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How to install Apache Maven on CentOS 7

Apache Maven is a free and open source project management and comprehension tool used primarily for Java projects. Maven uses a Project Object Model (POM) which is essentially a XML file containing information about the project, configuration details, the project’s dependencies, and so on.

In this tutorial we will show you two different ways to install Apache Maven on CentOS 7.

The official CentOS repositories contains Maven packages that can be installed with the yum package manager. This is the easiest way to install Maven on CentOS, however the version included in the repositories may lag behind the latest version of Maven.

To install the latest version of Maven follow the instructions provided in second part of this article where we will be downloading Maven from their official website.

Choose the installation method that is most appropriate for your setup and environment.

Prerequisites

The user you are logging in as must have sudo privileges to be able to install packages.

Installing Apache Maven on CentOS with Yum

Installing Maven on CentOS 7 using yum is a simple, straightforward process.

  1. Install Maven by typing the following command in your terminal:
  2. Verify the installation by typing the mvn -version command:

    The output should look something like this:

    Apache Maven 3.0.5 (Red Hat 3.0.5-17)
    Maven home: /usr/share/maven
    Java version: 1.8.0_191, vendor: Oracle Corporation
    Java home: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.191.b12-0.el7_5.x86_64/jre
    Default locale: en_US, platform encoding: UTF-8
    OS name: “linux”, version: “3.10.0-862.3.2.el7.x86_64”, arch: “amd64”, family: “unix”

That’s it. Maven is now installed on your CentOS system and you can start using it.

Install the Latest Release of Apache Maven

The following sections provide a step by step instructions about how to install the latest Apache Maven version on CentOS 7. We’ll be downloading the latest release of Apache Maven from their official website.

1. Install OpenJDK

Maven 3.3+ require JDK 1.7 or above to be installed. We’ll install OpenJDK, which is the default Java development and runtime in CentOS 7.

Install the OpenJDK package by typing:

Verify that Java was successfully installed by running the following command:

The output should look something like this:

openjdk version “1.8.0_191”
OpenJDK Runtime Environment (build 1.8.0_191-b12)
OpenJDK 64-Bit Server VM (build 25.191-b12, mixed mode)

2. Download Apache Maven

At the time of writing this article, the latest version of Apache Maven is 3.6.0. Before continuing with the next step you should check the Maven download page to see if a newer version is available.

Start by downloading the Apache Maven in the /tmp directory using the following wget command:

wget https://www-us.apache.org/dist/maven/maven-3/3.6.0/binaries/apache-maven-3.6.0-bin.tar.gz -P /tmp

When the download is completed, extract the archive in the /opt directory:

sudo tar xf /tmp/apache-maven-3.6.0.tar.gz -C /opt

To have more control over Maven versions and updates, we will create a symbolic link maven which will point to the Maven installation directory:

sudo ln -s /opt/apache-maven-3.6.0 /opt/maven

To upgrade your Maven installation, simply unpack the newer version and change the symlink to point to it.

3. Setup environment variables

Next, we’ll need to setup the environment variables. Open your text editor and create a new file named mavenenv.sh inside of the /etc/profile.d/ directory.

sudo nano /etc/profile.d/maven.sh

Paste the following lines:

/etc/profile.d/maven.sh

export JAVA_HOME=/usr/lib/jvm/jre-openjdk
export M2_HOME=/opt/maven
export MAVEN_HOME=/opt/maven
export PATH=$/bin:$

Save and close the file. This script will be sourced at shell startup.

Make the script executable by typing:

sudo chmod +x /etc/profile.d/maven.sh

Load the environment variables by typing:

source /etc/profile.d/maven.sh

4. Verify the installation

To verify that Maven is installed, use the mvn -version command which will print the Maven version:

You should see something like the following:

Apache Maven 3.6.0 (97c98ec64a1fdfee7767ce5ffb20918da4f719f3; 2018-10-24T18:41:47Z)
Maven home: /opt/maven
Java version: 1.8.0_191, vendor: Oracle Corporation, runtime: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.191.b12-0.el7_5.x86_64/jre
Default locale: en_US, platform encoding: UTF-8
OS name: “linux”, version: “3.10.0-862.3.2.el7.x86_64”, arch: “amd64”, family: “unix”

That’s it. The latest version of Maven is now installed on your CentOS system.

Conclusion

You have successfully installed Apache Maven on your CentOS 7. You can now visit the official Apache Maven Documentation page and learn how to get started with Maven.

If you hit a problem or have a feedback, leave a comment below.

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Stealth and hacking game ‘OFF GRID’ fully funded and heading to Linux

OFF GRID, a stealth and hacking game about privacy and mass surveillance managed to get funded on Kickstarter and so it’s coming to Linux.

Moments before your daughter was bundled away, she gave you a pair of smart glasses for your birthday.

An unidentified source gets in touch to help you install a new security-focused operating system, and gives you a few tools which will help you gain access to networks that might contain clues as to what is going on.

In the end, they managed to hit £25,252 which means they smashed through not just their initial goal but the first stretch goal too so the game will get an in-game social media app.

I personally funded this one, since they put out a Linux demo and the developer came and commented on our previous article. Some people get rightfully worried about developers promising Linux support and not delivering, to which the developer commented with:

Hah, we certainly won’t abandon Linux, I’ve used Ubuntu as my main OS since 2005 and do most of my gaming on it. So making sure our own project runs on it is high priority to us.

Was really good to see such a statement.

Looking forward to following this one along during development, has the makings of a very interesting game both in terms of the story and the gameplay.

Source

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Download Qubes OS 4.0 / 4.0.1 RC1

Qubes OS is an open source distribution of Linux built around the Xen hypervisor, the X Window System and Linux kernel open source technologies. It is based on Fedora Linux and designed from the ground up to provide users with strong security for desktop computing.

The distribution has been engineered to run almost all Linux applications and uses all of the drivers implemented in the Linux kernel to automatically detect and configure most hardware components (new and old).

Features at a glance

Key features include a secure bare-metal hypervisor powered by the Xen project, secure system boot, support for Windows-based and Linux-based AppVMs (Application Virtual Machines), as well as centralized updates for all AppVMs that are based on the same template.

In order to sandbox several core components and isolate certain applications from each other, Qubes OS uses virtualization technology. Therefore, the integrity of the rest of the system will not be compromised.

Distributed as Live DVD

It is distributed as a single Live DVD ISO image, supporting only the 64-bit (x86_64) hardware platform, which can be deployed to a USB flash drive or 4GB or bigger, as well as burned onto a DVD disc. From the boot menu, users can try or install the operating system.

The installation process is text-based and allows users to set a timezone, choose the installation source, select software packages to be installed, select the installation destination, set the root password, and create users.

Uses the KDE Plasma desktop environment

The default desktop environment is powered by the KDE Plasma Workspaces and Applications project, which comprises of a single taskbar located on the upper part of the screen, from where users can access the main menu, launch apps, and interact with running programs.

Bottom line

In conclusion, Qubes OS is a unique Fedora-based operating system that implements a “security by isolation” approach and uses lightweight virtual machines called AppVMs that are definable by users.

Source

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Welcome to The Hidden Wiki – ls /blog

If you did not know yet the Hidden Wiki is a list of well known Dark Net Sites that will get you started browsing on the other internet. To access the links on this page you will have to download TOR browser from here.

Once you do that, return to this page on TOR browser and click on the links. Simple. Enjoy!! Disclaimer, some of these sites offer a lot of horrible things so enter with caution.

Editor’s picks

Pick a random page from the article index and replace one of these slots with it:

  1. The Matrix – Very nice to read.
  2. How to Exit the Matrix – Learn how to Protect yourself and your rights, online and off.
  3. Verifying PGP signatures – A short and simple how-to guide.
  4. In Praise Of Hawala – Anonymous informal value transfer system.
  5. Terrific Strategies To Apply A Social media Marketing Approach – Great tips for the internet marketer.

Volunteer

Here are the six different things that you can help us out with:

  1. Plunder other hidden service lists for links and place them here!
  2. File the SnapBBSIndex links wherever they go.
  3. Set external links to HTTPS where available, good certificate, and same content.
  4. Care to start recording onionland’s history? Check out Onionland’s Museum.
  5. Perform Dead Services Duties.
  6. Remove CP shitness.

Introduction Points

  • Ahmia.fi – Clearnet search engine for Tor Hidden Services.
  • DuckDuckGo – A Hidden Service that searches the clearnet.
  • Torlinks – TorLinks is a moderated replacement for The Hidden Wiki.
  • Torch – Tor Search Engine. Claims to index around 1.1 Million pages.
  • The Hidden Wiki – A mirror of the Hidden Wiki. 2 days old users can edit the main page. [redirect]
  • Not Evil is a Tor search engine which only indexes hidden services on Tor.
  • Self-defense Surveillance Guide Tips, Tools and How-tos for Safer Online Communications (clearnet).

Financial Services

Currencies, banks, money markets, clearing houses, exchangers:

  • The Green Machine! Forum type marketplace with some of the oldest and most experienced vendors around. Get your paypals, CCs, etc
  • The Paypal Cent Paypal accounts with good balances – buy some, and fix your financial situation for awhile.
  • Premium Cards Oldest cc vendor, Top quality Us & Eu credit cards!
  • Financial Oasis A slew of products from a darker side of finance.
  • netAuth Automatic system to buy Paypal accounts and credit cards instantly in your e-mail. Socks5 included.
  • DreamWeavers Offering high quality prepaid products for a great deal
  • Hidden Wallet – Tor Anonymous Hidden Bitcoin Wallet
  • Paypal Baazar – paypal accounts for sale
  • Cash Machine – Phished PayPal, Neteller, Skrill, BoA, Wells fargo bank Accounts, Paysafecard’s, US & EU Credit cards are available here.
  • Queen Of Cards – Best Carding Forum Since 2011. Paysafecard’s Western Union, Moneygram, Amazon codes, Zelle, PayPal, Credit Cards.
  • Shadow Wallet – An Anonymous User Friendly Bitcoin Wallet/Mixer
  • Bitcards – The most trusted credit cards store in darknet with returning customers.
  • OnionWallet – Anonymous Bitcoin Wallet and Bitcoin Laundry.
  • Global Marketplace Verified Vendors – Western Union, Moneygram, PayPal, Zelle, Amazon, Wire Transfers, CreditCards, etc
  • KryptoPayPal – PayPal Cashout Service. Get the account balance back in Bitcoin.
  • Credit Cards – Credit Cards, from the most Trusted Vendor in the union.Fast shipping.
  • Your C.Card Shop – Physical credit cards with High balance available to order. Paypal or bitcoins as payment method.
  • USJUD Counterfeits – EUR || USD Western Union money, any trusted escrow accepted, the most trusted seller.
  • Clone CC Crew – No.1 Trusted onion site for Cloned Credit Card. $2000/$5000 balance available.
  • EasyCoin – Bitcoin Wallet with free Bitcoin Mixer.
  • Guttenbergs Print – Finest USD/EUR bills on market. Passes all known tests. Random serials. Only top-notch currency.
  • Black&White Cards – Black&White Cards – High Quality Pre-Paid Debit Cards with PIN. Good Customer Service. Best Deals
  • Queens Cash – Buy Pre-Shredded USD & EURO Currency for a fraction of the value. WE SELL REAL CASH
  • The Cards World – Get your Financial Freedom Today.
  • Zenith CC – Credit cards and money transfer cy
  • PP&CC Money Pile – Fully automated PayPal & Credit card market site. Fresh stock every 2 days. Best deals.
  • Skimmed Cards – Oldest seller on old HW. Fresh stock. 99.9% safe. Worldwide cashout! Express shipping. Escrow.

Commercial Services

  • CStore – The original CardedStore – Electronics purchased with carded giftcards, Everything Brand new. Full escrow accepted
  • Apple Palace low priced Apple Products!
  • Gold & Diamonds Genuine Gold, Diamonds and Rhino Horn shipped from Germany and USA.
  • Football Money – Fixed football games info.
  • HackingTeam – Hacking as a Service Team.
  • EuroGuns – Your #1 european arms dealer.
  • USfakeIDs – High quality USA Fake Drivers Licenses.
  • Guns Dark Market Guns market to buy guns, full auto assault rifles, pistols, grenade launchers, etc.
  • Counterfeiting Center A Store to buy passports, idcards, credit cards, offshore bank accounts, counterfeits money
  • Fake Passport ID sale – Website selling qualitative EU/US/AUS/CAN fake passports, ID cards and driver’s licenses.
  • Samsungstore Samsung tablets, smartphones, notebooks with escrow.
  • Kamagra for Bitcoin – Same as Viagra but cheaper!
  • Apples4Bitcoin – Cheap Apple products for Bitcoin.
  • Onion Identity Services – Selling Passports and ID-Cards for Bitcoins.
  • Bankors – Cloned/Prepaid Credit Cards and Money Transfers via PayPal or Western Union Service Since 2015
  • Helix Light – Bitcoins Mixer, Completely Anonymize Your Bitcoins Before You Purchase. Since 2011.
  • Apple World – Carded iPhones, iPads, Macbooks, iMacs and consoles shipping worldwide.
  • Amazon GC 4 Bitcoins – Bring Your dreams to life with these amazing Amazon gift cards half of the price.
  • Mobile Store – Factory unlocked iphones and other smartphones.
  • Cards – Credit cards with high balance.

Domain Services

  • OnionName – Choose your desired domain name prefix, and order the .onion domain, starting from 0.45 mBTC for 8 letters.

Anonymity & Security

  • Fake ID Generator – Fake Identity Name, SSN, Driver’s License, and Credit Card Numbers Generator
  • BrowsInfo – Check your anonymity and browser traceability

Blogs / Essays / Wikis

  • Tor Metrics – Welcome to Tor Metrics, the primary place to learn interesting facts about the Tor network, the largest deployed anonymity network to date. If something can be measured safely, you’ll find it here.
  • Deep Dot Web – News website about darknet, drug, and privacy related news.
  • Superkuh – Much information about spectrogram, wireless, and radio.
  • Beneath VT – Exploring Virginia Tech’s steam tunnels and beyond.
  • Tor Against CP! – Free and clean Tor – Tor users against CP!

Email / Messaging

See also: The compendium of clear net Email providers.

  • secMail.pro – Complete mail service that allows you to send and receive mails without violating your privacy.
  • Mail2Tor – Mail2Tor is a free anonymous e-mail service made to protect your privacy.
  • Elude.in – Elude.in is a privacy based email service and a Bitcoin/Monero exchange.
  • TorBox – This is a hidden mailbox service only accessible from TOR without connection with public internet.
  • BitMessage – Connects bitmessage and e-mail services. Registration only available using the clearweb link.
  • Protonmail – Swiss based e-mail service, encrypts e-mails locally on your browser. Free and paid accounts.
  • TorGuerrillaMail – Disposable Temporary E-Mail Address.
  • Chat with strangers Talk to random users anonymously.
  • CTemplar – First ever high end fully encrypted tor email service
  • Connect – Connect is a collective that recognizes and promotes anticapitalism, antiracism, antifascism, antisexism, antimililtarism, and anti-what-the-fuck-ever and the refusal of authoritarianism and hierarchies.
  • Galaxy3 – Galaxy3 is a new, Social Networking experience for the darknet!
  • Torbook 2.0 – The Facebook of Tor. Share your memories, connect with others and make friends.
  • Facebook – The real Facebook’s Onion domain. Claim not to keep logs. Trust them at your peril.

Forums / Boards / Chans

  • The Stock Insiders – How to Beat Wall Street. The community for exchanging Insider Information about Publicly Traded Companies.
  • The Intel Exchange – Know or need to know something? Ask and share at this underground intelligence gathering network.
  • DNM Avengers – Darknet drug forum with reviews and marketplace discussion.
  • OnionLand – Discussion forum about all the Darkweb markets related topics.
  • Hidden Answers – A site for asking questions and receiving answers on Tor.

Whistleblowing

  • WikiLeaks DeepWeb mirror of the famous Wikileaks website
  • SecureDrop – The open-source whistleblower submission system managed by Freedom of the Press Foundation.
  • Active at Darknet Markets? – Onion set up by the Police and the Judicial Authorities of the Netherlands, listing Active, identified, and arrested Darknet Market operators.
  • Cryptome – Archive Government Leaks. Documents for publication that are prohibited by governments worldwide, in particular material on freedom of expression, privacy, cryptology, dual-use technologies, national security, intelligence, and secret governance — open, secret and classified documents — but not limited to those
  • SecureDrop – An open-source whistleblower submission system that media organizations can use to securely accept documents from and communicate with anonymous sources.

H/P/A/W/V/C

Hack, Phreak, Anarchy (internet), Warez, Virus, Crack

  • HeLL Forum – HeLL Reloaded is back!
  • RelateList – New era of intelligence.
  • CODE: GREEN – Ethical hacktivism for a better world. Join us and participate in modern world protests!
  • Hack Canada – America is a joke and Canada is the punchline. Old-ish hacking site, hosts a few archives.
  • Hacker Place – Site with several books and resources on software development, pentesting and hacking.
  • WE fight censorship – a Reporters Without Borders project that aims to combat censorship and promote the flow of news and information.

Audio – Music / Streams

Video – Movies / TV

Books

Uncategorized

Services that defy categorization, or that have not yet been sorted.

  • IIT Underground – Information on and photos of the steam tunnels and roofs at the Illinois Institute of Technology

Non-English

Belarussian / Белорусский

Finnish / Suomi

French / Français

German / Deutsch

  • konkret – das linke Magazin: Archiv.
  • MadIRC – Deutscher IRC-Channel.

Greek / ελληνικά

Italian / Italiano

Japanese / 日本語

Korean / 한국어

Chinese / 中国語

Polish / Polski

Russian / Русский

  • Зеркало библиотеки Траума – Бесплатная библиотека. Обложки, поиск и возможность скачивать в форматах FB2, HTML и TXT.
  • РосПравосудие – крупнейшая картотека юристов, адвокатов, судей и судебных решений (50+ миллионов документов, 35+ тысяч судей, 65+ тысяч адвокатов, сотни тысяч юристов, прокуроры). «РосПравосудие» – аполитичный и независимый проект.
  • China Market – китайский маркет. Всегда свежие поставки из Китая: каннабиноиды, MDMA кристаллы, экстази, LSD. Доставка без пересечения границы, есть представители в России, Украине и Казахстане. Автоматическое оформление, оплата и получение заказа. Методы оплаты: Bitcoin, Qiwi, Приват24, наличкой через терминалы.
  • Скрытые Ответы Russian Hidden Answers.
  • Rutor – главный форум черного рынка.
  • Схоронил! Архив magnet-ссылок.
  • Флибуста – Библиотека.

Spanish / Español

Portuguese / Português

Swedish / Svenska

Volunteers last verified that all services in this section were up, or marked as DOWN, on: 2011-06-08 For configuration and service/uptime testing, all services in this section MUST list the active port in their address. Exception: HTTP on 80, HTTPS on 443. For help with configuration, see the TorifyHOWTO and End-to-end connectivity issues.

Running P2P protocols within Tor requires OnionCat. Therefore, see the OnionCat section for those P2P services. IMPORTANT: It is possible to use Tor for P2P. However, if you do, the right thing must also be done by giving back the bandwidth used. Otherwise, if this is not done, Tor will be crushed taking everyone along with it.

Chat centric services

Some people and their usual server hangouts may be found in the Contact Directory.

IRC

Use e.g. ChatZilla add-on for the IRC protocol (the Tor Project does not suggest installing browser addons unless you understand the risks), or a standalone client such as HexChat. Tails comes with Pidgin, which will work for IRC as well.

plaintext ports: 6667

plaintext ports: 6667; ssl: 6697

plaintext ports: 6667

running on lechuck.hackint.org; ssl ports: 9999; no plaintext ports

ssl ports: 6697; no plaintext ports

plaintext ports: 6667; ssl: 6697

plaintext ports: 6667; ssl: 9999

  • Nazgul – free for all IRC network

plaintext ports: nazgul3zxuzvrgg6.onion:6667
ssl ports: irc.nazgul.io:6697 __undefined__ (SSL)

  • OnionIRC – New, censorship-free IRC server.

plaintext ports: 6668

plaintext ports: 6667; SSL ports: 6697

  • Smokey’s Grill – General chat IRC. Doesn’t allow plotting the abuse of other people. __undefined__

plaintext ports: 6667

  • Anonimowy IRC – Anonimowy IRC (Polish anonymous IRC server) __undefined__

plaintext ports: 6667; ssl:6697

running on kropotkin.computersforpeace.net; ssl ports: 6697; no plaintext ports

  • OFTC IRC – OFTC – unofficial hidden service for OFTC __undefined__

running on: (various).oftc.net, ports:: plaintext: 6667 ssl: 6697

plaintext ports: 6667; ssl: 6697

All of these direct to zelazny.freenode.net and allow plaintext port 6667 as well as SSL ports 6697, 7000, and 7070.
BUNDLE LFS216 & LFS201 – SYSADMIN SECURITY BUNDLE FOR ONLY $398!

SILC

  • fxb4654tpptq255w.onion:706 – SILCroad, public server. [discuss/support]
  • <protect>Silkroad 2.0 – The new silkroad. Biggest marketplace for drugs on the Darknet. (Bitcoin)</protect>
  • kissonmbczqxgebw.onion:10000 – KISS.onion – Keep It Simple and Safe – ditch the web browser, use SILC to communicate securely (using Pidgin with OTR)

XMPP (formerly Jabber)

TorChat Addresses

Humans are listed in the above contact directory. Bots are listed below.

  • 7oj5u53estwg2pvu.onion:11009 – TorChat InfoServ #2nd, by ACS.
  • gfxvz7ff3bzrtmu4.onion:11009 – TorChat InfoServ #1st, by ACS…

These SFTP clients work with Tor: WinScp, FileZilla. Set proxy to SOCKS5, host 127.0.0.1, port 9150 (Windows,Mac) or 9050 (Linux). Encrypt your sensitive files using GnuPG before uploading them to any server.

  • kissonmbczqxgebw.onion:10001 – KISS.onion – SFTP file exchange service (username “sftp.anon”, password “anon”)

OnionCat Addresses

List of only the Tor-backed fd87:d87e:eb43::/48 address space, sorted by onion. There are instructions for using OnionCat, Gnutella, BitTorrent Client, and BitTorrent Tracker.

  • 62bwjldt7fq2zgqa.onion:8060
    • fd87:d87e:eb43:f683:64ac:73f9:61ac:9a00 – ICMPv6 Echo Reply
  • a5ccbdkubbr2jlcp.onion:8060 – mail.onion.aio
    • fd87:d87e:eb43:0744:208d:5408:63a4:ac4f – ICMPv6 Echo Reply
  • ce2irrcozpei33e6.onion:8060 – bank-killah
    • fd87:d87e:eb43:1134:88c4:4ecb:c88d:ec9e – ICMPv6 Echo Reply
    • [fd87:d87e:eb43:1134:88c4:4ecb:c88d:ec9e]:8333 – Bitcoin Seed Node
  • taswebqlseworuhc.onion:8060 – TasWeb – DOWN 2011-09-08
  • vso3r6cmjoomhhgg.onion:8060 – echelon
    • fd87:d87e:eb43:ac9d:b8f8:4c4b:9cc3:9cc6 – ICMPv6 Echo Reply

Bitcoin Seeding

Instructions

  • xqzfakpeuvrobvpj.onion:8333
  • z6ouhybzcv4zg7q3.onion:8333

Do not simply remove services that appear to be offline from the above list! Services can go down temporarily, so we keep track of when they do and maintain a list of dead hidden services.

  • In addition to an onion simply being gone (Tor cannot resolve the onion), sites that display 404 (and use a known onion/URL based hosting service) are the only other thing that is considered truly DOWN. Presumably the account is gone.
  1. If a service has been down for a while, tag it with ‘ – DOWN YYYY-MM-DD’ (your guess as to when it went down).
  2. If a tagged service on the above list of live hidden services has come back up, remove the DOWN tag.
  3. If a tagged service is still down after a month, please move it (along with the DOWN tag) to the list of dead hidden services.
  • The general idea of the remaining four service states below is that, if the Hidden Service Descriptor is available, and something is responding behind it… the service is considered up, and we track that fact on the Main Page. If any of these subsequently go offline, append the DOWN tag and handle as above.
  1. Hello world’s / statements, minimal sites, services with low user activity, etc (while boring)… are listed as usual.
  2. Broken services are those that display 404 (and do not use a known hosting service), PHP or other errors (or they fail silently)… any of which prevent the use of the service as intended. They also include blank pages, empty dirs and neglected status notes. Presumably the operator is in limbo. Broken services are tagged with ‘ (reason) – Broken YYYY-MM-DD’ (your guess as to when it went broken)
  3. Services that automatically redirect to another service (such as by HTTP protocol or script), have their redirection destinations noted in their descriptions. These are tagged with ‘ – Redir YYYY-MM-DD’ (your guess as to when it went redir)
  4. Sites that are formally closed via announcement are tagged with ‘ – Closed YYYY-MM-DD’ (your guess as to when it went closed.
  • Is Online that HiddenService? This service is very useful in determining whether onions are up or not. It also gives a reason why they are down.

Sites on this list that have no chance of coming back (LE takedowns, dead for some time) should be archived to page dead services just in case they should ever be needed.

  • CYRUSERV – Hosting service with an emphasis on security, with many features. (clearnet) [Discontinued 2016]]
  • Image Hosting – Free images hosting site, anything goes. [Down 2015/11]
  • Free imageboard – apply here for free board on this forum, with basic janitor priveleges. [Down 2015/11]
  • Teddit – A Reddit clone. [Shutdown by owner 2016]
  • Onionweb filehosting – Filehosting service. 100MB upload limit, no illegal files allowed.

Source

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Now is the time. Linux is the Direction – ls /blog


l1

l2

l3.PNG

l4.PNG

l5

l6

Your future matters to us @ LSB, so get into Linux and see the new world it will open for you.

Created by QuBits 2018-11-11

Post navigation

This site is primarily made possible by advertisements. Unfortunately it’s increasingly difficult to operate this site with free reader access due to the increasing use of ad-blockers. The recent rollout of GDPR has also been detrimental to the advertising space. We ask you kindly to not use any ad-blocker on this site.

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Bash jq command | Linux Hint

JSON data are used for various purposes. But JSON data can’t be read easily from JSON file by using bash script like other normal files.

jq

tool is used to solve this problem.

jq

command works like

sed

and

awk

command, and it uses a domain specific language for working with JSON data.

jq

is not a built-in command. So, you have to install this command for using it. How you can install and apply

jq

command for reading or manipulating JSON data is shown in this tutorial.

Run the following command to install jq on Ubuntu.

$ sudo apt-get install jq

Reading JSON data

Suppose, you have declared a JSON variable named JsonData in the terminal and run jq command with that variable to print the content of that variable.

$ JsonData='[{“Book”:”PHP 7″}, {“Publication”:”Apress”},
{“Book”:”React 16 Essentials”},{“Publication”:”Packt”} ]’
$ echo “$” | jq ‘.’

Reading JSON data with –c option

-c option uses with jq command to print each JSON object in each line. After running the following command, each object of JsonData variable will be printed.

$ echo “$” | jq -c ‘.[]’

Reading a JSON file

jq command can be used for reading JSON file also. Create a JSON file named Students.json with the following content to test the next commands of this tutorial.

Students.json

[

{“roll”: 3,

“name”

:

“Micheal”,
“batch”

:

29,
“department”

:

“CSE”

},{“roll”: 55,

“name”

:

“Lisa”,
“batch”

:

34,
“department”

:

“BBA”

},{“roll”: 12,

“name”

:

“John”,
“batch”

:

22,
“department”

:

“English”

}]

Run the following command to read Students.json file.

Reading JSON file with ‘|’

You can use ‘|’ symbol in the following way to read any JSON file.

$ cat Students.json | jq ‘.’

Reading single key values

You can easily read any particular object from a JSON file by using jq command. In Students.json, there are four objects. These are roll, name, batch, and department. If you want to read the value of department key only from each record then run jq command in the following way.

$ jq ‘.[] | .department’ Students.json

Reading multiple keys

If you want to read two or more object values from JSON data then mention the object names by separating comma (,) in the jq command. The following command will retrieve the values of name and department keys.

$ jq ‘.[] | .name, .department’ Students.json

Remove key from JSON data

jq command is used not only for reading JSON data but also to display data by removing the particular key. The following command will print all key values of Students.json file by excluding batch key. map and del function are used in jq command to do the task.

$ jq ‘map(del(.batch))’ Students.json

Mapping Values

Without deleting the key from JSON data, you can use map function with jq command for various purposes. Numeric values of JSON data can be increased or decreased by map function. Create a JSON file named Number.json with the following content to test the next commands.

Run the following command to add 10 with each object value of Numbers,json.

$ jq ‘map(.+10)’ Numbers.json

Run the following command to subtract 10 from each object value of Numbers,json.

$ jq ‘map(.-10)’ Numbers.json

Searching values by index and length

You can read objects from JSON file by specifying the particular index and length. Create a JSON file named colors.json with the following data.

[“Red”,”Green”,”Blue”,”Yellow”,”Purple”]

Run the following command to read two values starting from the third index of colors.json file.

$ jq ‘.[2:4]’ colors.json

You can specify the length or starting index to read data from JSON file. In the following example, the number of data value is given only. In this case, the command will read four data from the first index of colors.json.

You can specify the starting point only without any length value in jq command and the value can be positive or negative. If the starting point is positive then the index will count from the left side of the list and starting from zero. If the starting point is negative then the index will count from the right side of the list and starting from one. In the following example, the starting point is -3. So, the last three values from the data will display.

$ jq ‘.[-3:]’ colors.json

When you will work with JSON data and want to parse or manipulate data according to your requirements then jq command will help you to make your task easier.

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How to Install MariaDB on Ubuntu 16.04

How to install MariaDB on Ubuntu 16.04

How to install MariaDB on Ubuntu 16.04

installing mariadb on ubuntu 16.04MariaDB is a community-developed fork of MySQL. It is a free and open source, very fast, stable and scalable database server, which makes it one of the most used database servers in the world. It is an improved, drop-in replacement for popular MySQL Database Server. In this tutorial, we will show you how to install MariaDB on Ubuntu 16.04. Installing MariaDB on Ubuntu 16.04 is an easy task, and if you carefully follow the steps of this tutorial, you should have it installed on your system in less than 10 minutes. Let’s get started.

1. Connect to your server

First, you will need to login to your server via SSH as user root:

ssh root@IP_ADDRESS -p PORT_NUMBER

and replace “IP_ADDRESS” and “PORT_NUMBER” with your actual server IP address and SSH port number.

2. Update your system

Before we start, let’s make sure your system is up-to-date by running the following commands:

apt-get update
apt-get upgrade

3. Install MariaDB on Ubuntu 16.04

Before we start with the MariaDB Server installation, you will need to add the official MariaDB repository.

First, install the software-properties-common package to your server with the following command:

apt-get install software-properties-common

Next, import the MariaDB GnuPG signing key to your system, by executing the following command:

apt-key adv –recv-keys –keyserver hkp://keyserver.ubuntu.com:80 0xF1656F24C74CD1D8

And finally, add the MariaDB repository with:

add-apt-repository ‘deb [arch=amd64,arm64,i386,ppc64el] http://mirror.nodesdirect.com/mariadb/repo/10.3/ubuntu xenial main’

To be able to initiate the MariaDB installation from the newly added repository, you will now need to update the package list with:

apt-get update

You can now install MariaDB on your server with:

apt-get install mariadb-server

Once the installation is complete, the MariaDB service will be started automatically. To verify if the service is running on your system, you can run the following command:

systemctl status mariadb

You should see the following output on your screen:

● mariadb.service – MariaDB 10.3.10 database server
Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
Drop-In: /etc/systemd/system/mariadb.service.d
└─migrated-from-my.cnf-settings.conf
Active: active (running) since Sat 2018-10-27 13:37:11 CDT; 1h 3min ago
Docs: man:mysqld(8)
https://mariadb.com/kb/en/library/systemd/
Main PID: 15152 (mysqld)
Status: “Taking your SQL requests now…”
CGroup: /system.slice/mariadb.service
└─15152 /usr/sbin/mysqld

And to check the MariaDB version you can type:

mysql -V
mysql Ver 15.1 Distrib 10.3.10-MariaDB, for debian-linux-gnu (x86_64) using readline 5.2

4. Securing your MariaDB installation

After the installation is complete, you can improve the security of your MariaDB server, by running the mysql_secure_installation script, using the following command:

mysql_secure_installation

You will be asked to enter your current password for the MariaDB root user. If you did not set any password during the installation, you can just leave it blank and press Enter:

In order to log into MariaDB to secure it, we’ll need the current
password for the root user. If you’ve just installed MariaDB, and
you haven’t set the root password yet, the password will be blank,
so you should just press enter here.

Enter current password for root (enter for none):

You can then choose to change your root password or leave it as it is.

Setting the root password ensures that nobody can log into the MariaDB
root user without the proper authorisation.

You already have a root password set, so you can safely answer ‘n’.

Change the root password? [Y/n]

After this, you will get asked a couple of more questions and it is recommended that you answer ‘yes’ to all of them:

Remove anonymous users? [Y/n]

Disallow root login remotely? [Y/n]

Remove test database and access to it? [Y/n]

Reload privilege tables now? [Y/n]

Once you complete all the steps, the following output will be displayed on your screen:

All done! If you’ve completed all of the above steps, your MariaDB
installation should now be secure.

Thanks for using MariaDB!

5. Connect to MariaDB

Now after you are done with installing and securing MariaDB, you can type the following command to connect to your MariaDB server:

mysql -u root -p

You will be asked for your MariaDB root password that has been set during the installation or during the mysql_secure_installation script.

This will grant you access to the MariaDB shell:

Welcome to the MariaDB monitor. Commands end with ; or g.
Your MariaDB connection id is 21
Server version: 10.3.10-MariaDB-1:10.3.10+maria~xenial-log mariadb.org binary distribution

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type ‘help;’ or ‘h’ for help. Type ‘c’ to clear the current input statement.

MariaDB [(none)]>

install mariadb on ubuntu 16.04Of course, you don’t have to install MariaDB on Ubuntu 16.04, if you use one of our MariaDB Hosting services, in which case you can simply ask our expert Linux admins to install and configure MariaDB for you. They are available 24×7 and will take care of your request immediately.

PS. If you liked this post on how to install MariaDB on Ubuntu 16.04, please share it with your friends on the social networks using the buttons below or simply leave a reply. Thanks.

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Linux Today – FFmpeg 4.1 “al-Khwarizmi” Open-Source Multimedia Framework Officially Released

Nov 09, 2018, 15:00

Dubbed “al-Khwarizmi”, the FFMpeg 4.1 release comes six months after the April 2018 debut of the FFmpeg 4.0 “Wu” series. It’s a major update that adds lots of new filters, decoders and encoders of all kinds, as well as some exciting new features and enhancements to make FFmpeg the best free multimedia backend on the market. Highlights of the FFmpeg 4.1 “al-Khwarizmi” release include support for the highly efficient AV1 codec in the MP4 container, an AV1 parser for parsing AV1 encoded streams, Transport Layer Security (TLS)-based mbedTLS support, a SER demuxer, as well as a libtensorflow backend for DNN-based filters like srcnn.

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Apple’s new bootloader won’t let you install GNU/Linux

Locking bootloaders with trusted computing is an important step towards protecting users from some of the most devastating malware attacks: by allowing the user to verify their computing environment, trusted computing can prevent compromises to operating systems and other low-level parts of their computer’s operating environment.

But as with every security measure, there’s a difference between “secure for the user” and “secure against the user.” Bootloader protection that doesn’t allow an owner to decide which signatures they trust is security against the user: security that prevents the user from overriding the manufacturer, and so allows the manufacturer to lock the user in.

Apple’s latest bootloader protection, the controversial T2 chip, is a good example of this. The chip comes with a user-inaccessible root of trust that allows for the installation of Apple and Microsoft operating systems, but not GNU/Linux and other open and free alternatives.

There’s no reason it has to be this way: Google’s flagship Pixel Chromebooks come with hardware switches that can be activated during the bootup to allow their owners to change which signatures the system trusts (users can initialize these systems with passwords that prevent others from covertly altering the trusted root later). This gives users the best of both worlds: a system that, by default, protects them from malware, and, with should the user choose, allows them to nominate parties other than Google to decide whom they trust.

To make things worse, publishing tools to allow for bootloader overrides is legally risky under section 1201 of the DMCA, which provides for 5 year prison sentences and $500,000 fines (for a first offense) for anyone who trafficks in tools to override access controls for copyrighted works.

Apple’s T2 documentation makes it clear and explicitly mentions Linux:

NOTE: There is currently no trust provided for the the Microsoft Corporation UEFI CA 2011, which would allow verification of code signed by Microsoft partners. This UEFI CA is commonly used to verify the authenticity of bootloaders for other operating systems such as Linux variants.

In other words, until Apple decides to add this certificate or the T2 chip otherwise is cracked so it could be fully disabled or allowed to load arbitrary keys, good luck even being able to boot Linux distributions on the new Apple hardware.

Gorgeous, illustrated Japanese fireworks catalogs from the early 1900s

The Yokohama Board of Education has posted scans of six fantastic catalogs from Hirayama Fireworks and Yokoi Fireworks, dating from the early 1900s. The illustrated catalogs are superb, with minimal words: just beautiful colored drawings depicting the burst-pattern from each rocket.

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Evolutionary Space Invaders: shoot the aliens as a genetic algorithm modifies them

InvaderZ is a Space Invaders variant that incorporates a genetic algorithm that mutates the invaders as you shoot at them, with survival for a fitness function: the longer an invader lasts before being blasted out of the sky, the more its behaviors are carried over into the next wave (here’s a playable live version). (via […]

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Analyst: Apple’s poor earnings will recover now they’ve switched from innovating to rent-seeking

Apple just had a really poor Q3 earnings report, with hardware sales falling off as people figure out that they just don’t need to get a new phone every year or so; writing in Bloomberg, Leonid Bershidsky tries to soothe investors by pointing out that Apple is still seeing growth in “services” and that there’s […]

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Write with a pen, save your notes online with this futuristic notebook

Note-taking just caught up to the digital age. For most of us, writing freehand is quicker and more convenient than pecking away on a tablet, but what to do when you need those scribbles on file? Grab a Rocketbook Everlast Reusable Notebook, which seamlessly fuses analog and digital notes. Just jot down your thoughts, journals […]

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Easily create professional-grade 2D animation from any image

Remember the cartoons of your youth? There’s a good reason. Nothing sparks the imagination like well-done animation. And whether you need a logo in motion or just want to bring your own imagination to life, CrazyTalk Animator 3 Pro is the tool that can take you there. Easy enough for casual users but with all […]

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Subscribe to Scribd for unlimited access to books, articles and more

For readers, Scribd has long been a fount of content, and it’s only growing. With 40 million titles to choose from, this service has plenty to offer to its more than 750,000 subscribers. Whether you’re into audiobooks, novels, nonfiction or magazines, Scribd is the only subscription service with access to titles from all “Big 5” global […]

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