{"id":11545,"date":"2019-03-14T11:57:42","date_gmt":"2019-03-14T11:57:42","guid":{"rendered":"http:\/\/www.appservgrid.com\/paw92\/?p=11545"},"modified":"2019-03-14T11:57:42","modified_gmt":"2019-03-14T11:57:42","slug":"cockpit-a-powerful-tool-to-monitor-and-administer-multiple-linux-servers-using-a-web-browser","status":"publish","type":"post","link":"https:\/\/www.appservgrid.com\/paw92\/index.php\/2019\/03\/14\/cockpit-a-powerful-tool-to-monitor-and-administer-multiple-linux-servers-using-a-web-browser\/","title":{"rendered":"Cockpit \u2013 A Powerful Tool to Monitor and Administer Multiple Linux Servers Using a Web Browser"},"content":{"rendered":"

Cockpit<\/strong>\u00a0is an easy-to-use, lightweight and simple yet powerful remote manager for GNU\/Linux servers, it\u2019s an interactive server administration user interface that offers a live Linux session via a web browser.<\/p>\n

It can run on several Linux distributions including\u00a0Debian<\/strong>,\u00a0Ubuntu<\/strong>,\u00a0Fedora<\/strong>,\u00a0CentOS<\/strong>,\u00a0RHEL<\/strong>,\u00a0Arch Linux<\/strong>\u00a0among others.<\/p>\n

Cockpit<\/strong>\u00a0makes Linux discoverable thereby enabling system administrators to easily and reliably carry out tasks such as starting containers, managing storage, network configurations, log inspections coupled with several others.<\/p>\n

Suggested Read:<\/b>\u00a020 Command Line Tools to Monitor Linux Performance<\/a><\/p>\n

While using it, users can easily switch between the\u00a0Linux terminal and web browser<\/a>\u00a0without any hustles. Importantly, when a user starts a service via Cockpit, it can be stopped via the terminal, and just in case of an error that occurs in the terminal, it is shown in the Cockpit journal interface.<\/p>\n

Features of Cockpit:<\/h4>\n
    \n
  1. Enables managing of multiple servers in one Cockpit session.<\/li>\n
  2. Offers a web-based shell in a terminal window.<\/li>\n
  3. Containers can be managed via\u00a0Docker<\/a>.<\/li>\n
  4. Supports efficient\u00a0management of system user accounts<\/a>.<\/li>\n
  5. Collects system performance information using Performance Co-Pilot framework and displays it in a graph.<\/li>\n
  6. Supports gathering of system configuration and diagnostic information using sos-report.<\/li>\n
  7. Also supports Kubernetes cluster or an Openshift v3 cluster.<\/li>\n
  8. Allows modification of network settings and many more.<\/li>\n<\/ol>\n

    How to Install Cockpit in Linux Systems<\/h3>\n

    You can install\u00a0Cockpit<\/strong>\u00a0in all Linux distributions from their default official repositories as shown:<\/p>\n

    Install Cockpit on Fedora and CentOS<\/h4>\n

    To install and enable\u00a0Cockpit<\/strong>\u00a0on Fedora distributions, use the following commands.<\/p>\n

    # yum install cockpit\r\n# systemctl enable --now cockpit.socket\r\n# firewall-cmd --add-service=cockpit\r\n# firewall-cmd --add-service=cockpit --permanent\r\n<\/pre>\n
    Install Cockpit on RHEL<\/h4>\n
    Cockpit is added to the Red Hat Enterprise Linux Extras repository from versions\u00a07.1<\/strong>\u00a0and later:<\/p>\n
    # subscription-manager repos --enable rhel-7-server-extras-rpms\r\n# systemctl enable --now cockpit.socket\r\n# firewall-cmd --add-service=cockpit\r\n# firewall-cmd --add-service=cockpit --permanent\r\n<\/pre>\n
    Install Cockpit on Debian<\/h4>\n
    Cockpit is not included in Debian official repositories, but you install it using following repository that contains weekly builds specially for Debian unstable:<\/p>\n
    First add the following repository to\u00a0\/etc\/apt\/sources.list<\/code>\u00a0file.<\/p>\n
    deb https:\/\/fedorapeople.org\/groups\/cockpit\/debian unstable main\r\n<\/pre>\n
    Next, import Cockpit\u2019s signing key and then run the following series of commands to install it.<\/p>\n
    $ sudo apt-key adv --keyserver sks-keyservers.net --recv-keys F1BAA57C\r\n$ sudo apt-get update\r\n$ sudo apt-get install cockpit\r\n$ sudo systemctl enable --now cockpit.socket\r\n<\/pre>\n
    Install Cockpit on Ubuntu and Linux Mint<\/h4>\n
    In Ubuntu and Linux Mint distributions, Cockpit is not included, but you can install it from official\u00a0Cockpit PPA<\/strong>\u00a0by executing the following commands:<\/p>\n
    $ sudo add-apt-repository ppa:cockpit-project\/cockpit\r\n$ sudo apt-get update\r\n$ sudo apt-get install cockpit\r\n$ sudo systemctl enable --now cockpit.socket\r\n<\/pre>\n
    Install Cockpit on Arch Linux<\/h4>\n
    Arch Linux users can install Cockpit from the\u00a0Arch User Repository<\/strong>\u00a0using following command.<\/p>\n
    # yaourt cockpit\r\n# systemctl start cockpit\r\n# systemctl enable cockpit.socket\r\n<\/pre>\n
    How to Use Cockpit in Linux<\/h3>\n
    After Cockpit installed successfully, you can access it using a web browser at the following locations.<\/p>\n
    https:\/\/ip-address:9090\r\nOR\r\nhttps:\/\/server.domain.com:9090\r\n<\/pre>\n
    Enter system username and password to login in the interface below:<\/p>\n
    \n
    \"Cockpit<\/a><\/p>\n
    Cockpit Web Interface<\/p>\n<\/div>\n
    After logging in, you will be presented with a summary of your system information and performance graphs for\u00a0CPU<\/strong>,\u00a0Memory<\/strong>,\u00a0Disk I\/O<\/strong>, and\u00a0Network<\/strong>\u00a0traffic as seen in the next image:<\/p>\n
    \n
    \"Linux<\/a><\/p>\n
    Linux System Performance Summary<\/p>\n<\/div>\n
    Next on the dashboard menu, is\u00a0Services<\/strong>. Here you can view\u00a0Targets<\/strong>,\u00a0System Services<\/strong>,\u00a0Sockets<\/strong>,\u00a0Timers<\/strong>\u00a0and\u00a0Paths<\/strong>\u00a0pages.<\/p>\n
    The interface below shows running services on your system.<\/p>\n
    \n
    \"Showing<\/a><\/p>\n
    Showing Current Running Services on Linux<\/p>\n<\/div>\n
    You can click on a single service to manage it. Simply click on the drop down menus to get the functionality you want.<\/p>\n
    \n
    \"View<\/a><\/p>\n
    View Linux Service Summary<\/p>\n<\/div>\n
    The\u00a0Logs<\/strong>\u00a0menu item displays the logs page which allows for logs inspection. The logs are categorized into\u00a0Errors<\/strong>,\u00a0Warnings<\/strong>,\u00a0Notices<\/strong>\u00a0and\u00a0All<\/strong>\u00a0as in the image below.<\/p>\n
    Additionally you can as well view logs based on time such as logs for the last 24HRs or 7 days.<\/p>\n
    Suggested Read:<\/b>\u00a04 Best Log Monitoring and Management Tools for Linux<\/a><\/p>\n
    To inspect a single log entry, simply click on it.<\/p>\n
    \n
    \"Linux<\/a><\/p>\n
    Linux Logs Monitoring<\/p>\n<\/div>\n
    Cockpit also\u00a0enables you to manage user accounts<\/a>\u00a0on the system, go to\u00a0Tools<\/strong>\u00a0and click on\u00a0Accounts<\/strong>. Clicking on a user account allows you to view the users account details.<\/p>\n
    \n
    \"Manage<\/a><\/p>\n
    Manage Linux User Accounts<\/p>\n<\/div>\n
    To add a system user, click on \u201cCreate New Account<\/strong>\u201d button and enter the necessary user information in the interface below.<\/p>\n
    \n
    \"Create<\/a><\/p>\n
    Create User Account in Linux<\/p>\n<\/div>\n
    To get a terminal window, go to\u00a0Tools<\/strong>\u00a0\u2192<\/strong>\u00a0Terminal<\/strong>.<\/p>\n
    \n
    \"Cockpit<\/a><\/p>\n
    Cockpit \u2013 Linux Web Terminal<\/p>\n<\/div>\n
    How to Add Linux Server to Cockpit<\/h3>\n
    Important<\/strong>: Be aware that you must install Cockpit on all remote Linux servers in order to monitor them on Cockpit dashboard. So, please install it before adding any new server to Cockpit..<\/p>\n
    To add another server, click on\u00a0dashboard<\/strong>, you will see the screen below. Click on the\u00a0(+)<\/code>\u00a0sign and enter the server IP address. Remember that information for each server you add is displayed in Cockpit using a distinct color.<\/p>\n
    \n
    \"Add<\/a><\/p>\n
    Add Linux Server to Cockpit<\/p>\n<\/div>\n
    \n
    \"Cockpit<\/a><\/p>\n
    Cockpit \u2013 Remote Linux Server Monitoring<\/p>\n<\/div>\n
    Same way, you can add many Linux servers under Cockpit and manage it efficiently without any trouble..<\/p>\n
    That is it for now, however, you can explore more in case you have installed this simple and wonderful server remote manager.<\/p>\n
    Cockpit Official Documentation<\/strong>:\u00a0http:\/\/cockpit-project.org\/guide\/latest\/<\/a><\/p>\n
    For any questions or suggestions as well as feedback on the topic, do not hesitate to use the comment section below to get back to us.<\/p>\n
    Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
    Cockpit\u00a0is an easy-to-use, lightweight and simple yet powerful remote manager for GNU\/Linux servers, it\u2019s an interactive server administration user interface that offers a live Linux session via a web browser. It can run on several Linux distributions including\u00a0Debian,\u00a0Ubuntu,\u00a0Fedora,\u00a0CentOS,\u00a0RHEL,\u00a0Arch Linux\u00a0among others. Cockpit\u00a0makes Linux discoverable thereby enabling system administrators to easily and reliably carry out tasks such … <\/p>\n
    Continue reading “Cockpit \u2013 A Powerful Tool to Monitor and Administer Multiple Linux Servers Using a Web Browser”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11545","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.appservgrid.com\/paw92\/index.php\/wp-json\/wp\/v2\/posts\/11545","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appservgrid.com\/paw92\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appservgrid.com\/paw92\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appservgrid.com\/paw92\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appservgrid.com\/paw92\/index.php\/wp-json\/wp\/v2\/comments?post=11545"}],"version-history":[{"count":1,"href":"https:\/\/www.appservgrid.com\/paw92\/index.php\/wp-json\/wp\/v2\/posts\/11545\/revisions"}],"predecessor-version":[{"id":11546,"href":"https:\/\/www.appservgrid.com\/paw92\/index.php\/wp-json\/wp\/v2\/posts\/11545\/revisions\/11546"}],"wp:attachment":[{"href":"https:\/\/www.appservgrid.com\/paw92\/index.php\/wp-json\/wp\/v2\/media?parent=11545"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appservgrid.com\/paw92\/index.php\/wp-json\/wp\/v2\/categories?post=11545"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appservgrid.com\/paw92\/index.php\/wp-json\/wp\/v2\/tags?post=11545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}