You need to use lsmod program which show the status of loaded modules in the Linux Kernel. Linux kernel use a term modules for all hardware device drivers.Please note that lsmod is a trivial program which nicely formats the contents of the /proc/modules, showing what kernel modules are currently loaded.
Module Commands
There are a few commands that allow you to maniuplate the kernel. Each is quickly described below, for more information say `man [command]`.
- depmod – handle dependency descriptions for loadable kernel modules.
- insmod – install loadable kernel module.
- lsmod – list loaded modules.
- modinfo – display information about a kernel module.
- modprobe – high level handling of loadable modules.
- rmmod – unload loadable modules.
List or display loaded modules
Method 1: less /proc/modulesram@linuxforfreshers.com#less /proc/modulesuas 24576 0 – Live 0x0000000000000000usb_storage 69632 1 uas, Live 0x0000000000000000bridge 126976 0 – Live 0x0000000000000000stp 16384 1 bridge, Live 0x0000000000000000llc 16384 2 bridge,stp, Live 0x0000000000000000xt_CHECKSUM 16384 3 – Live 0x0000000000000000ipt_MASQUERADE 16384 9 – Live 0x0000000000000000nf_nat_masquerade_ipv4 16384 1 ipt_MASQUERADE, Live 0x0000000000000000ebtable_nat 16384 0 – Live 0x0000000000000000ebtables 36864 1 ebtable_nat, Live 0x0000000000000000nf_log_ipv4 16384 0 – Live 0x0000000000000000nf_log_common 16384 1 nf_log_ipv4, Live 0x0000000000000000xt_tcpudp 16384 13 – Live 0x0000000000000000ip6table_mangle 16384 0 – Live 0x0000000000000000iptable_nat 16384 1 – Live 0x0000000000000000nf_conntrack_ipv4 16384 3 – Live 0x0000000000000000ram@linuxforfreshers.com# lsmod | tail -10hid_generic 16384 0 usbhid 49152 0 psmouse 126976 0 hid 118784 2 hid_generic,usbhidpata_acpi 16384 0 floppy 73728 0 fjes 28672 0 e1000e 233472 0 ptp 20480 1 e1000epps_core 20480 1 ptp
Finding more info about any module or driver
Syntax: modinfo driver-Name-Hereram@linuxforfreshers.com#modinfo e1000efilename: /lib/modules/4.4.0-59-generic/kernel/drivers/net/ethernet/intel/e1000e/e1000e.kodescription: Intel(R) PRO/1000 Network Driverauthor: Intel Corporation, <linux.nics@intel.com>srcversion: 8D9E9AFD67E40CA48E61582alias: pci:v00008086d000015D6sv*sd*bc*sc*i*alias: pci:v00008086d000015E3sv*sd*bc*sc*i*alias: pci:v00008086d000015D8sv*sd*bc*sc*i*alias: pci:v00008086d000015D7sv*sd*bc*sc*i*alias: pci:v00008086d000015B9sv*sd*bc*sc*i*alias: pci:v00008086d000015B8sv*sd*bc*sc*i*alias: pci:v00008086d000015B7sv*sd*bc*sc*i*alias: pci:v00008086d00001570sv*sd*bc*sc*i*alias: pci:v00008086d0000156Fsv*sd*bc*sc*i*alias: pci:v00008086d000015A3sv*sd*bc*sc*i*alias: pci:v00008086d000015A2sv*sd*bc*sc*i*alias: pci:v00008086d000015A1sv*sd*bc*sc*i*alias: pci:v00008086d000015A0sv*sd*bc*sc*i*alias: pci:v00008086d00001559sv*sd*bc*sc*i*alias: pci:v00008086d0000155Asv*sd*bc*sc*i*alias: pci:v00008086d0000153Bsv*sd*bc*sc*i*alias: pci:v00008086d0000153Asv*sd*bc*sc*i*alias: pci:v00008086d00001503sv*sd*bc*sc*i*alias: pci:v00008086d00001502sv*sd*bc*sc*i*alias: pci:v00008086d000010F0sv*sd*bc*sc*i*alias: pci:v00008086d000010EFsv*sd*bc*sc*i*alias: pci:v00008086d000010EBsv*sd*bc*sc*i*alias: pci:v00008086d000010EAsv*sd*bc*sc*i*alias: pci:v00008086d00001525sv*sd*bc*sc*i*alias: pci:v00008086d000010DFsv*sd*bc*sc*i*alias: pci:v00008086d000010DEsv*sd*bc*sc*i*alias: pci:v00008086d000010CEsv*sd*bc*sc*i*alias: pci:v00008086d000010CDsv*sd*bc*sc*i*alias: pci:v00008086d000010CCsv*sd*bc*sc*i*alias: pci:v00008086d000010CBsv*sd*bc*sc*i*alias: pci:v00008086d000010F5sv*sd*bc*sc*i*alias: pci:v00008086d000010BFsv*sd*bc*sc*i*alias: pci:v00008086d000010E5sv*sd*bc*sc*i*alias: pci:v00008086d0000294Csv*sd*bc*sc*i*alias: pci:v00008086d000010BDsv*sd*bc*sc*i*alias: pci:v00008086d000010C3sv*sd*bc*sc*i*alias: pci:v00008086d000010C2sv*sd*bc*sc*i*alias: pci:v00008086d000010C0sv*sd*bc*sc*i*alias: pci:v00008086d00001501sv*sd*bc*sc*i*alias: pci:v00008086d00001049sv*sd*bc*sc*i*alias: pci:v00008086d0000104Dsv*sd*bc*sc*i*alias: pci:v00008086d0000104Bsv*sd*bc*sc*i*alias: pci:v00008086d0000104Asv*sd*bc*sc*i*alias: pci:v00008086d000010C4sv*sd*bc*sc*i*alias: pci:v00008086d000010C5sv*sd*bc*sc*i*alias: pci:v00008086d0000104Csv*sd*bc*sc*i*alias: pci:v00008086d000010BBsv*sd*bc*sc*i*alias: pci:v00008086d00001098sv*sd*bc*sc*i*alias: pci:v00008086d000010BAsv*sd*bc*sc*i*alias: pci:v00008086d00001096sv*sd*bc*sc*i*alias: pci:v00008086d0000150Csv*sd*bc*sc*i*alias: pci:v00008086d000010F6sv*sd*bc*sc*i*alias: pci:v00008086d000010D3sv*sd*bc*sc*i*alias: pci:v00008086d0000109Asv*sd*bc*sc*i*alias: pci:v00008086d0000108Csv*sd*bc*sc*i*alias: pci:v00008086d0000108Bsv*sd*bc*sc*i*alias: pci:v00008086d0000107Fsv*sd*bc*sc*i*alias: pci:v00008086d0000107Esv*sd*bc*sc*i*alias: pci:v00008086d0000107Dsv*sd*bc*sc*i*alias: pci:v00008086d000010B9sv*sd*bc*sc*i*alias: pci:v00008086d000010D5sv*sd*bc*sc*i*alias: pci:v00008086d000010DAsv*sd*bc*sc*i*alias: pci:v00008086d000010D9sv*sd*bc*sc*i*alias: pci:v00008086d00001060sv*sd*bc*sc*i*alias: pci:v00008086d000010A5sv*sd*bc*sc*i*alias: pci:v00008086d000010BCsv*sd*bc*sc*i*alias: pci:v00008086d000010A4sv*sd*bc*sc*i*alias: pci:v00008086d0000105Fsv*sd*bc*sc*i*alias: pci:v00008086d0000105Esv*sd*bc*sc*i*vermagic: 4.4.0-59-generic SMP mod_unload modversions parm: debug:Debug level (0=none,…,16=all) (int)parm: copybreak:Maximum size of packet that is copied to a new buffer on receive (uint)parm: TxIntDelay:Transmit Interrupt Delay (array of int)parm: TxAbsIntDelay:Transmit Absolute Interrupt Delay (array of int)parm: RxIntDelay:Receive Interrupt Delay (array of int)parm: RxAbsIntDelay:Receive Absolute Interrupt Delay (array of int)parm: InterruptThrottleRate:Interrupt Throttling Rate (array of int)parm: IntMode:Interrupt Mode (array of int)parm: SmartPowerDownEnable:Enable PHY smart power down (array of int)parm: KumeranLockLoss:Enable Kumeran lock loss workaround (array of int)parm: WriteProtectNVM:Write-protect NVM [WARNING: disabling this can lead to corrupted NVM] (array of int)parm: CrcStripping:Enable CRC Stripping, disable if your BMC needs the CRC (array of int)Using following command to find list of installed drivers.ls -l /lib/modules/$(uname -r)/kernel/drivers/ram@linuxforfreshers.com#ls /lib/modules/$(uname -r)/kernel/drivers/ | tail -10
What is the standard directory for driver files are stored?
Using following command u can get standard Directory for Driver files are stored.echo “Kernel drivers dir: “/lib/modules/$(uname -r)/kernel/drivers/” for Linux kernel version “$(uname -r)” “ram@linuxforfreshers.com#echo “Kernel drivers dir: “/lib/modules/$(uname -r)/kernel/drivers/” for Linux kernel version “$(uname -r)” “Kernel drivers dir: “/lib/modules/4.4.0-59-generic/kernel/drivers/” for Linux kernel version “4.4.0-59-generic”