Basic troubleshooting commands in linux

While troubleshooting we can use the following commands to check our configuration and added periferal devices..

• lshw —  hardware list
• lsusb — show all usb
• lscpu — Basic cpu info
• lspci– pci cards info
• lsb_release -a –Shows ubuntu version, code name release
• lsmod — Modules loaded in kernel
• modprobe -add 0r -remove modules from kernel
• netstat — Network connection & routing
• testdisk — recover deleted partition
• ps — show running processes