Information about eth0

show statistics of network card ‘eth0’ ethtool eth0

Find Open File in a Given Directory

Find the process that’s opened the file from a specified directory. You can use this if you cannot unmount a…

Show Link Status

Show link status of ‘eth0’ mii-tool eth0

pstree Command

Shows a tree system processes pstree

Watching the disk space

If you want to repeat a command many times, for example you are monitoring something, then don’t forget about the…

Run Remote App Locally

Run a remote GUI tool in a local system ssh -X neo@192.168.0.30 /usr/bin/kate

nslookup Network Command

Lookup hostname to resolve name to ip address and viceversa nslookup www.example.com

Backup Entire Harddrive to an Image

Backup content of the harddrive to a file. Creates an image of the drive dd if=/dev/sda of=/tmp/sda.iso

Check Ext2 FS

repair / check integrity of ext2 filesystem on disk hda1 fsck.ext2 /dev/hda1

Static Route

Configure static route to reach network ‘192.168.0.0/16’ route add -net 192.168.0.0 netmask 255.255.0.0 gw 192.168.1.1