Usefull Linux Command

Export Display

export DISPLAY=:0

Find

• Find every file under the directory /usr ending by "js".

find /usr -name *js

• Find every file under the directory /home owned by the user bob.

find /home -user bob

• Find every file under the directory /var/spool that was modified more than 60 days ago.

find /var/spool -mtime +60

• Find files named core in or below the directory /tmp and delete them, processing filenames in such a way that file or directory names containing single or double quotes, spaces or newlines are correctly handled. The -name test comes before the -type test in order to avoid having to call

find /tmp -name core -type f -print0 | xargs -0 /bin/rm -f

• Runs `file' on every file in or below the current directory

find . -type f -exec file '{}' \;

Tar

Uncompress

Archive-name.tar.gz

tar xzvf Archive-name.tar.gz -C /directory

Compress

Archive-name.tar.gz

tar czvf Archive-name.tar.gz  /directory

Remote Desktop Xdmcp

• Xnest -ac -query 192.168.1.1 :1 -geometry 1024x768

TcpDump

tcpdump host 192.168.1.1 -vvvli wlan0