Month: April 2008

Incremental Backup using dump

Make a incremental backup of directory ‘/home/binnyva’ dump -1aj -f home.bak /home/binnyva/

Backup Using ‘dump’ command

Make a full backup of directory ‘/home’ dump -0aj -f home.bak /home

Remove Even Lines

This command removes all the even lines from the file given as the argument cat example.txt|awk ‘NR%2==1’

lsattr

Show specials attributes lsattr

Force Download Dialog with PHP using octect-stream

Use this code to force a download of any type of content with PHP header(“Content-type:application/octect-stream”); header(‘Content-Disposition: attachment; filename=filename_’ . date(‘Y-m-d’)…

Make a File Immutable

Makes a file immutable – it can not be removed, altered, renamed or linked chattr +i file

View some lines in a file

View from 1th to 5th line sed -n ‘1,5p;5q’ example.txt

Move Subfolder Files to Current Folder

This command moves all the files in the subfolder to the current folder. mv */* .

Remove Empty Characters at End of Lines

Remove empty characters at the end of each row sed -e ‘s/ *$//’ file.txt

Fish Shell Command History Meme

Use this command if you want to know your command usage stats in the fish shell. grep -v “^\#” “.config/fish/fish_history”|awk…