Commands by haivu (54)

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Print Memory Utilization Percentage For a specific process and it's children
Change the name of the process and what is echoed to suit your needs. The brackets around the h in the grep statement cause grep to skip over "grep httpd", it is the equivalent of grep -v grep although more elegant.

bulk rename files with sed, one-liner
Renames all files in a directory named foo to bar. foobar1 gets renamed to barbar1 barfoo2 gets renamed to barbar2 fooobarfoo gets renamed to barobarfoo NOTE: Will break for files with spaces AND new lines AND for an empty expansion of the glob '*'

Make vim open in tabs by default (save to .profile)
I always add this to my .profile rc so I can do things like: "vim *.c" and the files are opened in tabs.

List all duplicate directories
Very quick! Based only on the content sizes and the character counts of filenames. If both numbers are equal then two (or more) directories seem to be most likely identical. if in doubt apply: $ diff -rq path_to_dir1 path_to_dir2 AWK function taken from here: http://stackoverflow.com/questions/2912224/find-duplicates-lines-based-on-some-delimited-fileds-on-line

Kill all processes belonging to a single user.

Count all conections estabilished on gateway

shut of the screen ( Fool proof )
Use the command to create a script and bind it to a key using keyboard shortcut. eg: Script locks the screen in a loop until the command is executed again.At first it

Stat each file in a directory
This will run stat on each file in the directory.

Copy something to multiple SSH hosts with a Bash loop
Just a quick and simple one to demonstrate Bash For loop. Copies 'file' to multiple ssh hosts.

List the number and type of active network connections


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