Commands by NPH (1)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Launch a VirtualBox virtual machine
You can use this on your session login.

fuman, an alternative to the 'man' command that shows commandlinefu.com examples
Example: fuman sed

Change proccess affinity.
Set the affinity of a process to a particular core(s). Arguments for processor include a comma separated list, or a range. (example: 1,2 or 0-3) You can use top in smp mode (Press 1) to see the changes to the affinity.

delete a particular line by line number in file
deletes line 3 in known_hosts text file

Backup sda5 partition to ftp ( using pipes and gziped backup )

Display the standard deviation of a column of numbers with awk

Check tcp-wrapping support
This function returns TRUE if the application supports tcp-wrapping or FALSE if not by reading the shared libraries used by this application.

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

A DESTRUCTIVE command to render a drive unbootable
Overwrites the boot sector. Since this doesn't overwrite any data, you can usually recover by re-creating the partition table exactly the same as before you zeroed it. This can also help sometimes if you install a new drive in a Windows machine which can't read it.

let the cow suggest some commit messages for you

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