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Generate MD5 of string and output only the hash checksum in a readable format
Generates the md5 hash, without the trailing " -" and with the output "broken" into pairs of hexs.

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Generate a ZenCart-style MD5 password hash.
ZenCart uses a MD5 with a salt to secure its passwords. If you need to forcibly change someone's password to a known value within the database, this one-liner can generate the password. Change the value of 'p' to the password you want.

edit hex mode in vim
return to normal mode from hex mode :%!xxd -r

Given process ID print its environment variables
Same as previous but without fugly sed =x

commentate specified line of a file
used when modify several configuration files with a single command

dump the whole database

Remove CR LF from a text file
Remove CR LF (CRLF) from a text file. use man:tr to get more info about removing other characters from a file. and even character to character replacements.

add all files not under version control to repository
checks which files are not under version control, fetches the names and runs them through "svn add". WARNING: doesn't work with white spaces.

Display last exit status of a command
The variable ? contain the last exit status of a command, it can be printed for troubleshooting purpose.


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