Commands by simone23 (0)

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Convert all Flac in a directory to Mp3 using maximum quality variable bitrate

sync svn working copy and remote repository (auto adding new files)
Lists the local files that are not present in the remote repository (lines beginning with ?) and add them.

Replace + Find

diff two svn repos ignoring spaces,tabs and svnfiles

Replace spaces in filename
This command will replace spaces in filename with underscore, for all file in directory that contain spaces.

How to get an absolute value
Whenever we are only interested in difference between two numbers and not the positive/negative values we can use this in script.

See system users

check open ports without netstat or lsof

Know which modules are loaded on an Apache server
This let you know which modules has loaded the Apache server, very useful to know if the mod_rewrite is ready to use.

Number of open connections per ip.
Here is a command line to run on your server if you think your server is under attack. It prints our a list of open connections to your server and sorts them by amount. BSD Version: $ netstat -na |awk '{print $5}' |cut -d "." -f1,2,3,4 |sort |uniq -c |sort -nr

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