Commands tagged shell (94)

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Backup all MySQL Databases to individual files
No need to loop when we have `xargs`. The sed command filters out the first line of `show databases` output, which is always "Database".

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"

[WinXP]Use as a shortcut in the SendTo menu to open a cmd window for a given folder.
This comes in handy for me when I am developing and testing Perl command line scripts. http://technet.microsoft.com/en-us/library/bb490880.aspx

Show a listing of open mailbox files (or whatever you want to modify it to show)

Mount and umount iso files
Add the functions to the .bashrc to make it work Example: First go to the iso file directory and type: ---------------------------------------------------------------------------------------------------- user@box:~$ miso file.iso ---------------------------------------------------------------------------------------------------- It will put you into a temporary mounting point directory (ISO_CD) and will show the files You can umount the iso file whatever the directory you are ---------------------------------------------------------------------------------------------------- user@box:~/ISO_CD$ uiso ---------------------------------------------------------------------------------------------------- It wil umount the iso file and remove the temporary directory in your home

Determine the version of a specific package with RPM
In this case, I'm getting the package version for 'redhat-release', but of course, this can be applied to any package installed on the filesystem. This is very handy in scripts that need to determine just the version of the package, without the package name and all the sed and grep hackery to get to the data you want. To find out all the support format strings that 'rpm --qf' supports: $ rpm --querytags

Display GCC Predefined Macros
doesn't need /dev/null

rsync...

Restore deleted file from GIT repository
This command will automatically find the latest version of the file that was deleted and restore it to it's previous location. If, of course, your file was kept in a git repository... I found this command on http://stackoverflow.com/a/1113140

parrallel execution of a command on remote hosts by ssh or rsh or ...
parrallel execution of a command on remote host by ssh or rsh or ... very useful for cluster management (software update)


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