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backs up at the date today

Watch active calls on an Asterisk PBX
Show active calls as the happen on an Asterisk server. Note that the Asterisk command (in single quotes) is formatted for Asterisk 1.6. Use the -n flag on the watch command to modify the refresh period (in seconds - default is 2 seconds).

list block devices
Shows all block devices in a tree with descruptions of what they are.

Parse m3u playlist file for total time
Parse an m3u file with seconds for each item and output the length of the entire playlist

Go to the next sibling directory in alphabetical order
Sometimes you have to browse your way through a lot of sub-directories. This command cd to the next sub-directory in alphabetical order. For example, if you have the directories "lectures/01-intro", "lectures/02-basic", "lectures/03-advanced" and so on, and your PWD is "02-basic", it jumps to "03-advanced".

generate iso

Given process ID print its environment variables

checks size of directory & delete it if its to small
only simple example how to combine rclone & jq

tar and remove files which are older that 100 days
tar does not have a -mtime option as find. tar appends all the file to an existing tar file.

Search apache virtual host by pattern
Outputs contents of virtual hosts containing PATTERN. Particularly useful for pefrorming complex searches. E.g. search for docroot of www.example.com: $ sed -n '/^[^#]*


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