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pretend to be busy in office to enjoy a cup of coffee
Not as taxing on the CPU.

alt + 1 .
alt + number + dot will insert last command argument at $number place, alt + 0 + . will print last command name. For example $ ls /tmp /var $ ls /usr /home alt + 1 + . will result in '/usr' , if you press alt + . again, it will result in '/tmp' alt + 0 + . -> 'ls'

To find the LDAP clients connected to LDAP service running on Solaris

extracting audio and video from a movie
rips the audio and video stream of a movie. The two streams are stored separately.

How to extract 5000 records from each table in MySQL
How to extract data from one table: mysqldump --opt --where="true LIMIT 5000" dbinproduzione tabella > miodbditest_tabella.sql

Insert a line at the top of a text file without sed or awk or bash loops
Yet another way to add a line at the top a of text file with the help of the tac command (reverse cat).

find all open files by named process
lists all files that are opened by processess named $processname egrep 'w.+REG' is to filter out non file listings in lsof, awk to get the filenames, and sort | uniq to remove duplciation

grep compressed log files without extracting
accomplishes the same thing without unzipping the whole file, and while i have never seen a log.tar.gz file that was a binary, i will concede that it might happen, so add the -a in there: $zgrep -ia "string" log.tar.gz it's still shorter/easier to type...

Set GIT_COMMITTER_DATE = GIT_AUTHOR_DATE for all the git commits

Redirect tar extract to another directory
The command extracting the tar contents into particular directory ...


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