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Pipe filenames to tar 5 Mar 2013 | 02:50 pm
Simple oneliner that demonstrates the principle of how to specify the files you wish tar to archive (or extract) by piping to it: cat filenames.txt | tar cvzf ~/try.tgz -T -
PostgreSQL CSV output from the CLI 30 Jan 2013 | 04:55 pm
Get CSV output from a postgreSQL database directly from the CLI: 1 psql -A -F ',' -t -c 'select * from tablename;' You can then, clearly, redirect the output as desired.
Parse JSON on the CLI 26 Nov 2012 | 03:35 pm
Simple one-liner to parse JSON on the command line: 1 cat fileof.json | python -mjson.tool
Config cleanup 6 May 2012 | 03:38 am
A one liner to remove all stale pkg config files on a system after the main programs have been removed. WARNING: There's no going back so make sure you do want all these config files removed and that...
Generating SSL certificates 30 Aug 2011 | 01:27 am
Generate server private key The first task is to create a server private key. In this example, a key of 1024 bits is created and the passphrase is encrypted using tripple DES: To create a key witho...
Files without comments 22 Aug 2011 | 07:15 pm
Use *awk to remove comment lines that start with a '#' making it easier to view the actual configurations/settings [Edit] To remove the blank lines as well as the comments, alter the awk command to
Batch convert audio files 10 Aug 2011 | 07:47 pm
Simple one-liner to batch convert one type of audio file to another using ffmpeg. The example converts .ogg to .mp3 files:
dpkg tips 5 Aug 2011 | 07:32 pm
dpkg is package manager for Debian, and found in most of its derivatives. Programs such as apt and aptitude are front-ends to dpkg. Following are some handy to know dpkg commands. Package Listing To...
AcerAspireOne Touchpad on Debian 11 Jul 2011 | 10:01 am
When installing Debian "Testing" on the AcerAspireOne the touchpad does not register a single tap of the pad as a left mouse click. To rectify this add the following line to the file /etc/modprobe.d/p...
apt autoclean 5 Jul 2011 | 08:27 pm
To have apt-get/aptitude auto-clean all the downloaded .deb files after running an "update" (to keep as much free space as possible) simply add the following to /etc/apt/apt.conf.d/00autoclean
