Category: "Unix"

Running CronJobs

February 4th, 2011
cron is a extremely useful unix utility that allows tasks to be automatically run in the background at regular intervals. Use the crontab command to edit the service: crontab -e Edit your crontab file, or create one if it doesnít already exis… more »

Improving Website performance

October 29th, 2009
Some general notes on ways to shorten the response time of your web site. 1. Make fewer HTTP requests ñ Reducing 304 requests with Cache-Control Headers 2. Use a CDN 3. Use a customized php.ini ñ Creating and using a custom PHP.ini 4.… more »


September 2nd, 2009
awk is an extremely useful unix tool for quick command-line task, in particular in combination with other commands like grep or sort. "AWK is a data-driven programming language designed for processing text-based data, either in files or data streams. It is an example of a programming language that extensively uses the string datatype, associative arrays (that is, arrays indexed by key strings), and regular expressions." [wikipedia] more »


June 15th, 2009
Using rsync "rsync is a software application for Unix systems which synchronizes files and directories from one location to another while minimizing data transfer using delta encoding when appropriate." [Wikipedia] Fact is that it is very fast (faster… more »

Majordomo Commands

June 11th, 2009
User commands for the mailing list software Majordomo Send these commands in the email body to, example: mailto: who mac-list help Majordomo replies with a list of acceptable Majordomo commands. subscribe… more »