How and When To Enable MySQL Logs
If you are a web developer, you need to refer to various log files, in order to debug your application or improve its performance. Logs is the best place to…
Search Debian system for a Certain Package
You can search for a certain package in a Debian system using dpkg. dpkg --list "package_name" Example Give the command dpkg --list "apache2*" the result looks like: Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend…
Upgrade Debian 6 Squeeze to 7 Wheezy
One of the advantages of Debian operating system is the ability to live update a production server from current to next release. Under normal circumstances you do not have to…
Install and Config Psad in Debian 7 Wheezy
Psad (Port Scan Attack Detector) is an intrusion prevention software, written in Perl by Michael Rash. Psad makes use of iptables and ip6tables log messages to detect, alert, and (optionally)…
Install and Config Fail2Ban in Debian 7 Wheezy
Fail2Ban (authentication failure monitor) is an intrusion prevention software, written in Python. Fail2Ban analyzes various services log files (ssh, apache, postfix etc) and if it detects possible attacks (mainly Brute-force…