A really short instruction for haw to test your CPU, File IO and MySQL on CentOS 6.5 1. Install sysbench It’s easy and there is a RPM package in repositories yum install sysbench 2. CPU benchmark sysbench –test=cpu –cpu-max-prime=10000 run Continue reading How to benchmark your system with sysbench
Download the antivirus components: yum install clamav-daemon clamav-freshclam clamsmtp Add the following to the end of your “/etc/postfix/main.cf” file: content_filter = scan:[127.0.0.1]:10025 Make your “/etc/clamsmtpd.conf” file look like this: OutAddress: localhost:10026 ClamAddress: /var/run/clamav/clamd.ctl User: clamav Make your “/etc/clamav/clamd.conf” file look Continue reading Postfix Email antivirus scanning with ClamAV on Linux
Templates Templates are a key feature of rsyslog. They allow to specify any format a user might want. They are also used for dynamic file name generation. Every output in rsyslog uses templates – this holds true for files, user Continue reading Custom templates for rsyslog
Using Spamassassin with Postfix Install Spamassasin using the following: yum install spamassassin spamc Configuring Postfix to use Spamassasin. In “/etc/postfix/master.cf”, change this: smtp inet n – – – – smtpd To be this: smtp inet n – – – – Continue reading Postfix Email Spam check with Spamassasin on Linux
This tutorial demonstrates how to find and deal with programs opening network ports on your Linux system. In our example below, the TCP port 6667 is open. This port is usually used for IRC servers. If you see this port Continue reading Find programs listening on network ports and removing them