How to Configure alternative SMTP port in Qmail (Linux + Plesk)

Most of the ISP blocks default SMTP port (25) to control mail flow hence it is always advisable to have additional SMTP port open on the server. Here are the steps to configure qmail to use alternate SMTP port 587 on Linux Plesk server. 1. Login to the shell with root user and go to […]

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How to use MySQLTuner ?

Note : You’d need to be logged in as root user before to run the MySQLTuner script. Step 1 :  Log into your server with a root or sudo user via SSH. Step 2 : Use the below command to download and execute : wget mysqltuner.pl Step 3 : You’d need to assign 775 permissions for the script: chmod 775 mysqltuner.pl Step 4 : […]

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How to Install Snort on Linux ?

Installing Snort on Linux : First download Snort’s latest version “snort-2.9.1.2.tar.gz” using the following command : wget http://www.snort.org/dl/snort-current/snort-2.9.1.2.tar.gz -O snort-2.9.1.2.tar.gz Run the following commands to proceed with installation: tar zxf snort-2.9.1.2.tar.gz cd snort-2.9.1.2 ./configure make make install While installing Snort you may get following error: ERROR! Libpcap library/headers (libpcap.a (or .so)/pcap.h) not found To fix the above […]

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