Here is another quick tip – How to find out in server who is connected over to your server. su cd /usr/sbin ./lsof -i :22…
View More Lets see who is connected over ssh to my serverTag: Red Hat
How to install Apache Tomcat on CentOS 6.3 in few steps
is an open source software implementation of the Java Servlet and JavaServer Pages technologies. Different versions of are available for different versions of the Servlet…
View More How to install Apache Tomcat on CentOS 6.3 in few stepsSSH – how to remove offending ssh key from known_hosts file
So I have demoted and removed my old CentOS server that was my server. New server has been installed and configured and I am trying…
View More SSH – how to remove offending ssh key from known_hosts fileCentrify Express Update Adds Platform Support, Addresses Bug Fixes
Centrify Suite 2012 Update 5 (Suite 2012.5) adds additional platform support, addresses bug fixes, and improves the Deployment Manager component by writing the working data…
View More Centrify Express Update Adds Platform Support, Addresses Bug FixesHow to install OpenVAS vulnerability scanner on CentOS 6.3
OpenVAS is a framework of several services and tools offering a comprehensive and powerful and management solution. The powerful and comprehensive OpenVAS solution is available as…
View More How to install OpenVAS vulnerability scanner on CentOS 6.3Auditing Linux machine with Lynis Auditing Tool
I am sure everyone understand how important is to keep your Linux system regardless if you run , or in secure state. There is plenty…
View More Auditing Linux machine with Lynis Auditing ToolInstalling OpenNMS on CentOS 6.3 or Red Hat ES 6
After few days of fighting with install and configuration different Open Source tool. I have found this very interesting, enterprise ready network monitoring system and…
View More Installing OpenNMS on CentOS 6.3 or Red Hat ES 6How to find out processor model and speed on Linux machine
Sometimes you need to document stuff even for servers and here is one liner how to find out the CPU model and speed installed on…
View More How to find out processor model and speed on Linux machineExclude certain files when creating a tarball archive
I have noted that my tarball archives are growing really big on my server. They used to be around 50GB and now I am reaching…
View More Exclude certain files when creating a tarball archiveHow to display available RAM in MB in Linux
Here is simple one -line that you can use to display the available RAM in MB on your system. root@localhost# cat /proc/meminfo | awk ‘match($1,”MemTotal”)…
View More How to display available RAM in MB in Linux