How do I configure serial console under CentOS Linux or Red Hat Enterprise Linux 6.x running on HP or Dell server?
The top and free command display the total amount of free and used physical and swap memory in the server. How do I determine which process is using swap space under Linux operating systems? How do I find out swap space usage of particular process such as
memcached?
I have setup an Apache web server on CentOS Linux. How do I configure firewall to allow or block access? How do I setup firewall for a web server under RHEL or CentOS Linux v6.x?
How do I sort all *.avi or *.py files in $HOME/Download/ directory by file size using Linux ls command line utility?
How can I install Nginx web server On CentOS Linux 6 or Red Hat Enterprise Linux 6 using yum command?
A wireless NIC is showing as wlan0 but I need to be appear as eth1. How can I rename wlan0 devices through udev as eth1? How do I change or rename eth0 as wan0 under Linux operating systems?
A properly configured firewall can greatly increase the security of RHEL / CentOS based system. How do I configure a shorewall based firewall for CentOS or Red Hat Enterprise Linux system with an Internet connection? How do I install and configure shorewall to protect the following small business network?
