First set up the httpd (web) service $ yum install httpd If httpd service is already installed, update the service $ yum update httpd Now, start the web server $ service httpd start Redirecting to /bin/systemctl start httpd.service Check the status of the web server $ service httpd status (more…)

First lets do an update before we start installing PostgreSQL $ yum update You can install PostgreSQL from CentOS Base repo or can do a search for the latest version and install it based on your needs. Method 1 describes manual setup and Method 2 indicates an install from CentOS base repo (more…)

Fail2ban is a software used to ban IP's which shows strange behavior. It can be configured to reject IP's for a certain amount of time. To install Fail2ban we need to download the application from the source. Login as the root user and go to /opt $ cd /opt $ wget http://downloads.sourceforge.net/project/fail2ban/fail2ban-stable/fail2ban-0.8.4/fail2ban-0.8.4.tar.bz2?use_mirror=transact Next unzip the downloaded file $ tar -xf fail2ban-0.8.4.tar.bz2 $ cd fail2ban-0.8.4 (more…)

One of the clean and easy installation steps can be found at http://www.sklav.com/?q=node/2 I have added this in the blog to help a newbie land in a page that is easy to follow. The steps cover i) Adding rpmforge ii) Adding adobe repo iii) Installation command to install libraries, flash plugin and other streaming medias iv) MPlayer codec installation

Difference between which command and whereis command in Linux For e.g. lets find where "samba" is located in a CentOS server $ which samba which command searches the list of programs listed down through the PATH settings $ whereis samba whereis command also searches for programs that are not present in the PATH setting

Samba facilitates file sharing across linux, windows systems for beginners First create a folder in your Windows system, right click the folder and share the folder for network access. Let say that you have created a folder for share as "xpshare" and that the name of your windows machine is "windowsxp" (right click "My Computer" and select properties. Under the tab "Computer Name" you can note the name of the machine) (more…)