Red Hat 6 or CentOS 6: Yum Tips – Lock Package Versions and Only Apply Security Updates | In Red Hat 6 or CentOS 6, it is possible to selectively pin or mask a particular package version to keep it from updating. It is also possible to list and apply pending security updates as opposed to security and bug fixes. This is ideal for environments that only want to push out security fixes
Logwatch How-To for CentOS or Red Hat
Logwatch How-To for CentOS or Red Hat | Logwatch is the classic log file email utility that emails a daily status of activity from Linux logs. On CentOS, the default install of logwatch does not have many fancy features enabled. I’ll show you how to configure logwatch! First, install logwatch: $ sudo yum install logwatch Next, navigate to the logwatch services directory which
CentOS 6 or Red Hat 6 | Install DHCP Server
CentOS 6 or Red Hat 6 | Install DHCP Server | On CentOS 6 or Red Hat 6, installing a DHCP server is not too difficult. I’ll show you how it works! First, install the DHCP server: $ sudo yum install dhcp The configuration file (blank) is located here: /etc/dhcp/dhcpd.conf To copy a sample configuration file over for the production file, use the following command: $
PHP 5.4 Packages for Red Hat
PHP 5.4 Packages for Red Hat | Red Hat Enterprise Linux is an excellent stable distro for mission critical enterprise environments. However the PHP and MySQL versions included are a tad behind mainstream. There is a great community repository from Rackspace that offers recent PHP, MySQL, and Python versions for Red Hat. The project page is: http://iuscommunity.org For Red Hat 5 and
Install BIND in Red Hat 6 or CentOS 6
Install BIND in Red Hat 6 or CentOS 6 | As of Red Hat 6 and CentOS 6, the DNS server bind is super easy to get up and running. Here’s how it works! Install bind: $ sudo yum install bind Start bind – the service is called named $ sudo /etc/init.d/named start Generating /etc/rndc.key: [ OK ] Starting named: [ OK ] Done. If
Install EPEL Repository for CentOS 6
Install EPEL Repository for CentOS 6 | The Fedora EPEL Repository provides many additional packages that are for use with either Red Hat or CentOS. I’ll show you how to add this repository for CentOS 6! Run the following command (you do use sudo, right?!): 32bit: $ sudo rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm 64bit: $ sudo rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm Now enjoy 7674 additional packages
Start eth0 at boot Red Hat | CentOS
Start eth0 at boot Red Hat | CentOS | To have eth0 start at boot, edit the following file: $ sudo nano /etc/sysconfig/network-scripts/ifcfg-eth0 Change ONBOOT to “yes” DEVICE=”eth0″ BOOTPROTO=”dhcp” HWADDR=”08:00:27:CE:54:D9″ NM_CONTROLLED=”yes” ONBOOT=”yes” Done!
Oracle Enterprise Linux – Free Public Yum Repository
Oracle Enterprise Linux – Free Public Yum Repository | Oracle provides a free public yum update repository for package and security updates to Oracle Enterprise Linux. No support contract is required and likewise no support is provided. See this page for details: http://public-yum.oracle.com/ Oracle Enterprise Linux is available for free from oracle.com. A valid login account is required and can be made temporarily with
Upgrade Red Hat / CentOS 5 Password Hashing
Upgrade Red Hat / CentOS 5 Password Hashing | By default, Red Hat / CentOS 5 uses the largely less desirable md5 algorithm for local account password hashing. Bah! Debian / Ubuntu : you are already using SHA-512 – yay! Be sure to mock your fellow Red Hat friends on this topic. (Note: the new Red Hat / CentOS 6 is now SHA-512 by
