Upgrade PHP from 5.4 to 5.6 and roundcubemail

Reading Time: < 1 minute Before starting the upgrade you have to install remi and epel repositories as follow: rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpmrpm -Uvh https://rpms.remirepo.net/enterprise/remi-release-7.rpm edit the repository and enable it nano /etc/yum.repos.d/remi.repo [remi] enabled=1 [remi-php56] enabled=1 make a copy of the follow directories: cp -rf /usr/share/roundcubemail /usr/share/roundcubemail_oldcp -rf /etc/roundcubemail /etc/roundcubemail_oldcp /etc/httpd/conf.d/roundcubemail.conf /etc/httpd/conf.d/roundcubemail.conf_old Uninstall roundcubemail yum erase roundcubemail run ad yum…

Configure VLAN trunk on CentOS/RedHat

Configure VLAN trunk on CentOS/RedHat

Reading Time: < 1 minute If you need to create a tagged VLAN on you CentOS/RedHat distribution follow this simple guide. I’ll try to explain how to reach this goal with an example. after that Suppose that a host should reach two differents VLANs both carried by a trunk connected to physical interface and that the first eth has ip 192.168.100.1/24…

Bonding On CentOS

Bonding On CentOS

Reading Time: 2 minutes Channel bonding is a computer networking arrangement in which two or more network interfaces on a host computer are combined for redundancy or increased throughput. We have different bond modes: mode=1 (active-backup) Active-backup policy: Only one slave in the bond is active. A different slave becomes active if, and only if, the active slave fails.…

Install OMSA on CentOS/RedHat

Install OMSA on CentOS/RedHat

Reading Time: < 1 minute If you need to install Open Manage Server Administrator (OMSA) on a Linux (CentOS or RedHat) system the fastest way is the following: Note 1: These instructions work for RHEL5, RHEL6, CentOS, Scientific Linux. Note 2: The version of yum distributed on CentOS 3 by default is too old (yum 2.0.8). You will need to upgrade…

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