CentOS 6
Multipule Web Nodes using GlusterFS with CentOS 6.6
Check to see if there are any trusted storage pools already configured. Check you can establish communication from web01 to web02. This will fail if the peer isn’t listen or if the firewall is blocking […]
Installing GlusterFS on CentOS 6.6
You will need to download the following repository file to the /etc/yum.repos.d/ directory before trying to install the glusterfs-server package. It will pull-in a load of dependencies… …Accept the GPG key imports you are alerted […]
Rackspace Cloud Monitoring Agent
The Rackspace cloud monitoring agent allows you to monitor CPU, memory, filesystem usage and system processes. It does this by collecting information about the system and pushing it out to Rackspace Cloud Monitoring web services, […]
Protect Your Cloud Infrastructure Servers with Isolated Cloud Networks
Create a Private Cloud Network Create an isolated cloud network. Here I am using the supernova client to communicate with the Rackspace OpenStack API. Take note of the id – you’ll need it shortly! Create […]
Unable to Install mkpasswd on CentOS 6.4
I was surprised to find the mkpasswd utility missing from my new installation of CentOS 6.4. Yum has a feature called whatprovides, which can be used to find out which installable package provides some feature, […]