Working in a customer project with RHEL OSP 6 and CEPH Enterprise is somehow challenging Here are some experiences especially with CEPH Monitor. Continue reading Ceph Monitor handling
Scenario: You want to create a custom CentOS 7 / RHEL 7 boot CD with custom kickstart files located on the CD. Furthermore you want to perform some post installation tasks like running some Puppet manifests. In this post I describe the process based on CentOS 7.1.
If you open a file with vim then it is often very helpful to know the line number which you currently editing. To display line numbers within vim you can enable them every time you start vim with:
To enable line numbers permanently you can add the following line to /etc/vimrc (if you want to enable line numbers globally) or to ~/.vimrc (if you want to enable them only for your personal user):
echo set number >> /etc/vimrc