In my lab, I want everything to be controlled by puppet. So I use puppet to set up the cron job that I mentioned in step 3) in the post Integrate puppet to foreman.# Push puppet node facts to foreman*/10 * * * * /etc/puppet/push_facts.rbThe manifest can be found here as well.class sys_cron::push_facts {cron { puppet_push_facts: … Continue reading Puppet cron job configuration
Integrate Puppet to Foreman
Continue with my previous post - Build Foreman as Puppet ENC. Now it's the time to integrate the Puppet to Foreman. On the foreman server (foreman.mylab.local): 1) Add the puppet smart proxy 2) Import the environments via the smart proxy On puppet master (puppet.mylab.local): 1) Create the two executable ruby scripts to push/pull facts to/from foreman: … Continue reading Integrate Puppet to Foreman
Check major/ minor device number in Linux
In Linux world, everything is presented as a file in /dev to users no matter it is disk, network adapter or any other devices. In the background, kernel manages all the devices. To be specific, through the device drivers in the kernel.The devices controlled by the same device driver have a common device number which … Continue reading Check major/ minor device number in Linux
Missing NIC in cloned VirtualBox VM
If you ever encounter similar error 'Device eth0 does not seem to be present, delaying initialization' in the cloned VirtualBox VM, the fix is to remove this file (/etc/udev/rules.d/70-persistent-net.rules) and reboot the VM. The reason is that the new cloned VM generates new MAC addresses which do not match the previous ones that have been recorded … Continue reading Missing NIC in cloned VirtualBox VM
Puppet push SSH key
The passwordless SSH worked well in my lab. Here is the how to:1) Let the user generate the key pair, then copy the .pub file to the modules/sys_key/files folder and name it after the user's name.2) Copy /etc/skel/.bashrc and .bash_profile to modules/sys_key/files folder.3) Create the the manifests files in module/sys_key/manifests. It can be download from … Continue reading Puppet push SSH key
