Kubernetes pod getting rbd mount error Today I had a couple of our Kubernetes nodes get rebooted in the data center after they came back up, our Elastic Search pods were stuck in Init or Error states. Looking checking out the error logs on the pods it said that it Read more…
ntpd won’t start after reboot on CentOS 7 I’ve been having an issue where I install and enable ntpd to start at reboot on our ceph storage servers but after a reboot ntpd isn’t running correctly. Versions: CentOS 7.4 ntpd I’ve enabled ntpd using the following yum -y install ntpd Read more…
How to install iostat on CentOS If you’re performance turning a server, you want to check all aspects to see how it’s performing. The iostat command is used to check disk i/o statistics, how shows blocks read and blocks written to each device. Install iostat Run the following command: [root@app1 ~]# Read more…