Commonly Used Advanced Linux Commands
Note: All commands to be run as root user unless otherwise specified. This is my go to cheat sheet for fast complex commands for troubleshooting servers …
XCP-ng Windows Agent Install Troubleshooting
So I tried to install XCP-ng Windows PV Tools 8.2.2.200-RC1 on a windows vm and got a blue screen of death. I then found a github …
Migrate a Vultr instance to XCP NG
So today I migrated a linux VM from vultr to an internal xcp-ng box. We used clonezilla to store the image to a wasabi bucket. Then …
Recovering from Partially deleted /var on Centos
We had someone do a rm -Rf /var instead of rm -Rf var inside a project folder. If your reading this, you probably know the pain. …
Recovering from Partially deleted /var on Centos Read More »
mathias-kettner.de “could not be resolved”
So we use check_mk pretty extensively for all of our servers for health monitoring. Today we added a brand new bare metal centos 7 minimal install …
check_mk qmail-stat not working with plesk
I saw the check_mk added the ability to monitor the qmail mail queue, so I wanted to get that setup on a few plesk servers. The …
Shell Script to Optimize all tables for a database
This shell script finds all the tables for a database and run a command against it. See File optimize-tables The file’s contents are below as well: …
Shell Script to Optimize all tables for a database Read More »
Convert any dedicated machine into a xen hypervisor
Important Note: Since these were Rackspace servers – the default repository that they connect to does not have the xen kernel packages and xen software …
Convert any dedicated machine into a xen hypervisor Read More »
Install APF Firewall
Install iptables (Hopefully, you’ve done this already) # yum install iptables* -y Download, unpack, install of APF from source: # cd /usr/local/src # wget http://www.rfxn.com/downloads/apf-current.tar.gz …
Mysql Cluster Community Edition 7.1
This week, I’ve set up mysql cluster on virtual machines to do some benchmarking and testing against performance. For the basis I have implemented the steps …