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Commonly Used Advanced Linux Commands

July 2, 2020 November 5, 2020 / Linux

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 …

Commonly Used Advanced Linux Commands Read More »

XCP-ng Windows Agent Install Troubleshooting

June 18, 2020 November 5, 2020 / Linux

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 …

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Migrate a Vultr instance to XCP NG

January 31, 2020 November 5, 2020 / Linux

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 …

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Recovering from Partially deleted /var on Centos

July 18, 2019 November 5, 2020 / Linux

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. …

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mathias-kettner.de “could not be resolved”

June 29, 2015 June 29, 2015 / Linux

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 …

mathias-kettner.de “could not be resolved” Read More »

check_mk qmail-stat not working with plesk

January 26, 2015 January 26, 2015 / Linux, 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 …

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Shell Script to Optimize all tables for a database

February 16, 2012 February 16, 2012 / Linux, MySQL

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: …

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Convert any dedicated machine into a xen hypervisor

February 16, 2012 February 16, 2012 / Linux

  Important Note: Since these were Rackspace servers – the default repository that they connect to does not have the xen kernel packages and xen software …

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Install APF Firewall

February 16, 2012 February 16, 2012 / Linux, Security

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 …

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Mysql Cluster Community Edition 7.1

March 20, 2011 March 20, 2011 / Linux

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 …

Mysql Cluster Community Edition 7.1 Read More »

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