This will be the first video in a series of Linux videos and in it, I am going over 6 reasons to switch to Linux and 1 big reason not to. Many people ask “Why should I switch to Linux from Windows?” and in the video below I break it down for you. Why should […]
Optimizing Apache Memory Usage using mpm prefork
This guide goes over optimizing apache memory usage by configuring mpm prefork module to the best values for your server. Afterword, you should notice substantial increases in performance especially if you are using free micro instances from Google Cloud or AWS. Commands used: Check Apache Memory usage ps -ylC apache2 –sort:rss | awk ‘{sum+=$8; ++n} END {print […]
Issuing SSL Certs using Let’s Encrypt in Ubuntu
This Video goes over Issuing SSL Certs using Let’s Encrypt in Ubuntu 16.04. The basic steps outlined in the video are adding the repository, installing certbot, issuing a certificate, and enabling SSL. Links Let’s Encrypt @ https://letsencrypt.org/ Certbot @ https://certbot.eff.org/ Command List for Issuing SSL Certs sudo apt-get update sudo apt-get install software-properties-common -y sudo […]
Installing Linux Subsystem for Windows 10
The following video goes over installing Linux Subsystem on Windows 10. Most notably it allows you to run Linux terminal commands in Windows 10 without having a virtual machine or dual boot into a Linux operating system. Enable Linux Subsystem Feature cd ~ Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Windows-Subsystem-Linux Note: Perform in PowerShell PowerShell Installation Method Invoke-WebRequest […]
Setup an always on VPN in Ubuntu
This is a guide on how to set up an always on VPN in Ubuntu, and basic troubleshooting of VPNs in ubuntu server. I used Private Internet Access as an example VPN connection. Use my affiliate link to get a Private Internet Access VPN: http://www.privateinternetaccess.com/pages/buy-vpn/christitus. This is a must-have for a dedicated Linux box specifically […]
Report Nvidia-smi Temperature to Nagios
Here is a custom script that reports the nvidia-smi temperature of the Nvidia cards in your system using NRPE. Conversely, NRPE performs much better than NCPA and my protocol of choice. *Note: Install NRPE to your Linux box first, and create this file (gpu_temp.sh) in your /usr/lib/nagios/plugins directory for Nagios Core 4+ Nagios NRPE Query Command check_nrpe!gpu_temp.sh […]