A little introduction
I’m a Sysops/System Administrator working for Kinsta Inc (managed WordPress Hosting) and I handle server maintenance and resolve downtime issues. I work with system automation using Ansible and Bash scripting to get things done automatically!
I also love to tweak and create some Linux stuff like using Bash script to automate things using Ansible and playing with containers like LXD/LXC.
Currently, you can find me working for Kinsta (A Linux based platform Managed WordPress hosting) as a sysops engineer. I was also a support engineer in Kinsta for 1 year and 6 months.
I am from Bacolod City, Philippines and I love to spend my time with my family and video games when I am not working.
A little introduction
I’m a Sysops/System Administrator working for Kinsta Inc (managed WordPress Hosting) and I handle server maintenance and resolve downtime issues. I work with system automation using Ansible and Bash scripting to get things done automatically!
I also love to tweak and create some Linux stuff like using Bash script to automate things using Ansible and playing with containers like LXD/LXC.
Currently, you can find me working for Kinsta (A Linux based platform Managed WordPress hosting) as a sysops engineer. I was also a support engineer in Kinsta for 1 year and 6 months.
I am from Bacolod City, Philippines and I love to spend my time with my family and video games when I am not working.
Latest articles:
Nginx Reverse Proxy + IPTables (part 1)
This is an example of nginx reverse proxy that connects to an LXD server then connects to an LXC container. Server 1 (LB IP address 192.168.50.27) nginx configuration and mytest.com is the localhost Server 2 (LXD IP address 192.168.50.75) Setting up iptables to...
Linux Iptables Cheat Sheet #1
Port forwarding from localhost/loopback iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-ports 8080 iptables -t nat -I OUTPUT -p tcp -o lo --dport 80 -j REDIRECT --to-ports 8080 Screenshot below shows that the web server from localhost/loopback is...
Limit user maximum number of processes using limits.conf
This is how to limit the maximum number of processes for a a specific user or groups in linux. Scripts to perform this testing. loop.sh #! /bin/bash x=1 while [ $x -le $1 ] do echo "Running timer.sh $x times"; /home/ubuntu/private/timer.sh $1& x=$(( $x + 1 ))...
Tech skills:
WordPress
- WP-CLI (search replace, plugin maangement and more)
- Error debugging (tracing error 500 and WSOD)
WordPress Plugins
Creating basic WordPress plugins using PHP procedural method with Javascript, jQuery CSS and HTML
Linux Bash Scripting
Automates tasks using bash scripting. You can see my projects https://johnmark.me/project_category/linux/ using bash scripting.
LXD/LXC
Knowledge and experience using LXD/LXC containerization technology. See my project here that uses LXD/LXC to host multiple sites in a single IP that links to Cloudflare DNS Subdomain
Ansbile
Automate and deploying tasks to multiple hosts using Ansible. You can see my project here where I can deploy changes like php.ini and fastcgi caching to multiple hosts.
WordPress
- WP-CLI (search replace, plugin maangement and more)
- Error debugging (tracing error 500 and WSOD)
WordPress
- WP-CLI (search replace, plugin management and more)
- Error debugging (tracing error 500 and WSOD)
- Designs/Layouts/Templates
- Divi professional
- PHP Plugin creator (procedural). See my works here..
- WordPress site configuration/debugging
- Migration
- Malware removal
- Multisite configuration/debugging
Divi
I worked for Elegant Themes (Divi) for 2 years and 8 months as tech support so I know how Divi works, layout designs, css, and javascript/jQuery customization.
Javascript/jQuery
- Basic Javascript and jQuery customization for site requirements (search and replace elements)
- WordPress admin ajax with jQuery/Javascript implementation
HTML & CSS
- Site creating and customization using HTML and CSS
- Customize site theme issue using CSS (display block, fixing margins, padding, z-index)
Latest projects:
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Do you want to see more? See my project page here.