Topic

sysadmin

23 articles 2015 to 2024 23 how-tos

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The collection

Articles

2024

  1. Tidying Up Your Debian/Ubuntu With a upgrade and some casual Kernel Care How-to

2023

  1. A Deep Dive into Network Routing and NAT How-to
  2. Upgrading the Steam Deck SSD How-to
  3. The usage of the dd command in linux How-to
  4. A How-To Guide using IPtables to block bad actors How-to
  5. LetsEncrypt with with Traefik and AWS Route53 How-to
  6. LetsEncrypt with Traefik and Cloudflare How-to
  7. Automating Certificate Management with Certbot and Route53 How-to
  8. Using AppArmor to Restrict Access for any app in linux How-to
  9. Sending SSH Login Notifications to Slack Channel Using a Webhook How-to

2022

  1. Guide on Using Disk Tools in Linux How-to
  2. Update Multiple Cloudflare Zone Entries How-to
  3. Installing Cloudflared on Ubiquiti Edge Router 4 How-to
  4. Mastering the 'cat' Command and Multi-Line String Handling in Bash How-to

2021

  1. Port Forwarding in Different Network Scenarios How-to
  2. Tmux Techniques: From Manipulating Views to Persistent Sessions How-to
  3. Creating Custom Units and Managing User-specific Units How-to
  4. Managing and Troubleshooting systemd Units in Ubuntu How-to
  5. Mounting Drives in Ubuntu Using systemd How-to

2020

  1. Blocking Traffic by Country with iptables How-to

2015

  1. Navigating through Text with `grep`, `cut`, and `awk` How-to
  2. Vim: The Art of Finding and Deleting Lines How-to
  3. Linux `find`: Some Useful Examples and Practices How-to