How to fix fail2ban on Raspberry Pi OS
Today I flashed Raspberry Pi OS and noticed the default config of fail2ban is broken and in this short article I give you the quick fix.
Quickly find duplicate files on UNIX-like systems
Need to locate duplicate files while SSH'ing into a Linux server and don't have access to external tools? Discover how to effortlessly find duplicates using only your onboard tools, even on macOS. A simple command helps you quickly identify a handful of duplicates without breaking a sweat! 💻 🚀
How to fix Turris Omnia “Signature check failed”
The article discusses an issue with Turris Omnia routers where running "opkg update" results in a "Signature check failed. Remove wrong signature file" error. The problem is caused by incorrect repo URLs set by the latest medkit, which points to HBL instead of HBS.
Installing Linux Mint Debian Edition with Encryption and Btrfs subvolumes
Today, I'll show you how to manually install Linux Mint Debian Edition with encryption and Btrfs subvolumes using the expert installer option.
How to set up Certbot (Let’s Encrypt) with Cloudflare DNS
If you use Cloudflare DNS but don't want to use their proxy, this guide will show you how to make use of the Cloudflare DNS API to get your own certificate from Let's Encrypt using Certbot.
Install multiple versions of PHP on Mac
Today I'll show you how to install multiple versions of PHP on Mac.
Microsoft 365 Business: E-Mail is a mess
The only good thing Microsoft 365 does, is allowing the creation of subaccounts for free, to get separate mailboxes. I don't know any other provider that does this for free. But they fall short when it becomes a must because sending from an alias isn't possible.
Manually install obfs4proxy on Debian/Ubuntu
Compiling and installing obfs4proxy is effortless... if it wasn't for AppArmor, but there's an easy fix!
Don’t proxy these
If you want to send all your system's traffic through a proxy, that's great! But there are a few IP addresses and TLDs you probably don't want to direct to the proxy.
How to install Tor on Debian and Ubuntu
A quick guide on how to install Tor from the official Tor Project repositories.