August 8, 2026
ARPHost
How to Set Up SSH Keys the Right Way in 2026
You're probably here because a server is working fine right now, and you don't want the next change to turn…
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Latest news, tutorials, and updates from ARPHost
July 21, 2026
ARPHost
Firewall Configuration a Practical Step-by-Step Guide
Misconfigured firewalls still cause avoidable exposure on otherwise well-run systems. The pattern is familiar. A Linux host gets hardened, a…
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April 25, 2026
ARPHost
Secure Remote Access Code: Essential Best Practices
A production host goes sideways after hours. A developer needs shell access, a vendor says they can fix the issue…
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March 26, 2026
ARPHost
Your Expert Guide to a Linux Dedicated Server
So, what exactly is a Linux dedicated server? Think of it like this: shared hosting is like living in an…
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March 24, 2026
ARPHost
How to Check If a Port Is Open in Linux: A SysAdmin’s Guide
Knowing how to check if a port is open on a Linux server is a fundamental skill for any system…
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March 14, 2026
ARPHost
The Ultimate Guide to Dedicated Linux Servers: Performance, Security, and Scalability
Ever feel like your website is stuck in traffic? You’re sharing a digital road with countless others, and every time…
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March 4, 2026
ARPHost
A Guide to Ubuntu Firewall Allow Port with UFW
So, you need to open a port on your Ubuntu server. The quick answer is the sudo ufw allow <port>/<protocol>…
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March 1, 2026
ARPHost
A Practical Guide on How to Find Port Number
Knowing how to find port number isn't just a textbook exercise; it's a fundamental skill for anyone managing modern IT…
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January 30, 2026
ARPHost
How to Reset MySQL Root Password: A Complete Guide
It happens to the best of us. You get locked out of your MySQL or MariaDB database, and suddenly, everything…
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December 16, 2025
ARPHost
How to Configure an SSL Certificate on Apache, Nginx, and Proxmox VE
Configuring an SSL certificate involves three core technical steps: generating a Certificate Signing Request (CSR), obtaining the certificate files from…
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