How To Check Red Hat Version Number
Quickly identify your Red Hat version by checking /etc/redhat-release. Learn the difference between versions, updates, and errata patches to keep your RHEL system secure and properly maintained.
Writing
Thoughts on technology, business, and the gap between them.
The 8 Email Blacklists You Should Actually Care About
Most email blacklists don't matter. Focus on these 8 critical lists—Spamhaus, CBL, XBL, SpamCop, PSBL, Invaluement, Barracuda, and SenderScore—that actually impact delivery to Gmail, Yahoo, and major providers.
Server Management Cost: What You’ll Actually Pay in 2025
Server management cost ranges from $50 to $1000+ monthly. Learn what drives pricing, how to evaluate providers, and what you should actually pay in 2025.
How To Stop WordPress Brute Force Attacks
WordPress’ popularity not only attracts bloggers but also hackers. Hackers try to compromise WordPress installations to send spam, setup phishing exploits or launch other attacks. While there are many sophisticated attacks against WordPress, hackers often use a simple brute force password attack. In these attacks, botnets try to guess your admin password.
15 Free Website Performance Testing Tools
Use these free, online website performance testing tools. Pagespeed testing, waterfall charts and more.
3 Quick Tweaks to Boost cPanel Performance [Video]
Use these 3 quick tweaks to boost cPanel performance. Learn how in this 2 minute video tutorial.
The 20 Best WordPress Security Tips on the Web
We've dug up 20 of the best WordPress Security tips from across the web. Follow these security tips to keep your wordpress secure.
cPanel Version Change is Blocked?
The cPanel disk space issues caused by a core dump have a nasty side effect of blocking cPanel updates.
3 DNS Records Every Email Marketer Must Know
Bad DNS settings can undermine your email marketing campaigns. Fix up your DNS records and improve email open rates with these DNS tips.
How to Remove Your IP from Yahoo Blacklist
Blacklisted by Yahoo? Learn how to diagnose email delivery issues, fix common problems like compromised accounts and cPanel configuration errors, and successfully request removal from Yahoo's blacklist using their bulk sender form.