Login
RackAID - Founder-led Technology Advisory

Writing

Thoughts on technology, business, and the gap between them.

Technical Services Archive August 10, 2019 3 min read

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.

Technical Services Archive January 3, 2019 8 min read

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.

Technical Services Archive December 1, 2017 5 min read

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.

Let's talk about what you need.

Tell me about your situation. If there's a fit, we'll schedule a call.

Start a Conversation