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This week, Jim helps you understand load averages and how to check resource consumption on a Linux server using the top, htop, or uptime commands.

Choose three KPIs — five max — for each employee role and zero in on making meaningful adjustments as needed. Here are a few key KPIs to watch.

For mission-critical VMs, VMware Fault Tolerance can minimize or eliminate downtime. See requirements and the difference between FT and HA.

Senior Systems Engineer Jim Taylor describes how to use whois and nslookup to check DNS records.

Application performance can often hinge on storage IOPS and throughput, which rate the speed and bandwidth of the storage respectively.

E-mail is an easy route for phishing, malware, and theft of confidential information. Maintain Exchange server security with this security checklist.

This past weekend the forums for Mint, a Linux distribution, got hacked, serving as a reminder that you should never reuse passwords on any website.

As data sets are updated, different encryption systems are introduced, and user access is modified, encryption key management becomes essential.

June 18, 2025

June 16, 2025

April 28, 2025

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