Why Nagios Still Has My Heart (Even Though I Use Prometheus Now)
A retrospective on Nagios — the tool that taught me to understand servers, not just watch them. From one box in 2012 to a 5,000-server clust…
Operations
7 posts · All posts
Infrastructure Monitoring with Nagios
How to set up Nagios for server infrastructure monitoring, covering host and service checks, alert notifications, and SLA uptime tracking.…
New Relic
An overview of New Relic APM for monitoring application performance, setting up alerts, tracking response times, and meeting SLA targets in …
Shell Scripting Tuts
Shell scripting essentials for Linux sysadmins: VIM shortcuts, practical bash tips, and Unix command-line patterns that speed up day-to-day …
JIRA issue tracking.How to use JIRA?
Getting started with JIRA for issue tracking, sprint planning, and agile project management, covering boards, workflows, and backlog adminis…
TECHNICAL STUFF
Useful Linux command-line tricks for sysadmins: splitting PDFs with pdftk, converting file formats, and automating repetitive file operation…
RHCE Preparation, How to Prepare for Red Hat Certification.
Preparing for the RHCE exam: focusing on command-line tools, hands-on lab practice, and the practical skills Red Hat tests in the performanc…