Essential Ops Learning Roadmap: Master CentOS, Linux Services, and Monitoring Tools
This article outlines a practical operations learning path, comparing CentOS 6 and 7, recommending foundational skills across OS, web services, databases, load balancing, caching, NoSQL, storage, version control, monitoring, and scripting to help engineers stay current and effective.
The author shares a personal operations (运维) learning roadmap, noting that some once‑considered advanced technologies have become obsolete while new tools emerge, prompting a focused effort to update one’s knowledge.
Operating System: Transition from CentOS 6 to CentOS 7 introduces significant command and filesystem changes; the recommendation is to solidify fundamentals on CentOS 6 before moving to CentOS 7.
Key foundational components to master include:
Operating System: CentOS 6 series (familiarity with ~105 commands)
Web services: nginx, Apache, PHP, Tomcat
Database: MySQL
Load balancing & high availability: LVS, Keepalived, HAProxy, nginx
Web caching: Squid, nginx
NoSQL stores: Redis, Memcached
Storage: NFS
Version control: SVN
Monitoring & alerting: Zabbix
File synchronization: scp, rsync, inotify
Firewall: iptables
Testing tools: ab, Webbench
Bandwidth testing: Smokeping
Log management: rsyslog
Unattended installation: Kickstart
Package installation: rpm, yum, tar
Scripting language: Shell
The author concludes with encouragement to stay diligent and keep improving.
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MaGe Linux Operations
Founded in 2009, MaGe Education is a top Chinese high‑end IT training brand. Its graduates earn 12K+ RMB salaries, and the school has trained tens of thousands of students. It offers high‑pay courses in Linux cloud operations, Python full‑stack, automation, data analysis, AI, and Go high‑concurrency architecture. Thanks to quality courses and a solid reputation, it has talent partnerships with numerous internet firms.
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