Linux Learning Roadmap
Operation and maintenance of learning needs is divided into four stages:
①linux primary entry
②linux Intermediate Advanced
③linux advanced upgrade
④ senior direction refinement.
The first stage: the initial entry
Linux fundamentals, basic commands (origin, composition, commonly used commands such as cp, ls, file, mkdir and other common operations command)
Linux users and privileges base
Linux system process management Advanced
Linux efficient text file processing commands (vim, grep, sed , awk, find command, etc.)
phase II: Advanced Intermediate (basic operation and maintenance)
Advanced Intermediate need in full knowledge of the principles and basic knowledge of linux, the upper layer applications and services in-depth study.
TCP / IP network infrastructure (almost CCNA, NP knowledge suffice)
Linux Enterprise common services (such as dns, http, ftp, mail, nfs , etc.)
Linux Enterprise security principles and Prevention Tips (performance / safety, security threat model and protection method
to encrypt / decrypt the principles and data security, access control and system services security infrastructure service
iptables security strategy to build
a shell script Advanced (mainly a combination of some applications, write some cases)
MySQL application of the principle and entry management (manage and build a personal blog sites)
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The third stage: advanced operation and maintenance
http proxy cache acceleration services (mainly learning varnish, nginx caching system, to understand the knowledge of the CDN.)
enterprise-class load clusters (mainly learning nginx, haproxy, lvs to master the main knowledge of the skilled, the load balancing algorithm clear understanding)
enterprise-class high-availability cluster (which requires keepalived, heartbeat and other in-depth explanation)
operation and maintenance monitoring zabbix Detailed (mainly zabbix, cacti, nagios and other monitoring systems, now used more is zabbix)
operation and maintenance of automation learning (need to learn some open source automation tools such as operation and maintenance ansible, puppet, cobbler and other operation and maintenance of automated tools)
phase IV: senior direction
Big Data direction (the need for hadoop, storm and other common open source big data system requires a deep understanding) cloud direction (mainly openstack this stuff, of course, as some kvm and other virtualization technology, but also need to know, now docker also more popular)
development of operation and maintenance (O & M primarily python developers)
automated operation and maintenance (before doing further automated basis)
operation and maintenance architect (mainly needs breadth, about almost 5 years or more experience, you can play this role)