Summary of Operation and Maintenance Knowledge System

• Linux basics
  • Basic standing simple commands x
  • Linux file attributes x
  • Linux timing tasks x
  • Linux wildcards and special symbols x
  • Regular expressions and the Three Musketeers x
  • User management and file permissions x
  • Disk Management x
  • Terminal text editing tool x
  • RPM package management tool x
  • Compressed and packed backup x
  • systemctl x
  • Process management x
  • Network management x
  • System Management x
  • Software installation method x
  • wget and curl x
  • Internet speed disk read and write speed
  • CentOS7 installation
  • Log management /var/log/messages journalctl x
  • Process running in background
  • System base optimization x
  • Kernel parameter optimization x
  • Character set x
• core services
  • Linux time synchronization x
  • send email
  • ssh password-free login, automatically enter the password to log in x
  • VPN x
  • File sharing Various solutions for copying files across machines
  • nginx x
  • apache httpd
  • haproxy
  • keepalived
  • tomcat
  • Operating environment (PHP Python Java C C++)
  • redis x
  • github
  • maven
  • ElasticSearch log collection
  • gitlab code storage is equivalent to github
  • jenkins code to build ci
  • zabbix monitoring system prometheus
  • ansible configuration management large-scale cluster management saltstack puppet pssh x
• Big Data
  • Hadoop ecosystem (HDFS, Hive, Hbase, Zookeeper, Pig, Spark, Impala, Kudu)
• Virtualization and cloud computing
  • docker x
  • governors
  • OpenStack
  • harbor
  • nexus x
  • sqm
  • Public Cloud Alibaba Cloud AWS Tencent Cloud
• shell script x
• database
  • MySQL x
  • SQLite
  • PostgreSQL
• Programming language
  • python x
  • java
• others
  • VirtualBox install macOS x
  • Win10 embedded linux (WSL)
  • vitural box command line use
  • Commonly used terminal tools xshell ZenTermLite mobaxterm
  • How to manage DP deployment scripts for different version management
  • Mac OS X common commands x
  • yum offline installation warehouse nexus x
  • confluence jira x
  • http protocol x
  • 7-layer network model x