Article directory
1. User Management
1. Users and User Groups
2. Account Management
- Add and delete users and groups; check user information
- Switch user information, execute as another user
- Routine task management: periodically execute tasks
2. Document Management
- File and directory management, related operations, file timestamps
- File and Directory Permissions
- Find files: find, locate, which
- File compression and packaging
3. File system
- File System Introduction
- Disk partition, create file system, mount
- logical volume
- Soft Links and Hard Links
4. Character processing
- pipeline
- grep search text
- sort sort
- uniq removes duplicates
- tr does text conversion
- paste to do text merge
- split splits large files
5. Network Management
- Network interface configuration: configure the network card, use ifconfig to check, and write the IP configuration information into the configuration file
- Routing and gateway configuration
- DNS client configuration: /etc/hosts, /etc/resolv.conf
- Network testing tools: ping, host, traceroute
6. Process management
- Process introduction, the difference between process and thread
- Process observation: ps, top
- Process termination: kill, killall
- Query the files opened by the process: lsof
- Process priority adjustment: nice, renice
7. Software installation
- Source package compilation and installation
- RPM installation software: rpm management commands, package dependencies, installation of gcc, apache
- Yum installation software: yum command, self-built local, network yum source
- Rebuild the RPM package
8. vi and vim editors
- Introduction to vi and vim editors
- vi editor: mode introduction
- vim editor: multi-line editing, multi-file editing
- gedit editor
9. Regular expressions
- Regular expressions: introduction to regular expressions, basic regular expressions, extended regular expressions, wildcards
- Text processing tool: sed
- Text processing tool: awk