System administrators, developers, and users need to work with text files, configuration files, and log files when working on Linux. Some of these files are large; some of them are small or medium. The data contained in these files frequently needs to be viewed, updated, or extracted. In this section, we will learn how to manage and manipulate text files on Linux.
- Title Page
- Copyright and Credits
- Dedication
- About Packt
- Contributors
- Preface
- Getting Started with CentOS 7
- Command-Line and Filesystem Navigation
- Managing Text Files
- User and Group Management
- Managing File Permissions
- Process Management
- Understanding processes
- Viewing current processes
- Listing running processes
- The ps command
- Displaying processes running from the current shell
- Displaying all processes by their user
- Displaying all processes in different formats
- Sorting processes based on different parameters
- Displaying processes by user
- Displaying process information by name
- Displaying process details by PID
- Displaying a process hierarchy in a tree style
- Displaying the child processes of a parent
- Displaying the thread of a process
- Displaying the pid of a process if the process name is known
- Using the pstree command
- The ps command
- Finding the PID of a running process
- Listing running processes
- Communicating with processes using signals
- Monitoring processes and load averages
- Managing a processes' priority with nice and renice
- Controlling jobs on the command line
- Summary
- Managing Networking in CentOS
- Linux networking concepts
- Using Linux networking commands
- Managing a network with nmcli
- Editing network configuration files
- Configuring hostnames and name resolutions
- Accessing remote logins with SSH
- Transferring files in Linux
- Summary
- Software Package Management
- Managing applications using RPM
- Managing applications using YUM
- Understanding the YUM package manager
- Using the YUM command line
- Finding an application using yum
- Installing applications using YUM
- Displaying packages and their information with YUM
- Removing applications using yum
- Updating applications and the system using yum
- Managing groups of applications using YUM
- Using YUM history
- Managing application repositories using YUM
- Handling other miscellaneous options of yum
- Managing official and third-party repositories
- Creating custom repositories
- Summary
- Overview of Essential Advance Utilities
- Understanding system logging
- Understanding how to control the system and services
- Understanding SELinux concepts
- Understanding firewall concepts in CentOS 7
- Summary
- Other Books You May Enjoy
Using text file manipulation tools
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