How to recycle useless processes in Debian

This article describes how to effectively terminate useless processes in the Debian system, including processes that have crashed or no longer needed. The following methods are available:

Method 1: kill command

First, use ps aux | grep 进程名command to find the process ID (PID) of the target process. After the PID is found, use the kill PID command to terminate the process. If the process is unresponsive, use the stronger command kill -9 PID to force terminate.

Method 2: pkill command

The pkill command allows the process to be terminated based on the process name or other attributes. For example, pkill process_name terminates all processes named process_name . pkill -9 process_name forces these processes to be terminated.

Method 3: Interactive tool htop or top

htop and top commands provide a graphical interface to view the system processes, making it easier for users to directly terminate unnecessary processes.

Method 4: Graphic system monitor

Debian systems usually come with their own graphical system monitors (such as gnome-system-monitor) that can be used to view and manage processes.

Method 5: Automating scripts

In order to clean useless processes regularly, it is recommended to write a script to automatically execute the above commands.

Method 6: Systemd service management

For services that require automatic restart, you can configure the systemd service unit file and set appropriate restart policies.

Important: Before terminating any process, be sure to confirm its role to avoid accidental shutdown of critical system services. If you have any questions, please consult an experienced system administrator.

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