linux没有垃圾产生,但是会有一些无用的软件缓存文件,其删除缓存的方法是:1、通过“sudo apt-get autoclean”命令清理旧版本的软件缓存;2、通过“sudo apt-get clean”命令清理所有软件缓存;3、通过“sudo apt-get autoremove”命令删除系统不再使用的孤立软件。
本教程操作环境:linux5.9.8系统、Dell G3电脑。
linux有垃圾产生吗?
没有。
linux和windows系统不同,linux不会产生无用垃圾文件,但是在升级缓存中,linux不会自动删除这些文件,还是很占硬盘的!
一、删除缓存
1,非常有用的清理命令:
sudo apt-get autoclean 清理旧版本的软件缓存 sudo apt-get clean 清理所有软件缓存 sudo apt-get autoremove 删除系统不再使用的孤立软件
这三个命令主要清理升级缓存以及无用包的。
2,清理opera firefox的缓存文件:
ls ~/.opera/cache4 ls ~/.mozilla/firefox/*.default/Cache
3,清理Linux下孤立的包:
终端命令下我们可以用:
sudo apt-get install deborphan -y
4,卸载:tracker
这个东西一般我只要安装ubuntu就会第一删掉tracker 他不仅会产生大量的cache文件而且还会影响开机速度。再软件中心删除。
附录:
包管理的临时文件目录:
包在
/var/cache/apt/archives
没有下载完的在
/var/cache/apt/archives/partial
二、删除软件
ubuntu软件的删除一般用“ubuntu软件中心”或“新立得”就能搞定,但有时用命令似乎更快更好~~
sudo apt-get remove --purge 软件名 sudo apt-get autoremove 删除系统不再使用的孤立软件 sudo apt-get autoclean 清理旧版本的软件缓存 dpkg -l |grep ^rc|awk '{print $2}' |sudo xargs dpkg -P 清除残余的配置文件
保证干净。
三、删除多余内核
1,首先要使用这个命令查看当前Ubuntu系统使用的内核
uname -a
2,再查看所有内核
dpkg --get-selections|grep linux
3,最后小心翼翼地删除吧
sudo apt-get remove linux-image-2.6.32-22-generic
ps:linux-image-xxxxxx-generic 就是要删除的内核版本
还有
linux-headers-xxxxxx
linux-headers-xxxxxx-generic 总之中间有“xxxxxx”那段的旧内核都能删,注意一般选内核号较小的删
相关推荐:《Linux视频教程》
The above is the detailed content of Does Linux generate garbage?. For more information, please follow other related articles on the PHP Chinese website!

The five core components of the Linux operating system are: 1. Kernel, 2. System libraries, 3. System tools, 4. System services, 5. File system. These components work together to ensure the stable and efficient operation of the system, and together form a powerful and flexible operating system.

The five core elements of Linux are: 1. Kernel, 2. Command line interface, 3. File system, 4. Package management, 5. Community and open source. Together, these elements define the nature and functionality of Linux.

Linux user management and security can be achieved through the following steps: 1. Create users and groups, using commands such as sudouseradd-m-gdevelopers-s/bin/bashjohn. 2. Bulkly create users and set password policies, using the for loop and chpasswd commands. 3. Check and fix common errors, home directory and shell settings. 4. Implement best practices such as strong cryptographic policies, regular audits and the principle of minimum authority. 5. Optimize performance, use sudo and adjust PAM module configuration. Through these methods, users can be effectively managed and system security can be improved.

The core operations of Linux file system and process management include file system management and process control. 1) File system operations include creating, deleting, copying and moving files or directories, using commands such as mkdir, rmdir, cp and mv. 2) Process management involves starting, monitoring and killing processes, using commands such as ./my_script.sh&, top and kill.

Shell scripts are powerful tools for automated execution of commands in Linux systems. 1) The shell script executes commands line by line through the interpreter to process variable substitution and conditional judgment. 2) The basic usage includes backup operations, such as using the tar command to back up the directory. 3) Advanced usage involves the use of functions and case statements to manage services. 4) Debugging skills include using set-x to enable debugging mode and set-e to exit when the command fails. 5) Performance optimization is recommended to avoid subshells, use arrays and optimization loops.

Linux is a Unix-based multi-user, multi-tasking operating system that emphasizes simplicity, modularity and openness. Its core functions include: file system: organized in a tree structure, supports multiple file systems such as ext4, XFS, Btrfs, and use df-T to view file system types. Process management: View the process through the ps command, manage the process using PID, involving priority settings and signal processing. Network configuration: Flexible setting of IP addresses and managing network services, and use sudoipaddradd to configure IP. These features are applied in real-life operations through basic commands and advanced script automation, improving efficiency and reducing errors.

The methods to enter Linux maintenance mode include: 1. Edit the GRUB configuration file, add "single" or "1" parameters and update the GRUB configuration; 2. Edit the startup parameters in the GRUB menu, add "single" or "1". Exit maintenance mode only requires restarting the system. With these steps, you can quickly enter maintenance mode when needed and exit safely, ensuring system stability and security.

The core components of Linux include kernel, shell, file system, process management and memory management. 1) Kernel management system resources, 2) shell provides user interaction interface, 3) file system supports multiple formats, 4) Process management is implemented through system calls such as fork, and 5) memory management uses virtual memory technology.


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

EditPlus Chinese cracked version
Small size, syntax highlighting, does not support code prompt function

SublimeText3 English version
Recommended: Win version, supports code prompts!

MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

SublimeText3 Linux new version
SublimeText3 Linux latest version

SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
