apt-get update error解决方法

本文解决Ubuntu更新时遇到的E: Could not get lock/var/lib/dpkg/ 错误,通过终止相关进程并解锁目录来解决。

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apt-get update error (Unable to lock the administration directory (/var/lib/dpkg/), is another proc)


root@ony-an:/opt/devstack# sudo $proxies apt-get update

Ign http://archive.ubuntu.com trusty InRelease
Hit http://archive.ubuntu.com trusty-updates InRelease
Hit http://archive.ubuntu.com trusty Release.gpg
Hit http://archive.ubuntu.com trusty-updates/main Sources
Hit http://archive.ubuntu.com trusty-updates/universe Sources
Hit http://archive.ubuntu.com trusty-updates/main amd64 Packages
Hit http://archive.ubuntu.com trusty-updates/universe amd64 Packages
Hit http://security.ubuntu.com trusty-security InRelease
Hit http://security.ubuntu.com trusty-security/main Sources
Hit http://archive.ubuntu.com trusty-updates/main Translation-en
Hit http://security.ubuntu.com trusty-security/universe Sources
Hit http://security.ubuntu.com trusty-security/main amd64 Packages
Hit http://archive.ubuntu.com trusty-updates/universe Translation-en
Hit http://security.ubuntu.com trusty-security/universe amd64 Packages
Hit http://security.ubuntu.com trusty-security/main Translation-en
Hit http://archive.ubuntu.com trusty Release
Hit http://security.ubuntu.com trusty-security/universe Translation-en
Hit http://archive.ubuntu.com trusty/main Sources
Hit http://archive.ubuntu.com trusty/universe Sources
Hit http://archive.ubuntu.com trusty/main amd64 Packages
Hit http://archive.ubuntu.com trusty/universe amd64 Packages
Hit http://archive.ubuntu.com trusty/main Translation-en
Hit http://archive.ubuntu.com trusty/universe Translation-en
Ign http://archive.ubuntu.com trusty/main Translation-en_US
Ign http://archive.ubuntu.com trusty/universe Translation-en_US




E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?

解决方案:


root@ony-an:/opt/devstack# ps aux | grep apt
root     14562  0.0  0.0  10460   936 pts/4    R+   07:12   0:00 grep --color=auto apt
[14]+  Killed                  apt-get upgrade
root@ony-an:/opt/devstack# kill -9 14562
-bash: kill: (14562) - No such process

root@ony-an:/opt/devstack# sudo rm /var/lib/apt/lists/lock

root@ony-an:/opt/devstack# sudo rm /var/cache/apt/archives/lock



### 解决 `apt-get update` 命令报错的综合方案 当在 Linux 系统下运行 `sudo apt-get update` 出现错误时,通常是因为锁文件被占用、网络连接问题或者软件源配置不当等原因引起的。以下是针对不同场景的具体解决方案。 #### 错误类型一:锁文件冲突 如果遇到类似于以下错误: ``` E: Could not get lock /var/lib/apt/lists/lock. It is held by process XXX. N: Be aware that removing the lock file is not a solution and may break your system. E: Unable to lock directory /var/lib/apt/lists/ ``` 可以尝试以下操作来解决问题: 1. **移除锁定文件** 使用命令删除 `/var/cache/apt/archives/lock` 和 `/var/lib/dpkg/lock` 文件。 ```bash sudo rm /var/cache/apt/archives/lock sudo rm /var/lib/dpkg/lock ``` 2. **重新初始化 dpkg 配置** 如果上述步骤未生效,则可以通过修复 dpkg 来完成进一步清理工作。 ```bash sudo dpkg --configure -a ``` 3. **再次执行更新指令** 清理完成后,重新运行 `sudo apt-get update` 进行系统更新[^3]。 --- #### 错误类型二:网络或镜像源问题 有时由于网络不稳定或默认镜像源不可用也会引发类似的错误提示。此时可考虑更换国内稳定镜像源(如阿里云、清华大学开源镜像站等),具体操作如下: 1. 打开并编辑 sources.list 文件: ```bash sudo nano /etc/apt/sources.list ``` 2. 替换原有内容为对应版本的国内镜像地址。例如对于 Ubuntu 18.04 可替换为: ``` deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse ``` 3. 更新软件包索引: ```bash sudo apt-get update ``` 通过更改至更稳定的镜像站点能够有效减少因网络原因造成的更新失败情况[^1]。 --- #### 错误类型三:其他未知异常 若以上两种方式均无法解决实际存在的问题,则需深入排查是否存在深层次矛盾点。比如某些特殊情况下可能需要重启 PackageKit 或者直接终止其进程后再继续下一步动作;又或者是手动调整部分参数设置等等[^2]。 最终建议始终遵循官方文档指导原则来进行维护管理活动,并定期备份重要数据以防万一发生意外状况影响正常使用体验[^4]。 ```python # 示例 Python 脚本用于自动化检测 APT 是否正常工作 import subprocess def check_apt_status(): try: result = subprocess.run(['sudo', 'apt-get', 'update'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) if result.returncode != 0: print("APT Update Failed:", result.stderr.decode()) else: print("APT Update Successful") except Exception as e: print(f"An error occurred: {e}") check_apt_status() ```
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