Docker是一種開源的容器化技術(shù)，它可以讓應(yīng)用程序在隔離的環(huán)境中運(yùn)行。Docker的使用非常普及，但是有時(shí)候我們也會(huì)遇到問題，比如卸載Docker時(shí)會(huì)出現(xiàn)報(bào)錯(cuò)。接下來，我們就來看看如何解決Docker卸載報(bào)錯(cuò)的問題。

$ sudo apt-get purge docker-ce
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
aufs-tools cgroupfs-mount containerd pigz
Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:
docker-ce*
0 upgraded, 0 newly installed, 1 to remove and 711 not upgraded.
After this operation, 1,845 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 47902 files and directories currently installed.)
Removing docker-ce (5:18.09.1~3-0~ubuntu-bionic) ...
Failed to stop docker.service: Unit docker.service not loaded.
dpkg: error processing package docker-ce (--purge):
 installed docker-ce package pre-removal script subprocess returned error exit status 5
dpkg: error while cleaning up:
 installed docker-ce package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 docker-ce
E: Sub-process /usr/bin/dpkg returned an error code (1)

我們可以看到，在運(yùn)行卸載命令時(shí)，Docker服務(wù)無法停止，導(dǎo)致報(bào)錯(cuò)。接下來，我們應(yīng)該如何進(jìn)行解決呢？

首先，我們需要檢查Docker服務(wù)是否正在運(yùn)行。可以使用以下命令進(jìn)行檢查：

$ sudo systemctl status docker

如果Docker服務(wù)正在運(yùn)行，我們需要停止它，可以使用以下命令：

$ sudo systemctl stop docker

現(xiàn)在再次運(yùn)行卸載命令，即可成功卸載Docker：

$ sudo apt-get purge docker-ce
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
aufs-tools cgroupfs-mount containerd pigz
Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:
docker-ce*
0 upgraded, 0 newly installed, 1 to remove and 711 not upgraded.
After this operation, 1,845 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 47902 files and directories currently installed.)
Removing docker-ce (5:18.09.1~3-0~ubuntu-bionic) ...
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
Processing triggers for systemd (237-3ubuntu10.39) ...

現(xiàn)在，我們已經(jīng)成功卸載了Docker。如果您還遇到其他問題，可以在Docker的官方文檔中尋找解決方案。