删除数据
[root@h103 ~]# ll /var/lib/docker
total 16
drwx------ 3 root root 77 Jan 19 17:37 containers
drwx------ 5 root root 50 Jan 19 17:37 devicemapper
drwx------ 5 root root 4096 Jan 19 17:37 graph
-rw-r--r-- 1 root root 5120 Jan 19 17:37 linkgraph.db
drwxr-x--- 3 root root 18 Jan 19 17:20 network
-rw------- 1 root root 110 Jan 19 17:37 repositories-devicemapper
drwx------ 2 root root 6 Jan 19 17:37 tmp
drwx------ 2 root root 6 Jan 19 17:20 trust
drwx------ 2 root root 6 Jan 19 17:20 volumes
[root@h103 ~]# du -sh /var/lib/docker
61M /var/lib/docker
[root@h103 ~]# rm -rf /var/lib/docker
[root@h103 ~]# du -sh /var/lib/docker
du: cannot access ‘/var/lib/docker’: No such file or directory
[root@h103 ~]# 复制
其它配置文件可以根据具体项目进行定位和清理
命令汇总
-
hostnamectl
-
yum update
-
tee /etc/yum.repos.d/docker.repo <<-'EOF'
-
cat /etc/yum.repos.d/docker.repo
-
yum install docker-engine
-
service docker start
-
systemctl status docker.service
-
rpm -qi systemd
-
docker run hello-world
-
curl -sSL https://get.docker.com/ | sh
-
cat /etc/yum.repos.d/docker-main.repo
-
usermod -aG docker cc
-
id cc
-
su - cc
-
docker run hello-world
-
systemctl enable docker.service
-
systemctl list-unit-files | grep docker
-
systemctl list-dependencies docker.service
-
cat /usr/lib/systemd/system/docker.service
-
cat /usr/lib/systemd/system/docker.socket
-
ll /var/run/docker.sock
-
systemctl enable docker.socket
-
yum list installed | grep docker
-
yum -y remove docker-engine.x86_64
-
rm -rf /var/lib/docker
附
systemctl用法小结
| CLI | COMMENT |
|---|---|
| systemctl is-enabled *.service | 查询服务是否开机启动 |
| systemctl enable *.service | 开机运行服务 |
| systemctl disable *.service | 取消开机运行 |
| systemctl start *.service | 启动服务 |
| systemctl stop *.service | 停止服务 |
| systemctl restart *.service | 重启服务 |
| systemctl reload *.service | 重新加载服务配置文件 |
| systemctl status *.service | 查询服务运行状态 |
| systemctl –failed | 显示启动失败的服务 |
| systemctl list-unit-files | 查看所有服务及开机启动状态 |
| systemctl list-dependencies *.service | 查看服务依赖 |
原文地址