服务常用命令

查询服务状态

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$ sudo systemctl status -l pkg-Docker-dockerd.service
● pkg-Docker-dockerd.service - Docker Application Container Engine
   Loaded: loaded (/usr/local/lib/systemd/system/pkg-Docker-dockerd.service; static; vendor preset: disabled)
   Active: active (running) since Mon 2025-06-16 01:06:55 CST; 8h ago
     Docs: https://docs.docker.com
 Main PID: 17391 (dockerd)
   Memory: 472.0M

从输出可以看得出配置文件路径: /usr/local/lib/systemd/system/pkg-Docker-dockerd.service

查询日志

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sudo journalctl -xe |grep docker

重启服务

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sudo systemctl restart pkg-Docker-dockerd.service

主要路径

/var/packages/Docker

常见问题

docker组件无法启动

  1. 查询服务状态，看看是否有报错
  2. 删除最后create的容器的subvolumes
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cd /volume1/@docker/btrfs/subvolumes
# 按最后修改日期排列
ls -lart

# 删除可疑文件夹, 如：082fee8f962d1fea5020c50dbab3b8b6c456bd26cdc12bb8f7d43d6cfc7f5c3c
HASH=082fee8f962d1fea5020c50dbab3b8b6c456bd26cdc12bb8f7d43d6cfc7f5c3c
btrfs subvolume delete $HASH
btrfs subvolume delete $HASH-init