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docker问题记录

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dogfei
发布2020-07-31 15:43:08
1.1K0
发布2020-07-31 15:43:08
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文章被收录于专栏:devops探索

修改docker的数据目录

方法一

修改/usr/lib/systemd/system/docker.service

代码语言:javascript
复制
cat /usr/lib/systemd/system/docker.service 

ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock --graph /data/docker

方法二

修改/etc/docker/daemon.json

代码语言:javascript
复制
vim /etc/docker/daemon.json
{
    "graph": "/data/docker"
}

修改完重启

代码语言:javascript
复制
systemctl daemon-reload
systemctl restart docker

制作镜像时报无法解析

Calculating upgrade… 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Err:1 http://mirrors.aliyun.com/debian stretch InRelease Temporary failure resolving ‘mirrors.aliyun.com’ Err:2 http://mirrors.aliyun.com/debian-security stretch/updates InRelease Temporary failure resolving ‘mirrors.aliyun.com’ Err:3 http://mirrors.aliyun.com/debian stretch-updates InRelease Temporary failure resolving ‘mirrors.aliyun.com’

解决办法:设置DNS

代码语言:javascript
复制
# cat /usr/lib/systemd/system/docker.service 
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
BindsTo=containerd.service
After=network-online.target firewalld.service containerd.service
Wants=network-online.target
Requires=docker.socket

[Service]
Type=notify
# the default is not to use systemd for cgroups because the delegate issues still
# exists and systemd currently does not support the cgroup feature set required
# for containers run by docker
EnvironmentFile=-/etc/default/docker    #添加这一行
ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
ExecReload=/bin/kill -s HUP $MAINPID
TimeoutSec=0
RestartSec=2
Restart=always

# Note that StartLimit* options were moved from "Service" to "Unit" in systemd 229.
# Both the old, and new location are accepted by systemd 229 and up, so using the old location
# to make them work for either version of systemd.
StartLimitBurst=3

# Note that StartLimitInterval was renamed to StartLimitIntervalSec in systemd 230.
# Both the old, and new name are accepted by systemd 230 and up, so using the old name to make
# this option work for either version of systemd.
StartLimitInterval=60s

# Having non-zero Limit*s causes performance problems due to accounting overhead
# in the kernel. We recommend using cgroups to do container-local accounting.
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity

# Comment TasksMax if your systemd version does not support it.
# Only systemd 226 and above support this option.
TasksMax=infinity

# set delegate yes so that systemd does not reset the cgroups of docker containers
Delegate=yes

# kill only the docker process, not all processes in the cgroup
KillMode=process

[Install]
WantedBy=multi-user.target

设置DNS

代码语言:javascript
复制
cat /etc/default/docker 
DOCKER_OPTS=”–dns 8.8.8.8 –dns 8.8.4.4″

重启docker

代码语言:javascript
复制
systemctl daemon-reload
systemctl restart docker
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原始发表:2019-12-06,如有侵权请联系 cloudcommunity@tencent.com 删除

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目录
  • 修改docker的数据目录
    • 方法一
    • 制作镜像时报无法解析
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