添加交换分区
sudo dd if=/dev/zero of=/swapfile bs=4M count=1024
sudo mkswap /swapfile
sudo swapon /swapfile
# 使系统开机时自启用,在文件/etc/fstab中添加一行:
/swapfile swap swap defaults 0 0
# 删除挂载点/临时交换分区
sudo swapoff /swapfile
sudo rm /swapfile
https://www.linuxidc.com/Linux/2018-09/153878.htm、https://blog.csdn.net/qq_16100041/article/details/78473720
docker 修改默认存储路径
1、查询dockcer默认存储路径
#docker info
查看 Docker Root Dir
2、停止docker服务
# systemctl stop docker
# systemctl stop docker.socket
# systemctl status docker
3、[endif]新建要存储的目录
#mkdir /docker_store
4、修改docker启动配置文件(/usr/lib/systemd/system/docker.service)
在文本内容ExecStart=/usr/bin/dockerd 后面添加如下内容: —graph
使得变成:
ExecStart=/usr/bin/dockerd —graph /docker —registry-mirror=https://registry.docker-cn.com
注:—registry-mirror=https://registry.docker-cn.com 是修改docker镜像地址
5、启动docker
# systemctl daemon-reload
# systemctl start docker
6、验证docker存储路径
#docker info