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@ -99,6 +99,48 @@ chmod 777 docker-tags
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./docker-tags ubuntu
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```
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## Docker 修改镜像源
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```shell
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# 第一步:新建或编辑daemon.json
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vim /etc/docker/daemon.json
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# 第二步:daemon.json中编辑如下
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{
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"registry-mirrors": [
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"https://docker.m.daocloud.io",
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"https://docker.imgdb.de",
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"https://docker-0.unsee.tech",
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"https://docker.hlmirror.com",
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"https://docker.1ms.run",
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"https://cjie.eu.org",
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"https://func.ink",
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"https://lispy.org",
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"https://docker.xiaogenban1993.com"
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]
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}
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# 第三步:重启docker
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systemctl restart docker.service
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# 第四步:执行docker info查看是否修改成功
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docker info
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# Registry Mirrors:
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# https://docker.m.daocloud.io/
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# https://docker.imgdb.de/
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# https://docker-0.unsee.tech/
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# https://docker.hlmirror.com/
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# https://docker.1ms.run/
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# https://cjie.eu.org/
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# https://func.ink/
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# https://lispy.org/
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# https://docker.xiaogenban1993.com/
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```
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## Docker 镜像操作
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### 安装镜像
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@ -238,6 +280,44 @@ ll python-snapshot.tar
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docker import python-snapshot.tar python-snapshot:latest
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```
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## Docker 容器迁移
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### 导出容器镜像
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A 服务器上
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```shell
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docker commit container_name new_image_name
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docker save new_image_name > image.tar
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```
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### 导入容器镜像
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迁移到 B 服务器上
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```shell
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docker load < image.tar
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```
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### **检查容器[数据卷](https://zhida.zhihu.com/search?content_id=249112174&content_type=Article&match_order=1&q=数据卷&zhida_source=entity)**
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重点查看容器是否有数据卷。使用 `docker inspect` 检查 `Mounts` 部分,确认数据卷绑定信息:
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```json
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"Mounts": [
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{
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"Type": "bind",
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"Source": "/path/on/host",
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"Destination": "/path/in/container",
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"Mode": "rw",
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"RW": true,
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"Propagation": "rprivate"
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}
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]
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```
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将A服务器宿主机的目录备份到B服务器上
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## Docker 容器与宿主机时间不同步
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@ -784,7 +864,7 @@ ps aux | grep "nginx: worker process" | awk '{print $1}'
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mkdir /etc/sqlserver_data
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chmod -R 777 /etc/sqlserver_data
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docker pull mcr.microsoft.com/mssql/server
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docker run -e "ACCEPT_EULA=Y" -e "MSSQL_SA_PASSWORD=Wyd210213" -p 1433:1433 --memory 2000M --name sqlserver2022 -v /etc/sqlserver_data:/var/opt/mssql -d mcr.microsoft.com/mssql/server
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docker run -e "ACCEPT_EULA=Y" -e "MSSQL_SA_PASSWORD=Wyd210213" -p 1433:1433 --memory 2000M --name sqlserver2022 --restart=always -v /etc/sqlserver_data:/var/opt/mssql -d mcr.microsoft.com/mssql/server
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```
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## Docker 安装 PostgreSQL
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@ -792,6 +872,9 @@ docker run -e "ACCEPT_EULA=Y" -e "MSSQL_SA_PASSWORD=Wyd210213" -p 1433:1433 --me
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```shell
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docker pull postgres:latest
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docker run -d --name=pgsql -p 5432:5432 -e POSTGRES_PASSWORD=Wyd210213 postgres:latest
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docker run -d -p 15432:5432 --name postgres16 --restart=always -v /usr/local/docker/postgres16/pgdata:/var/lib/postgresql/data -e POSTGRES_PASSWORD=Wyd210213 postgres:16.8
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```
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## Docker 安装 MySQL 8
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@ -836,7 +919,24 @@ docker run \
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--lower_case_table_names=1
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```
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进入容器内 登录mysql
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```shell
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docker exec -it mysql57 /bin/bash
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mysql -uroot -p
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# 若出现 mysql: [Warning] World-writable config file '/etc/mysql/my.cnf' is ignored.
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# 查看 /etc/mysql/my.cnf 文件权限
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ls -l /etc/mysql/my.cnf
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# 如果看到以下输出
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# -rwxrwxrwx 1 root root 1234 Jan 1 00:00 /etc/mysql/my.cnf
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# 那么说明该配置文件确实是对所有人开放了读、写和执行权利。
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# 接着我们需要修改这个文件的权限,使其只有root用户有读写权,其他用户只有读的权限:
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chmod 644 /etc/mysql/my.cnf
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# 再次使用 ls -l命令查看'/etc/mysql/my.cnf'的权限
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ls -l /etc/mysql/my.cnf
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# 看到以下输出,则修改成功
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# -rw-r--r-- 1 root root 1234 Jan 1 00:00 /etc/mysql/my.cnf
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```
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## Docker 安装 Redis 7
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@ -1186,6 +1186,8 @@ sysctl vm.swappiness=60
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vim /etc/sysctl.conf
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# 编辑这行
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vm.swappiness=60
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# 应用更改
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sysctl -p
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```
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## 升级内核
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