90 lines
4.0 KiB
Markdown
90 lines
4.0 KiB
Markdown
# Docker 通用命令
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**列出所有docker**
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```bash
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docker ps -a
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```
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如果容器未运行，可以使用以下命令启动容器
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```bash
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docker start <container_id>
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docker start debb6bd216a8
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CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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34d26e83c2ac ydlhero/chatgpt-web-midjourney-proxy "docker-entrypoint.s…" 9 days ago Exited (255) 13 minutes ago 0.0.0.0:5001->3002/tcp, :::5001->3002/tcp chatgpt-web-midjourney-proxy
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debb6bd216a8 searxng/searxng:latest "/sbin/tini -- /usr/…" 4 weeks ago Exited (255) 13 minutes ago 0.0.0.0:8180->8080/tcp, :::8180->8080/tcp searxng
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2c857f837c2d 172cf94aa79c "docker-entrypoint.s…" 4 weeks ago Exited (1) 9 days ago root-gptweb-1
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3c720c877d7f valkey/valkey:7-alpine "docker-entrypoint.s…" 3 months ago Up 13 minutes 6379/tcp redis
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d142bc67f5d6 dpage/pgadmin4 "/entrypoint.sh" 4 months ago Up 13 minutes 443/tcp, 0.0.0.0:5050->80/tcp, :::5050->80/tcp dk_pgadmin-pgadmin-1
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657335d5f8e8 vaultwarden/server:latest "/start.sh" 4 months ago Up 13 minutes (healthy) 0.0.0.0:3012->3012/tcp, :::3012->3012/tcp, 0.0.0.0:8002->80/tcp, :::8002->80/tcp dk_vaultwarden-vaultwarden-1
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0bad8432aaf3 mariadb:10.6 "docker-entrypoint.s…" 4 months ago Up 13 minutes 3306/tcp mariadb_server
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811eb9e1989b phpmyadmin "/docker-entrypoint.…" 4 months ago Up 13 minutes 0.0.0.0:8080->80/tcp dk_phpmyadmin-phpmyadmin-1
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e432f020462a mysql:8.0 "docker-entrypoint.s…" 4 months ago Up 13 minutes 0.0.0.0:39709->3306/tcp, 0.0.0.0:39710->33060/tcp dk_wordpress-db-1
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```
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**进入容器终端**
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```bash
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docker exec -it <容器名称或ID> /bin/bash
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docker exec -it 657335d5f8e894ca2463f2f5e9731070be5b0bd2673aa08285e0cd86b3772a8f /bin/bash
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```
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**修改配置**
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vim .env
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查看文本，cat filname.txt
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cat .env
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**重启容器**
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```bash
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docker restart <容器名称或ID>
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```
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---
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docker update --cpus=2.0 my_container
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这里my_container是你想要修改的容器的名称或ID，--cpus=2.0是你想要设置的CPU限制。
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docker update --env MY_VAR=new_value my_container
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请注意，docker update命令不能修改容器的重要部分，如其镜像或命令行参数。如果你需要更改这些内容，你必须使用docker commit来提交更改，并基于新的镜像重新创建容器。
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docker update -e SIGNUPS_ALLOWED="false" 657335d5f8e894ca2463f2f5e9731070be5b0bd2673aa08285e0cd86b3772a8f
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docker exec -e "SIGNUPS_ALLOWED=false" 657335d5f8e894ca2463f2f5e9731070be5b0bd2673aa08285e0cd86b3772a8f /bin/sh
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---
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**修改容器的ENV:**
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1. service docker stop
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2. 修改/var/lib/docker/containers/[container-id]/config.v2.json里对应的环境变量
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3. 然后service docker start。
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4. 查看效果： docker exec -it [container-id] env
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---
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1. 查看当前容器的env
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docker inspect <container_id>
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docker inspect 657335d5f8e894ca2463f2f5e9731070be5b0bd2673aa08285e0cd86b3772a8f
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2. 修改容器的env
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进入容器内部：
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docker exec -it <container_id> bash
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docker exec -it 657335d5f8e894ca2463f2f5e9731070be5b0bd2673aa08285e0cd86b3772a8f bash
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3. 使用export命令来修改环境变量，
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export MY_ENV_VAR=myvalue
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export SIGNUPS_ALLOWED=false
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4. 验证修改结果
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echo $MY_ENV_VAR
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echo $SIGNUPS_ALLOWED
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5. 退出bush
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exit
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