informatica:linux:docker
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informatica:linux:docker [2019/10/11 08:33] – javi | informatica:linux:docker [2022/06/09 09:18] – jose | ||
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sudo service docker restart | sudo service docker restart | ||
+ | |||
+ | ===== Habilitar debug ===== | ||
+ | |||
+ | https:// | ||
+ | |||
+ | 1. Editar: | ||
+ | |||
+ | sudo vim / | ||
+ | |||
+ | Y añadir: | ||
+ | |||
+ | < | ||
+ | { | ||
+ | " | ||
+ | } | ||
+ | </ | ||
+ | |||
+ | 2. Recargar el servicio: | ||
+ | |||
+ | sudo kill -SIGHUP $(pidof dockerd) | ||
+ | | ||
+ | 3. Ver logs | ||
+ | |||
+ | sudo tail -F / | ||
+ | | ||
+ | |||
+ | |||
====== Ejecutar como no root ====== | ====== Ejecutar como no root ====== | ||
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====== Cambiar politica de reinicio de contenedor ====== | ====== Cambiar politica de reinicio de contenedor ====== | ||
+ | https:// | ||
+ | |||
+ | Miramos que política tiene: | ||
+ | docker inspect container_name| jq -r ' | ||
+ | < | ||
+ | { | ||
+ | " | ||
+ | " | ||
+ | } | ||
+ | </ | ||
+ | |||
+ | ^Flag^Description^ | ||
+ | |no|Do not automatically restart the container. (the default)| | ||
+ | |on-failure|Restart the container if it exits due to an error, which manifests as a non-zero exit code.| | ||
+ | |always|Always restart the container if it stops. If it is manually stopped, it is restarted only when Docker daemon restarts or the container itself is manually restarted. (See the second bullet listed in restart policy details)| | ||
+ | |unless-stopped|Similar to always, except that when the container is stopped (manually or otherwise), it is not restarted even after Docker daemon restarts.| | ||
+ | |||
- | Con el contenedor corriendo: | + | Para cambiarlo |
docker update --restart unless-stopped container_name | docker update --restart unless-stopped container_name | ||
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docker inspect --format '{{ .NetworkSettings.IPAddress }}' container_id | docker inspect --format '{{ .NetworkSettings.IPAddress }}' container_id | ||
+ | |||
+ | * Obtener puertos que tiene abiertos internamente (con jq): | ||
+ | |||
+ | docker inspect container_id |jq .[].NetworkSettings.Ports | ||
* Renombrar container: | * Renombrar container: | ||
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Para mostrar estadísticas de consumo de recursos por contenedor: | Para mostrar estadísticas de consumo de recursos por contenedor: | ||
- | docker stats --format "table {{.Name}}\t{{.CPUPerc}}\t{{.MemPerc}}\t{{.MemUsage}}" | + | |
====== Usar variables de entorno en tiempo de arranque ====== | ====== Usar variables de entorno en tiempo de arranque ====== | ||
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2. Revisar las entradas. Una de ellas tiene un espacio de más o de menos | 2. Revisar las entradas. Una de ellas tiene un espacio de más o de menos | ||
+ | |||
+ | ===== Servidor tarda en apagarse esperando por contenedores docker ===== | ||
+ | |||
+ | https:// | ||
informatica/linux/docker.txt · Last modified: 2023/03/16 10:18 by jose