"sudo" pide la contraseña del usuario (más o menos) cada vez que se usa:
[user@host123 ~]sudo docker ps [ sudo] password for user:
Solución:
Cuidado porque suprimir la contraseña puede ser un problema grave de seguridad.
Editar el fichero de configuración de sudo (ejecutar "visudo") y añadir una línea por cada comando que queramos permitir.
Por ejemplo, para permitir que un usuario ("user") ejecute docker tendríamos que añadir la siguiente línea:
user host123 = (root) NOPASSWD: /usr/bin/docker
O si queremos que el grupo "group" pueda ejecutar docker:
%group host123 = (root) NOPASSWD: /usr/bin/docker
(host123 es el hostname de la máquina)
Para rizar el rizo podemos definir un alias:
alias docker='sudo docker'
De este modo:
[user@host123 ~]docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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