See this issue.
Docker best practise to Control and configure Docker with systemd.
-
Create
daemon.json
file in/etc/docker
:{"hosts": ["tcp://0.0.0.0:2375", "unix:///var/run/docker.sock"]}
[Unit] | |
Description=Docker Application Container Engine | |
Documentation=https://docs.docker.com | |
After=network-online.target docker.socket firewalld.service containerd.service time-set.target | |
Wants=network-online.target containerd.service | |
Requires=docker.socket | |
[Service] | |
Type=notify | |
# the default is not to use systemd for cgroups because the delegate issues still |
See this issue.
Docker best practise to Control and configure Docker with systemd.
Create daemon.json
file in /etc/docker
:
{"hosts": ["tcp://0.0.0.0:2375", "unix:///var/run/docker.sock"]}
# File: /etc/systemd/system/docker-tcp.socket | |
[Unit] | |
Description=Docker Socket for the API | |
[Socket] | |
ListenStream=2375 | |
BindIPv6Only=both | |
Service=docker.service | |
[Install] |
Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...
// see: https://github.com/chadoe/docker-cleanup-volumes
$ docker volume rm $(docker volume ls -qf dangling=true)
$ docker volume ls -qf dangling=true | xargs -r docker volume rm
-- show running queries (pre 9.2) | |
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query | |
FROM pg_stat_activity | |
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' | |
ORDER BY query_start desc; | |
-- show running queries (9.2) | |
SELECT pid, age(clock_timestamp(), query_start), usename, query | |
FROM pg_stat_activity | |
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' |