I am not able to use systemctl commands in docker container i am getting
Failed to get D-Bus connection: Operation not permitted
even after running container in privileged mode i am getting same error
docker run --name my-container -d -it --privileged=true dind /usr/sbin/init
and
docker run -it --name my-container --privileged -d --cap-add=SYS_ADMIN -v /sys/fs/cgroup:/sys/fs/cgroup:ro my-image
not working
Related
I would like to access sysctl -n net.mptcp.mptcp_enabled from docker container, but currently I couldn't achieve it. I already tried the below things.
1.
docker run -d --sysctl net.mptcp.mptcp_enabled=1 --name=test -p 3100:3100 my_container
75dcbdc65a1539ce734a413cb6e23bf216aea76f6533c52280d3e866270424b9
docker: Error response from daemon: failed to create shim: OCI runtime create failed: container_linux.go:380: starting container process caused: process_linux.go:545: container init caused: write sysctl key net.mptcp.mptcp_enabled: open /proc/sys/net/mptcp/mptcp_enabled: no such file or directory: unknown.
docker run -d --cap-add=SYS_ADMIN --privileged --name=test -p 3100:3100 my_container
This time container starts but there is no file under /proc/sys/net/mptcp/mptcp_enabled
3.
docker run -d -v /proc:/proc --cap-add=SYS_ADMIN --privileged --name=test -p 3100:3100 my_container
This is also the same as 2.
I saw that a sysctl that starts with net.* are namespaced but wonder why this is not working.
Note: My host machine has mptcp supported kernel and I can see all mptcp related files under /proc/sys/net/mptcp/*
I faced the same issue. Using --net=host should solve it.
Try this:
docker run -d --net=host --name=test -p 3100:3100 my_container
I've tried to get access to docker command from a container I got an issue says that
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
the container created using this CMD line :
sudo docker run -p 8080:8080 -p 50000:50000 -v /var/run/docker.sock:/usr/lib/systemd/system/docker.socket --name jenkins-master -d jenkins
Hey Guys the issue was in the socket volume I mean in this section
-v /var/run/docker.sock:/usr/lib/systemd/system/docker.socket
should be change to
-v /var/run/docker.sock:/var/run/docker.sock
I use Docker on my Windows system and run following commands in the Windows Subsystem for Linux:
docker run --name selenium-container -d -p 4444:4444 -p 5900:5900 -v C:/Users/Alexa/OneDrive/Backend-web-architecture/github-repos/data-privacy-api:/dev/shm selenium/standalone-chrome-debug
This yields:
docker: Error response from daemon: mkdir C:: permission denied.
Since I was in the data-privacy-api folder, I also tried:
docker run --name selenium-container -d -p 4444:4444 -p 5900:5900 -v "$(pwd):/dev/shm selenium/standalone-chrome-debug"
However, this lead to following error:
"docker run" requires at least 1 argument.
See 'docker run --help'.
Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...]
Run a command in a new container
I am getting an error message 'Error from daemon: container is not running". Why? I started the container in detached mode, so it should be running? I tried the -it flags for interactivity but that did not work. I also tried sleeping docker but that did not work.
sh "docker run -d --name mongocontainer19"
sh "docker exec mongocontainer19 mongo mongodump"
The --name gives container names, which is mongocontainer19 in your case. So, you didn't put the image name there.
The syntax is
$ docker run [OPTIONS] IMAGE
So the command should be like$ docker run -d --name mongocontainer19 MyRedisIMAGE
--name <Your_container_alias> will be considered as an option of the command. -d or -p xx:xx are options as well.
I'm calling host docker command line utility from inside of docker container on Ubunty via making it available inside container with volume by passing the host binaries, lib and unix socket when calling docker run as volumes like that:
-v /var/run/docker.sock:/var/run/docker.sock \
-v /usr/bin/docker:/usr/bin/docker \
-v /usr/lib/x86_64-linux-gnu/libltdl.so.7:/usr/lib/x86_64-linux-gnu/libltdl.so.7
Then inside container I'm calling:
docker run --rm - --hostname registrator_notificator_222444 -it -P -d \
-e CONSUL_1=172.17.0.3:8301 mycontainername:5043/app/myappname /etc
and then getting the error:
dockerd[1455]: time="2017-12-18T19:08:30.299677811+03:00" level=error msg="stream copy error: reading from a closed fifo"
What is fifo said in the error?
The problem was with wrong last parameter in the docker run call:
docker run --rm --hostname registrator_notificator_222444 -it -P -d -e CONSUL_1=172.17.0.3:8301 mycontainername:5043/app/myappname /etc
is was a typo and had no sence; it was leading for such error