All Questions
8 questions
0
votes
0
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165
views
how to send signal to (parent process?) telling the parent that the child is crashing
This is probably not a best practice, but I am trying it out.
I have this entrypoint.sh file that I use with docker like so:
ENTRYPOINT ["./entrypoint.sh"]
here was entrypoint.sh:
#!/usr/...
- 10.6k
2
votes
1
answer
940
views
Podman Ps Format help
I am trying to list podman ps in a very readable format using podman ps -a --format="ID\t{{.ID}}\nNAME\t{{.Names}}\nIMAGE\t{{.Image}}\nPORTS\t{{.Ports}}\nCOMMAND\t{{.Command}}\nCREATED\t{{....
- 63
1
vote
0
answers
954
views
Isolating users running containers in the same account
Multiple users are running container images on the same user account on a supercomputer ("service account"). Each container mounts a folder that contains sensitive data. One service account ...
- 11
1
vote
0
answers
164
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File changes made during execution of shell script on overlay filesystem are not visible before the shell script exits?
I have been experimenting with Docker and how some of the options of docker run ..., e.g. --privileged, may be abused for container-to-host escapes.
The following cgroup_escape.sh script abuses the ...
- 4,871
0
votes
2
answers
203
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Do any of the common Linux utilities allow changing to arbitrary UID given CAP_SETUID?
I sometimes have the need to change my UID to arbitrary value when testing user namespace functionality.
Currently, I do something like:
useradd -u <uid> testuser
su testuser
userdel testuser
I ...
- 4,871
2
votes
0
answers
36
views
Do not allow detach for one bash
I would like to know if it's possible to forbid all detached-like things for a given shell.
More precisely, I'd like to make sure that if a command runs in a specific shell, when the command stops, ...
- 4,571
0
votes
1
answer
2k
views
How can I run the sudo command in Python code under CentOS in Docker
I am trying to access the docker image labels from Python as follows
hostname = socket.gethostname()
cmd = "sudo curl --unix-socket /var/run/docker.sock http:/containers/" + hostname + "/json"
output ...
- 1
1
vote
1
answer
4k
views
How to export JAVA_HOME in Lambda Linux Docker image?
I'm using the Lambda Linux AWS image. I'm trying to install Atlassian Bamboo that requires JAVA_HOME to be exported. I've been able to install java and verify it is installed properly. I can't get ...
- 113