Container-tools
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wget https://www.kernel.org/pub/linux/utils/util-linux/v2.26/util-linux-2.26.2.tar.gz --no-check-certificate tar zxf util-linux-2.26.2.tar.gz cd util-linux-2.26.2 ./configure --without-ncurses make LDFLAGS=-all-static nsenter cp nsenter /usr/bin/ -
nsattach is Fork of nsenter from util-linux with pseudo tty support for interactive usage.
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Others
- any one VM that is allow to access the container VM
- create a garden container
- create a docker container
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install container-enter
install container-enter in the container VM.
./install.sh /usr/bin ```
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enter-container
- HELP
container-enter --help Usage: container-enter OPTIONS -t,--type <container type> the connecting container type,only support garden and docker currently. -i,--id <container id> the connecting container id. -u,--user [container user] User to change to in the connecting container. -c,--command ["execute command"] you can give some command that will run in specified container,You can specify multiple -c arguments. -h,--help display this help and exit
- login specify container on other VM
ssh -t -i ~/.ssh/<VM-USER-PRIVATE-KEY> <VM-USER>@<VM-IP> LocalCommand=" container-enter --type <CONTAINER-TYPE> --id <CONTAINER-ID> --user <CONTAINER-USER>"
- login specify container on the same VM
container-enter --type <CONTAINER-TYPE> --id <CONTAINER-ID> --user <CONTAINER-USER>
- run some command in continer
container-enter --type <CONTAINER-TYPE> --id <CONTAINER-ID> --command "ls -al"
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how to mount local volumes
we can use container-mount-volumes dynamic mount local volumes for running container.
- HELP
container-mount-volumes --help Usage: container-mount-volumes OPTIONS -t,--type <container type> the connecting container type,only support garden and docker currently. -i,--id <container id> the connecting container id -v,--volumes [volumes,host:container] volumes which will be dynamic mount to specify container,You can specify multiple -v arguments. -c,--command ["execute command"] you can give some command that will run in specified container,You can specify multiple -c arguments. -h,--help display this help and exit
- mount volumes for running container
container-mount-volumes --type <CONTAINER-TYPE> --id <CONTAINER-ID> --volumes <HOST-PATH>:<CONT-PATH>
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mount remote volumes
we can use
container-mount-volumes -c commanddynamic mount remote volumes for running container.
container-mount-volumes --type --id --command "mkdir -p /testnfs;mount -t nfs :/home/nfs /testnfs" ```
- nsenter,linux namespace utils
- nsattach,nsenter from util-linux with pseudo tty support
- docker-enter,nsenter with docker
- Attach a volume to a container while it is running
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