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moby--moby/docs/man/docker-attach.1.md
SvenDowideit fa29b1f062 I'm going to wish I didn't do this
Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
2014-07-03 10:31:56 +10:00

2.4 KiB

% DOCKER(1) Docker User Manuals % Docker Community % JUNE 2014

NAME

docker-attach - Attach to a running container

SYNOPSIS

docker attach [--no-stdin[=false]] [--sig-proxy[=true]] CONTAINER

DESCRIPTION

If you docker run a container in detached mode (-d), you can reattach to the detached container with docker attach using the container's ID or name.

You can detach from the container again (and leave it running) with CTRL-q CTRL-q (for a quiet exit), or CTRL-c which will send a SIGKILL to the container, or CTRL-\ to get a stacktrace of the Docker client when it quits. When you detach from a container the exit code will be returned to the client.

OPTIONS

--no-stdin=true|false Do not attach STDIN. The default is false.

--sig-proxy=true|false Proxify all received signals to the process (even in non-TTY mode). SIGCHLD is not proxied. The default is true.

EXAMPLES

Attaching to a container

In this example the top command is run inside a container, from an image called fedora, in detached mode. The ID from the container is passed into the docker attach command:

# ID=$(sudo docker run -d fedora /usr/bin/top -b)
# sudo docker attach $ID
top - 02:05:52 up  3:05,  0 users,  load average: 0.01, 0.02, 0.05
Tasks:   1 total,   1 running,   0 sleeping,   0 stopped,   0 zombie
Cpu(s):  0.1%us,  0.2%sy,  0.0%ni, 99.7%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:    373572k total,   355560k used,    18012k free,    27872k buffers
Swap:   786428k total,        0k used,   786428k free,   221740k cached

PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
1 root      20   0 17200 1116  912 R    0  0.3   0:00.03 top

top - 02:05:55 up  3:05,  0 users,  load average: 0.01, 0.02, 0.05
Tasks:   1 total,   1 running,   0 sleeping,   0 stopped,   0 zombie
Cpu(s):  0.0%us,  0.2%sy,  0.0%ni, 99.8%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:    373572k total,   355244k used,    18328k free,    27872k buffers
Swap:   786428k total,        0k used,   786428k free,   221776k cached

PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
1 root      20   0 17208 1144  932 R    0  0.3   0:00.03 top

HISTORY

April 2014, Originally compiled by William Henry (whenry at redhat dot com) based on docker.com source material and internal work. June 2014, updated by Sven Dowideit SvenDowideit@home.org.au