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- .\" Process this file with
- .\" nroff -man -Tascii docker-attach.1
- .\"
- .TH "DOCKER" "1" "APRIL 2014" "0.1" "Docker"
- .SH NAME
- docker-attach \- Attach to a running container
- .SH SYNOPSIS
- .B docker attach
- \fB--no-stdin\fR[=\fIfalse\fR]
- \fB--sig-proxy\fR[=\fItrue\fR]
- container
- .SH DESCRIPTION
- If you \fBdocker run\fR a container in detached mode (\fB-d\fR), you can reattach to the detached container with \fBdocker attach\fR using the container's ID or name.
- .sp
- You can detach from the container again (and leave it running) with CTRL-c (for a quiet exit) or CTRL-\ to get a stacktrace of the Docker client when it quits. When you detach from the container the exit code will be returned to the client.
- .SH "OPTIONS"
- .TP
- .B --no-stdin=\fItrue\fR|\fIfalse\fR:
- When set to true, do not attach to stdin. The default is \fIfalse\fR.
- .TP
- .B --sig-proxy=\fItrue\fR|\fIfalse\fR:
- When set to true, proxify all received signal to the process (even in non-tty mode). The default is \fItrue\fR.
- .sp
- .SH EXAMPLES
- .sp
- .PP
- .B Attaching to a container
- .TP
- 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 \fBdocker attach\fR command:
- .sp
- .nf
- .RS
- # 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
- .RE
- .fi
- .sp
- .SH HISTORY
- April 2014, Originally compiled by William Henry (whenry at redhat dot com) based on dockier.io source material and internal work.
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