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Updated docker attach example.
The previous example was out of date. I changed the distro & pined the tag to help prevent the new example from becoming out of date too. Signed-off-by: Kelton Bassingthwaite <[email protected]>
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‎man/src/container/attach.md‎

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@@ -45,22 +45,22 @@ In this example the top command is run inside a container, from an image called
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fedora, in detached mode. The ID from the container is passed into the **docker
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attach** command:
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$ ID=$(sudo docker run -d fedora /usr/bin/top -b)
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$ ID=$(sudo docker run -d ubuntu:20.04 /usr/bin/top -b)
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$ sudo docker attach $ID
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top - 02:05:52 up 3:05, 0 users, load average: 0.01, 0.02, 0.05
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top - 00:07:01 up 4:54, 0 users, load average: 0.83, 0.91, 0.82
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Tasks: 1 total, 1 running, 0 sleeping, 0 stopped, 0 zombie
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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
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Mem: 373572k total, 355560k used, 18012k free, 27872k buffers
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Swap: 786428k total, 0k used, 786428k free, 221740k cached
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PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
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1 root 20 0 17200 1116 912 R 0 0.3 0:00.03 top
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top - 02:05:55 up 3:05, 0 users, load average: 0.01, 0.02, 0.05
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%Cpu(s): 2.3 us, 1.6 sy, 0.0 ni, 95.9 id, 0.0 wa, 0.1 hi, 0.1 si, 0.0 st
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MiB Mem : 15846.2 total, 5729.2 free, 2592.5 used, 7524.4 buff/cache
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MiB Swap: 16384.0 total, 16384.0 free, 0.0 used. 12097.3 avail Mem
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PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
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1 root 20 0 5976 3256 2828 R 0.0 0.0 0:00.04 top
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top - 00:07:04 up 4:54, 0 users, load average: 0.76, 0.89, 0.81
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Tasks: 1 total, 1 running, 0 sleeping, 0 stopped, 0 zombie
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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
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Mem: 373572k total, 355244k used, 18328k free, 27872k buffers
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Swap: 786428k total, 0k used, 786428k free, 221776k cached
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PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
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1 root 20 0 17208 1144 932 R 0 0.3 0:00.03 top
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%Cpu(s): 2.0 us, 1.4 sy, 0.0 ni, 96.5 id, 0.0 wa, 0.1 hi, 0.0 si, 0.0 st
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MiB Mem : 15846.2 total, 5727.5 free, 2594.4 used, 7524.3 buff/cache
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MiB Swap: 16384.0 total, 16384.0 free, 0.0 used. 12095.6 avail Mem
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PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
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1 root 20 0 5976 3256 2828 R 0.0 0.0 0:00.04 top

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