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updates examples
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@mhausenblas
mhausenblas committed Oct 20, 2016
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Expand Up @@ -23,52 +23,52 @@ List information on all available namespaces:

$ sudo cinf

NAMESPACE TYPE NPROCS USER OUSER

4026531840 mnt 96 0 0
4026531836 pid 97 0 0
4026532194 uts 2 0 0
4026532295 ipc 1 0 0
4026532198 net 2 0 0
4026532294 uts 1 0 0
4026531838 uts 97 0 0
4026532196 pid 2 0 0
4026531856 mnt 1 0 0
4026532296 pid 1 0 0
4026532298 net 1 0 0
4026531839 ipc 97 0 0
4026531956 net 97 0 0
4026531837 user 100 0 0
4026532193 mnt 2 0 0
4026532195 ipc 2 0 0
4026532293 mnt 1 0 0

Dig into a specific namespace:

$ sudo cinf 4026532194

PID PPID NAME STATE THREADS CGROUPS
NAMESPACE TYPE NPROCS USER CMD
13867 13850 nginx S (sleeping) 1 11:hugetlb:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
10:perf_event:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
9:blkio:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
8:freezer:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
7:devices:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
6:memory:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
5:cpuacct:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
4:cpu:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
3:cpuset:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
2:name=systemd:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
13889 13867 nginx S (sleeping) 1 11:hugetlb:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
10:perf_event:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
9:blkio:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
8:freezer:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
7:devices:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
6:memory:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
5:cpuacct:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
4:cpu:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
3:cpuset:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
2:name=systemd:/docker/2f86cbc34a4d823be149935fa9a6dc176d161cebc719c60c7f95986c62ea7032
4026531856 mnt 1 0
4026532193 mnt 2 0,104 nginx: master proces
4026532196 pid 2 0,104 nginx: master proces
4026532198 net 2 0,104 nginx: master proces
4026532296 pid 1 1000 sleep10000
4026531839 ipc 95 0,101,102,106,1000 /sbin/init
4026531836 pid 95 0,101,102,106,1000 /sbin/init
4026532194 uts 2 0,104 nginx: master proces
4026532195 ipc 2 0,104 nginx: master proces
4026531837 user 98 0,101,102,104,106,1000 /sbin/init
4026532293 mnt 1 1000 sleep10000
4026532294 uts 1 1000 sleep10000
4026532298 net 1 1000 sleep10000
4026531840 mnt 94 0,101,102,106,1000 /sbin/init
4026531838 uts 95 0,101,102,106,1000 /sbin/init
4026531956 net 95 0,101,102,106,1000 /sbin/init
4026532295 ipc 1 1000 sleep10000

And you can also obtain information about a specific namespace by providing its namespace ID as an argument to `cinf`:

$ sudo cinf 4026532196

PID PPID NAME CMD THREADS CGROUPS STATE

2083 2061 nginx nginx: master proces 1 11:name=systemd:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878 S (sleeping)
10:hugetlb:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
9:perf_event:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
8:blkio:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
7:freezer:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
6:devices:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
5:memory:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
4:cpuacct:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
3:cpu:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
2:cpuset:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
2107 2083 nginx nginx: worker proces 1 11:name=systemd:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878 S (sleeping)
10:hugetlb:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
9:perf_event:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
8:blkio:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
7:freezer:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
6:devices:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
5:memory:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
4:cpuacct:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
3:cpu:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878
2:cpuset:/docker/249af13922da035fdd3644ed2e0fef4a1b2fd6a3a6af4b29758bd7f986f08878

Note that if you want to see detailed debug messages, you can do that via a `DEBUG` environment variable, like so: `sudo DEBUG=true cinf`.

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