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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2019-05-20 21:52:13 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2019-05-20 21:55:01 +0200 |
| commit | f3da99c4eec54028b41879216e9540a6f1f3965e (patch) | |
| tree | 4d427d8c33473cd030a21279c792e8d3248ee7d0 /man7 | |
| parent | 727e560920b7ef81ae5cae6c241066722535b6da (diff) | |
| download | man-pages-f3da99c4eec54028b41879216e9540a6f1f3965e.tar.gz | |
cgroup_namespaces.7: In the example shell session, give second shell a different prompt
Give the shell in the second cgroup namespace a different prompt,
so as to clearly distinguish the two namespaces.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7')
| -rw-r--r-- | man7/cgroup_namespaces.7 | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/man7/cgroup_namespaces.7 b/man7/cgroup_namespaces.7 index 42c70f7c5a..a1f8d1073c 100644 --- a/man7/cgroup_namespaces.7 +++ b/man7/cgroup_namespaces.7 @@ -104,7 +104,7 @@ to create a process running a new shell in new cgroup and mount namespaces: .PP .EX .in +4n -# \fBunshare \-Cm bash\fP +# \fBPS1="sh2# " unshare \-Cm bash\fP .in .EE .PP @@ -120,11 +120,11 @@ with PID 1), and the process in the sibling cgroup .PP .EX .in +4n -# \fBcat /proc/self/cgroup | grep freezer\fP +sh2# \fBcat /proc/self/cgroup | grep freezer\fP 7:freezer:/ -# \fBcat /proc/1/cgroup | grep freezer\fP +sh2# \fBcat /proc/1/cgroup | grep freezer\fP 7:freezer:/.. -# \fBcat /proc/20124/cgroup | grep freezer\fP +sh2# \fBcat /proc/20124/cgroup | grep freezer\fP 7:freezer:/../sub2 .in .EE @@ -149,7 +149,7 @@ we see the following anomaly: .PP .EX .in +4n -# \fBcat /proc/self/mountinfo | grep freezer\fP +sh2# \fBcat /proc/self/mountinfo | grep freezer\fP 155 145 0:32 /.. /sys/fs/cgroup/freezer ... .in .EE @@ -171,11 +171,11 @@ new cgroup namespace), after which we see the expected results: .PP .EX .in +4n -# \fBmount \-\-make\-rslave /\fP # Don't propagate mount events - # to other namespaces -# \fBumount /sys/fs/cgroup/freezer\fP -# \fBmount \-t cgroup \-o freezer freezer /sys/fs/cgroup/freezer\fP -# \fBcat /proc/self/mountinfo | grep freezer\fP +sh2# \fBmount \-\-make\-rslave /\fP # Don't propagate mount events + # to other namespaces +sh2# \fBumount /sys/fs/cgroup/freezer\fP +sh2# \fBmount \-t cgroup \-o freezer freezer /sys/fs/cgroup/freezer\fP +sh2# \fBcat /proc/self/mountinfo | grep freezer\fP 155 145 0:32 / /sys/fs/cgroup/freezer rw,relatime ... .in .EE |