Slide 19
Slide 19 text
© 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Mount namespace
• Used for giving containers
their own filesystem
• Container image is mounted
as the root filesystem
• More about filesystems to
come!
bash-4.2# mount
overlay on / type overlay
(rw,relatime,lowerdir=/var/lib/docker/overlay2
/l/Q5EBZ7CIJYELLG2MBKZIRRFWW6:/var/lib/docker/
overlay2/l/PKATP76T57BQZ5D44JXYFIB26E,upperdir
=/var/lib/docker/overlay2/88816f9510a9ff38b31e
aaceccbef6ffc9cc3c06bcc451f9684850db5ee1b152/d
iff,workdir=/var/lib/docker/overlay2/88816f951
0a9ff38b31eaaceccbef6ffc9cc3c06bcc451f9684850d
b5ee1b152/work)
proc on /proc type proc
(rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev type tmpfs
(rw,nosuid,size=65536k,mode=755)
devpts on /dev/pts type devpts
(rw,nosuid,noexec,relatime,gid=5,mode=620,ptmx
mode=666)
sysfs on /sys type sysfs
(ro,nosuid,nodev,noexec,relatime)
tmpfs on /sys/fs/cgroup type tmpfs
(ro,nosuid,nodev,noexec,relatime,mode=755)