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README: fix context for CONFIG_DEVPTS_MULTIPLE_INSTANCES

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`newinstance` (and `ptmxmode`) options of devpts are _not_ used by
PrivateDevices=.  (/dev/pts is shared, similar to how /dev/shm and
/dev/mqueue are handled).  It is used by nspawn containers though.

Also CONFIG_DEVPTS_MULTIPLE_INSTANCES was removed in 4.7-rc2
eedf265aa0
and no longer needs to be set, so make that clearer to avoid confusion.
This commit is contained in:
Alan Jenkins 2018-01-15 16:55:11 +00:00
parent 98b1d2b8d9
commit 45a582d536
1 changed files with 5 additions and 3 deletions
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README
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@ -69,11 +69,10 @@ REQUIREMENTS:
create additional symlinks in /dev/disk/ and /dev/tape:
CONFIG_BLK_DEV_BSG
Required for PrivateNetwork= and PrivateDevices= in service units:
Required for PrivateNetwork= in service units:
CONFIG_NET_NS
CONFIG_DEVPTS_MULTIPLE_INSTANCES
Note that systemd-localed.service and other systemd units use
PrivateNetwork and PrivateDevices so this is effectively required.
PrivateNetwork so this is effectively required.
Required for PrivateUsers= in service units:
CONFIG_USER_NS
@ -119,6 +118,9 @@ REQUIREMENTS:
isn't. The next best thing is to make this change through a modprobe.d
drop-in. This is shipped by default, see modprobe.d/systemd.conf.
Required for systemd-nspawn:
CONFIG_DEVPTS_MULTIPLE_INSTANCES or Linux kernel >= 4.7
Note that kernel auditing is broken when used with systemd's
container code. When using systemd in conjunction with
containers, please make sure to either turn off auditing at