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DISTRO_PORTING: document that distros may/should change fallback DNS as well as fallback NTP if they wish 

The DNS and NTP fallback server situation is pretty similar, and
downstream distros might want to change both to whatever they need,
hence mention them both.
This commit is contained in:
Lennart Poettering 2017-07-24 11:26:54 +02:00
parent 003c887967
commit 0629976f08
1 changed files with 16 additions and 6 deletions
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22
DISTRO_PORTING
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@ -15,6 +15,7 @@ HOWTO:
-D setfont-path= -D setfont-path=
-D tty-gid= -D tty-gid=
-D ntp-servers= -D ntp-servers=
-D dns-servers=
-D support-url= -D support-url=
2) Try it out. Play around (as an ordinary user) with 2) Try it out. Play around (as an ordinary user) with
@ -24,11 +25,10 @@ HOWTO:
This will also inform you about ordering loops and suchlike. This will also inform you about ordering loops and suchlike.
NTP POOL: NTP POOL:
By default, systemd-timesyncd uses the Google Public NTP servers
By default, timesyncd uses the Google Public NTP servers time[1-4].google.com, if no other NTP configuration is available. They
time[1-4].google.com. They serve time that uses a leap second serve time that uses a leap second smear, and can be up to .5s off from
smear, and can be up to .5s off from servers that use stepped servers that use stepped leap seconds.
leap seconds.
https://developers.google.com/time/smear https://developers.google.com/time/smear
@ -39,6 +39,17 @@ NTP POOL:
http://www.pool.ntp.org/en/vendors.html http://www.pool.ntp.org/en/vendors.html
Use -D ntp-servers= to direct systemd-timesyncd to different fallback
NTP servers.
DNS SERVERS:
By default, systemd-resolved uses the Google Public DNS servers
8.8.8.8, 8.8.4.4, 2001:4860:4860::8888, 2001:4860:4860::8844 as
fallback, if no other DNS configuration is available.
Use -D dns-servers= to direct systemd-resolved to different fallback
DNS servers.
PAM: PAM:
The default PAM config shipped by systemd is really bare bones. The default PAM config shipped by systemd is really bare bones.
It does not include many modules your distro might want to enable It does not include many modules your distro might want to enable
@ -50,7 +61,6 @@ PAM:
instead install your own. instead install your own.
CONTRIBUTING UPSTREAM: CONTRIBUTING UPSTREAM:
We generally do no longer accept distribution-specific patches to We generally do no longer accept distribution-specific patches to
systemd upstream. If you have to make changes to systemd's source code systemd upstream. If you have to make changes to systemd's source code
to make it work on your distribution, unless your code is generic to make it work on your distribution, unless your code is generic