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networkd: fix NULL pointer (#3523)
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1Porting systemd To New Distributions
2
1486dbe1 3HOWTO:
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4 You need to make the follow changes to adapt systemd to your
5 distribution:
6
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7 1) Find the right configure parameters for:
8
9 --with-rootprefix=
10 --with-sysvinit-path=
dee4c244 11 --with-sysvrcnd-path=
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12 --with-rc-local-script-path-start=
13 --with-rc-local-script-path-stop=
14 --with-kbd-loadkeys=
15 --with-kbd-setfont=
16 --with-tty-gid=
2ed3de9c 17 --with-ntp-servers=
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19 2) Try it out. Play around (as an ordinary user) with
20 '/usr/lib/systemd/systemd --test --system' for a test run
21 of systemd without booting. This will read the unit files and
22 print the initial transaction it would execute during boot-up.
23 This will also inform you about ordering loops and suchlike
eb10a764 24
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25NTP POOL:
26
27 By default, timesyncd uses the Google NTP servers
28 time[1-4].google.com. They serve time that is not standards
29 compliant, and can be up to .5s off. Google does not
30 officially support these servers for the broader
31 audience. Distributions and vendors really should not ship
32 OSes or devices with these NTP servers configured. Instead,
33 please register your own vendor pool at ntp.org and make it
34 the built-in default by passing --with-ntp-servers= to
35 configure. Registering vendor pools is free:
36
37 http://www.pool.ntp.org/en/vendors.html
38
39 Again, if you ship your software or device with the default
40 NTP servers, then you will get served wrong time, and will
41 rely on services that might not be supported for long.
42
eb10a764 43CONTRIBUTING UPSTREAM:
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45548321 45 We generally do no longer accept distribution-specific
bc270841 46 patches to systemd upstream. If you have to make changes to
45548321 47 systemd's source code to make it work on your distribution,
19aadacf 48 unless your code is generic enough to be generally useful, we
bc270841 49 are unlikely to merge it. Please always consider adopting the
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50 upstream defaults. If that is not possible, please maintain
51 the relevant patches downstream.
1486dbe1 52
bc270841 53 Thank you for understanding.