On Mon, Aug 12, 2019 at 08:38:47AM -0400, Greg Wooledge wrote: > On Sat, Aug 10, 2019 at 12:16:04PM -0500, David Wright wrote: > > If you're desparate to get the timezone altered earlier in your > > installation process, you could always do it manually: try switching > > to VC2 and editing the file /target/etc/timezone to the string UTC > > (the alternatives are simply the names of the files in > > /usr/share/zoneinfo, including subdirectories). Obviously wait until > > the file exists. (I've not tried this so I don't know when that is.) > > I'm skeptical that this would be sufficient. Debian actually stores the > system's default timezone in *two* different places, using two completely > different mechanisms. I have been led to believe that one of these is > "standard" for GNU/Linux-based systems, and the other is for backward > compatibility. > > wooledg:~$ ls -ld /etc/*time* > -rw-r--r-- 1 root root 46 Apr 10 2017 /etc/adjtime > lrwxrwxrwx 1 root root 36 Apr 1 08:58 /etc/localtime -> > /usr/share/zoneinfo/America/New_York > -rw-r--r-- 1 root root 17 Apr 1 08:58 /etc/timezone > > The first one is the /etc/timezone file, which as you say, is a > simple text file that a (root) user can edit. I believe this is the > backward-compatibility one.
FWIW, I see /etc/timezone mentioned in the libc docs, whereas I can't find /etc/timezone there. So I'd guess /etc/timezone to be the relevant one for libc (but there might be other important subsystems). Apt doesn't say anything (I'd expect that -- those two files are more typically taken care of in some post-install). This all is from a very cursory glance, so take it with the appropriate fist of salt. Cheers -- t
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