On 06/10/2018 08:05 PM, Chase via cdesktopenv-devel wrote:
Putting files on top of /var does cause debian to throw an error due to FHS
violations (https://lintian.debian.org/tags/non-standard-dir-in-var.html), as
does /usr/dt, but its only a warning
(https://lintian.debian.org/tags/non-standard-dir-in-usr.html), but /etc/dt is
perfectly fine, so we could probably make more use of it when appropriate.
As mentioned by Matthew, perhaps we will need to keep this for now, make
sense now on why it's used. But another option that still maintains
this funtionality:
dtlogin - move log file to /var/log/dtlogin instead of /var/dt/Xerrors
appconfig - (ie: rest of /var/dt/), we could move this into:
/var/cache/dt/ ...
Hmmm?
I think that would still fit the FHS for linux anyway. The other OS's
would stay the same.
I would also move the creation of this hierarchy into the UDB database
files (at least for linux), rather than use the shell snippet in
configRun to do it.
-jon
Thank you for your time,
-Chase
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On June 10, 2018 8:57 PM, <d...@blackshard.net> wrote:
Jon Trulson j...@radscan.com writes:
So, in talking with Chase, the subject of /var/dt came up, and whether
we can nuke it.
dtlogin writes it's error/output log there (/var/dt/Xerrors). We
could move this to /var/log/dtlogin.
That seems reasonable.
The other use I see is for appmanager. On a first-time session login,
it creates symlinks from /usr/dt/appconfig/appmanager/<LANG// into a
/var/dt/appconfig/appmanager/<$USER>-<host>-<$DISPLAY>/
Then, in CDE, if you select the "Toolbox" icon, a dtfile will open up
in /var/dt/appconfig/appmanager/<$USER>-<host>-<$DISPLAY>/ shwoing all
of the application groups you can enter.
I guess I just don't know why this is done. Could we simply do it in
/run/user/<UID>/dt/... ? Of course, it will disappear on a system
boot, and I have no idea how prevalent tmpfs filesystems like /run
are. Could we do this in the users' own ~/.dt/appmanager/ instead?
Maybe that's even a better idea?
So, I'm just looking for some enlightenment and opinions.
I think this was all designed around the use of globally accessible
NFS home directories being automounted on whatever
Xterminal/thin-client you wanted to use to login. Since hosts you are
using may differ... But still, why is this replicated in /var/dt?
Anyway, any thoughts?
Looking at my system, here's an example folder:
---------------------------------------------------
[mtrower@saturn:/var/dt/appconfig/appmanager]% ls -lh mtrower-saturn-0
total 4
lrwxrwxrwx 1 mtrower netstaff 43 Jun 3 20:25 Desktop_Apps ->
/etc/dt/appconfig/appmanager/C/Desktop_Apps
lrwxrwxrwx 1 mtrower netstaff 44 Jun 3 20:25 Desktop_Tools ->
/usr/dt/appconfig/appmanager/C/Desktop_Tools
lrwxrwxrwx 1 mtrower netstaff 42 Jun 3 20:25 Information ->
/usr/dt/appconfig/appmanager/C/Information
lrwxrwxrwx 1 mtrower netstaff 43 Jun 3 20:25 System_Admin ->
/usr/dt/appconfig/appmanager/C/System_Admin
So, you see the first entry is actually linked to /etc/... rather than
/usr...
If I recall correctly, CDE looks for application entries in /usr, /etc,
and ~/.dt, in that order. The idea is that site entries go in /usr
(which may be NFS mounted), system overrides / additions go into /etc,
and user overrides / additions go into ~/.dt. (Only one of these
directories is used --- the contents are not merged, as one might
expect. Yes, this presents a maintenance dillema.)
It seems to me that this /var folder is where appconfig stores its
findings on which directory to use.
Moving this to ~/.dt could be possible I guess if you preserve the host
information. I'm not sure why $DISPLAY is in there as well, but I'm
sure there's a reason, so it should probably stay as well. The only
conflict that comes to mind then is if someone mounts their home
directory on two different hosts with the same hostname... this seems
unlikely to me, but not semantically incorrect, especially across domains.
However, I'm not sure why we need to get rid of /var/dt to begin with?
Debian does have some interesting ideas about where files must go, but
I'm pretty sure /var/dt doesn't violate the FHS --- does it?
-- Matthew R. Trower
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