Re: deprecating /usr as a standalone filesystem?

2009-05-17 Thread Kel Modderman
On Wednesday 06 May 2009 03:39:40 Steve Langasek wrote: On Tue, May 05, 2009 at 05:36:02PM +0200, Marco d'Itri wrote: I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no

Re: deprecating /usr as a standalone filesystem?

2009-05-17 Thread Steve Langasek
On Mon, May 18, 2009 at 06:25:07AM +1000, Kel Modderman wrote: On Wednesday 06 May 2009 03:39:40 Steve Langasek wrote: On Tue, May 05, 2009 at 05:36:02PM +0200, Marco d'Itri wrote: I have been told by upstream maintainers of one of my packages and by prominent developers of other

Re: deprecating /usr as a standalone filesystem?

2009-05-16 Thread Faidon Liambotis
Marco d'Itri wrote: I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no other distribution worth mentioning does it (not Ubuntu, not Fedora, not SuSE). BTW, last month

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Gabor Gombas
On Wed, May 13, 2009 at 12:38:45PM -0500, Manoj Srivastava wrote: it is the principle of the thing. /root is the home directory for the root user. Home directories are mutable, programs may store configuration files there, as may the user, by themselves. The root user should not

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Giacomo A. Catenazzi
Gabor Gombas wrote: On Wed, May 13, 2009 at 12:38:45PM -0500, Manoj Srivastava wrote: it is the principle of the thing. /root is the home directory for the root user. Home directories are mutable, programs may store configuration files there, as may the user, by themselves. The

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Klaus Ethgen
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Am Do den 14. Mai 2009 um 14:01 schrieb Gabor Gombas: I fail to see how root is different to any other random user in this regard. If you want / to be read-only, then you should ensure that /home points to something writable. The same thing holds

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Roger Leigh
On Thu, May 14, 2009 at 03:53:23PM +0200, Giacomo A. Catenazzi wrote: Gabor Gombas wrote: On Wed, May 13, 2009 at 12:38:45PM -0500, Manoj Srivastava wrote: it is the principle of the thing. /root is the home directory for the root user. Home directories are mutable, programs may

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Gabor Gombas
On Thu, May 14, 2009 at 03:53:23PM +0200, Giacomo A. Catenazzi wrote: No, /root cannot be a separate filesystem. /root is part of very basic system, and it is required for super user when he/she is restoring the systems or doing some kind of administration (e.g. moving filesystems, etc.).

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Giacomo A. Catenazzi
Roger Leigh wrote: On Thu, May 14, 2009 at 03:53:23PM +0200, Giacomo A. Catenazzi wrote: Gabor Gombas wrote: On Wed, May 13, 2009 at 12:38:45PM -0500, Manoj Srivastava wrote: it is the principle of the thing. /root is the home directory for the root user. Home directories are

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Giacomo A. Catenazzi
Gabor Gombas wrote: On Thu, May 14, 2009 at 03:53:23PM +0200, Giacomo A. Catenazzi wrote: No, /root cannot be a separate filesystem. /root is part of very basic system, and it is required for super user when he/she is restoring the systems or doing some kind of administration (e.g. moving

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Gabor Gombas
On Thu, May 14, 2009 at 04:21:53PM +0200, Giacomo A. Catenazzi wrote: I totally agree that / (thus /root) could be read-only. I pointed out to you that /root is required to be in the same filesystem as / (FHS) and I gave you the rationale. What's the FHS says is a little different:

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Giacomo A. Catenazzi
Gabor Gombas wrote: On Thu, May 14, 2009 at 04:21:53PM +0200, Giacomo A. Catenazzi wrote: I totally agree that / (thus /root) could be read-only. I pointed out to you that /root is required to be in the same filesystem as / (FHS) and I gave you the rationale. What's the FHS says is a

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Steve Langasek
On Thu, May 14, 2009 at 02:27:52PM +0100, Klaus Ethgen wrote: There might also software very early in the boot process that need a writable root-$HOME. Nonsense. Any such software needs to be beaten severely. -- Steve Langasek Give me a lever long enough and a Free OS

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Manoj Srivastava
On Thu, May 14 2009, Gabor Gombas wrote: On Wed, May 13, 2009 at 12:38:45PM -0500, Manoj Srivastava wrote: it is the principle of the thing. /root is the home directory for the root user. Home directories are mutable, programs may store configuration files there, as may the user,

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Goswin von Brederlow
Giacomo A. Catenazzi c...@debian.org writes: Gabor Gombas wrote: On Thu, May 14, 2009 at 03:53:23PM +0200, Giacomo A. Catenazzi wrote: No, /root cannot be a separate filesystem. /root is part of very basic system, and it is required for super user when he/she is restoring the systems or

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Goswin von Brederlow
Manoj Srivastava sriva...@debian.org writes: Sure. I can hack things so that I have a writable home directory for root while having a read only /. But then it is incorrect to state that it works out of the box. manoj If you have a read-only / you need to have /var and

Re: deprecating /usr as a standalone filesystem?

2009-05-14 Thread Gabor Gombas
On Fri, May 15, 2009 at 07:12:59AM +0200, Goswin von Brederlow wrote: There is absolutely no reason why you can not mount a filesystem over /root later in the boot process. I agree that /root should/must exist at all time so one can login when for example fsck fails. No, you must be able to

Re: deprecating /usr as a standalone filesystem?

2009-05-13 Thread Manoj Srivastava
On Tue, May 12 2009, Goswin von Brederlow wrote: I don't know if there are more blocker. Oh, and /root is a home directory; unless we move that, a read only / would affect root negatively. How so? Only thing I can think of is the bash history. But it is not like we force a read-only /.

Re: deprecating /usr as a standalone filesystem?

2009-05-13 Thread Goswin von Brederlow
Manoj Srivastava sriva...@debian.org writes: On Tue, May 12 2009, Goswin von Brederlow wrote: I don't know if there are more blocker. Oh, and /root is a home directory; unless we move that, a read only / would affect root negatively. How so? Only thing I can think of is the bash

Re: deprecating /usr as a standalone filesystem?

2009-05-12 Thread Goswin von Brederlow
Manoj Srivastava sriva...@debian.org writes: On Mon, May 11 2009, Goswin von Brederlow wrote: Henrique de Moraes Holschuh h...@debian.org writes: On Mon, 11 May 2009, Goswin von Brederlow wrote: A separate /usr *is* the way to go if you don't want any writes in that filesystem 99.9% of

Re: deprecating /usr as a standalone filesystem?

2009-05-11 Thread Roger Leigh
On Mon, May 11, 2009 at 12:32:40AM -0400, Daniel Dickinson wrote: On Tue, 5 May 2009 17:36:02 +0200 m...@linux.it (Marco d'Itri) wrote: I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone

Re: deprecating /usr as a standalone filesystem?

2009-05-11 Thread Henrique de Moraes Holschuh
On Mon, 11 May 2009, Goswin von Brederlow wrote: A separate /usr *is* the way to go if you don't want any writes in that filesystem 99.9% of the time (i.e. when you're not doing an upgrade). A read-only / does the trick just as well. And if you don't want writes to /usr you probably

Re: deprecating /usr as a standalone filesystem?

2009-05-11 Thread Goswin von Brederlow
Henrique de Moraes Holschuh h...@debian.org writes: On Mon, 11 May 2009, Goswin von Brederlow wrote: A separate /usr *is* the way to go if you don't want any writes in that filesystem 99.9% of the time (i.e. when you're not doing an upgrade). A read-only / does the trick just as well.

Re: deprecating /usr as a standalone filesystem?

2009-05-11 Thread Henrique de Moraes Holschuh
On Mon, 11 May 2009, Goswin von Brederlow wrote: A read-only / should work out of the box just like a read-only /usr. I haven't installed a fresh one in a long while though so if you know of problems speak up so bugs can be filed and packages can be fixed. Last time I tried it, /etc was a

Re: deprecating /usr as a standalone filesystem?

2009-05-11 Thread Roger Leigh
On Mon, May 11, 2009 at 09:59:36AM -0300, Henrique de Moraes Holschuh wrote: On Mon, 11 May 2009, Goswin von Brederlow wrote: A read-only / should work out of the box just like a read-only /usr. I haven't installed a fresh one in a long while though so if you know of problems speak up so

Re: deprecating /usr as a standalone filesystem?

2009-05-11 Thread Manoj Srivastava
On Mon, May 11 2009, Goswin von Brederlow wrote: Henrique de Moraes Holschuh h...@debian.org writes: On Mon, 11 May 2009, Goswin von Brederlow wrote: A separate /usr *is* the way to go if you don't want any writes in that filesystem 99.9% of the time (i.e. when you're not doing an

Re: deprecating /usr as a standalone filesystem?

2009-05-11 Thread Roger Leigh
On Mon, May 11, 2009 at 09:20:44AM -0500, Manoj Srivastava wrote: On Mon, May 11 2009, Goswin von Brederlow wrote: Henrique de Moraes Holschuh h...@debian.org writes: On Mon, 11 May 2009, Goswin von Brederlow wrote: A separate /usr *is* the way to go if you don't want any writes in

Re: deprecating /usr as a standalone filesystem?

2009-05-11 Thread Mike Hommey
On Mon, May 11, 2009 at 04:38:59PM +0100, Roger Leigh rle...@codelibre.net wrote: There's a patch for /etc/mtab elimination; it's totally unneeded nowadays. More than unneeded, it is absolutely irrelevant when using mount namespaces. Mike -- To UNSUBSCRIBE, email to

Re: deprecating /usr as a standalone filesystem?

2009-05-11 Thread Goswin von Brederlow
Roger Leigh rle...@codelibre.net writes: On Mon, May 11, 2009 at 09:59:36AM -0300, Henrique de Moraes Holschuh wrote: On Mon, 11 May 2009, Goswin von Brederlow wrote: A read-only / should work out of the box just like a read-only /usr. I haven't installed a fresh one in a long while though

Re: deprecating /usr as a standalone filesystem?

2009-05-10 Thread Henrique de Moraes Holschuh
On Fri, 08 May 2009, David Weinehall wrote: No. But we do leave /usr read-only the rest of the time, which is often 99.999% of the time. A separate /usr is required for this. Uhm, no? mount --bind /usr /usr First, you'd need a RO bind mount (yes, it exists, but your command

Re: deprecating /usr as a standalone filesystem?

2009-05-10 Thread David Weinehall
On Sun, May 10, 2009 at 08:51:33AM -0300, Henrique de Moraes Holschuh wrote: On Fri, 08 May 2009, David Weinehall wrote: No. But we do leave /usr read-only the rest of the time, which is often 99.999% of the time. A separate /usr is required for this. Uhm, no? mount

Re: deprecating /usr as a standalone filesystem?

2009-05-10 Thread Harald Braumann
On Tue, 5 May 2009 17:36:02 +0200 m...@linux.it (Marco d'Itri) wrote: I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no other distribution worth mentioning does it (not

Re: deprecating /usr as a standalone filesystem?

2009-05-10 Thread Goswin von Brederlow
Henrique de Moraes Holschuh h...@debian.org writes: On Fri, 08 May 2009, David Weinehall wrote: No. But we do leave /usr read-only the rest of the time, which is often 99.999% of the time. A separate /usr is required for this. Uhm, no? mount --bind /usr /usr First, you'd

Re: deprecating /usr as a standalone filesystem?

2009-05-10 Thread Daniel Dickinson
On Tue, 5 May 2009 17:36:02 +0200 m...@linux.it (Marco d'Itri) wrote: I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no other distribution worth mentioning does it

Re: deprecating /usr as a standalone filesystem?

2009-05-08 Thread David Weinehall
On Thu, May 07, 2009 at 07:27:08PM -0500, Manoj Srivastava wrote: On Thu, May 07 2009, Ben Finney wrote: Manoj Srivastava sriva...@debian.org writes: On Thu, May 07 2009, Josselin Mouette wrote: Le jeudi 07 mai 2009 à 11:02 +1000, Ben Finney a écrit : Those who want a read-only

Re: deprecating /usr as a standalone filesystem?

2009-05-08 Thread Peter Palfrader
On Fri, 08 May 2009, David Weinehall wrote: On Thu, May 07, 2009 at 07:27:08PM -0500, Manoj Srivastava wrote: No. But we do leave /usr read-only the rest of the time, which is often 99.999% of the time. A separate /usr is required for this. Uhm, no? mount --bind /usr /usr

Re: deprecating /usr as a standalone filesystem?

2009-05-08 Thread Peter Palfrader
On Fri, 08 May 2009, Peter Palfrader wrote: wea...@intrepid:~/tmp$ mkdir foo wea...@intrepid:~/tmp$ touch foo/bar wea...@intrepid:~/tmp$ sudo mount -o bind,ro foo foo wea...@intrepid:~/tmp$ touch foo/baz wea...@intrepid:~/tmp$ bind mounts don't do ro. I have been told, that starting

Re: deprecating /usr as a standalone filesystem?

2009-05-08 Thread Brett Parker
On 08 May 14:35, Peter Palfrader wrote: On Fri, 08 May 2009, David Weinehall wrote: On Thu, May 07, 2009 at 07:27:08PM -0500, Manoj Srivastava wrote: No. But we do leave /usr read-only the rest of the time, which is often 99.999% of the time. A separate /usr is required for

Re: deprecating /usr as a standalone filesystem?

2009-05-08 Thread Goswin von Brederlow
m...@linux.it (Marco d'Itri) writes: I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no other distribution worth mentioning does it (not Ubuntu, not Fedora, not SuSE). I

Re: deprecating /usr as a standalone filesystem?

2009-05-08 Thread Goswin von Brederlow
Roger Leigh rle...@codelibre.net writes: On Tue, May 05, 2009 at 06:49:47PM +0200, Josselin Mouette wrote: Le mardi 05 mai 2009 à 17:24 +0100, Roger Leigh a écrit : That might have been a traditional reason for a shared /usr. However, the package manager can't cope with this setup since

Re: deprecating /usr as a standalone filesystem?

2009-05-08 Thread Goswin von Brederlow
Giacomo Catenazzi c...@debian.org writes: Roger Leigh wrote: On Tue, May 05, 2009 at 05:41:06PM +0200, Stéphane Glondu wrote: Marco d'Itri a écrit : I know that Debian supports this, but I also know that maintaning forever large changes to packages for no real gain sucks. A partial list of

Re: deprecating /usr as a standalone filesystem? [386 support]

2009-05-08 Thread Goswin von Brederlow
Josselin Mouette j...@debian.org writes: Le mardi 05 mai 2009 à 23:38 +0200, Frank Lin PIAT a écrit : Interesting. I thought 386 wasn't supported anymore (?) AFAIK the kernel is able to emulate a 486 when running on a 386. Afaik only when properly patched to do so and including glibc

Re: deprecating /usr as a standalone filesystem?

2009-05-08 Thread Goswin von Brederlow
Stefano Zacchiroli z...@debian.org writes: On Wed, May 06, 2009 at 12:10:54AM +0200, Joerg Jaspert wrote: So, does anybody still see reasons to continue supporting a standalone /usr? There had been lots of responses to that. Yes, the most repeated argument has been mount /usr via NFS.

Re: deprecating /usr as a standalone filesystem?

2009-05-07 Thread Joerg Jaspert
So, does anybody still see reasons to continue supporting a standalone /usr? There had been lots of responses to that. You havent presented any supporting your request, so why do you want it? Please provide a detailed real-world case. A partial list of invalid reasons is: - Some upstream

Re: deprecating /usr as a standalone filesystem?

2009-05-07 Thread Josselin Mouette
Le jeudi 07 mai 2009 à 11:02 +1000, Ben Finney a écrit : Those who want a read-only ‘/usr’ don't seriously try to leave it read-only while installing or upgrading packages, do they? But with RPM this works! -- .''`. Josselin Mouette : :' : `. `' “I recommend you to learn English in

Re: deprecating /usr as a standalone filesystem?

2009-05-07 Thread Stephen Gran
This one time, at band camp, Josselin Mouette said: Le jeudi 07 mai 2009 à 11:02 +1000, Ben Finney a écrit : Those who want a read-only ‘/usr’ don't seriously try to leave it read-only while installing or upgrading packages, do they? But with RPM this works! If that is the case, that's

Re: deprecating /usr as a standalone filesystem?

2009-05-07 Thread Giacomo A. Catenazzi
Stephen Gran wrote: This one time, at band camp, Josselin Mouette said: Le jeudi 07 mai 2009 à 11:02 +1000, Ben Finney a écrit : Those who want a read-only ‘/usr’ don't seriously try to leave it read-only while installing or upgrading packages, do they? But with RPM this works! If that is

Re: deprecating /usr as a standalone filesystem?

2009-05-07 Thread Josselin Mouette
Le jeudi 07 mai 2009 à 09:37 +0200, Giacomo A. Catenazzi a écrit : Stephen Gran wrote: But with RPM this works! If that is the case, that's about the only thing that works with RPM. Or I missed what RPM do with read-only partitions? Next time I’ll add the irony tags. There has been a

Re: deprecating /usr as a standalone filesystem?

2009-05-07 Thread Henrique de Moraes Holschuh
On Thu, 07 May 2009, Ben Finney wrote: Those who want a read-only ???/usr??? don't seriously try to leave it read-only while installing or upgrading packages, do they? No. And we hook apt to automatically remount stuff rw before it, and try to remount ro after. It is easy, it works

Re: deprecating /usr as a standalone filesystem?

2009-05-07 Thread Richard A Nelson
On Tue, 5 May 2009, Russ Allbery wrote: Stefano Zacchiroli z...@debian.org writes: Yes, the most repeated argument has been mount /usr via NFS. Unfortunately, nobody yet explained how do they update the resulting cluster of machines. It's not particularly difficult. You update the system

Re: deprecating /usr as a standalone filesystem?

2009-05-07 Thread Manoj Srivastava
On Thu, May 07 2009, Josselin Mouette wrote: Le jeudi 07 mai 2009 à 11:02 +1000, Ben Finney a écrit : Those who want a read-only ‘/usr’ don't seriously try to leave it read-only while installing or upgrading packages, do they? ,[ Excerpt from /etc/apt/apt.conf ] | DPkg | { |// Auto

Re: deprecating /usr as a standalone filesystem?

2009-05-07 Thread Ben Finney
Manoj Srivastava sriva...@debian.org writes: On Thu, May 07 2009, Josselin Mouette wrote: Le jeudi 07 mai 2009 à 11:02 +1000, Ben Finney a écrit : Those who want a read-only ‘/usr’ don't seriously try to leave it read-only while installing or upgrading packages, do they? ,[

Re: deprecating /usr as a standalone filesystem?

2009-05-07 Thread Manoj Srivastava
On Thu, May 07 2009, Ben Finney wrote: Manoj Srivastava sriva...@debian.org writes: On Thu, May 07 2009, Josselin Mouette wrote: Le jeudi 07 mai 2009 à 11:02 +1000, Ben Finney a écrit : Those who want a read-only ‘/usr’ don't seriously try to leave it read-only while installing or

Re: deprecating /usr as a standalone filesystem?

2009-05-07 Thread Giacomo Catenazzi
Ben Finney wrote: Manoj Srivastava sriva...@debian.org writes: On Thu, May 07 2009, Josselin Mouette wrote: Le jeudi 07 mai 2009 à 11:02 +1000, Ben Finney a écrit : Those who want a read-only ‘/usr’ don't seriously try to leave it read-only while installing or upgrading packages, do they?

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Giacomo Catenazzi
Stefano Zacchiroli wrote: On Wed, May 06, 2009 at 12:10:54AM +0200, Joerg Jaspert wrote: So, does anybody still see reasons to continue supporting a standalone /usr? There had been lots of responses to that. Yes, the most repeated argument has been mount /usr via NFS. Unfortunately, nobody

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Russ Allbery
Giacomo Catenazzi c...@debian.org writes: - On large parallel systems, people use something more than a base debian console installation. Usually on net you have a complete copy for root, var etc (in case of compromised computers. Very handy instead of reinstalling the system) So

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Johan Henriksson
Well, some people argued for that. Like you, I'm wondering how one actually does this in practice! However there are some rather more reasonable uses which have been mentioned: - read-only /usr (for security) - backups - recovery (ability to mount root only; important if there's fs

Re: deprecating /usr as a standalone filesystem? [/usr on NFS]

2009-05-06 Thread Frank Lin PIAT
On Tue, 2009-05-05 at 16:25 -0700, Russ Allbery wrote: Stefano Zacchiroli z...@debian.org writes: Yes, the most repeated argument has been mount /usr via NFS. Unfortunately, nobody yet explained how do they update the resulting cluster of machines. It's not particularly difficult. You

Re: deprecating /usr as a standalone filesystem? [/usr on NFS]

2009-05-06 Thread Russ Allbery
Frank Lin PIAT fp...@klabs.be writes: On Tue, 2009-05-05 at 16:25 -0700, Russ Allbery wrote: It's not particularly difficult. You update the system master and push that update into NFS, synchronizing any non-/usr data as you need to across all the systems mounting that NFS partition. I

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Gabor Gombas
On Wed, May 06, 2009 at 12:30:14AM +0200, Stefano Zacchiroli wrote: Of course the problem is that if you update on the NFS server, then related /etc and /var files [1] will not get updated on the NFS client machines and you need to propagate changes there. One thing to remember is when you

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Josselin Mouette
Le mardi 05 mai 2009 à 16:25 -0700, Russ Allbery a écrit : It's not particularly difficult. You update the system master and push that update into NFS, synchronizing any non-/usr data as you need to across all the systems mounting that NFS partition. Sure, but what is the point of doing that

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Josselin Mouette
Le mardi 05 mai 2009 à 23:15 -0700, Russ Allbery a écrit : I think it's pretty unlikely that *most* Debian machines are done that way. There are a lot better tools for keeping large numbers of systems in sync these days than simple cloning from golden images, and a lot of drawbacks to the

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Philipp Kern
On 2009-05-06, Russ Allbery r...@debian.org wrote: Giacomo Catenazzi c...@debian.org writes: - On large parallel systems, people use something more than a base debian console installation. Usually on net you have a complete copy for root, var etc (in case of compromised computers. Very

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Daniel Ruoso
Em Qua, 2009-05-06 às 00:30 +0200, Stefano Zacchiroli escreveu: On Wed, May 06, 2009 at 12:10:54AM +0200, Joerg Jaspert wrote: So, does anybody still see reasons to continue supporting a standalone /usr? There had been lots of responses to that. Yes, the most repeated argument has been

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Marco d'Itri
On May 05, Steve Langasek vor...@debian.org wrote: This is false for Ubuntu. Not only is it supported, but significant effort was put into *fixing* a /usr-as-separate-mount bug in Ubuntu 9.04 as pertains to wpasupplicant. You may want to discuss this with Keybuk then, because he still

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Stefano Zacchiroli
On Wed, May 06, 2009 at 09:38:39AM -0300, Daniel Ruoso wrote: Simple. sarcasm Sure, that's precisely what I'd call being properly supported in Debian. /sarcasm In particular, from the replies to my question the picture I get is that everybody is using ad hoc solutions to implement what some

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Giacomo A. Catenazzi
Stefano Zacchiroli wrote: On Wed, May 06, 2009 at 09:38:39AM -0300, Daniel Ruoso wrote: Simple. sarcasm Sure, that's precisely what I'd call being properly supported in Debian. /sarcasm In particular, from the replies to my question the picture I get is that everybody is using ad hoc

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Peter Palfrader
On Wed, 06 May 2009, Stefano Zacchiroli wrote: Of the two one: - We decide that mounting /usr remotely is a Debian goal. If we do so, the mechanisms to make it work should not be as ad hoc as this thread as hinted. We should provide a package explicitly made to make this workflow

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Giacomo A. Catenazzi
Stefano Zacchiroli wrote: A few side notes: * everybody overlooked the subtle theoretical problem that our maintainer scripts can potentially do *everything* on the file system and *everywhere*, and that they are written in a Turing complete language (shell script). This means that you

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Peter Samuelson
[Stefano Zacchiroli] The trick of fiddling the dpkg database on the client machine and then run dpkg --configure -a there is indeed nice. But again, requesting our users to do that, potentially messing up with the dpkg database, is IMO not something we can call being properly

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Stefano Zacchiroli
On Wed, May 06, 2009 at 03:06:34PM +0200, Giacomo A. Catenazzi wrote: But system administration is per definition ad hoc solution. This is our power. Why we give sources? Also to allow us to tweak debian. This is a utterly poor argument. I can easily twist it against you by saying why we give

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Giacomo A. Catenazzi
Stefano Zacchiroli wrote: On Wed, May 06, 2009 at 03:06:34PM +0200, Giacomo A. Catenazzi wrote: But system administration is per definition ad hoc solution. This is our power. Why we give sources? Also to allow us to tweak debian. This is a utterly poor argument. I can easily twist it against

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Gabor Gombas
On Wed, May 06, 2009 at 03:31:23PM +0200, Stefano Zacchiroli wrote: Anyhow, *you* don't understand the problem and you are probably the only one thinking I'm selling vapor. From other people's replies I conclude that the problem is quite clear and my vapor was so concrete that others hinted

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Josselin Mouette
Le mercredi 06 mai 2009 à 08:57 -0500, Peter Samuelson a écrit : Also, this procedure would be much more reliable if we said, in Policy, that maintainer scripts are not allowed to fail if /usr is not writable. (mount -o ro, SELinux, chattr +i, NFS root_squash, whatever.) Would you support

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Henrique de Moraes Holschuh
On Tue, 05 May 2009, Marco d'Itri wrote: I know that Debian supports this, but I also know that maintaning forever large changes to packages for no real gain sucks. I wonder what these are, and I hope you will start a separate thread with that information. So, does anybody still see reasons

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Thibaut Paumard
Le 6 mai 09 à 00:30, Stefano Zacchiroli a écrit : On Wed, May 06, 2009 at 12:10:54AM +0200, Joerg Jaspert wrote: So, does anybody still see reasons to continue supporting a standalone /usr? There had been lots of responses to that. Yes, the most repeated argument has been mount /usr via

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Iustin Pop
On Wed, May 06, 2009 at 02:56:20PM +0200, Stefano Zacchiroli wrote: In particular, from the replies to my question the picture I get is that everybody is using ad hoc solutions to implement what some people are pretending to be properly supported by Debian. I found it not defendable, maybe

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Russ Allbery
Philipp Kern tr...@philkern.de writes: On 2009-05-06, Russ Allbery r...@debian.org wrote: I think it's pretty unlikely that *most* Debian machines are done that way. There are a lot better tools for keeping large numbers of systems in sync these days than simple cloning from golden images,

Re: deprecating /usr as a standalone filesystem? [386 support]

2009-05-06 Thread Josselin Mouette
Le mardi 05 mai 2009 à 23:38 +0200, Frank Lin PIAT a écrit : Interesting. I thought 386 wasn't supported anymore (?) AFAIK the kernel is able to emulate a 486 when running on a 386. -- .''`. Josselin Mouette : :' : `. `' “I recommend you to learn English in hope that you in `-

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Stefano Zacchiroli
On Wed, May 06, 2009 at 09:36:56PM +0200, Iustin Pop wrote: - We decide that if you want to mount /usr remotely you are on your own. If we do so, we should stop using mount /usr remotely as an argument for keeping /usr as a single filesystem. What about the (many) arguments made

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Matthew Johnson
On Thu May 07 00:38, Stefano Zacchiroli wrote: What about the (many) arguments made here about the *other* reasons to have /usr a separate filesystem? I've nothing against them, I was countering only this precise argument. FWIW, I haven't seen that many, though the one about read-only

Re: deprecating /usr as a standalone filesystem?

2009-05-06 Thread Ben Finney
Peter Samuelson pe...@p12n.org writes: Also, this procedure would be much more reliable if we said, in Policy, that maintainer scripts are not allowed to fail if /usr is not writable. (mount -o ro, SELinux, chattr +i, NFS root_squash, whatever.) Would you support that policy? I suspect

deprecating /usr as a standalone filesystem?

2009-05-05 Thread Marco d'Itri
I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no other distribution worth mentioning does it (not Ubuntu, not Fedora, not SuSE). I know that Debian supports this, but I also

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Stéphane Glondu
Marco d'Itri a écrit : I know that Debian supports this, but I also know that maintaning forever large changes to packages for no real gain sucks. Could you elaborate on the kind of large changes there are in Debian to support this? A partial list of invalid reasons is: [...] How about: my

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Marco d'Itri
On May 05, Bastien ROUCARIES roucaries.bast...@gmail.com wrote: - NFS This is not detailed. - for my wifi box (ie a 386 SX with 8MB of flash) This is not real world. -- ciao, Marco signature.asc Description: Digital signature

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Josselin Mouette
Le mardi 05 mai 2009 à 17:36 +0200, Marco d'Itri a écrit : I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no other distribution worth mentioning does it (not Ubuntu, not

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Bastien ROUCARIES
On Tue, May 5, 2009 at 5:36 PM, Marco d'Itri m...@linux.it wrote: I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no other distribution worth mentioning does it (not Ubuntu,

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Marco d'Itri
On May 05, Stéphane Glondu st...@glondu.net wrote: Could you elaborate on the kind of large changes there are in Debian to support this? I'd rather not change subject. A partial list of invalid reasons is: [...] How about: my /usr is shared by many machines over NFS? Do you actually *do*

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Giacomo A. Catenazzi
Marco d'Itri wrote: I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no other distribution worth mentioning does it (not Ubuntu, not Fedora, not SuSE). I know that Debian

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Bastien ROUCARIES
On Tue, May 5, 2009 at 5:43 PM, Marco d'Itri m...@linux.it wrote: On May 05, Bastien ROUCARIES roucaries.bast...@gmail.com wrote: - NFS This is not detailed. /usr NFS shared. Scientific grid use this stuff and it is real world. But may be it is too big for debian ;) - for my wifi box (ie a

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Roger Leigh
On Tue, May 05, 2009 at 05:41:06PM +0200, Stéphane Glondu wrote: Marco d'Itri a écrit : I know that Debian supports this, but I also know that maintaning forever large changes to packages for no real gain sucks. A partial list of invalid reasons is: [...] How about: my /usr is shared

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Manoj Srivastava
On Tue, May 05 2009, Marco d'Itri wrote: I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no other distribution worth mentioning does it (not Ubuntu, not Fedora, not SuSE).

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Josselin Mouette
Le mardi 05 mai 2009 à 17:24 +0100, Roger Leigh a écrit : That might have been a traditional reason for a shared /usr. However, the package manager can't cope with this setup since you have some components of a package installed locally and some remotely for all systems using the shared part.

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Giacomo Catenazzi
Roger Leigh wrote: On Tue, May 05, 2009 at 05:41:06PM +0200, Stéphane Glondu wrote: Marco d'Itri a écrit : I know that Debian supports this, but I also know that maintaning forever large changes to packages for no real gain sucks. A partial list of invalid reasons is: [...] How about: my

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Lucas Nussbaum
On 05/05/09 at 17:58 +0200, Bastien ROUCARIES wrote: On Tue, May 5, 2009 at 5:43 PM, Marco d'Itri m...@linux.it wrote: On May 05, Bastien ROUCARIES roucaries.bast...@gmail.com wrote: - NFS This is not detailed. /usr NFS shared. Scientific grid use this stuff and it is real world. But

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Manoj Srivastava
On Tue, May 05 2009, Marco d'Itri wrote: On May 05, Stéphane Glondu st...@glondu.net wrote: Could you elaborate on the kind of large changes there are in Debian to support this? I'd rather not change subject. This is not a change of subject. You are starting a haevy duty thread

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread John H. Robinson, IV
Marco d'Itri wrote: I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no other distribution worth mentioning does it (not Ubuntu, not Fedora, not SuSE). Do you mean that: 1)

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Steve Langasek
On Tue, May 05, 2009 at 05:36:02PM +0200, Marco d'Itri wrote: I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no other distribution worth mentioning does it (not Ubuntu, not

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Iustin Pop
On Tue, May 05, 2009 at 05:36:02PM +0200, Marco d'Itri wrote: I have been told by upstream maintainers of one of my packages and by prominent developers of other distributions that supporting a standalone /usr is too much work and no other distribution worth mentioning does it (not Ubuntu, not

Re: deprecating /usr as a standalone filesystem?

2009-05-05 Thread Bernd Zeimetz
Marco d'Itri wrote: On May 05, Bastien ROUCARIES roucaries.bast...@gmail.com wrote: - NFS This is not detailed. - for my wifi box (ie a 386 SX with 8MB of flash) This is not real world. It is. But as it seems you're living on a different world, so better don't start touching the real

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