Greetings, On Mon, Apr 20, 2015 at 10:00 AM, Evgeniy Shumilov < evgeniy.shumi...@gmail.com> wrote:
> В Mon, 20 Apr 2015 15:21:53 +0200 > Michal Suchanek <hramr...@gmail.com> пишет: > > > On 20 April 2015 at 13:30, Евгений Шумилов > > <evgeniy.shumi...@gmail.com> wrote: > > > > > I'm talking not about plugins or architecture, but about ability of > > > remount current aufs branch with appending another one layer. Why it > > > should not be possible? > > > > > > I can refresh menu indexies by myself after mounting. > > > > The point here is that software installed on debian-live are Debian > > packages installed with dpkg with no changes. > > > > So the software is installed with dpkg and recorded in its database of > > installed software which is one for the whole system (live or > > otherwise) and cannot be plugged in in pieces (unless you are willing > > to do a lot of processing on said database). > > > > You can boot to ram without loading persistence snapshot all right. > > > > You might add a hack to load a snapshot after the fact once the system > > is already running. But a Debian system is not designed for that and > > will not work well like that. > > > > You can do this with other distribution that has package database > > designed to be distributed across multiple files but not Debian. You > > can make a Debian based distribution which has some additional > > packaging suitable for plugging in packages at random. But neither > > will be debian-live which is designed to just run pre-installed Debian > > system as a live system. > > > > HTH > > > > Michal > > I understand about dpkg working. But I needn't make some changes in > current dpkg base. Application is amount of files and libraries. If > some libraries exists in main system, I can plug aufs layer above with > same version and it will works fine. I planning to make squashfs from > debian packages of the same versions. Yes, I know about scripts, > that included in deb packages. I know, that it can change some other > files. Certainly, I will not have file associations in my Desktop > environment and something like this, but I can automatically makes menu > items or something else to start it. I will be able to start > application in it's path, and this application will take it's libraries > and resources from it's path. I can make some tool, that will extract > anything from deb packages and make squashes. And then if it will be > necessary, I can watch post-inst scripts and find out, what I need to > do. > > The worst thing, that can happened - I will try to install already > existing application. I think, you should get a lot of warning messages > in apt output in this case. But it's not critically. Even if > application won't be installed, I can unplug squash and reinstall it, > and than rebuild new squash with some changes. > > I also can understand, than it can be more complicated, that I can > imagine at the moment, but I want to try. > > By the way - there are some versions of puppet (DebianDog for example), > that was based on debian and it's normal working with deb packages as > good as with squashfs files. It has few squashfs files on board. Such > as base, xfce, openbox and other. You can pass options to kernel before > boot to plug one or another list of squashes. Also, you can plug it on > the fly, while working. > > So, I found points, where puppet collect options to mount and remount > aufs branches. I was able to remount "/" mount point on the fly and > anything works fine. To make it in debian-live, I should know at least > branch name. It's not matter - how was build architecture of this > distribution, if it uses aufs, you can add layer to brunch. So, I need > some prompt, where I can find it. One idea is - unpack initrd, find all > what can looks as mount point options and before each mount append > duplicate of sring with echo command in beginning and redirecting > output to the log file. Also I should make it in live scripts, but it's > just takes a time. But I hopes, somebody knows better and easier way. > > WBR Evgeniy > > This might assist since I use it to create psu files as service packs: http://live.debian.net/gitweb/?p=live-tools.git;a=blob;f=bin/live-partial-squashfs-updates;h=20da3f0c04f081c12237f3e3353e827398dbd9a1;hb=HEAD > > -- > To UNSUBSCRIBE, email to debian-live-requ...@lists.debian.org > with a subject of "unsubscribe". Trouble? Contact > listmas...@lists.debian.org > Archive: > https://lists.debian.org/20150420200042.0a24c...@work.shumilov.org > >
