Hello Michael <div class="gmail_quote">On Fri, Oct 7, 2011 at 2:05 PM, Michael Vogt <<a href="mailto:mvo@ubuntu.com">mvo@ubuntu.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> <div class="im">On Thu, Oct 06, 2011 at 05:15:14PM -0600, Bear Giles wrote: > I've written a few prototypes and this comes down to four issues. Some of > the details below are debian/ubuntu-specific but the same concepts will > apply to redhat. </div>[..] <div class="im">> 2. Packages should NOT be backed up. All you need is the package name and > version. Reinstall from .deb and .rpm if necessary since this way you're > sure that you never restore compromised files. </div>You may want to look at the apt-clone package for this part of the work, it supports creating/restoring this meta-data. </blockquote><div>Could you suggest something to me that how can I use apt-clone in my system restore program to backup the states of system packages. I read articles regarding that like <a href="http://swik.net/apt-clone">http://swik.net/apt-clone</a> which say that I need to have a ZFS file system for managing snapshots and also its just a front-end to apt-get. </div> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> Cheers, Michael <div><div></div><div class="h5"> > On Fri, Sep 30, 2011 at 12:01 AM, Gaurav Saxena <<a href="mailto:grvsaxena419@gmail.com">grvsaxena419@gmail.com</a>>wrote: > > > Hello Aaron > > Thanks a lot for your quick reply. > > > > On Fri, Sep 30, 2011 at 10:03 AM, Aaron C. de Bruyn <<a href="mailto:aaron@heyaaron.com">aaron@heyaaron.com</a>>wrote: > > > >> In Windows, the ability to snapshot is built into the filesystem. > >> In Linux, you must be running a filesystem that supports snapshots. I > >> know LVM supports snapshotting and I believe BRTFS has support, but > >> other than that I'm not sure. > >> > >> Yes I read the logic behind windows system restore. But I think we can > > take some other approach for this, that will be better as all users won't be > > able to spare an extra partition formatted brtfs. > > > > > >> Basically, your program would have to check the file system that is > >> used on the computer (remember Linux can have many types of file > >> systems mounted at the same time), then (in the case of LVM) make sure > >> there's enough free space to snapshot, and finally take the snapshot. > >> > >> Ok. Do I have to snapshot the whole system partition / important system > > files to the brtfs partition ? > > > > > >> When the snapshots start filling up, you would either need to delete > >> them or detect the low space and resize them. > >> > >> In my personal opinion, snapshotting in Linux is currently a pain in > >> the rear. It sounds like BTRFS could change that, but it's still a > >> ways off. > >> > >> Ok. I will try another approach that will be better as suggested by > > people here. > > > > > >> -A > >> > >> > >> On Thu, Sep 29, 2011 at 21:00, Gaurav Saxena <<a href="mailto:grvsaxena419@gmail.com">grvsaxena419@gmail.com</a>> > >> wrote: > >> > Hello all, > >> > I want to write a windows system restore like program for ubuntu , which > >> > will have options for creating restore points for the system and then > >> > restoring it back to that point. Also I will as an extension provide > >> support > >> > for older version of a file as is in windows currently. I need your help > >> to > >> > find how to start with this in ubuntu. I know that I have to snapshot > >> the > >> > system when creating a restore point and then restore it. I need some > >> > starting pointers so that I can start doing this work. Also if this has > >> > already been done please inform me. I got this idea from > >> > <a href="https://wiki.ubuntu.com/SystemRestore" target="_blank">https://wiki.ubuntu.com/SystemRestore</a>. > >> > -- > >> > Thanks and Regards , > >> > Gaurav > >> > > >> > -- > >> > Ubuntu-devel-discuss mailing list > >> > <a href="mailto:Ubuntu-devel-discuss@lists.ubuntu.com">Ubuntu-devel-discuss@lists.ubuntu.com</a> > >> > Modify settings or unsubscribe at: > >> > <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss</a> > >> > > >> > > >> > > > > > > > > -- > > Thanks and Regards , > > Gaurav > > > > > > > > -- > > Thanks and Regards , > > Gaurav > > > > -- > > Ubuntu-devel-discuss mailing list > > <a href="mailto:Ubuntu-devel-discuss@lists.ubuntu.com">Ubuntu-devel-discuss@lists.ubuntu.com</a> > > Modify settings or unsubscribe at: > > <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss</a> > > > > > -- > Ubuntu-devel-discuss mailing list > <a href="mailto:Ubuntu-devel-discuss@lists.ubuntu.com">Ubuntu-devel-discuss@lists.ubuntu.com</a> > Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss</a> </div></div></blockquote></div> <div> </div>-- Thanks and Regards , Gaurav