Roland, et al, Thank you for your reply!
On Wed, Dec 29, 2021 at 2:13 PM Roland Clobus <rclo...@rclobus.nl> wrote: > On 28/12/2021 09:20, Daniel Lewart wrote: > > 1) Configuration > > What are the requirements for RAM and /dev/shm? > > My 8G RAM laptop defaults to 3.64G /dev/shm. > > This is fine for a standard image, but in order to build > > a gnome-core image, I needed to increase it to 6.5G. > I've got 32GB in total RAM, my /dev/shm is per default 16GB, which is > enough for the larger images. > I've measured the GNOME image. After compression it is 2.9GB, before > compression about 8.4GB. Additionally the live-build commands > cache/download some files, so you'll need some space there as well. > In /dev/shm I needed about 15GB, which just fits in my configuration. This would be good to include in the Wiki page Configuration section. > With 'only' 4GB available, I would recommend to build on a fast drive > instead of /dev/shm. My 8 GB RAM computer actually has ~7GB available for /dev/shm, which is enough for standard or gnome-core images. Fortunately, it has SSD for larger images. > > 2) Updated preparation > > Code improvements: > > wget -qN http://snapshot.notset.fr/mr/timestamp/debian/latest > -q=--quiet -> makes sense > -N=--timestamping -> why do you need this? Without -N, running wget again will create a second copy named latest.1, etc. > > export SNAPSHOT_TIMESTAMP=$(grep result latest | cut -d\" -f4) > > export SOURCE_DATE_EPOCH=$(date -d $(echo $SNAPSHOT_TIMESTAMP | > > sed -E 's/^(....)(..)(..T..)(..)(..Z)/\1-\2-\3:\4:\5/') +%s) > I see. I'm a fan of awk for slightly more complicated manipulations. > Your versions will work as well. All tools (grep, cut, sed, awk) will be > available in a default installation of Debian, so the choice between the > tools appears to me to be a matter of taste. De gustibus non est disputandum. > > 4) Everything, or at least apt-cacher-ng and /dev/shm, > > should be incorporated into the Debian Live Manual at some point. > Agreed. I plan to write those sections later. > The configuration for apt-cacher-ng and other speed-ups will eventually > get their own sub-section. > The requirements for the mount point (dev,suid) need to be documented as > well, see also https://lists.debian.org/debian-live/2021/12/msg00048.html > I would rather move the hooks and other steps to guarantee > reproducibility to a script that is located somewhere in the live-build > repository itself. All excellent. Thank you again! Daniel Lewart Urbana, Illinois
