On 6/16/2019 9:17 PM, Richard Owlett wrote: > On 06/16/2019 11:03 AM, David Wright wrote: >> On Sat 15 Jun 2019 at 08:15:24 (-0500), Richard Owlett wrote: >>> On 06/14/2019 06:10 AM, Richard Owlett wrote: >>>> I can't remember the name of the file which identifies the >>>> association between a directory (i.e. \home) and which physical >>>> partition it is on. The file I'm looking for also identifies which >>>> partition is used for swap. >>> >>> The filename I had forgotten was /etc/fstab . >>> >>> Background: >>> I have one laptop explicitly set aside for experimenting with Debian >>> in order to determine *MY* ideal system. To this end I may have a half >>> dozen copies of Debian to chose from at boot. >>> >>> For my purposes, the Debian installer has two annoyances: >>> 1. swap area designation. >>> Everything is fine on the 1st installation. >>> On following installations, when the existing swap partition is >>> is to be used its UUID is changed. This causes grief for the >>> other installations by making swap area appear missing. My >>> personally preferred solution is to activate swap only of the >>> initial installation. For subsequent installs actually requiring >>> a swap partition, I edit its /etc/fstab . >> >> It's rather easy to work around this problem in one of two ways (at >> least): > > Ways on order of {# users}**N { N < world_population} ;/ > >> >> With a reasonable amount of memory (not a problam nowadays), just tell >> the d-i to leave the existing swap file alone and do without one. Then >> manually add the old UUID into the new installation's /etc/fstab > > *ROFL* !!!! > Been doing that forever. However, had not done it recently. > I had forgotten the filename was "/etc/fstab" ;< > >> and /etc/initramfs-tools/conf.d/resume when it's up and running. > > Never hear of that file. Will research after sending this message. > >> (If you're only installing as an experiment in installation, > > I'm not experimenting with the installation process, but with what I > want the result to be. > >> I suspect >> you won't even need to bother, because you'll be overwriting it >> shortly. >> Does top show much use of swap anyway?) > > Not a parameter of my experiment's protocol. > As I do not "know" how much swap space I require, I provide swap space > based on conservative estimates of _typical_ requirements. That > logically leads to my preference for a SINGLE large swap vs multiple > small swap areas. *YMMV* !!! > >> >> or, even easier, >> >> Use a LABEL to indicate the swap partition in all your own >> /etc/fstab files, eg: >> LABEL=swan10 none swap sw >> and in /etc/initramfs-tools/conf.d/resume. >> The d-i will of course overwrite the swap partition UUID/LABEL >> as usual, but it's trivial to reset your LABEL at the end. >> When the d-i reaches the UTC question at the end, switch to VC2 >> and type (with the appropriate values): >> # /target/sbin/swaplabel -L LLLLLL /dev/sdXN
Or use a preseed file with something like: d-i preseed/late_command string ... Or as kernel boot parameter. >> before answering the UTC question. The newly installed system >> will boot via its fresh UUID, but all your old systems will >> carry on using your LABEL as usual. (I assume that if you're >> going to keep the new system for any length of time, you will >> be editing its /etc/fstab anyway, and can set your usual LABEL >> there, as in the example above.) > > I can't parse that. > D-i allows customisation of the system to be installed to your liking by use of 'kernel boot parameter' or a 'preseed' file. -- John Doe