removing drivers to trim memory usage

[Anonymous]

This has to be done on a per-machine install basis not a live usb
that gets taken from pc 2 pc. Overall ram usage is lower to due to
them not getting loaded. This helps making an isosnapshot smaller and
a live-persistant usb for a particular pc.

1: In a terminal using the lspci command
or using inxi -Fxz make a note of which drivers are
being used.

2: Open synaptic and do a search for the firmware and remove the ones
the pc doesn’t need. Then do another search for xservers and remove all
the extra video drivers that aren’t being used. I left the vesa, intel,
and fbdev ones on mine. Be sure to leave fbdev as the kernel loading uses it.
I also removed the amd-microcode package since This cpu is intel.
If the cpu is AMD then you could remove the intel-micrcode package.
Doing a search for printer-driver and removing the ones not needed can
trim space on a iso or usb-persist as well.

3: Apply and reboot.

4: Enjoy seeing the memory usage for overall alot lower in sudo ps_mem.py

[Moderator BobC]

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I will try this when I can get the apt-get update to work again. Its been failing for a week now.

• This reply was modified 3 years, 10 months ago by BobC.

[Anonymous]

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Hi BobC,

see if changing the repo will let you update. It
might be that server having issues.

[Moderator BobC]

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anti suggested that, but I wouldn’t know what to change it to. Its the debian servers that are failing all the time. This is running 19b1, BTW.

$ sudo apt-get update
[sudo] password for bobc:
Hit:1 http://mirrors.rit.edu/mxlinux/mx-packages/antix/buster buster InRelease
Get:2 http://ftp.us.debian.org/debian buster-updates InRelease [46.8 kB]
Get:3 http://ftp.us.debian.org/debian buster InRelease [163 kB]
Get:4 http://security.debian.org buster/updates InRelease [39.1 kB]
Reading package lists… Done
E: Release file for http://ftp.us.debian.org/debian/dists/buster-updates/InRelease is not valid yet (invalid for another 2h 50min 16s). Updates for this repository will not be applied.
E: Release file for http://ftp.us.debian.org/debian/dists/buster/InRelease is not valid yet (invalid for another 2h 50min 15s). Updates for this repository will not be applied.
E: Release file for http://security.debian.org/dists/buster/updates/InRelease is not valid yet (invalid for another 4h 46min 25s). Updates for this repository will not be applied.
bobc@Dell-i7-7559:~

• This reply was modified 3 years, 10 months ago by BobC.

[Anonymous]

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FWIW, during last weekend I had intermittent problems connecting to those same repo servers (not same as your “not valid until” errormsg), but no problems during past 2 days.

but I wouldn’t know what to change…

Based on past experiences, I’d suspect the l’il coin battery for CMOS hardware clock is kaput…

startpage.com
query: debian release file is not valid yet. Updates for this repository will not be applied
filter: results from past month, results from past week…

[ a cursory search finds no wave of recent bugreports mentioning “not valid until” ]

This, from among the search results, advises using “date -s blahbla” (see date manpage for details)
to manually adjust the time, then retry the apt update operation
https://ahelpme.com/linux/ubuntu/ubuntu-apt-inrelease-is-not-valid-yet-invalid-for-another-151d-18h-5min-59s/

[Moderator BobC]

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I bet it has to do with the time on my PC. It says 7:47, but if I right click the clock and click UTC it changes to the correct time, 12:47.

This is a newfangled, no removable battery, I7 laptop.

In the boot setup screen the time is right, but linux thinks that time is the UTC time. The fix attempts below were run at 1:28 pm but linux thinks its 8:28 am

any ideas????

bobc@Dell-i7-7559:~
$ sudo hwclock –debug
[sudo] password for bobc:
hwclock: use –verbose, –debug has been deprecated.
2019-06-20 08:28:45.045097-05:00
bobc@Dell-i7-7559:~
$ sudo dpkg-reconfigure tzdata

Current default time zone: ‘America/Chicago’
Local time is now: Thu Jun 20 08:28:58 CDT 2019.
Universal Time is now: Thu Jun 20 13:28:58 UTC 2019.

bobc@Dell-i7-7559:~
$ date -u
Thu 20 Jun 2019 01:29:24 PM UTC
bobc@Dell-i7-7559:~

• This reply was modified 3 years, 10 months ago by BobC.

[Anonymous]

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@BobC

Your time says the same as mine for “date -u”.
You could try to wrap the date command in with a wget to temporarily set the time
in sync with the internet servers like in the screenshot … it allows this one
with wrong utc times to still update. This one is also 19b1.

[Moderator BobC]

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I hate to say this, but something I tried fixed it, but I don’t know which, because nothing was apparent at the time, and when I rebooted, the time in setup was off by 5 hours, so I fixed that, and now its correct in antiX, and apt-get update works, so I’m now able to add or remove packages again.

LOL, I haven’t rebooted into Windoze, yet….

[Anonymous]

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Update addition …. I also remove the locales and language packs I don’t use to save usb/cd remaster room
and transfer storage overhead.

[Author]

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