On 9/19/26 21:51, nwe wrote:
On 9/19/26 11:28 PM, David Christensen wrote:
I am uncertain of the exact steps required to "add a snapshot URL to
your sources". Here is my failed attempt:
I just went through that a bit ago. Here is what ended up working on my
machine:
deb http://deb.debian.org/debian bullseye main contrib non-free
deb-src http://deb.debian.org/debian bullseye main contrib non-free
deb http://deb.debian.org/debian bullseye-updates main contrib non-free
deb-src http://deb.debian.org/debian bullseye-updates main contrib non-free
deb http://archive.debian.org/debian bullseye-backports main contrib
non-free
deb-src http://archive.debian.org/debian bullseye-backports main contrib
non-free
#deb http://security.debian.org/debian-security/ bullseye-security main
contrib non-free
#deb-src http://security.debian.org/debian-security/ bullseye-security
main contrib non-free
deb [check-valid-until=no] http://snapshot.debian.org/archive/debian-
security/20260903T220410Z/ bullseye-security main contrib non-free
deb-src [check-valid-until=no] http://snapshot.debian.org/archive/
debian-security/20260903T220410Z/ bullseye-security main contrib non-free
2026-09-19 21:40:06 root@laalaa ~
# vi /etc/apt/sources.list
2026-09-19 22:54:20 root@laalaa ~
# cat /etc/apt/sources.list
deb http://deb.debian.org/debian/
bullseye main contrib non-free
deb-src http://deb.debian.org/debian/
bullseye main contrib non-free
deb http://deb.debian.org/debian/
bullseye-updates main contrib non-free
deb-src http://deb.debian.org/debian/
bullseye-updates main contrib non-free
deb [check-valid-until=no]
http://snapshot.debian.org/archive/debian-security/20260903T220410Z/
bullseye-security main contrib non-free
deb-src [check-valid-until=no]
http://snapshot.debian.org/archive/debian-security/20260903T220410Z/
bullseye-security main contrib non-free
2026-09-19 22:54:46 root@laalaa ~
# apt-get update
Hit:1 http://deb.debian.org/debian bullseye InRelease
Hit:3 http://deb.debian.org/debian bullseye-updates InRelease
Get:2
http://snapshot.debian.org/archive/debian-security/20260903T220410Z
bullseye-security InRelease [27.2 kB]
Hit:4 https://download.virtualbox.org/virtualbox/debian bullseye
InRelease
Get:5
http://snapshot.debian.org/archive/debian-security/20260903T220410Z
bullseye-security/non-free Sources [2896 B]
Get:6
http://snapshot.debian.org/archive/debian-security/20260903T220410Z
bullseye-security/contrib Sources [1484 B]
Get:7
http://snapshot.debian.org/archive/debian-security/20260903T220410Z
bullseye-security/main Sources [311 kB]
Get:8
http://snapshot.debian.org/archive/debian-security/20260903T220410Z
bullseye-security/main amd64 Packages [475 kB]
Get:9
http://snapshot.debian.org/archive/debian-security/20260903T220410Z
bullseye-security/main Translation-en [318 kB]
Get:10
http://snapshot.debian.org/archive/debian-security/20260903T220410Z
bullseye-security/contrib amd64 Packages [3404 B]
Get:11
http://snapshot.debian.org/archive/debian-security/20260903T220410Z
bullseye-security/contrib Translation-en [2880 B]
Get:12
http://snapshot.debian.org/archive/debian-security/20260903T220410Z
bullseye-security/non-free amd64 Packages [7528 B]
Get:13
http://snapshot.debian.org/archive/debian-security/20260903T220410Z
bullseye-security/non-free Translation-en [6456 B]
Fetched 1155 kB in 3s (449 kB/s)
Reading package lists... Done
2026-09-19 22:54:12 root@laalaa ~
# apt-get dist-upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
libarchive13 librabbitmq4
2 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 387 kB of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1
http://snapshot.debian.org/archive/debian-security/20260903T220410Z
bullseye-security/main amd64 libarchive13 amd64 3.4.3-2+deb11u5 [344 kB]
Get:2
http://snapshot.debian.org/archive/debian-security/20260903T220410Z
bullseye-security/main amd64 librabbitmq4 amd64 0.10.0-1+deb11u3 [42.9 kB]
Fetched 387 kB in 2s (248 kB/s)
Reading changelogs... Done
(Reading database ... 164054 files and directories currently installed.)
Preparing to unpack .../libarchive13_3.4.3-2+deb11u5_amd64.deb ...
Unpacking libarchive13:amd64 (3.4.3-2+deb11u5) over (3.4.3-2+deb11u4) ...
Preparing to unpack .../librabbitmq4_0.10.0-1+deb11u3_amd64.deb ...
Unpacking librabbitmq4:amd64 (0.10.0-1+deb11u3) over (0.10.0-1+deb11u2) ...
Setting up librabbitmq4:amd64 (0.10.0-1+deb11u3) ...
Setting up libarchive13:amd64 (3.4.3-2+deb11u5) ...
Processing triggers for libc-bin (2.31-13+deb11u14) ...
Thank you, everyone. :-)
David