======================================================
debian upgrade
======================================================

apt clean
apt update
apt upgrade
apt full-upgrade
apt autoremove

lsb_release -a
cat /etc/debian_version
cat /etc/os-release

======================================================
debian 9 stretch
======================================================

cat << EOF > /etc/apt/sources.list
#

deb http://mirror.csclub.uwaterloo.ca/debian/ stretch main contrib
deb-src http://mirror.csclub.uwaterloo.ca/debian/ stretch main contrib

deb http://security.debian.org/debian-security stretch/updates main contrib
deb-src http://security.debian.org/debian-security stretch/updates main contrib

# stretch-updates, previously known as 'volatile'
deb http://mirror.csclub.uwaterloo.ca/debian/ stretch-updates main contrib
deb-src http://mirror.csclub.uwaterloo.ca/debian/ stretch-updates main contrib

# stretch-backports, previously on backports.debian.org
deb http://mirror.csclub.uwaterloo.ca/debian/ stretch-backports main contrib
deb-src http://mirror.csclub.uwaterloo.ca/debian/ stretch-backports main contrib

EOF

apt clean
apt update
apt upgrade
apt full-upgrade
apt autoremove

shutdown -r now

lsb_release -a
cat /etc/debian_version
cat /etc/os-release


======================================================
debian 10 buster
======================================================

cat << EOF > /etc/apt/sources.list
#

deb http://deb.debian.org/debian/ buster main contrib
deb-src http://deb.debian.org/debian/ buster main contrib

deb http://security.debian.org/debian-security buster/updates main contrib
deb-src http://security.debian.org/debian-security buster/updates main contrib

#### buster-updates, previously known as 'volatile'
deb http://deb.debian.org/debian/ buster-updates main contrib
deb-src http://deb.debian.org/debian/ buster-updates main contrib

# buster-backports, previously on backports.debian.org
deb http://deb.debian.org/debian/ buster-backports main contrib
deb-src http://deb.debian.org/debian/ buster-backports main contrib

EOF

apt clean
apt update
apt upgrade

root@stoe:/etc/apt# apt upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 gnustep-base-runtime : Depends: gnustep-base-common (= 1.26.0-4+deb10u1) but 1.24.9-3.1+deb9u1 is to be installed
 libgnustep-base1.26 : Depends: gnustep-base-common (= 1.26.0-4+deb10u1) but 1.24.9-3.1+deb9u1 is to be installed
E: Broken packages

apt full-upgrade
apt autoremove

shutdown -r now

lsb_release -a
cat /etc/debian_version
cat /etc/os-release

======================================================
debian 11 bullseye
======================================================

cat << EOF > /etc/apt/sources.list
#

deb http://deb.debian.org/debian bullseye main
deb-src http://deb.debian.org/debian bullseye main

deb http://deb.debian.org/debian-security/ bullseye-security main
deb-src http://deb.debian.org/debian-security/ bullseye-security main

deb http://deb.debian.org/debian bullseye-updates main
deb-src http://deb.debian.org/debian bullseye-updates main

deb http://deb.debian.org/debian bullseye-backports main contrib
deb-src http://deb.debian.org/debian bullseye-backports main contrib

EOF

apt clean
apt update
apt upgrade

root@stoe:/etc/apt# apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 gnustep-base-runtime : Depends: gnustep-base-common (= 1.28.1+really1.28.0-5) but 1.27.0-3 is to be installed
 libgnustep-base1.28 : Depends: gnustep-base-common (= 1.28.1+really1.28.0-5) but 1.27.0-3 is to be installed
E: Broken packages

apt full-upgrade
apt autoremove

shutdown -r now

lsb_release -a
cat /etc/debian_version
cat /etc/os-release

======================================================
debian 12 bookworm
======================================================

cat << EOF > /etc/apt/sources.list
#

deb http://deb.debian.org/debian bookworm main
deb-src http://deb.debian.org/debian bookworm main

deb http://deb.debian.org/debian-security/ bookworm-security main
deb-src http://deb.debian.org/debian-security/ bookworm-security main

deb http://deb.debian.org/debian bookworm-updates main
deb-src http://deb.debian.org/debian bookworm-updates main

deb http://deb.debian.org/debian bookworm-backports main contrib
deb-src http://deb.debian.org/debian bookworm-backports main contrib

EOF

apt clean
apt update
apt upgrade
apt full-upgrade
apt autoremove

shutdow -r now

lsb_release -a
cat /etc/debian_version
cat /etc/os-release

apt list --installed