Just a scratchpad of useful commands regarding packages.
apt update
apt-cache search chrome
apt-cache search chromium
apt-cache search firefox
apt-cache search firefox-geckodriver
apt-cache search geckodriver
apt-cache search chromedriver
cat /etc/apt/sources.list
chromium - web browser
chromium-common - web browser - common resources used by the chromium packages
chromium-driver - web browser - WebDriver support
chromium-sandbox - web browser - setuid security sandbox for chromium
chromium-shell - web browser - minimal shell
firefox-esr - Mozilla Firefox web browser - Extended Support Release (ESR)
apt install chromium chromium-common chromium-driver -y
cat /etc/apt/sources.list
# deb http://snapshot.debian.org/archive/debian/20210329T000000Z buster main
deb http://deb.debian.org/debian buster main
# deb http://snapshot.debian.org/archive/debian-security/20210329T000000Z buster/updates main
deb http://security.debian.org/debian-security buster/updates main
# deb http://snapshot.debian.org/archive/debian/20210329T000000Z buster-updates main
deb http://deb.debian.org/debian buster-updates main
E: Failed to fetch http://security.debian.org/debian-security/pool/updates/main/c/chromium/chromium-common_89.0.4389.114-1~deb10u1_amd64.deb 404 Not Found [IP: 151.101.54.132 80]
E: Failed to fetch http://security.debian.org/debian-security/pool/updates/main/c/chromium/chromium_89.0.4389.114-1~deb10u1_amd64.deb 404 Not Found [IP: 151.101.54.132 80]
E: Failed to fetch http://security.debian.org/debian-security/pool/updates/main/c/chromium/chromium-driver_89.0.4389.114-1~deb10u1_amd64.deb 404 Not Found [IP: 151.101.54.132 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
apt-cache policy chromium
Result:
chromium:
Installed: (none)
Candidate: 89.0.4389.114-1~deb10u1
Version table:
89.0.4389.114-1~deb10u1 500
500 http://security.debian.org/debian-security buster/updates/main amd64 Packages
88.0.4324.182-1~deb10u1 500
500 http://deb.debian.org/debian buster/main amd64 Packages
apt-cache policy chromium-common
Result:
chromium-common:
Installed: (none)
Candidate: 89.0.4389.114-1~deb10u1
Version table:
89.0.4389.114-1~deb10u1 500
500 http://security.debian.org/debian-security buster/updates/main amd64 Packages
88.0.4324.182-1~deb10u1 500
500 http://deb.debian.org/debian buster/main amd64 Packages
apt-cache policy chromium-driver
Result:
chromium-driver:
Installed: (none)
Candidate: 89.0.4389.114-1~deb10u1
Version table:
89.0.4389.114-1~deb10u1 500
500 http://security.debian.org/debian-security buster/updates/main amd64 Packages
88.0.4324.182-1~deb10u1 500
500 http://deb.debian.org/debian buster/main amd64 Packages