Topic Apt

How to Set Up a Proxy on Pop!_OS
Pop!_OS 24.04's COSMIC desktop has no proxy screen. How to set a proxy that Chrome, Firefox, apt and the terminal all use, read from the code of each.

How to Set Up a Proxy on a Raspberry Pi
Raspberry Pi OS has a proxy menu in raspi-config. What it really writes, how to use it over SSH, the password trap, sudo, Chromium on the desktop and Raspberry Pi Imager behind a proxy.

How to Set Up a Proxy on Linux Mint
Linux Mint's proxy setting reaches Firefox, not the terminal or Update Manager. Every place to set it on Mint 22.3, checked against Mint's own code.

How to Set Up a Proxy on Debian
Debian keeps a proxy in five places that do not share it. Every step for GNOME, the terminal, apt and sudo, run on Debian 13 with a proxy that logs each request.

How to Set Up a Proxy on Ubuntu
Four places hold a proxy on Ubuntu. Which one reaches your program, the exact commands for each, and the check that proves it. Measured on Ubuntu 24.04.
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