command-not-found.com

Open-source web browser principally developed and maintained by Google. More information: <https://www.chromium.org/developers/how-tos/run-chromium-with-flags/>.

Install and remove services which are System-V style init script links. Init scripts are in the /etc/init.d/. More information: <https://manned.org/update-rc.d>.

Capture TCP traffic for debugging and analysis. More information: <https://manned.org/tcpflow>.

The Let's Encrypt Agent for automatically obtaining and renewing TLS certificates. Successor to letsencrypt. More information: <https://certbot.eff.org/docs/using.html>.

Tool to interactively inspect HTTP requests and responses. More information: <https://github.com/asciimoo/wuzz>.

Print the username associated with the current effective user ID. More information: <https://www.gnu.org/software/coreutils/whoami>.

Show the environment or run a program in a modified environment. More information: <https://www.gnu.org/software/coreutils/env>.

Configure symlinks and cache for shared library dependencies. More information: <https://manned.org/ldconfig>.