How to make backups from PostgreSQL running in Docker Swarm?

Logging into CQLSH

remote host

export CQLSH_HOST=<rpc address>
export CQLSH_PORT=9042
cqlsh -u cassandra
Password:
cqlsh> exit

FFmpeg cheat sheet. Most helpful commands/options to use with FFmpeg

Some useful Docker and Docker Compose commands

I am tired to type each time password when I type sudo command. And you? It is possible to use sudo with no password in Ubuntu and any other Linux systems. So, do you want to use sudo without password prompt?

Do you want to play Doom 3 on Linux? It's possible!

OSS Proxy Daemon is a Linux userland OSS sound device (e.g. /dev/dsp, /dev/mixer) that supports forwarding OSS sound streams to PulseAudio and ALSA.