https://webwork.blog/en/tags/ubuntu/Recent content in Ubuntu on WebWork BlogHugoen-USThu, 25 Apr 2024 10:48:40 +0000https://webwork.blog/en/cli-command-w-on-linux-unix/Tue, 28 Mar 2023 10:00:00 +0000https://webwork.blog/en/cli-command-w-on-linux-unix/Even with years of experience in IT you keep running into something new. Recently I came across the CLI command w. w gives a quick overview of which users are currently logged in to the system and what they are doing.https://webwork.blog/en/server-snapshots-with-dd-over-ssh/Sat, 03 Apr 2021 15:53:18 +0000https://webwork.blog/en/server-snapshots-with-dd-over-ssh/A snapshot is an image of a disk or a system captured at a specific point in time. Depending on the environment, snapshots can be taken "online" (while the system is running) or "offline". Offline snapshots are generally preferable because they guarantee a consistent data set.https://webwork.blog/en/timezones-in-docker-containers/Tue, 23 Mar 2021 20:00:00 +0000https://webwork.blog/en/timezones-in-docker-containers/While reviewing logs from various Docker containers I ran into an issue: some containers were running with the host's local timezone (CET), others with UTC. While debugging I even spotted a third timezone in another container. The reason: every developer can pin an arbitrary timezone in their Dockerfile in 1–2 lines — definitely not a best practice, but it happened in one of the containers I was using.