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Have you seen a sudden increase in the disk usage for your Zimbra environment? Patching or re-starting Zimbra may very well be the culprit. Upgrading an instance of Zimbra is never boring. It can be quite annoying and irritating, but it’s rarely boring. After having applied an official Zimbra patch …
Compare files in the two directories, and only report differences: diff -q path-1/ path-2/ Compare files in the two directories and their sub-directories, only reporting differences: diff -qr path-1/ path-2/ Follow @geek1968 on Instagram
Nextcloud, a truly wonderful open source project, allows you to create your own co-lab hub. You can choose to host it yourself, or get a Nextcloud instance at one of the many service providers, such as WebbPlatsen i Sverige AB. Nextcloud can replace many not-so-GDPR-safe alternatives and other costly solutions. …
Redmine, Ruby, Passenger-Phusion, and Nginx makes for an extremely confusing situation with dependencies, installation “instructions”, and “mismatching” package versions. Redmine wants Ruby x, your Linux distribution has Ruby y, Passenger-Phusion only works with Ruby z, and you quite often end up in a loop somewhere. This article will not do …
Flying blind is no fun and many hardware manufacturers are notoriously bad at providing info tools form their hardware for Linux. If you have an LSI-chipped RAID controller, this may come in handy. The `storcli`utility replaces the MegaCLI utility and is provided by Broadcom. You can get `storcli`here: docs.broadcom.com/docs/007.1506.0000.0000_Unified_StorCLI-PUL.zip (For …
Having recently upgraded a small VPS from Ubuntu 18.04.LTS to Ubuntu 20.04.LTS, I ran into a little snag with Emacs and its color-theme (from the emacs-goodies-el package). After some digging, it seems this is now done somewhat differently in Ubuntu 20.04.LTS. This is what my .emacs file used to contain: …
After getting files from a remote source, it is often a good idea to get some sort of fingerprint or checksum of the file, and verify it against a known value published in a place or on a website you trust. For Windows, this can be accomplished with: certutil -hashfile …
During a product launch I recently came across an “interesting” issue involving pdftk (and php-pdftk). Some of the developers had made assumptions (ever heard that one before?) about the operating environment and how things were/are configured. These assumptions were based on a development environment that in no way reflected the …
Use redis-cli to monitor redis access and activity. redis-cli monitor or telnet localhost 6379 When the connection has been made, type MONITOR Use Ctrl+C or send SIGINT to get out of redis-cli. To stop the redis session initialized with telnet, simply type QUIT and press <Enter> See more from @geek1968 …
I often use Webmin and Virtualmin to manage basic stuff on Linux servers, mostly so because others sometime need to change minor settings on these servers, and they may or may not be very familiar with doing things from the CLI. You can, of course, update Webmin and Virtualmin manually, …