Mounting /proc with hidepid under Ubuntu
On most Linux systems, anyone can see everyone else’s processes, running commands, and so on. This can be achieved by simply issuing a ps ax … Read more
Joaquim Homrighausen
On most Linux systems, anyone can see everyone else’s processes, running commands, and so on. This can be achieved by simply issuing a ps ax … Read more
Music: Great White, Guns ‘n’ Roses, Pink Floyd, Five Finger Deathpunch, Mötley Crüe, AC/DC, Rammstein Drink coffee, 3L Open 4-6 SSH sessions Do Ubuntu from … Read more
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 … Read more
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 … Read more
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 … Read more
Applications, Computers, Development, Linux, Sysadmin
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 … Read more
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 … Read more
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 … Read more
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 … Read more
When or if you run into trouble with apt-get and IPv6 connections timing out or not resolving properly at all, it may be a good … Read more