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my Ubuntu VirtualBox virtual machine
https://pragprog.com/titles/bhcldev/ – “Small, Sharp Software Tools” – I followed the instructions in chapter “Creating an Ubuntu Virtual Machine with VirtualBox” my host OS: macOS … I chose to use the current Ubuntu LTS release (20*) as opposed to the 18* one mentioned in the book – on my 2nd try I surfed to kubuntu.org and…
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Java on Debian (and esp. the Chromebook) — as easy as it can get
https://wiki.debian.org/Java
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Debian applications on Chromebook
$ sudo apt-get install … emacs
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Get Docker CE for Debian
https://docs.docker.com/install/linux/docker-ce/debian/
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Synology DiskStation DS218+
https://www.synology.com/en-uk/products/DS218+ https://en.wikipedia.org/wiki/Docker_(software) – virtualisation software, actually: “containerisation” – after the DS713+ my 2nd attempt to get Docker running on a Synology device In order to give the software a little more air to breathe, I got a 4GB RAM module right away together with the “chassis” and the 2 3TB discs to go into the…
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Synology DiskStation DS718+
https://www.synology.com/en-uk/products/DS718+
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Linux: how to edit certain system files in a secured way: vipw, vigr, visudo
https://manpages.debian.org/unstable/passwd/vipw.8.en.html https://manpages.debian.org/unstable/passwd/vigr.8.en.html https://manpages.debian.org/unstable/sudo/visudo.8.en.html vipw and vigr are actually the same utility. You still have to also apply sudo on your command in order to gain the necessary privileges: Under certain circumstances you have to tell the utility, which (visual) editor to use: CAVEAT: the following article tells you something incorrect regarding “-s” / “–shadow” (read…
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Linux: how to grant “sudo” privileges to an account: “usermod”
https://manpages.debian.org/unstable/passwd/usermod.8.en.html CAVEAT: Do not edit any file for gaining the required effect, instead: use the following command line! Actually it adds (“–append”) ACCOUNT to a user group by the name of sudo. That works because of this entry in the file /etc/sudoers (what is the group sudo allowed to do?): In other Linux distributions the group…
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managing APT repositories: reprepro
wiki.debian.org: https://wiki.debian.org/DebianRepository/Setup#reprepro https://wiki.debian.org/DebianRepository/SetupWithReprepro wikitech.wikimedia.org: https://wikitech.wikimedia.org/wiki/Reprepro https://wikitech.wikimedia.org/wiki/APT_repository https://tools.wmflabs.org/apt-browser/ misc: https://debian-administration.org/article/286/Setting_up_your_own_APT_repository_with_upload_support https://blog.packagecloud.io/eng/2017/03/23/create-debian-repository-reprepro/ https://www.porcheron.info/setup-your-debianubuntu-repository-with-reprepro/
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Continuous Integration / Delivery for Debian packages – jenkins-debian-glue.org
https://jenkins-debian-glue.org https://jenkins-debian-glue.org/contact/ I do have Jenkins running on Debian, creating Debian packages as deployables – I plan to deploy to a Debian repository. https://wiki.jenkins.io/display/JENKINS/Debian+Pbuilder+Plugin https://blog.packagecloud.io/eng/2017/03/23/create-debian-repository-reprepro/ Automatic handling of repositorieswithout manual interaction: reprepro: https://wikitech.wikimedia.org/wiki/Reprepro freight: https://salsa.debian.org/debian/freight – the fork https://github.com/rcrowley/freight – the original https://www.systutorials.com/docs/linux/man/1-freight-cache http://midactstech.blogspot.com/2014/05/install-freight.html – maybe that only works with the original