Author: johayek
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perl’s Text::CSV – on github – does not need compilation
https://github.com/makamaka/Text-CSV Sometimes I need its CSV.pm and CSV_PP.pm on my NAS-s in order to link them into some perl installation.
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Google Contacts: birthdays keep disappearing instantly
Every birthday I am entering, disappears immediately. Birthdays, that I entered before, seem lost. What’s that? I only found the issues regarding Google Calendar – are they related?
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How to Change Input Language Using Keyboard Shortcut in Windows 10
https://www.top-password.com/blog/change-input-language-using-keyboard-shortcut-in-windows-10/ “Left Alt+Shift” is something, that I type w/o intending to change my keyboard language / layout, so I prefer to remove that shortcut. (I must admit, I am an Emacs user – and I prefer to use the usual shortcuts within Emacs.)
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Starting with 2.54, Jenkins now requires Java 8
https://jenkins.io/blog/2017/04/10/jenkins-has-upgraded-to-java-8/
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Jenkins vs Java8 – SSL, fonts, “-Djava.awt.headless=…”, …
I had to migrate from Java7 to Java8 eventually. When you start launching your jenkins WAR file, you will run into at least these issues: for HTTPS you are requested to create a certificate “-Djava.awt.headless=…” font trouble In order to ignore the HTTPS / certificate noise for the time being, I switched on the HTTP…
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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…