Tag Archives: Linux

Bash and *nix Note no. 1

Published: July 7, 2023

7 July 2023: Ubuntu 22.04′s update notifier seems to not include the option to configure any settings, at least after certain conditions exist on a particular system.  To stop the notifier from appearing.  To stop the notifier from appearing use sudo apt-get remove update-notifier 7 July 2023: There are non-snap builds of ungoogled-chromium for Ubuntu [...]

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Minecraft Tweaks

Published: March 16, 2023

To launch java -Xms2048M -Xmx2048M –add-modules=jdk.incubator.vector -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -jar server-1.21.1.jar nogui

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Rudimentary versioning system

Published: October 19, 2020

Some time ago, Python 2 was the default language for use with Linux and Gnome 3. A set of extensions for Gnome, called Nautilus Python existed which allowed one to create customized right click menus. One of these was called “Historical Copy” and it created a lovely copy of the file with a timestamp inserted [...]

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Persistent Notification in Gnome 3

Published: August 15, 2020

This is a GTK notification in Linux that remains on screen until it is clicked. #!/usr/bin/python3 import gi gi.require_version(‘Notify’, ’0.7′) from gi.repository import Notify gi.require_version(‘Gtk’, ’3.0′) Notify.init("Hello world") Hello = Notify.Notification.new("Hello world – the heading", "This is an example notification.", "dialog-information") # https://www.devdungeon.com/content/desktop-notifications-linux-python Hello.set_urgency(2) # Highest priority Hello.show() Last updated and tested 12 December 2020 [...]

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Synchronize time on CentOS 6

Published: December 27, 2011

This will start the time service and synchronize the clocks on CentOS 6. yum install ntp chkconfig ntpd on ntpdate pool.ntp.org /etc/init.d/ntpd start

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