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Ubuntu: PPAs, Full Circle Magazine, Image Processing and Linux Mint 19.1 MATE Edition

Submitted by Roy Schestowitz on Saturday 26th of January 2019 03:05:35 AM Filed under
Ubuntu
  • Ubuntu Users Can Now Keep PPAs And Third Party Repositories Enabled When Upgrading To A Newer Ubuntu Version

    A regular Ubuntu release upgrade (to a newer Ubuntu version) disables any PPA or third party repository that may be enabled.

    Some recent changes to ubuntu-release-upgrader allow keeping PPA and third party repositories enabled when upgrading to a newer Ubuntu release, while also providing better support for cases in which the users have their own mirror of the archive. This is done by using an environment variable, RELEASE_UPGRADER_ALLOW_THIRD_PARTY.

  • Full Circle Magazine: Full Circle Magazine #141

    This month:
    * Command & Conquer
    * How-To : Python, Ubuntu on an Honor 5C, and Darktable for Photographers
    * Graphics : Inkscape
    * Everyday Ubuntu: Retro Games
    * Course Review: Ruby
    * UBports Devices: OTA-7
    * Ubuntu Games: Hatari
    plus: News, Linux Loopback, The Daily Waddle, Q&A, and more.

  • Upgrading releases with PPAs

    In my years working on the Ubuntu project I’ve seen quite a lot of bug reports about people encountering failures when trying to upgrade from one release of Ubuntu to another. The most common issue, in my opinion (I have no numbers), is a system having a PPA or other 3rd party provider of packages enabled and that archive having packages which cause a failure to calculate the upgrade.

    I’ve recently made some changes to ubuntu-release-upgrader which should improve this situation. The dist-upgrader has had support for an environmental variable, RELEASE_UPGRADER_ALLOW_THIRD_PARTY, for quite a while but it didn’t actually work because do-release-upgrade and check-new-release-gtk didn’t pass the variable to the dist-upgrader. This has now been resolved and actually helps with two things. One is keeping PPAs enabled during the release upgrade process, the other provides better support for users who have their own mirror of the archive. For example, I mirror some releases of Ubuntu and when upgrading have to always respond to the dialog about using an internal mirror and saying yes to rewrite my sources.list file. But now if I use ‘RELEASE_UPGRADER_ALLOW_THIRD_PARTY=1 do-release-upgrade’ I won’t see that dialog!

  • Popular Tools for easily Cropping and Resizing images in Ubuntu

    While working with images, even as an amateur, we frequently encounter the seemingly simple task of resizing and cropping our image files. Let us first see how cropping and resizing are different from each other.

  • What’s New in Linux Mint 19.1 MATE Edition

    Linux Mint 19.1 MATE is latest release of Linux Mint 19.1 which use MATE desktop 1.20 as default desktop enviroment include MATE applications 1.20 and brings all the goodies from the Ubuntu 18.04.1 LTS (Bionic Beaver) release.

    The MATE desktop environment offers a clean and uncluttered graphical session for this Linux Mint release. It is comprised of a single panel located on the bottom edge of the screen, from where the user can access the main menu, launch applications and interact with opened windows.

»

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