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Freeplane hangs in Kubuntu 18.04

Submitted by Druss on Mon, 2019-03-11 17:58

Freeplane, a fork of the mind-mapping program, Freemind, works really well. Except for the fact that in my (K)Ubuntu installation, it sometimes hangs in the middle of editing a node. Once it becomes non-responsive, the only fix is to kill the process and restart the program. The version of Freeplane in Ubuntu 18.04 is 1.6.13. However, the current version (March 2019) of Freeplane is 1.7.7. So, it's highly possible that upgrading Freeplane to the latest version will fix this issue.

Create a bootable Windows installation USB drive using Linux

Submitted by Druss on Sat, 2019-01-19 02:32

I needed to install Windows and downloaded the 4.7GB Windows 10 ISO from Microsoft's website. Since I only had Linux machines at my disposal (and no DVD drives), I had to look to install the ISO on a pen drive. While the purists advocated that I use dd to accomplish this, I found that getting the USB to be bootable was something of a chore. So I looked for a friendlier solution and this is what I found for Kubuntu:

Netflix Playback Error Code: F7701-1003

Submitted by Druss on Sat, 2018-11-24 01:56

So I tried playing a video on Netflix in Firefox and while everything worked including the previews while hovering over a title, the actual movie/TV episode failed to play and resulted in the following error:

Playback Error Code: F7701-1003

The main thing that needs to be done is to enabled DRM support in Firefox's preferences section. (Look for a checkbox titled "Play DRM-controlled content".)

Ubuntu: qt.network.ssl: QSslSocket: cannot call unresolved function SSLv23_client_method

Submitted by Druss on Thu, 2018-10-11 22:29

I ran into this error today while running a python program in Kubuntu 18.04 (upgraded from 17.10):

qt.network.ssl: QSslSocket: cannot call unresolved function SSLv23_client_method

followed by a bunch of other similar SSL-related errors. When I checked apt, I found that my openSSL install was fine. A generous guy on IRC informed me that I was very likely missing libraries that the app was looking for. S/he asked me to try installing libssl1.0-dev and voila, it worked.

Hearthstone: Playonlinux install suddenly not working after update

Submitted by Druss on Thu, 2018-01-11 01:57

If your WiNE or Playonlinux installation of Hearthstone or Blizzard's Battle.Net client has suddenly stopped working after an update, one thing to try is to check if a newer version of Wine is available and install that. This usually gets me out of trouble with my Playonlinux installation.

Hearthstone: Unable to claim gift via the battle.net client on Linux (PlayonLinux)

Submitted by Druss on Thu, 2018-01-11 01:27

So, Blizzard is offering a gift to players for some reason (possibly for a bug, I forget). But on my Linux install (via Playonlinux), clicking the Gifts button at the top just brings up a blank screen. You are supposedly also able to claim the gift by logging onto battle.net in a browser. But where does one go from there? There's a "Gift history" option in your account settings section, but that does not list anything that is claimable.

Inkscape: Textfields in SVGs are replaced by black boxes (when converted to PNG)

Submitted by Druss on Sun, 2017-10-01 03:08

So I had to upload an SVG flowchart which looked great on my computer. However, when accessed from the server, certain text elements were displayed as large black boxes. This was happening only with converted PNGs of the SVG as the SVG itself rendered just fine. I initially thought that this was some kinda font issue. But apparently not. This happens because Inkscape's SVGs are not always valid and in this case, uses something called a flowRoot element which is not valid SVG.

Eclipse svn commit error: "svn: E200007: CHECKOUT can only be performed on a version resource [at this time]."

Submitted by Druss on Sat, 2017-05-13 00:10

I just ran into the following error while trying to commit (a previously working project) in Eclipse Neon:

svn: E200007: Commit failed (details follow):
svn: E200007: Commit failed (details follow):
svn: E200007: CHECKOUT can only be performed on a version resource [at this time].
svn: E175002: CHECKOUT request failed on '/svn/foo/!svn/rvr/1337/trunk/site/bar.example'
svn: E200007: Commit failed (details follow):

Kubuntu Linux: Increasing volume of audio via HDMI headphone jack

Submitted by Druss on Fri, 2017-02-03 20:56

So, I've started plugging my headphone into my monitor's headphone jack rather than the analog audio ports in my CPU and there's been a drastic reduction in the volume levels. The volume is often insufficient even when everything in my volume settings is maxed out. Here are a couple of things to try out in KDE/Kubuntu/Linux that might help alleviate the situation.

Kubuntu/Pulseaudio: Record both mic and system audio

Submitted by Druss on Fri, 2016-10-14 19:35

Today, I started dabbling in doing some screen recording in Linux and while I could find programs to record the screen, I couldn't get the audio working as I wanted. By default, the programs record either the system audio, or the mic audio (or if the program is shit, neither); they don't record both the system audio and the mic audio. The fix for this on my Kubuntu 16.04 (Xenial) system which uses the Pulseaudio system to manage audio is as follows:

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