While attempting to install a package from gem, I encountered this issue:
sudo gem install dashing Building native extensions. This could take a while… ERROR: Error installing dashing: ERROR: Failed to build gem native extension. /usr/bin/ruby1.9.1 extconf.rb /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require’: cannot load such file — mkmf (LoadError) from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require’ from extconf.rb:2:in `’ Gem files […]
The problem you have encountered is basically the package, or dependencies that are conflicting or broken and are therefore “held”.
You can check what (if any) packages are held using the following command:
dpkg –get-selections | grep hold
If there’s no packages, or no output. That means it’s probably a dependency […]
Activator error “Failed: error: SBT did not send a reply to our request, perhaps it was killed or failed to start”.
This may be because SBT isn’t installed, SBT is a “simple build tool” for scala which isn’t packaged with the main binaries. You can download and install the latest SBT from the official […]
what(): Serial Port failed to open: open: Permission denied
Trying to get access to your serial port without the need for running whatever program as sudo or root? You’re probably not in the dialout group, if that’s the case, here’s the fix:
First, check you aren’t in the group:
This will list […]
./blender connect failed: No such file or directory ndof: spacenavd not found AL lib: pulseaudio.c:331: PulseAudio returned minreq > tlength/2; expect break up Floating point exception
Download and install the associated package to your processor from here : https://launchpad.net/ubuntu/oneiric/+package/python-openal
Restart your computer and the issue should now be resolved.
During installing the OpenNi kinect drivers, found here: https://github.com/OpenNI/OpenNI, I came across this error:
make: Entering directory `/home/alex/kinect/OpenNI/Platform/Linux-x86/Build/Samples/SimpleViewer.net’ gmcs -out:../../../Bin/Release/SimpleViewer.net.exe -target:winexe -unsafe -o+ -r:OpenNI.net.dll -r:System.Windows.Forms.dll -r:System.Drawing.dll -lib:../../../Bin/Release ../../../../../Samples/SimpleViewer.net/*.cs ../../Res/AssemblyInfo-OpenNI.cs error CS0006: cannot find metadata file `System.Windows.Forms.dll’ Compilation failed: 1 error(s), 0 warnings make: *** [../../../Bin/Release/SimpleViewer.net.exe] Error 1 make: Leaving directory `/home/alex/kinect/OpenNI/Platform/Linux-x86/Build/Samples/SimpleViewer.net’ make: *** [Samples/SimpleViewer.net] […]
rosrun rviz rviz [ INFO] [1322561467.803234807]: rviz revision number 1.6.7 [ INFO] [1322561467.803351442]: ogre_tools revision number 1.6.2 [ INFO] [1322561467.803374070]: compiled against OGRE version 1.7.3 (Cthugha) [ INFO] [1322561467.946771146]: Loading general config from [/home/alex/.rviz/config] [ INFO] [1322561467.946953292]: Loading display config from [/home/alex/.rviz/display_config] [ INFO] [1322561467.972674791]: RTT Preferred Mode is PBuffer. The program ‘rviz’ received […]
After installing Steam on my linux machine in wine I noticed a really annoy bug, the windows of steam are tiled across my screen as shown in the screenshot below.
I managed to fix this by opening up the ‘Configure Wine’ program that comes with wine and under the Applications tab switching from […]
Upon testing my GitHub setup on my home computer I got the following error after inputting this:
Agent admitted failure to sign using the key. Permission denied (publickey).
You’ll need to run:
Make sure to enter the passphrase for the ssh key you generated.
After installing dropbox from the RPM package availble on the site on a new Fedora 15 install, I was unable to use yum without coming across this error:
$ update Loaded plugins: langpacks, presto, refresh-packagekit http://linux.dropbox.com/fedora/15/repodata/repomd.xml: [Errno 14] HTTP Error 404 – Not Found : http://linux.dropbox.com/fedora/15/repodata/repomd.xml Trying other mirror. http://linux.dropbox.com/fedora/15/repodata/repomd.xml: [Errno 14] HTTP Error […]