OBS (XComposite) Window Capture show only “unknown” options
On OBS when I tried to used the Flatpak package on Fedora 34 with KDE, and tried to use the XComposite option to capture a specific window, all the capture options in the select...
Category: Linux
Hot To Generate a Custom Color Palette For Cacti Aggregated Graphs
I had a use case where I wanted to colorizes an aggregated graph with a nice gradient color, so I looked to see how to add a new color template to Cacti, but the...
Manually run dkms to build kernel modules
Some time dkms will fail to build a new version of a module after package upgrade or kernel upgrade, so this is my quick notes about this *note: you don’t need to add the...
Using gpg (1.x) with gpg-agent (v2.x)
If one needs to sign/encrypt multiplies files and the PGP key is encrypted, they can use the gpg-agent to keep the key accessible for some period of time and enter the password once. For...
Overwrite the default GTK theme per application
I love using a dark theme on my system, currently I’m running the Adapta theme. But not all applications looks great in dark themes, some need tweaking, this is a quick hack to overwrite...
Running Java GUI application in Docker
This is a more specific use case of running GUI application with Docker, the procedure is pretty simple (and most option are common for most GUI application), You mount the UNIX socket for the...
Setup NAT with iptables
The Setup Having this setup where Machine A like to connect the Internet via Machine B. Add the following lines to the iptables and make sure to enable forwarding on Machine B
GitKraken not loading in Fedora (libcurl.so.4 issue)
GitKraken is a very nice tool to work with git, it really simplify some of the common tasks which most users need to work with git, and the nice GUI is another plus. Long...
Upgrading Fedora Installation on DigitalOcean
I found this method works for me, #Check if user is root if [[ $EUID -ne 0 ]]; then echo “Sudo privileges required!” exit 1; fi dnf update NEXT_VERSION=25 rpm –import /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-${NEXT_VERSION}-$(uname -i) dnf...
Visualize real-time data streams with Gnuplot
Some times when I need to troubleshoot a problem, adding some visualization to the process can help a lot, especially if one need to correlate between 2 (or more) metrics in the data. But...