How to use NetSpeed with LXDE?
I am using Ubuntu 20.04.2 LTS with LXDE because I prefer minimalism and functionality. GNOME 3 is unacceptably heavy on system resources. MATE (based on G...
04 Apr 2026 1 READS
SSSD with AD: use UID/GID specified on domain server instead of something random?
I have an AD environment with IDMU and specified UID/GID for my domain users. SSSD-connected domain user does not share the same UID/GID on Ubuntu as AD. ...
04 Apr 2026 1 READS
What is dpkg-reconfigure and how is it different from dpkg --configure?
I was recently given an answer to another question Help: “aptd” is maxing out my CPU? which included running the commands sudo dpkg-reconfigure -phigh -a ...
04 Apr 2026 0 READS
Giving two equal line segments AC and BD so that they bisect each other at E. Prove that quadrilateral ABCD is a Rectangle.
Given $AC=BD$ so $\angle AED= \angle CEB$ by Prop I.15 $AE+EC$ and $BE=DE$ by definition of bisect So by $SAS$, $\triangle AED$ is congruent to $\triangle...
04 Apr 2026 0 READS
Removing a fraction in the denominator
What steps do I need to take to simplify $\frac{1}{\frac{1}{\sqrt{2}}}$ to $\frac{\sqrt{2}}{1}$? Can you please explain the steps i need to take in this p...
04 Apr 2026 0 READS
Three Simultaneously Diagonalizable Matrices
I have three symmetric square matrices $M$, $G$, and $S$ with the following properties: $S$: symmetric and positive semi-definite. $M$: Fully diagonal wit...
04 Apr 2026 0 READS
What are the interesting applications of hyperbolic geometry?
I am aware that, historically, hyperbolic geometry was useful in showing that there can be consistent geometries that satisfy the first 4 axioms of Euclid...
04 Apr 2026 0 READS
How many degrees of freedom does a line have on a plane?
Using $y=ax+b$ I can get a line for every point $(a,b)$ but there are still some lines left $(x=c)$. So it seems that lines are more than points so they h...
04 Apr 2026 0 READS
Are there any open source alternatives to Landscape?
Better yet, are there any Spacewalk-like software packages that work for both RedHat-based and Debian-based systems?
04 Apr 2026 0 READS
Ubuntu Not Detecting SSD
SADA operations is AHCI. And OS drive is not encrypted. If I click "advance partition" my SSD is detected but it wrongly states there is 256GB f...
04 Apr 2026 0 READS
