Newest Questions
245,658 questions
-1
votes
0
answers
25
views
X86 arch how it route the address
In x86 architecture, when the BIOS does enumeration and assigns addresses to each device, does it then store these address ranges in the Memory Controller Hub (MCH) inside the CPU, so that when an ...
0
votes
0
answers
15
views
Flatpak Steam ignores local settings
I'm specifically simply trying to get Steam to open with the Library instead of the store and no matter what I've tried, Steam relentlessly opens with the store.
Things I've tried (all failed):
...
- 454
0
votes
1
answer
41
views
Can od -x reliably determine endianness of my system?
I've written a file with content ABC (followed by a newline character), and od gives this result:
$ od -x foo
0000000 4241 0a43
0000004
since A, B, C and newline character have hex values 0x41, 0x42, ...
- 2,364
0
votes
1
answer
28
views
Linux: how to enable second (external) monitor during early boot (initramfs)?
How do make newer kernel's (e.g. 6.14) initrd (aka initramfs, aka early user space) to recognize my external monitor(s) and duplicate output there like kernel 5.15 do?
The acceptable solution might be ...
- 1,361
1
vote
1
answer
33
views
File open(2) time complexity with many mounts
A modern system with snapd installed can reach 50+ mounts in the initial namespace. Old Unix systems' userspaces were efficient and only had a few mounts. In contrast, Docker uses namespaces so doesn'...
- 272
-1
votes
1
answer
60
views
Is there a way to continue script execution if ping fails due to nonexistent interface?
I am trying to execute a script that loops through a set list of interfaces and pings a known destination.
It is possible that one of the interfaces may not always be available. Right now, script ...
- 127
5
votes
2
answers
218
views
Limit audio output frequency
My child is hearing impaired and
can not hear frequencies above 1kHz, and
from 500Hz to 1kHz the hearing is degrading from 50% to 0,
under 500 Hz it is stable at 50%.
I would like to mimic that on ...
- 51
5
votes
2
answers
135
views
Understanding VIRT, RES and SHR in htop
I want to understand the memory usage metrics shown in htop in more detail.
My current understanding is this:
VIRT (virtual memory) - This value shows the quantity of virtual memory used. Since all ...
- 1,047
5
votes
1
answer
226
views
Msys2 bash rejects empty subexpression in regular expression
I'm running a reasonably up-to-date Msys2:
$ uname -a; bash -version
MSYS_NT-10.0-26100 md2syz7c 3.6.6-2369286a.x86_64 2026-01-14 12:29 UTC x86_64 Msys
GNU bash, version 5.3.9(1)-release (x86_64-pc-...
-2
votes
0
answers
85
views
How to search automatically using search engines without typing?
I am trying to do a search simulation using browser-based search engines. Here is what I have done:
I opened the Firefox browser to search for a generic keyword using:
/usr/bin/firefox "http://...
- 3
-4
votes
0
answers
77
views
I don't know how to connect my server to the internet [closed]
so I can upgrade and upgrade.
I don't have any routers, as I am connected directly to my internet through a ethernet switch.
please show the setup so I can connect to my server to the internet.
-1
votes
1
answer
74
views
Find all files, containing multiple keywords
I needed to find all files, containing both the words "Customer" and "Tracelevel", and my artificially intelligent friend came up with this:
find . -type f -exec grep -q "...
- 401
2
votes
1
answer
112
views
poppler version in online man pages
Different online man pages for poppler's pdftotext reports version 3.00 or 3.03.
For instance, the Debian manpage for poppler-util's pdftotext reports:
pdftotext - Portable Document Format (PDF) to ...
- 410
0
votes
1
answer
45
views
Why Ubuntu general kernel is times smaller than mainline?
https://wiki.ubuntu.com/Kernel/FAQ
The official version of an Ubuntu kernel tells you a number of things, including the base upstream version, the current Ubuntu ABI identifier and the kernel flavour....
- 1,361
0
votes
2
answers
46
views
`column` can split a line into columns with `-t` but can it wrap the result?
I have a tsv with a lot of columns and I'm trying to output a concise version of those columns formatted to 80 characters wide. I figured column would help wrap this for me, but the c flag seems to ...
- 481