All Questions
240,458
questions
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Under Wayland how to allow an application window to be selected and have it then streamed to file/device?
I am on Ubuntu 24.04, and the display server is Wayland but would be great if a solution is not confined to Debian based systems. I would like to capture the video stream from an application window ...
- 5,401
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6
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Where can I find a full list of Poppler utils?
I have installed Poppler on macOS using Homebrew (brew install poppler). I know I can use pdfimages or pdftoppm, but where can I find a full list of Poppler utils? I tried man poppler, but it returns &...
- 73
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8
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usermod and groupmod inconsistency for removing multiple users/groups
I don't understand why usermod has a -r option that can be used in combination with -G to remove groups that the user belongs to, but groupmod doesn't have an option to remove multiple users from a ...
- 111
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15
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mdadm in script produces nonsesnsical error when muting output to /dev/null
Some really weird Voodoo magic is going on with mdadm in my script:
Creating RAID with: mdadm --create --run --level=1 --metadata=1.2 --raid-devices=2 /dev/md/4 /dev/nvme1n1p4 /dev/nvme0n1p4
mdadm: /...
-1
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0
answers
10
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List available packages with their summaries
To get summaries of installed packages, rpm can be used.
How can be obtained a listing that includes summaries of available packages or updates?
- 99
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1
answer
10
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How do I tell curl to try other protocols?
I tried downloading an Aeroméxico news item using
curl "https://www.aeromexico.com/en-us/am-news/new-Rome-route" -s --trace-ascii -
But it reports
== Info: HTTP/2 stream 1 was not closed ...
- 1,503
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answers
15
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How can I redirect a publicly-accessible port without allowing the target port to also be publicly accessible?
I have a web server running as non-root Debian Linux kernel 6.1.x on port :8443. I'd like to allow clients to connect over :443, so I'm using iptables for that purpose:
-A PREROUTING -p tcp -m tcp --...
1
vote
1
answer
15
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Why must the ntp server using the local clock use the default loopback ip (127.127.1.0) ？
It seems that the ntp server using the local clock must use the default loopback ip address(127.127.1.0).
If I use the local ethernet ip address for the ntp server as the source local clock, it just ...
- 333
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8
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Can't connect SPD-SAY and Festival
I'm using Puppy Linux:
Linux PuppyPC 4.9.163-lxpup-32-pae #1 SMP Thu Mar 14 15:41:19 GMT 2019 i686 i686 i686 GNU/Linux
I'm trying to use spd-say tool with festival. The problem is I can use festival ...
- 101
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25
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How can I get tput to fill the whole background without leaving a border?
I'm using bash in cygwin on a Windows laptop. I'd like to be able to change the background color of my terminal to green (actual color irrelevant) and to do that I can use either of these commands:
...
- 32.4k
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10
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Understanding the usage of fdtable entries in files_struct
I've been looking at the files_struct in https://github.com/torvalds/linux/blob/master/include/linux/fdtable.h and am struggling to understand the relationship between files_struct, fdtable and file.
...
0
votes
1
answer
9
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How to change or permanently set background image(wallpaper) in openbox WM?
Hey I just installed Arch Linux in Virtualbox btw with openbox, gdm and rofi. I wanted to set a wallpaper for the background.
So, I added this line in the end of my /home/user/.bashrc file -
feh --bg-...
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answers
10
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How to Change Avatar Picture on Fedora Linux Hyprland?
I'm using Fedora Linux with the Hyprland window manager, and I'm trying to change my user avatar picture. In GNOME, there's an easy GUI way to do this, but I can't seem to find a similar option or ...
- 1
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13
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How to use KVM and Bind in same network?
I have NAS with Ubuntu 20.04 and virtual machine (KVM) on it. Also I have Bind at host it serve not only guests machines, it works external LAN either. I use Bind for getting access all web sites of ...
- 245
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5
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gpg: No dirmngr although dirmngr is installed
I have used pass as an interface for gpg2 without problem so far on Ubuntu LTS 22.04 but suddently I cannot generate or edit new passwords:
$ pass edit newPW
gpg: connecting dirmngr at '/run/user/1000/...
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