All Questions
234,296
questions
0
votes
0
answers
10
views
Computer freezes such that ctrl-alt-f3 doesn't work; what are the alternatives for recovery?
It seems most questions I find is about ctrl-alt-f3 not working at all. However, that's not the case for me, it generally works. However, sometimes when playing video games, the view freezes (albeit I ...
0
votes
1
answer
35
views
Log in to remote server by using a generated public key
I have a zsh script in which I logged to a remote host want to copy some folders. The system asks me each time to give the password of local host which I want to bypass otherwise I have to enter the ...
- 379
0
votes
0
answers
11
views
Secondary internal HDD LUKS partition being remounted with different name
I have a laptop with an SSD (/dev/nvme0n1) and a secondary driver (HDD /dev/sda at boot). There's a LUKS module occupying the whole HDD with a ext4 occupying the whole LUKS. I'm running Ubuntu.
From ...
- 3,806
5
votes
3
answers
310
views
Perl: change in interpretation of shell symbols in system() invocation?
Today I noticed that something changed in Perl, probably recently, in the way it runs shell commands. Could someone explain what has changed? I cannot find the answer myself and sadly we learned about ...
- 1,421
0
votes
0
answers
6
views
Unable to run Julia "BinaryBuilder" as part of a CI process in Ubuntu 22.04 environment
We have a GitLab CI runner set up on an on-prem computer. The runner is using the "shell" executor," so the jobs are running directly in the host environment.
We have an analysis tool ...
- 101
1
vote
1
answer
25
views
Convert csv out of json in new coloumn
The below is my json code
[
{
"kind": "user",
"version": "v2",
"metadata": {
"name": "person1"
},
"...
- 17
1
vote
0
answers
32
views
Can't access file even though I am the user, I have permissions, I have chowned/chmod'd the entire directory structure, selinux off
Sorry for the copy/paste, doing this over a remote screen share:
I am on Rocky Linux and I am at a total loss as to what is going on here. I can't cat/vim this file but as you can see, I am the owner,...
- 517
0
votes
0
answers
8
views
clone uboot and embedded linux fw (openwrt) to a single binary image
I have my embedded device with the following partition:
# cat /proc/mtd
dev: size erasesize name
mtd0: 00030000 00010000 "u-boot"
mtd1: 00010000 00010000 "u-boot-env"
mtd2: ...
- 301
0
votes
4
answers
423
views
how to get the size of the folder in GB which are very large
How can I get the size of a large folder with lot of small sub folders on Linux? I just want the overall size the parent folder.
I tried du -s myfolder/ but it is taking a long time to execute and I ...
- 199
1
vote
2
answers
31
views
Limit outgoing traffic per month
I am looking at a virtual server tariff that has limited outgoing traffic for a month, with billing if the traffic is exceeded.
I would like to track the outgoing traffic automatically somehow, so ...
- 464
0
votes
1
answer
26
views
Name Server Daemon (NSD), possible to use PostgresQL/MARIADB as backend for DNS zone data?
Is it possible to store DNS zone data in a database with NSD? I have not found any documentation for that.
- 163
0
votes
0
answers
15
views
Handle automated post installation setup
I'm running a post installation setup after installing a new linux distro. Currently not all of these steps can be automated because they have circular dependencies which I would like to resolve.
...
- 215
1
vote
0
answers
10
views
Unclear delays pinging over IPsec VPN
What could be the cause if every second ping is delayed for a second when pinging through the host-to-network VPN while at the same time pinging the security gateway outside the VPN takes 13 ms on ...
- 516
2
votes
8
answers
289
views
Replace last word occurrence in file
The scenario is I want to comment out the last occurrence of a word in shell script using sed.
Assume I have temp.sh with the following content:
Abc 123 Abc
Sdf 2
Abc
Abc
Utyr
Qww
I want to replace ...
- 23
0
votes
0
answers
14
views
Does dnsmasq have a functionality to create the DNS entries automatically for the addresses it is listening on?
I'm running dnsmasq as a caching name server on a LAN facing bridge named br4. /etc/dnsmasq.conf contains "bind-interfaces" and "interface=br4". Currently I'm running a script ...
- 7,356
1
vote
2
answers
28
views
Multiple alternative ProxyJump for ssh profile
If there is one end server that can be either connected via proxy server a or proxy server b, but sometimes only one of them is working. Is there a way to specify that the ProxyJump can either be ...
- 13
0
votes
1
answer
24
views
Can Wine and/or Playonlinux be used to fix ntfs errors the way Windows does?
Very often, when a ntfs external drive cannot be mounted in Linux because of some more or less obscure motive, simply plugging it onto Windows fixes it, even without running the tool to scan and fix ...
- 1,384
0
votes
0
answers
19
views
Some files have truncated filenames with mkisofs -J -R [migrated]
I have installed mkisofs 3.02a09 (i686-pc-mingw32) on Windows 10.
I'm trying to create an ISO with mkisofs but some filenames are truncated :
PS C:\tools> mkisofs -J -R -o VDI-Michelin-Editions-...
- 1,991
0
votes
0
answers
30
views
User suddenly changed to nobody, and is restored when changing permission to a file
I was learning about git internals, doing basic commands, when suddenly I encountered this error: fatal: detected dubious ownership in repository at... I then noticed that the user is nobody. I have ...
- 1
0
votes
1
answer
11
views
How to ensure that NixOS configuration will build or use the same package versions in the future?
In Software packaging and distribution for LHCb using Nix, the authors write:
In order to facilitate this use, software must be stable for long
periods; much longer than even Long Term Support ...
- 391
1
vote
1
answer
24
views
Problems adding rules.d rule for unit with multiple tty devices
I want to add a rule under /etc/udev/rules.d for a Texas Instruments CC1352P-2 development board. On my Ubuntu server it creates two ttyACM devices:
crw-rw-rw- 1 root dialout 166, 1 Sep 28 10:37 /dev/...
- 113
1
vote
2
answers
97
views
Fix Linux grub with boot-repair with an old BIOS PC and a GPT drive?
I have a GPT formatted SSD Drive that I have moved from a rather new laptop to an older one that has an old BIOS. The Linux systems installed on it work fine (Kubuntu 22.04 and Mint 21), although I ...
- 1,384
0
votes
0
answers
17
views
Slow query log: where should be configured on mariadb o a debian 12?
If I do
show global variables like "%slow%"
I get these results
But I am not able to find where these values are set up.
I tried to find, litterally
cd /etc/mysql
grep slow -R -n
And ...
- 799
0
votes
0
answers
19
views
How to make Tint2 open system tray apps on the current workspace in Openbox?
I'm using Openbox as my window manager on Debian, and I'm facing an issue with system tray icons. When I click on a system tray icon for an application, it doesn't bring the application to the current ...
- 2,530
0
votes
0
answers
27
views
Using Terminal with a serial connection
Hello I am using terminal to output my serial connection device. I was wondering how can I get rid of the spaces when it starts a new line. On Windows I would use Putty and turn on Implicit CR in ...
1
vote
0
answers
32
views
Computer ran out of battery while formatting an MicroSD card, now card is not recognized
I bought a new Samsung 256GB Pro Endurance Micro SD Card. I wanted to format it so I could load an operating system for a Raspberry Pi. My laptop running Ubuntu 23.04 died for lack of power in the ...
- 373
0
votes
0
answers
16
views
lilo: Fatal: raid_setup: stat("/dev/nvme0n1")
I have booted Debian Live CD, and I am trying to create lilo boot record on my disk
The disk partition is mounted as /mnt/root and has the linux kernel and /etc/lilo.conf:
boot=/dev/nvme0n1
root=/dev/...
0
votes
0
answers
7
views
avahi-daemon runs with wrong hostname
I have a problem on one device where the avahi-daemon is running with the wrong hostname and it is messing up my system.
The hostname is ABC-100001 but when I check the process list it shows that
...
- 101
0
votes
0
answers
12
views
How to solve the following error from petalinux?
I have tried to use petalinux to boot a zynq 7000 board but falied to boot. I have found the following error in the petalinux and never found a solution.
Connection refused
while executing
"error ...
- 101
0
votes
2
answers
64
views
Linux How to find the id of a user who ran some particular command using sudo
In shared environment where multiple users have sudo account, I want to find out underlying user id (not a sudo account) details who has invoked particular script. Thanks.
I tried below but it does ...
- 1
0
votes
1
answer
41
views
Realteck ALC274 with a microphone array not working in Mint 21.2, with Intel HDA
I got a new windows based laptop and decided to install Mint (Mint 21.2 Cinnamon) on it. This laptop comes with a microphone array around its camera.
I got most of the hardware to work including built-...
- 101
1
vote
1
answer
36
views
Creating a compressed image of an exFAT USB drive using dd
My system is running Ubuntu 22.04.3 LTS. I plug a USB drive into that system. That USB drive (/dev/sdb) contains an Ubuntu installation, mostly in an ext4 partition (/dev/sdb3). That installation ...
- 113
1
vote
0
answers
20
views
How do I block the new TLD's in Postfix?
For the longest time it seemed like what I had in place lately worked fine to block many of these new TLD's like .shop, .online, .tech, etc. All of a sudden it seems like some are getting through and ...
0
votes
0
answers
12
views
Hibernation does not find enough memory despite nearly zero swap usage
I'm trying to diagnose an issue related to hibernation. I'm on a Lenovo Ideapad (AMD) running Manjaro and kernel 6.1.53-1-MANJARO. When I attempt a hibernate, I'm constantly getting errors about not ...
- 1
0
votes
0
answers
7
views
SO_TIMESTAMPING: Overhead?
I use SO_TIMESTAMPING with SOF_TIMESTAMPING_RX_SOFTWARE to generate software timestamps for TCP and UDP streams.
Is it known what's the overhead for using this flag? Does the throughput or the latency ...
- 203
0
votes
0
answers
21
views
Replacing Ubuntu with Mint
I'd like to replace my Ubuntu with Linux Mint on my HP Pavilion 15 (Windows 11 dual-boot).
I created a bootable USB but MOK management does not allow me to proceed. I really don't know what to do, ...
0
votes
0
answers
9
views
nmtui unable to activate wireless connection, nmcli dev status says wifi unavailable
I'm very new to using linux. When I try using nmtui to connect to wifi, the only option in "activate a connection" is wired connection. When I use nmcli dev status, it outputs wlo1 wifi ...
- 1
0
votes
0
answers
17
views
/tmp and /var/tmp as tmpfs and volatility
The use of separate file systems for different paths can protect the system from failures resulting from a file system becoming full or failing.
Check that a file system/partition has been created for ...
- 5,816
0
votes
0
answers
6
views
Creating an AP using NetworkManager results in "invalid password"
I've tried adding an AP hotspot via NetworkManager GUI and nmcli, but neither of them created a network my Android phone could connect to. I always get "invalid password". I'm pretty sure I ...
- 561
0
votes
1
answer
14
views
Mint: Connect to Raspberry Pi via SSH while connected to ProtonVPN (and vice versa)
I connect to my Raspberry Pi 4b via SSH from my Linux Mint 21.2 PC. However, while connected to ProtonVPN CLI I can't connect via SSH, I get the error ssh: Could not resolve hostname raspberrypi: Name ...
0
votes
0
answers
7
views
Trouble using jackd with ALSA and an "AudioInjector Octo"
I am attempting to run an AudioInjector Octo (a simple 8-channel audio hardware card) on a Raspberry Pi 4, running the Raspberry Lite OS.
My understanding is that ALSA manages AudioInjector - but that ...
0
votes
0
answers
36
views
Problem with root fs
I am trying to make my own linux. After I compiled it, I moved bzImage and initramfs to the /boot directory so the directory structure looks like:
/
boot
-bzImage
-initrd.img
When i then tried to ...
- 1
0
votes
1
answer
20
views
Debian: How to mirror a minor version that is not the current one
I use Debians apt-mirror to create a local mirror.
Here's the entry in /etc/apt/mirror.list for getting lastest Debian 11 - that is 11.7.
deb http://ftp.at.debian.org/debian bullseye main
What to do ...
- 519
1
vote
0
answers
15
views
Why is it recommended to add nodatacow to a VM image on BTRFS, but using a QCOW2 disk is ok?
As far as I know, it is recommended to disable copy on write for VM images to avoid performance degradation on BTRFS. However, no one recommends against using qcow2 disk image format, despite being a ...
- 141
1
vote
0
answers
17
views
eBPF vs verified Linux Kernel Modules
In what way is eBPF superior to a kernel module verified on the user-side?
I'm not disputing the value of verified code; both approaches would be fully statically verified.
Both approaches require ...
- 153
0
votes
1
answer
38
views
Wi-fi network device has Ethernet link layer
I'm capturing packets using Wireshark on my Macbook. Pinging some public IP (e.g., 8.8.8.8) shows the ICMP packets going out my en0 interface. In Wireshark's capture options, that interface is ...
- 697
0
votes
0
answers
42
views
Read physical state of keyboard modifiers in Linux (preferably in C or C++)
Is there a way to programmatically read, detect or get notified about the actual physical state of a modifier key, without requiring root level access rights?
I tried X11, XCB and XKB, but their event ...
- 1
0
votes
1
answer
51
views
zsh: no such file or directory error even though the file exists [duplicate]
I'm getting an error while executing a binary that the binary cannot be found. I can see it using other commands.
>> ls -alh ...
- 3
0
votes
1
answer
13
views
Colors different when running nvim through tmux using alacritty config
Background:
I'm just setting up an install of Arcolinux. I have a keyboard shortcut SUPER+Enter to launch alacritty.
What I want is to have alacritty automatically create and start in a new tmux ...
- 131
0
votes
0
answers
13
views
SO_TIMESTAMPING: Which timestamp is used if we read multiple packets at once?
Given Linux is used and packet timestamping is enabled with SO_TIMESTAMPING for a TCP socket and we read now some data, what timestamp will be reported if the byte-stream which we read was merged out ...
- 203