All Questions
217,563
questions
0
votes
0
answers
2
views
Ubuntu dell laptop display showing misaligned screen
After I woke up I saw my laptop display is showing misaligned screen.I have no idea whether I rollover on my laptop while sleeping.
Display as shown in my video recorded link https://youtu.be/WUebZiK-...
0
votes
0
answers
5
views
Change the printed memory usage from dot to comma and then calculate the memory usage in %
So far, in a previously asked question: Calculate the real memory usage (memtotal - memfree - cached - bufferd) with /proc/meminfo one-liner
With many thanks to @Philippos this command prints the ...
- 3
0
votes
1
answer
3
views
Nginx configuration file and DNS
I have installed plexserver in my unbunu server with a local ip (192.168.0.xxx) and installed nginx with a file in the /etc/nginx/sites-available/plex.conf.
I took a domain with DuckDNS, but I would ...
0
votes
0
answers
3
views
Virtual Machine Manager - Automate Repetitive Launch Steps
Each time I launch Virtual Machine Manager, I have to run this command before any virtual machines can be run successfully:
sudo virsh net-start default
On a Debian 11 desktop, how can I configure ...
- 4,311
1
vote
0
answers
6
views
How do you make a non-root user use openconnect?
Openconnect website does have a chapter called "Running as a non-root user".
However, if you read it more closely, you will see that it does not answer the question of how to run openconnect ...
- 199
0
votes
0
answers
5
views
Getting multiple clicks: How can I configure touchscreen touch sensitivity?
We are getting multiple clicks when touching a button. The button closes the window. There is another button in the same place on the window below that sometimes also gets click, though there is ...
- 123
0
votes
1
answer
10
views
Cannot install bgzip on Red Hat
I'm trying to install bgzip on red hat.
sudo yum install bgzip
says
Updating Subscription Management repositories.
Last metadata expiration check: 0:18:47 ago on Thu 19 May 2022 12:03:12 PM CDT.
No ...
- 107
0
votes
0
answers
9
views
Why 'yum clean all' is always showing the "3 files removed" message?
Through Virtual Box was installed Fedora Workstation 36. It for experimental purposes.
For academic purposes yum was used, the following set of commands were executed:
yum check-update
sudo yum ...
- 882
0
votes
1
answer
5
views
Does dnf work with all the latest data installed/updated got through yum?
Through Virtual Box was installed Fedora Workstation 36. It for experimental purposes.
About package/repository management there are two options yum and dnf where the latter is preferred over the ...
- 882
0
votes
0
answers
9
views
How to kill and disable rslsync?
My system is Arch+kde. The rslsync processes are auto-started and I want to turn them off.
I tried
systemctl list-unit-files | grep enabled | grep rslsync
It returns nothing.
I also checked System ...
- 151
0
votes
0
answers
5
views
VNC starts with localhost on boot
I am trying to set up VNC server on my ubuntu system. I followed these steps:
sudo apt install xfce4 xfce4-goodies
sudo apt install tightvncserver
vncpasswd
nano ~/.vnc/xstartup
#!/bin/bash
...
- 11
0
votes
0
answers
4
views
Postfix can send to everywhere except Comcast?
I have a VPS running CentOS that hosts a few websites with email. It's recently come to my attention that outgoing emails to @comcast.net addresses are not delivering. I've observed that these ...
0
votes
0
answers
5
views
sudo apt-get Conflicting values set for option
I am trying to install missing module packages in my Ubuntu installation. When trying to update Ubuntu for this, I am running into following error.
Command: sudo apt update
Error:
Conflicting values ...
0
votes
0
answers
8
views
How to export many rrd files to xml files
I have set of old rrd files, so I need to convert them to xml files and again to rrd files in a new server. In order to create xml files from whole directory, I have used following simple bash script.
...
- 41
2
votes
0
answers
25
views
Why am I able to ping hostnames defined in ~/.ssh/config?
This isn't a problem I'm trying to solve, but it's something I've been curious about for a while.
I have defined several hostnames in ~/.ssh/config, but not anywhere else. Notably, I have not defined ...
0
votes
0
answers
6
views
Kernel Panic: VFS cannot open root device or unknown block - Linux - LFS 11.0
First of all I understand there are many similar questions had been asked on many forms but those all are really not helping in my case.
I'm using Ubuntu 20 on vmware workstation. in that vmware I ...
0
votes
0
answers
8
views
Backup NAS to an external drive on a connected computer
I found some options to backup the Synology NAS to an external drive, that is directly connected to the NAS. But is it possible to backup to a computer's external harddisk?
For example, userX starts ...
- 1
0
votes
1
answer
21
views
How can i add up unused disk to existing partition folder
I have an unused 1TB HDD and I need to add it to my main storage /dev/sda3, how can I do this without modifying the files on that partition?
- 142
0
votes
0
answers
6
views
Getting sed and tr to work on OpenBSD 7.0 chroot rooted at /var/www
"tr" and "sed" and "awk" and possibly others give out segmentation fault on OpenBSD 7.0 chroot. Even without any arguments. The following script installs the binaries: ...
- 1
1
vote
0
answers
6
views
define hierarchy of history files for ZSH
My zsh syncs history across terminals. Sometimes this is useful. But many times I just need the last command ran on a specific terminal.
So I'd like to have two history files in use by each terminal ...
- 111
0
votes
0
answers
4
views
Reassembling fragments in PCAP file
We have PCAP files with long and heavily fragmented datagrams. We want to read them in Python but that avenue may not work out due to lack of PCAP reassembly support in feasible libraries. Our ...
- 582
0
votes
0
answers
6
views
Marking packets of Wireguard peers
I am working with a firewalling system that heavily relies on fwmark to
match rules to VPN connections (IPsec so far, but upgrading to WG). AFAICs
Wireguard’s fwmark capability only applies to the ...
- 1,682
1
vote
1
answer
40
views
Extracting text with expressions from a text file using grep
I have the following 2 lines in my text file and wanted to calculate duration between those lines X & Y in minutes.
line X: 18.05.2022 13:54:52 [ INFO]: Starting Component 'OWN_FUNDS_RULES' (5/15)...
- 123
2
votes
2
answers
31
views
Different behavior between SSH into VM and running SSH commands from script
I'm relatively new to shell scripting, so I apologize if this seems like a simple question to ask. I have a linux VM (debian, version 11 (bullseye)) that I can ssh into (ssh <ip>), installed a ...
- 23
0
votes
0
answers
6
views
How to make scala work?
I have stumbled upon a hiccup which I can’t get rid of.
I tried installing Scala via the homebrew command Javabrew install coursier/formulas/coursier && cs setup and followed all the ...
- 111
3
votes
2
answers
66
views
What's the POSIX-compliant way to get the epoch timestamp in a shell?
I just noticed, that POSIX date doesn't seem to have the %s or %N format items. So I can't use those. What's an alternative, yet POSIX-compliant way to get the epoch timestamp in my shell script?
- 1,864
0
votes
0
answers
8
views
Using Ctrl+Meta+n to switch to the next virtual terminal?
I am using KDE and there are virtual desktops and activities, but I want to use multiple users instead,
that is why I need to switch to the next virtual terminal, I assume that I should use loadkeys ...
- 1
0
votes
1
answer
9
views
why the journalctl --disk-usage not show the real log disk usage
when I am using this command to see the journal log size of CentOS 7:
journalctl --disk-usage
the output looks like this:
[root@k8smasterone log]# journalctl --disk-usage
Archived and active journals ...
- 351
1
vote
1
answer
38
views
Command '“export' not found when starting a terminal app in Ubuntu
Every time I start my terminal I get this message; how to get rid of it?
Command '“export' not found, did you mean:
command 'mexport' from deb mblaze (0.6-1)
Try: sudo apt install <deb name>
0
votes
0
answers
10
views
Fedora Silverblue /etc became unwritable
So basically the title. After clean install I for sure made changes to /etc/fstab. When I try to do that now I get the error: Read-only file system. Not sure when it became ro to be honest.
I also ...
- 101
1
vote
1
answer
31
views
Delete folders from a directory once it's sbatch`ed in a for loop?
I am running a command using sbatch for a tool on the server, that takes a lot of space. The command uses some directories (some files) from a main directory(tq_first) in a for loop. I was wondering ...
- 13
0
votes
0
answers
8
views
Linux network forcing named service use different gateway
I have Centos 5.4 linux server running bind 9.3.6.
One week ago it began not resolving dns , long story short for some reason it is not resolving when it is on the net via cellular gateway, however ...
- 1
1
vote
1
answer
12
views
Filter rows of a huge csv file based on values in 2 columns
I have a .csv files as shown below:
RepDate;FOO1;ProcessId;ClusterName;ProcessType
19700101;-1;Job_1000969943637142044;PROD;auswertung.mpeTestPlayer.xml
20181231;root;Job_107953405843118835;PROD;...
- 123
1
vote
1
answer
21
views
How to get around 403 errors on websites with text-based browsers?
The issue seems to stem from a misconfigured web server and has affected some domains I've came across in lynx and w3m, but links can access at least in some instances. Can this be resolved on the ...
- 222
0
votes
0
answers
21
views
Exporting Python's script errors/traceback to file with netcat
I have a Python script accessible with netcat: nc 'serverIP' port.
The Python script awaits an input from the user. If the input is expected, the script keeps running. If the input is unexpect (e.g. ...
- 1
0
votes
2
answers
28
views
modify umask of a running process
I have a program, which can be used by a group and thus the output should have group writing permission by default, thus umask 002. Of course each user could do (umask 002 && cmd).
But since ...
- 101
0
votes
1
answer
8
views
Weird debugfs behavior
I'm playing with debugfs. I first created a file:
debugfs -w /dev/vda1
> write /etc/hosts /a/b/c/d
And the file system is broken:
[root@linux2 /]# ls -l
ls: cannot access /a/b/c/d: No such file or ...
- 50.7k
0
votes
0
answers
8
views
Qubes Post-Install Problem
I already installed qubes it's booting to gui but i can't start any domain i keep getting this error.
i have amd 5600x with amd-v enabled. i think it got something to do with csm being enabled witch i ...
0
votes
2
answers
15
views
Ansible: Copy file on all the servers except on server which are not part of specific Group(2)
I have more than 200 servers on which i have to copy the Repo file and what i dont want is to copy the file on e.g AppCluster and DBCluster servers. Because Clusters have different Repo files and ...
- 3,834
3
votes
2
answers
314
views
cut /etc/passwd but without colons (:) in the resulting set of fields
I want to list the username, id and group on /etc/passwd using the following format: username uid gid
I have used the following:
cut -d: -f1,3,4 /etc/passwd
But it returns username:uid:gid. How can I ...
0
votes
0
answers
7
views
Kernel Oops does not show callstack
I have an Sipeed Lichee RV86 which is a RISC-V computer and I run Debian on that.
At my last boot, I see a kernel Oops:
[ 8.674209] systemd[1]: Started Journal Service.
[ 8.709804] Unable to ...
- 655
1
vote
1
answer
21
views
Why CentOS converts ATA bus to scsi bus?
I use libvirt + qemu to boot a VM with a disk with IDE bus
device in libvirt:
<disk type='network' device='disk'>
<driver name='qemu' type='raw' cache='none' io='native'/>
<source ...
- 13
0
votes
0
answers
12
views
How to enable USB ethernet in Arch Linux?
I have a TD-LTE wireless terminal which can be used as a external 4G network adapter. It is connected to computer through USB. When I'm using Debian 11, it can provide USB ethernet well. However, ...
1
vote
0
answers
9
views
Gnome Bluetooth not detecting devices -- Arch Linux
I have GNOME installed on my Arch Linux which is dual booted with a Windows 11 OS.
Problem:
Gnome bluetooth turns on/off but does not detect devices.
Screenshots:
When its OFF:
When its ON:
Its not ...
- 11
0
votes
1
answer
7
views
Wired Xbox One Controller Shows in lsusb but stops detecting input in steam sometimes
After a reboot, my wired controller works with steam. There is a light on the controller that is on whenever this is working. Sometimes, however, the light randomly turns off and then input stops ...
- 101
1
vote
1
answer
18
views
How to set a VPN connection in nmcli?
I want to use nmcli to connect to a VPN that I typically use Cisco Annyconnect for.
I've installed networkmanager-openconnect package (in Arch) and now I want to use it through nmcli. However, nmcli ...
- 199
0
votes
0
answers
25
views
Bluetooth headset unable to connect: org.bluez.Error.Failed br-connection-profile-unavailable
Trying to connect some wireless headphones to my laptop. They worked a couple days ago then stopped and I cant figure out why. Before that it would work for a few days then stop until I rebooted or ...
- 9
0
votes
0
answers
7
views
systemd network: why wifi gains carrier before wired
This is not a problem. I'm just curious.
I have three network devices:
eno1 : onboard ethernet
eth01 : udev named usb-ethernet adapter
wlan0 : onboard wifi
Looking through journalctl output : I see ...
- 1,390
0
votes
1
answer
7
views
How to get current window class name from script?
In my script I want to do different things depending on current active application. How can I get currently active window class name?
There is very similar question: xdotool: How to test if current ...
- 382
0
votes
1
answer
22
views
inotifywait not detecting new directories
The script below watches for close_write events in the TARGET directory and does something with the file
#!/bin/bash
TARGET=/home/*/ftp/files
inotifywait -m -r -e close_write $TARGET |
while ...
