Questions tagged [command-line]
This tag is for questions that are about using the command-line interface (CLI), including the use of standard command-line tools and shell commands. However, for questions that are specific to each shell (like Bash, ZSH etc.), use the tag of that particular shell as well.
22,919
questions
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Error when trying to use the `sudo apt update` command [duplicate]
I am trying to use the sudo apt update command, but I keep getting the following error:
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-...
0
votes
0
answers
53
views
Regarding backup of Ubuntu account [duplicate]
I have deleted my Ubuntu account. But now I want to restore it. I have deleted it using the userdel command.
How can I get back my account?
I did not use any options like -r --remove.
1
vote
1
answer
292
views
How do I create partitions on Ubuntu Server?
Does anybody know how I am supposed to create a partition? I've tried to create one on SDA, but nothing happens, It just errors out saying: Permission Denied
I am using a "Dell PowerEdge R610&...
- 11
0
votes
1
answer
69
views
Where is the documentation that describes and explains the output of the ip link command?
Here is some fake/sample output of the ip link command.
2: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
3: eno1: <NO-CARRIER,...
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-4
votes
1
answer
128
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What Makes pgrep Utility Unique Despite ps | grep Availability? [closed]
Could someone please explain the purpose of the pgrep utility when it seems like its functionality can be replaced with ps | grep?
P.S. My teacher assigned me this question and asked me to explain why ...
- 1
0
votes
0
answers
38
views
Problem while compiling git repo
I'm trying to compile a git repository of a bioinformatics package (https://github.com/MBoemo/DNAscent) and I have been running into some problems and was hoping somebody could help with this. I'm ...
- 11
2
votes
2
answers
583
views
How to replace a file path with whitespace using sed?
I have many different files with a string in them. I need to replace this string with a path, although the path contains whitespace. So far, I have this:
for a in files_[a-z][a-z]_all\.conf ; do
...
- 23
0
votes
1
answer
136
views
Ubuntu Docker containers not retaining the history (After stop and start command)
I have recently started playing with containers but I have noticed an issue that the history does not persist after I stop and start the container (Note:- not build it).
I also made a directory to ...
- 31
0
votes
0
answers
76
views
Installing kwin window manager isn't working
When I run the command:
sudo apt install kwin-x11 --no-install-recommends
it says this:
The following packages have unmet dependencies:
libkf5newstuff5 : Depends on: libkf5newstuffcore5 (= 5.92.0-...
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4
votes
1
answer
4k
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How to solve the response of my terminal that works very slow and badly? [duplicate]
The problem is that my terminals not work great anymore.
The typing is very bad in terminal and each command response not if I press a key.
Sometimes the command runs but it ends not, but when I hit ...
- 51
0
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0
answers
69
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CLI alternative(s) to UbuntuStudio Controls? (20.04.3 LTS)
I run UbuntuStudio 20.04.3 on a somewhat old Macbook (2013), and was listening to some music through my external SuperDrive, which I doubt is as relevant as what I was using for sound output: ...
0
votes
0
answers
39
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Mark previous notification from list as read?
I am running a service that will notify as frequently as every 5 minutes on condition.
These notifications are important, but in addition to every popup, I only ever want to see the most recent ...
- 83
112
votes
7
answers
36k
views
input delay on Terminal Ubuntu 22.04.4
I have been using Ubuntu since Christmas, and just recently I have been receiving delayed input while using the Ubuntu terminal. It especially takes affect when using vim or man commands, which is ...
- 1,241
0
votes
1
answer
66
views
Password doesn't work if type too fast [closed]
So basically when I type my user password I HAVE to type it pretty slow for it to register, e.g. ~sudo, it says "Sorry, try again" but when i type it slowly it accepts the password.
I think ...
2
votes
0
answers
102
views
id3v2 reports "No ID3 tag" on MP3 file but VLC shows tags on same file
On my NAS I have a lot of MP3 files ripped from audio CDs I own and tagged with EasyTAG. The tags show just fine when playing the files in VLC. EasyTAG also shows them correctly when opening the files ...
- 3,636
0
votes
0
answers
29
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Ways to disconnect or connect power cable with a command without physically unplugging it in Ubuntu?
On ubuntu 20.04, I start looking for ways to automate the charging period of a laptop, this means that the power cable stays always plugged in, but the system must effectively internally disconnect or ...
- 11
0
votes
0
answers
95
views
uninstalling angular globally doesn't work
How can I fully uninstall angular in Ubuntu 22.04?
(dimo-labeling) (dimo-labeling) mona@ada:~/dimo-labeling/frontend$ npm uninstall -g @angular/cli
up to date in 164ms
(dimo-labeling) (dimo-labeling) ...
- 4,605
1
vote
0
answers
94
views
Can't open nautilus in home path
I'm unable to open Nautilus or Nemo in my home directory.
Behavior:
They crash immediately upon opening (when the default home path is opened).
However, I can use other paths. For example, nautilus ~/...
- 19
0
votes
0
answers
51
views
Ubuntu boot errors
I'm a new Ubuntu user (I'm just starting out), and after spending hours and hours configuring my system, I noticed that my PC was taking much longer to shut down (not even 5 seconds at first, compared ...
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-1
votes
1
answer
56
views
How do I make Ctrl-arrow skip over dots and dashes
on the commandline
How do I get my cursor to jump from a to z directly if I use ctrl-rightarrow for the word a-very-long-resource-name.12.45-ending-in-z
- 193
0
votes
0
answers
79
views
Ubuntu 22.04.2 loads to Command Line fails to Load GUI
After a recent set of upgrades Ubuntu will only load to command line. I have tried loading to older states by booting with Shift and selecting advanced start, without any luck.
I have tried to update ...
0
votes
0
answers
160
views
Fingerprint scanner not recognized
I am using a Lenovo Ideapad 3 14ITL05 with Windows 11 and Ubuntu 22.04 LTS dualbooted into it. It seems like it didn't recognize my fingerprint scanner. I typed lsusb in the terminal and this is what ...
1
vote
2
answers
154
views
Screenshot using the terminal command
I want to take screenshot using command-line in all Ubuntu version without installing any packages. There is any possibility?
0
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0
answers
20
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Does dosfsck -a log errors it found?
I have a question. Does dosfsck -a log the errors it found? Like, the specifics of the error?
Because, since it's doing it all automatically, it doesn't let the user have input, so I wondered if it ...
- 1
0
votes
0
answers
74
views
set: pipefail failing on WSL windows
I cloned this repo on WSL2 https://github.com/apache/airflow/blob/main/dev/breeze/doc/01_installation.rst#docker-in-wsl-2 and tried to build a docker image that uses also this script https://github....
- 1
1
vote
0
answers
90
views
Skip authentication popup when running command from terminal - Just fail instead
I'm coming from another distro where running a command that required administrator privileges through the terminal without sudo would cause the command to fail, usually while printing out a message ...
- 11
1
vote
0
answers
80
views
.desktop application won't open a terminal window
I have a .desktop file located in ~/.local/share/applications:
[Desktop Entry]
Name=Keg
Exec=bash -c "ssh -t rpiz 'python3 /home/pi/keg/shell.py'"
Type=Application
Terminal=True
The ...
- 111
5
votes
3
answers
711
views
How to get gzip operating recursively at all depths?
I mean to gzip all files *.vtu, at all depths below a given directory, in bash.
I have such files at depths 1 and 2 below ./.
I managed to do so with
$ gzip -v $(find . -name "*.vtu")
I ...
0
votes
0
answers
109
views
How to start a named background process when using bash?
I have a script that looks like this:
#!/bin/bash
tsx watch services/$1/src/index.ts
This will start tsc for the given service:
script/start_service some-service
If I add & the end it gets ...
- 175
0
votes
0
answers
77
views
How to find the Disconnected Xrdp sessions?
I'm using Ubuntu 22.04 with Xrdp enabled. I need a list of disconnected sessions (Users can often use the "X" to close the RDP session (therefore disconnect but not logout)).
I went through ...
2
votes
1
answer
229
views
Running an app under specific locale "formats"
I know you can use
export LANG=xx_XX.UTF8
to run a program under specific locale, but regional settings in Linux/Ubuntu also feature "Formats" option.
Is there a way to run an app under ...
- 23
1
vote
1
answer
124
views
Scheduled a computer to reboot everyday at 7AM, not sure if I did it correctly
Running Ubuntu 20.04, I have computers that I want to reboot everyday at 7AM. I followed these instructions, and I thought it was working, but now when I use the uptime command, it will often report ...
- 59
0
votes
1
answer
69
views
changing grep command --color from red to another color [duplicate]
I'm searching from the file using grep command with particular pattern,
sysadmin@localhost:~$ grep bash /etc/passwd
which return the output like below
root:x:0:0:root:/root:/bin/bash ...
0
votes
2
answers
493
views
Open Microsoft Edge in Ubuntu
I run Ubuntu on my Windows laptop, and I only use the Microsoft Edge browser. I tried to used the 'xdg-open' to open the desire website, but Microsoft Edge is not listed in the supported browser.
Can ...
0
votes
1
answer
83
views
caret character unexpected behaviour in regular expressions with grep
i was running grep commands from "William Shotts" regular expressions example.It seems,the caret character is not doing what it is supposed to do.
I have four test files with all the bin ...
- 3
0
votes
0
answers
44
views
here file does not fill token
I use a certain command quite frequently, but the command prompts a few things so I wanted to auto-fill it with here file, but it seems that for some reason it can't provide last value to the prompt. ...
1
vote
0
answers
123
views
equivalent .sh or make file for a .BAT file
I bought a book yesterday on OS development however, the book is written for windows systems and this was not mentioned in the description. I need to convert a .BAT file into an equivalent shell ...
2
votes
1
answer
106
views
I followed a solution procedure on AskUbuntu, logged out and now all my data is gone (no guest account)
I did the following to get Skype to recognise my headset microphone (which was not working), as shown as a solution on a question on this website:
rm -rf ~/.config/pulse/
Log out
Log back in
go to ...
- 95
0
votes
1
answer
728
views
Intermittent lag in command terminal?
I have a workstation that we run numerical simulations on using in-house code, submitting jobs from the command line and using vim to edit/view files. My problem is that whenever we are running at ...
- 13
0
votes
1
answer
269
views
What are zsh equivalent to bash's shopt -s globstar and shopt -s dotglob?
I need zsh equivalent to bash's shopt -s globstar and shopt -s dotglob. How can I do that?
UPDATE 01:
As per @muru's answer, I used setopt globdots in the zsh shell, and ran the following command:
for ...
- 16.4k
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0
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26
views
I get an error when trying to extract the tor browser .tar.xz file, what did i do wrong?
sudo tar -xf [TB archive]
tar: [TB: Cannot open: No such file or directory
tar: Error is not recoverable: exiting now
0
votes
1
answer
42
views
Invoke a program as a command on any working directory on ubuntu's terminal [duplicate]
I have written a program in C and produced an executable from it. I want to use this program from any pwd. One method is to make its pathname a environment variable using export. But in this method, ...
- 3
0
votes
0
answers
37
views
Unable to retrieve cache information using standard commands (lscpu, cat /proc/cpuinfo, etc.) on Raspberry Pi; seeking assistance to resolve the issue
I'm encountering difficulties retrieving cache information on my Raspberry Pi using standard commands like lscpu, cat /proc/cpuinfo, and lstopo. Despite attempting these commands with elevated ...
2
votes
3
answers
334
views
Copy a folder name into the name of its files
I have a folder with the name "Mexico" and inside I have pictures in .jpg . How do I copy the folder name into the filename.
thats current:
Mexico(folder)
1.jpg
2.jpg
thats what I ...
- 33
1
vote
2
answers
247
views
Changing Linux file names to NTFS-compatible file names [duplicate]
I must create a bash shell to rename the file names in a directory structure. In case the file name contains \ or : or a space it should be translated to _, _, and - respectively. I'm trying to use a ...
0
votes
2
answers
245
views
How to write a bash script from two commands (Find and replace a text string in all files recursively in current directory)
On Ubuntu Server, I use two different commands to find and replace a string in all files recursively in the current folder.
The first command is:
sudo find . -type f -print0 |\
xargs -0 -r sudo ...
- 113
0
votes
1
answer
299
views
How to stop wget command?
I accidentally mirrored a whole website using wget. Whenever I try to delete the downloaded file, it keeps reappearing & trying to download again. How do I stop this?
- 9
0
votes
0
answers
91
views
unable to switch to GUI mode of my Ubuntu 22.04. LTS even after attempting to update, upgadre, ubuntu-desktop, slim etc
I am unable to switch to the GUI mode of my Ubuntu 22.04. LTS even after attempting to update, upgrade, ubuntu-desktop, slim, etc. In the command-line interface, ctrl+ALt+F7 is also not working. In ...
6
votes
5
answers
1k
views
Cut folder names out of string
How do I extract the folder named test from the following string?
TRUE|/home/linux/test|(null)|
- 79
1
vote
1
answer
122
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accidentally moved almost all my files in a new directory, is it the end for me?
I was working on a big Latex project and I wanted hide all the file which are not .tex, .pdf, or .png to see clearer in my directory browser.
I used the following script :
#!/bin/bash
# Create a ...
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