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.
4,291
questions with no upvoted or accepted answers
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1
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986
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How to change the position of the terminal window in Ubuntu 22.04 - gnome-terminal --geometryCxR+X+Y does not work
Since I got Ubuntu 22.04 a few months ago, I wanted to know about how to specifically place different terminal windows in specific places on my second screen... until, eventually, I found the --zoom ...
1
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0
answers
276
views
Whiptail menus not responding to key presses or mouse clicks - displays ```^[[B``` when I press down arrow
I have created an installer bash script for setting up a DigiByte full node via the linux command line. It works fine in Raspberry Pi OS lite 64-bit on the Pi 4, but if I install Ubuntu Server 64-bit ...
1
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0
answers
99
views
How to run gcore command in runtime
I want to run gcore command in runtime. For example;
Lets say I have a script called "manuel", I want to run gcore and gcore command will detect if any script runs in my shell. It will ...
1
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1
answer
1k
views
How can I add right-click option (context menu) on Brave, Chrome, Opera, Firefox browsers to play YouTube videos in MPV?
I use Chrome based-browsers (Brave, Opera) and Firefox. My OS is Ubuntu 22.04. I use this terminal command to play YouTube videos in MPV player:
mpv --ytdl-format="bestvideo[height<=720]+...
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0
answers
518
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Detect when the current song changes on Spotify
I'm working on a small personal project that involves getting the current Spotify song data.
The getting the metadata part is all figured out but I just need a way to detect when a song changes, like ...
1
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1
answer
142
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Copying folder with ignore list throws error when path is in variable
I just want to copy a folder by omitting some content.
So that works: copy /stuff dir and omit foo and moo folders inside of it
cp -r ./myDir/stuff/!(foo|moo) "$destination"
and that doesn'...
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0
answers
2k
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R installation on Ubuntu, how to fix this error message?
I'm quite new to Unix systems and I just can't understand why I'm having this problem during the installation of R on Ubuntu 20.04 focal fossa.
I have installed R using the following procedure:
...
1
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0
answers
948
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Launching kmymoney through command line:Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland anyway
I have just installed kmymoney on ubuntu 220.4 LTS thourgh following command line
sudo apt-get update -y
sudo apt-get install -y kmymoney
reboot
After reboot, when I tried to launch it through command ...
1
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0
answers
1k
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SGX disabled by BIOS ? Can't access terminal
Noob here, bear with me.
I updated my Ubuntu version a couple of days ago, then got a "critical error - immediate abort" when typing in my password.
Upon booting I notice this message ...
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0
answers
227
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What is the first line of the output of `ldd bash` and why is not required when setting a new root directory to use with chroot?
I am following a tutorial about how to use chroot and set up a jailed dir. The process is to copy bash and the libraries it depends on into the 'jail' dir. To find the libraries bash depends on I ...
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0
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208
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please explain e4defrag output
can anyone please explain to me what the failure means in the following output of e4defrag run from terminal in Linux?
Success: [ 353/410 ]
Failure: [ 57/410 ]
this is the ...
1
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0
answers
36
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Removing a set number of random character from multiple files
I have multiple file like those:
test01 - checking - Heart-ta-mPFnno34-192K-1651117354964.txt
test01 - checking - Hard-ta-mPFnno34-192K-1651117354965.txt
test01 - checking - Strong Blur-ta-mPFnno34-...
1
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0
answers
2k
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No such file or directory even the file is exist
I installed an emulator in my ubuntu which is rpcs3 then after I make it executable and try to execute this shows.
bash: ./rpcs3.AppImage: No such file or directory
Full log:
root@localhost:~# cd ./...
1
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0
answers
27
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Ubuntu 20.04 now 21.10 reverts to CLI on it's own
The gui on my laptop shuts down on its own and I'm taken to this screen.
This happens when I stop a key binding after pressing ctrl ket only(usually while opening terminal).
But today it happened when ...
1
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0
answers
309
views
Git returns error when started from cron
My ubuntu's cron runs a PHP script as www-data to collect statistics by executing git diff --shortstat, it has been working for a month or so, however, starting 2 days ago, no results were returned.
...
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0
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280
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Ubuntu Server (20:04) command reboot with '-p' option does not work as expected
About the reboot command, according with:
focal (8) reboot.8.gz
Indicates:
-p, --poweroff
Power-off the machine, regardless of which one of the three commands is invoked.
practically ...
1
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1
answer
279
views
Change password via BASH script using UID
I've created a post-installation automation BASH script for Ubuntu installations. The last thing I want the script to do, is to set the password of UID 1000's password (the user I've created while ...
1
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0
answers
2k
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In terminal SSH typing delay
when i'm connecting to a remote PC via terminal and ssh, sometimes the screen freezes, taking some seconds do show what i'm typing. Tried to connect via ethernet but still happens.
Any hints?
1
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0
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453
views
Fontconfig error: "/etc/fonts/local.conf", line 19: mismatched tag
I've noticed this error when I try to run some commands from terminal.
For example
~ ❯❯❯ emacs --debug-init
Fontconfig error: "/etc/fonts/local.conf", line 19: mismatched tag
Fontconfig ...
1
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0
answers
29
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error installing ruby
I am getting this error:
$ sudo apt-get -y install build-essential git zlib1g-dev liblzma-dev libpq-dev \
libssl-dev libreadline-dev libsodium-dev file
Command 'sudo' is available in the ...
1
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0
answers
1k
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Disable screensaver from command line in Lubuntu
Is there a way to disable Lunbuntu 20.04 LTS's screen saver from the command line?
I know that it can be disabled via the system menu Preferences -> Screen Saver and the associated dialog box. I ...
1
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0
answers
93
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How do you remove the top bar from Ubuntu terminal?
I was wondering if there is any way to remove the top bar on ubuntu's terminal for a cleaner look, Does anyone knows how?
1
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0
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2k
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How to avoid "Bad Escape Character" passing variable to SSH?
I have a string variable passed in from the command line that I want to use in SSH.
#!/bin/bash
while getopts ":b:e:" arg; do
case "${arg}" in
b) b="$OPTARG";;
...
1
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1
answer
404
views
Cannot Set Default Geometry in Gnome Shell Terminal With .desktop File in Ubuntu 20.04
I want to configure the terminal so that new windows launch on the bottom left corner of the screen. Based on this issue I tried copying /usr/share/applications/org.gnome.Shell.desktop to ~/.local/...
1
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0
answers
94
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Show more snap install info in command line?
When I install Snap packages via Terminal, it doesn't show my that much info. I want to see more information, such as dependencies installed, etc.
Also, I don't like it that after it displays ...
1
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0
answers
27
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Terminal error information right before sleep
I run Xubuntu 20.04 and I'd like to know how to gather that terminal data that appears before the splash when turning on the computer, and especially the terminal data that shows up for like 125 ...
1
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0
answers
2k
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Alacritty Color Schemes Not Working
Color Change for Alacritty Terminal not working. Usually it works by just changing a configuration file and saving.
This started occurring after I used this command:
LS_COLORS=$LS_COLORS:'di=0;35:' ; ...
1
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0
answers
151
views
Find files from timestamps
I have a lot of files, of which I need to show only those created in the last 3 hours, and sort this list by date. I tried to do it with the following command:
find /root/shell/copy/ \( -type f -mmin +...
1
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1
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267
views
Different CMAKEs, unable to remove one of them
I have two cmake commands, one has a path /usr/local/bin/cmake, which I would like to uninstall. I tried running apt remove cmake but it gives Package 'cmake' is not installed, so not removed. The ...
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1
answer
43
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Appearance of Terminal and Nautilus in RDC
Hi Folks: When I first set up my ubuntu system, and was using the local screen, keyboard and mouse, the terminal window and nautilus both had really good looking themes on them. The machine is ...
1
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1
answer
2k
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Ubuntu laptop boots in EFI Shell instead of OS
starting up my laptop this morning running Ubuntu goes directly into EFI shell. Not sure what this failure might be. I have reset a few times and gone into the Boot Manager to see anything unusual in ...
1
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1
answer
8k
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How to run Timeshift from command line
I'm struggling a bit with running Timeshift from command line. My disk structure look like this:
sda 8:0 0 1.8T 0 disk
├─sda1 8:1 0 512M 0 part ...
1
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1
answer
1k
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Trying to change Mac address with MACCHANGER upon every restart, does not work
Im new to Linux!
I want to change my MAC Address automatically every boot up, the issue is I cannot follow the already existing tutorials on this since my system does not work with those.
Online ...
1
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0
answers
595
views
Is there a way to run WSL AND a vm?
I'm using WSL to run code on my windows machine and whilst it works, I'd really like to have a full ubuntu desktop environment so I can use command line tabs for example as well as unlocking all of ...
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0
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135
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Why a raw listening socket on port 255 keeps opening up and closing in random interval?
A random listening raw socket keeps opening up and closing in random intervals on port 255.
Running "ss" in the shell with this line, when I was testing for something else :
sudo ss -eoinlp ...
1
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0
answers
149
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command-line z-base-32 encode/decode
Is there any command-line utility that can encode content using z-base-32? (described in RFC6189 point 5.1.6, see also wikipedia info)
it seems base32 cannot do it and googling has not helped either.
...
1
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0
answers
72
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Can no longer write to my external hard drive
I have an external hard drive mounted to my /home directory. It worked perfectly since day one. But I haven't touched it in a while and for some reason it won't let me transfer files to it via FTP. ...
1
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1
answer
2k
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Not able to install 'slack' through snap
While installing slack from snap store using the command line (sudo snap install slack --classic), I get the following errors. Please help me resolve this.
error: cannot perform the following tasks:
...
1
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1
answer
604
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I want to remove this terminal bar, Ubuntu 20.04
I am Using Ubuntu Desktop 20.04 and would like to remove the top bar that sits above the Terminal window:
I tried to remove "Terminal bar" through settings, but didn't see anything that ...
1
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0
answers
558
views
Sending SMS to multiple numbers at once
How can I send SMS to many numbers at once command via my huawei modem from my laptop, I found the command mmcli as my best solution, sending one sms to one number is working fine, but once I tried to ...
1
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1
answer
68
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missed username during login
Tried to install oh-my-zsh in Ubuntu 20.04 - without success. I rolled back all changes and switched to bash shell, but somehow I missed my username from startup.
Previously, I had my username pre-...
1
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1
answer
3k
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Make Screen Sharing Active at Ubuntu 20.04 using CLI
I want to build a script that will make the "screen sharing" through CLI (I have to do it on a lot of computers in the future and I want to add such script to another scripts that will ...
1
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0
answers
2k
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How do I prevent broadcast messages to console for specific application?
I am running NUT UPS Tools server on Ubuntu 20.04.3 LTS system. I have to resart the NUT driver every 15 minutes, and each time it restarts the upsmon application broadcasts a message to the console:
...
1
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0
answers
364
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Untar failed due to compressed data--format error?
I've been trying to untar this file for several days now, and every time I try it again it ends up corrupting the file and creating corrupted files and directories. I have tried reinstalling tar and ...
1
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0
answers
15
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Network activity for user freezes after user change
I have a persistent problem lasting in several Kubuntu versions:
I'm using 2 users on my computer to separate their histories and configuration.
To switch users I change X terminals using CTRL+ALT+F1 ...
1
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1
answer
3k
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Delete files from root owned folders without sudo
There is an application that creates logs owned by root user (this cannot be changed, at least in my work environment) in the directory logs:
This app is executed through a docker-compose and ...
1
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0
answers
1k
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ls -a or ls -lR shows empty result
at my /usr/local/lib/python3.8/dist-packages,
I run sudo ls -a and it shows empty:
$ sudo ls -a
. ..
With ls -lR it also shows empty:
$ sudo ls -lR
.:
total 0
But there is actually stuff there when ...
1
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1
answer
197
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Command meaning of the command (nl /etc/passwd | tail -n +25 )
What is the meaning of this command? nl /etc/passwd | tail -n +25
Thank you.
1
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1
answer
10k
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Problem to run "anaconda-navigator"
I was not able to run the command anaconda-navigator, so I followed the following procedure:
$ source ~/anaconda3/bin/activate root
$ anaconda-navigator
After this, Anaconda Navigator opened, but ...
1
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0
answers
2k
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How env var is resolved in distroless container?
I am using a distroless container for my app and normally I start my app as follow:
java -jar $ARG1 $ARG2 app.jar
In distroless image I gave only
CMD ["app.jar"]
Args are predefined env ...