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.

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Running Bash Script as root with non root script section

I have a bash script that needs to run as root to accomplish a task in this case it is to make the validator take a snapshot of the Helium blockchain. I have edited the /etc/sudoers file to allow me ...
DevilCode's user avatar
  • 117
1 vote
0 answers
1k views

When I edit .bashrc in Ubuntu 20.04, it does not ask me to save anymore

I'm not sure what happened but when I sudo nano ~/.bashrc to add a couple of exports #spotify export SPOTIFY_CLIENT_ID='xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx' export SPOTIFY_CLIENT_SECRET='...
mLstudent33's user avatar
0 votes
1 answer
993 views

Open vscode from script in ubuntu

I am trying to create script to open VSCode in the current directory but I am not abe to do it for folder consist of spaces. For example if location is 'home/documents/code'. it is able to open ...
sky's user avatar
  • 1
-1 votes
2 answers
136 views

In windows from the cmd prompt you type Win and it got you back to the GUI, what's the equivalent in Ubuntu

Good evening, i am used to windows, but would like to know how to get from Ubuntu command line to launching Ubuntu GUI. What command would i use. In windows, WIN did the trick, what is it in Ubuntu ...
Charles's user avatar
0 votes
1 answer
401 views

How do I get terminal programs to have a black background instead of a solarized black one?

I have my Terminal color scheme set to White on Black. However, whenever I use console programs such as aptitude or minicom, the black background takes on a solarized appearance. I abhor the solarized ...
Unclechromedome's user avatar
0 votes
2 answers
158 views

Internet file transfer command

I am doing research and need to transfer a file between home and office via the Internet. It is easy to do that with some software such as AnyDesk. Since I want to do file transfer by a bash file in ...
Mahdi's user avatar
  • 1
0 votes
1 answer
5k views

Resize blocks of linux filesystem

I use UbuntuServer on an Dedicated Server in Version 21.04 and just resized my HDD in the HyperViser. But now I can't change the blocksize of the sda2 (my Linux Filesystem). I tried few diffrent ...
Julez's user avatar
  • 3
-2 votes
1 answer
294 views

remove certain files except others

I found so many suggestions as to how to remove files with exceptions. However, this case is a little different. Let's say, I have 6 files as follows in my Ubuntu 18.04: text_1.json text_2.json ...
bit_scientist's user avatar
0 votes
0 answers
45 views

Find specific numbers of capitalized words next to each other

Let's say I have a .txt file: Aaa Aaa Bbb Aaa Bbb Ccc I want to find the row that has one capitalized word, two capitalized words, and three capitalized words. So one grep to find Aaa, one grep to ...
Anders Begtorp's user avatar
0 votes
2 answers
422 views

I can't move the curser with the up and down and side to side keys in Terminal

I must be missing something here. I have worked with terminal before. I am trying to change "true" to false and the arrow keys are not moving the cursor to do this. Please help me . Thanks....
Bob B's user avatar
  • 11
2 votes
1 answer
6k views

How to change the default directory that WSL Ubuntu terminal (on Windows 10) opens with

I installed the WSL Bash on Windows 10 so it can act as my terminal in VScode, but the default directory is ~/home/USERNAME I would like it to be /mnt/c/Users/USERNAME (so on my windows domain side) I'...
ZaneK's user avatar
  • 121
0 votes
1 answer
3k views

Login Loop cannot CTR-ALT-F3 to command promt

I am stuck in a login loop. I see lots of suggestions about getting to a command prompt and either freeing memory, clearing log files, or undoing the last updates and upgrades. Sadly, when I get to ...
GBG's user avatar
  • 300
1 vote
0 answers
96 views

ckan.plugins.core.PluginNotFoundException: example_theme

I'm Using ubuntu server 20.4 and CKAN as my open data portal. I'm just following their offical documentation https://docs.ckan.org/en/2.9/theming/templates.html and I already Executed this commands /...
JOCKEY's user avatar
  • 31
1 vote
0 answers
170 views

Creating a CKAN Extension Error: No such command 'create'

I'm Creating a CKAN EXTENSION base in their official documentation. https://docs.ckan.org/en/2.9/theming/templates.html#creating-a-ckan-extension When I'm in this step, ckan -c /etc/ckan/default/...
JOCKEY's user avatar
  • 31
1 vote
1 answer
37 views

UpDating .sh file to be compatible with v20.04

I'm trying to update this .sh file #!/bin/bash function pecl_install { pecl install $1 echo "extension=$2.so" | sudo tee /etc/php5/mods-available/$2.ini echo "; priority=$3&...
Dr Brok's user avatar
  • 11
0 votes
0 answers
165 views

mysql server not connecting in command line

When I try to connect to my local MySQL installation on Ubuntu 21.04, I receive the following error: ERROR 1045 (28000): Access denied for user 'nishant'@'localhost' (using password: YES) If I don't ...
ghajini's user avatar
-1 votes
1 answer
2k views

Whenever i enter into terminal to open python, Command 'python' not found, did you mean: command 'python3' from deb python3

I've installed ubuntu 20.04.3 lts, and I installed anaconda3 twice, first time from user privilege and once again from root privilege since not being activated conda. when i reopened the terminal, i ...
JB.Thilipkumar's user avatar
0 votes
0 answers
365 views

Remove login identification Ubuntu 21.10

I have a special application requiring a "straight" system load, without asking for login credentials. The same process is possible under Windows 10. Basically, I want to automatically login,...
Ginger Opariti's user avatar
1 vote
2 answers
1k views

Change terminal-emulator in ubuntu default filemanager

in the Ubuntu default file manager when right-clicking there is an option to Open in Terminal. How can I change the terminal-emulator for the "Open in Terminal" option? I have changed my ...
atix's user avatar
  • 11
6 votes
2 answers
256 views

Which CLI text editor does not waste screen space?

Vim has a non-removable status bar at the bottom. Nano has the same problem with its title bar. Surely there has to be an alternative for entering text in full-screen without any frills? I often jot ...
tejasvi88's user avatar
  • 187
0 votes
0 answers
515 views

About installing .sh Ubuntu 20.04

I'm trying to install this file .sh https://github.com/greatfire/website-mirror-by-proxy/tree/master/install I used these command line chmod +x install.sh sudo ./install.sh after that it show me ...
Dr Brok's user avatar
  • 11
2 votes
1 answer
430 views

Missing executable permissions on secondary internal disk

I've just installed Ubuntu Studio after migrating from Manjaro, and every time I run Android Studio (which is installed in my secondary drive, which is mounted in ~/Storage) I get the following error: ...
Young Fellow's user avatar
2 votes
2 answers
2k views

How to solve "The command could not be located because '/bin:/usr/bin' is not included in the PATH environment variable" error?

I've installed Ubuntu 20.04.3 LTS and installed Anaconda3, but I had to uninstall Anaconda3 since some problem occurred. I removed it using this command as root and from the /home/user directory: # rm ...
JB.Thilipkumar's user avatar
0 votes
1 answer
2k views

Why is my alias from .bashrc not working?

I've written a line in .bashrc alias untar='sudo tar –xvzf' Now, when I use "untar" in bash I get the error: untar filename.tar.gz tar: invalid option -- '�' Try 'tar --help' or 'tar --...
Mark Rensen's user avatar
1 vote
0 answers
271 views

Recommended way to limit CPU usage of a shell script

On Ubuntu 20.04 I'm using the AWS CLI to send backup data from my web server to S3. While the script works, it consumes CPU usage to the point where other services begin to fail. This becomes a big ...
ArashiInteractive's user avatar
0 votes
1 answer
57 views

Is there a package that allows saving a terminal instance?

Is there a package of some sort for saving a terminal instance like this: some_package instance_name python3.9 main.py closes terminal some_package instance_name Shows the all terminal mesage as if I ...
Khyles Gibrian Ramos's user avatar
1 vote
1 answer
7k views

What is python-minimal?

I had a problem that gave me an error message in the terminal whenever I tried executing a command. I checked a forum, and the most helpful solution instructed me to run this command: sudo apt-get --...
hello hi's user avatar
0 votes
2 answers
2k views

Accidently make ls colors (folders, files, links...) to white

I accidentally delete/change LS colors when listing directories with the 'ls' command, so I tried the command "ls --color=auto" it works temporarily because when I reboot my terminal ls ...
Moez Ben Rebah's user avatar
-1 votes
3 answers
2k views

How to list all ASCII files present in a directory?

I want to list all ASCII files that are without extensions(.txt) in my present working directory(home). I started with the ls command in the terminal but i don't know what i should put in the options ...
skekmal's user avatar
  • 155
0 votes
1 answer
102 views

How do I configure Ubuntu to automatically prepend every command with a certain command?

How can I configure Ubuntu Server so that every time I execute any terminal command, it prepends a specific command I name to that command? So that: $ cmd2 is actually received by the system as: $ ...
Julius Hamilton's user avatar
0 votes
1 answer
185 views

How could I set a universal time limit on any command line operation?

I would like to specify somewhere deep in the operating system that any command line command that takes longer than a specified amount of time should automatically be terminated or cancelled and ...
Julius Hamilton's user avatar
0 votes
0 answers
95 views

Unable to access/rename/delete directory

When I list files/directories with command ll | grep 'TM' ls: cannot access TM: No such file or directory ??????????? ? ? ? ? ? TM I can see TM folder is listed but when ...
Alpha's user avatar
  • 131
0 votes
1 answer
329 views

How open file with gedit withot terminal block? [duplicate]

When I open file with gedit templates/index.html I see this in terminal and can't use it more: How can I open file in text editor without blocking terminal?
peter ignatiev's user avatar
0 votes
1 answer
195 views

~/.profile not reloading [closed]

I am using Ubuntu 16.04.7 LTS Wanted to know why changes are not reflected when I change the ~/.profile and reloading the file using source ~/.profile or . ~/.profile The changes are only ...
Hexgear's user avatar
  • 103
13 votes
2 answers
8k views

How do I check if command failed... with a pipe?

So I have a script like this: somecommad | grep --invert-match something I'd like to be able to conditionally run a different command if somecommand fails. Here's what I tried: somecommand | grep --...
cocomac's user avatar
  • 3,376
0 votes
1 answer
1k views

'su' command without a passwd prompt in a remote machine while connected through and ssh session using python's paramiko library

I am writing a python script to automate ssh connection to a remote machine. When connected to the remote machine using python's Paramiko library, if I need to elevate privileges (specifically to ...
Izhar Hussain's user avatar
1 vote
0 answers
95 views

How to cut a file in this way?

I have to cut a long file (approx. 2 millions of lines) at the line that follows the line at which there is the last appearance of a word. For example the file could be: line 1 line 2 .... word line ...
mattiav27's user avatar
  • 875
1 vote
1 answer
2k views

Setting the permissions on all files inside a folder without changing the permissions of the folder itself?

I have a folder called my_files. I want to: set the permissions to allow all users to read, write and execute the folder and set the permissions on all files inside my_files to allow all users to ...
Andrea's user avatar
  • 111
2 votes
1 answer
748 views

How invoke print dialog from command line?

I'm using xfce4 on Ubuntu. Blasted if I can't see what command will send a file to the printer via a print dialog. Please help.
markling's user avatar
  • 582
1 vote
1 answer
159 views

How to register a command to confirm the option when installing programs?

When installing SageMath through the terminal on Ubuntu 18.04 on command sudo apt-get install sagemath I get a notification: Postfix Configuration --------------------- Please select the mail server ...
Dew Debra's user avatar
1 vote
0 answers
17 views

How to install libmysqld-dev on ubuntu 18.04? [duplicate]

I have looked through many forums but can't find how to install libvdpau-dev on Ubuntu 18.04.6. Can you help me? ~$ sudo apt-get install libvdpau-dev Reading package lists... Done Building ...
silver's user avatar
  • 11
0 votes
1 answer
404 views

Proper Incremental Backup/cloning Solution for an Ubuntu 20.04 LEMP Server on Raspberry Pi (and turning clones into bootable ISO's on the fly)

BACKGROUND I still consider myself sort of a noob when it comes to setting up server. So when answering this question, please give as much detail as possible in your answers. ENVIRONMENT I run a LEMP ...
DanRan's user avatar
  • 95
2 votes
2 answers
583 views

OpenShot will not upgrade

I just installed openshot video editor via terminal: this tutorial https://www.ubuntupit.com/install-openshot-video-editor-ubuntu-linux-mint/ on ubuntu 21.04 on a raspberry pi 4b. I tried to start it, ...
Random-Ubuntu-User's user avatar
0 votes
1 answer
191 views

How do I use the command passwd to set a password for user the user01?

Using command line, what do I type to create the password 123xyz for the user named user01?
bilsch01's user avatar
0 votes
1 answer
345 views

Split files into multiple subfolders and zip each subfolder

I am using Ubuntu 18.04.5 LTS. I have created the following script to split files in a folder into different subfolders: #!/bin/bash dir_size=850 dir_name="images" n=$((`find . -maxdepth 1 -...
Carol.Kar's user avatar
  • 163
-1 votes
1 answer
327 views

i ran the following command on docker it shows the folllowing error how to get rid of this?

I ran the following command on docker and got the error below. How can I fix this? FROM compiler-common AS compi ENV DEBIAN_FRONTEND=nonintera RUN apt-get install -y --no-i git-core \ checkinstall \...
Monish M's user avatar
3 votes
1 answer
1k views

Run script from Nautilus without opening terminal

I have some Python scripts that provides a UI using GTK (ie. it's not a terminal application). In Ubuntu 21.04, double-clicking in Nautilus will provide me the option to run them with or without a ...
Cort's user avatar
  • 33
0 votes
0 answers
71 views

Does gmplayer work?

I'm trying to get "gmplayer" to work. I did, eventually, get it to work, but it was a struggle, and I have a question (at the end of this post). Note: I first installed mplayer and it ...
Joe Schmoe's user avatar
1 vote
0 answers
745 views

Wine seemingly installed but not showing up in the menu

I installed wine via terminal, following all the steps on the website, but it isnt showing up in the menu.. what do I do to troubleshoot and fix this?
Maayan Orr's user avatar
2 votes
1 answer
862 views

convert bunch of images to black and white with overwritting existing images

I need to convert a bunch of images (about 1000) to black and white I used the following code: convert *.bmp -monochrome ./*.bmp but it produces new images. for example, I have file1.bmp, file2.bmp ...
Elahe Kamel's user avatar

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