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1163
votes
25
answers
3.6m
views
Unable to lock the administration directory (/var/lib/dpkg/) is another process using it?
I get this error when trying to use apt-get:
E: Could not get lock /var/lib/dpkg/lock - open (11 Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/) is ...
- 11.9k
2087
votes
9
answers
6.9m
views
How to unzip a zip file from the Terminal?
Just downloaded a .zip file from the internet. I want to use the terminal to unzip the file. What is the correct way to do this?
- 21.1k
1342
votes
10
answers
3.6m
views
How do I save terminal output to a file?
How do I save the output of a command to a file?
Is there a way without using any software? I would like to know how.
- 13.7k
591
votes
8
answers
3.8m
views
668
votes
14
answers
5.1m
views
How do I install a .tar.gz (or .tar.bz2) file?
I have downloaded tar.gz files. But I don't know how to install it. How do I install this kind of file?
- 7,745
1082
votes
16
answers
2.2m
views
How can I update my nodeJS to the latest version?
I have installed nodeJS on Ubuntu with following code
sudo apt-get install nodejs
Since I am a new user for ubuntu I also ran this code too
sudo apt-get install npm
Now when I type
nodejs --...
- 10.9k
2539
votes
25
answers
4.9m
views
How to list all installed packages
I'd like to output a list of all installed packages into a text file so that I can review it and bulk-install on another system. How would I do this?
- 55.6k
777
votes
4
answers
4.1m
views
How to delete a non-empty directory in Terminal?
How do I delete the following directory?
I typed:
rmdir lampp
This error comes up:
rmdir: failed to remove `lampp': Directory not empty
Is there a command to delete all the files in the directory ...
- 7,997
485
votes
16
answers
4.0m
views
How do I run .sh scripts?
Whenever I open a .sh file, it opens it in gedit instead of the terminal. I can't find any option similar to Right Click → Open With → Other Application... → Terminal.
How do I open this file in the ...
- 4,851
1262
votes
8
answers
3.7m
views
How can I copy the contents of a folder to another folder in a different directory using terminal?
I am trying to copy the contents of a folder to another folder in a different directory using terminal.
Would somebody be able to provide me an example of the command line syntax required to achieve ...
- 12.8k
788
votes
16
answers
3.1m
views
How do I reset a lost administrative password?
I'm working on a Ubuntu system, and my client has completely forgotten his administrative password. He doesn't even remember entering one; however it is there.
I've tried the suggestions on the ...
user9904
1049
votes
9
answers
3.6m
views
Is there a command to list all users? Also to add, delete, modify users, in the terminal?
I need a command to list all users as well as commands to add, delete and modify users from terminal - any commands that could help in administrating user accounts easily by terminal.
1384
votes
12
answers
4.0m
views
How do I install a .deb file via the command line?
How do I install a .deb file via the command line?
- 25.8k
866
votes
9
answers
2.6m
views
How to install updates via command line?
When I log into my web server via SSH I see the information:
88 packages can be updated.
80 updates are security updates
I tried apt-get update then apt-get upgrade but each time I log in I still ...
- 8,814
228
votes
13
answers
1.3m
views
Uninstall GRUB and use Windows bootloader
I have Windows 8 pre-installed, and then I installed GRUB with Ubuntu. Ubuntu is not my thing, so now I want to remove it along with GRUB. From what I have learned, with UEFI, GRUB does not overwrite ...
- 2,435
1091
votes
8
answers
3.3m
views
What command do I need to unzip/extract a .tar.gz file?
I received a huge .tar.gz file from a client that contains about 800 mb of image files (when uncompressed.) Our hosting company's ftp is seriously slow, so extracting all the files locally and sending ...
- 15.2k
743
votes
9
answers
3.5m
views
Change folder permissions and ownership
I would like the user to have full rights on this folder (as well as all sub-directories and files in it):
~/.blabla
currently owned by root.
I have found numerous posts (in this forum and ...
- 13.7k
368
votes
7
answers
883k
views
fsck error on boot: /dev/sda6: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY
I dual boot Ubuntu and Windows 7.
I was browsing on FireFox in Ubuntu and all of a sudden I get some error message, so I rebooted.
Now when I try to boot into Ubuntu I get this message:
fsck from ...
- 3,781
335
votes
7
answers
2.7m
views
"Unable to locate package" while trying to install packages with APT
When I try to install any package through the command line, I get an error.
$ sudo apt-get install <package>
Reading package lists... Done
Building dependency tree
Reading state ...
- 3,473
567
votes
51
answers
1.3m
views
Ubuntu gets stuck in a login loop
My Ubuntu is stuck in a login loop when trying to enter my desktop. When I login, the screen gets black and soon after that the login screen comes back.
I've read that the problem might be caused by ...
- 5,673
940
votes
5
answers
2.7m
views
How do I shut down or reboot from a terminal?
How can I shut down or reboot Ubuntu using terminal commands?
- 99.8k
1571
votes
28
answers
1.6m
views
"The following packages have been kept back:" Why and how do I solve it?
I just added a PPA repository for the development version of the GIMP, but I get this error:
$ apt-get update && apt-get upgrade
...
The following packages have been kept back:
gimp gimp-...
- 22.1k
974
votes
15
answers
2.0m
views
How to get bash or ssh into a running container in background mode?
I want to ssh or bash into a running docker container. Please, see example:
$ sudo docker run -d webserver
webserver is clean image from ubuntu:14.04
$ sudo docker ps
CONTAINER ID IMAGE ...
- 24.7k
772
votes
7
answers
2.8m
views
How do I rename a directory via the command line?
I have got the directory /home/user/oldname and I want to rename it to /home/user/newname. How can I do this in a terminal?
- 17.7k
948
votes
7
answers
3.2m
views
How can I add a user as a new sudoer using the command line?
After I add a user using adduser, I can't see it via System > Administration > Users and Groups unless I log out and then log in again. Is that normal?
Also, can I set a newly added user as a sudoer ...
- 10.8k
349
votes
7
answers
1.1m
views
Boot drops to a (initramfs) prompts/busybox
I am running an HP pavilion dv6000 dual boot win7 and Ubuntu 12.04. (well, up until today). After a reboot, the boot process drops to the BusyBox shell and I end up at the prompt:
BusyBox v1.18.5 (...
- 3,491
397
votes
43
answers
1.8m
views
Installing Broadcom Wireless Drivers
I'm having serious problems installing the Broadcom drivers for Ubuntu. It worked perfectly on my previous version, but now, it is impossible.
What are the steps to install Broadcom wireless drivers ...
140
votes
2
answers
553k
views
System has not been booted with systemd as init system (PID 1). Can't operate
I use WSL2 on Windows 11. I want to run the systemctl command in Ubuntu 20.04, but it gives me the following error:
System has not been booted with systemd as init system (PID 1).
Can't operate. ...
- 1,558
201
votes
7
answers
1.7m
views
How to install Chrome browser properly via command line?
I am trying to install chrome browser via command line. I tried this:
$ apt-cache search chrome browser
The results show that the proper term is "chrome-browser," so I tried that:
$ sudo apt-get ...
user33877
1126
votes
16
answers
2.8m
views
Where is the cron / crontab log?
I want to verify that my cron job is executing and at what time. I believe there is a log for my sudo crontab -e jobs, but where?
I searched google and found recommendations to look in /var/log (...
- 11.4k
1115
votes
5
answers
1.5m
views
How can I use Docker without sudo?
On Docker's documentation pages, all example commands are shown without sudo, like this one:
docker ps
On Ubuntu, the binary is called docker.io. It also does not work without sudo:
sudo docker.io ps
...
- 39.7k
362
votes
11
answers
263k
views
897
votes
8
answers
1.9m
views
Find and replace text within a file using commands
How can I find and replace specific words in a text file using command line?
- 11k
960
votes
12
answers
1.9m
views
How do I uncompress a tarball that uses .xz?
I'm used to extracting tarballs with a -xfz flag, which handles gzip and bzip2 archives.
Recently I've run into a .tar.xz file and I would like to uncompress it in one step using tar, how can I do ...
- 70.6k
956
votes
14
answers
1.2m
views
How to keep processes running after ending ssh session?
Let's say I launch a bunch of processes from a ssh session. Is it possible to terminate the ssh session while keeping those processes running on the remote machine?
- 57k
480
votes
13
answers
1.5m
views
How do I install Sublime Text 2/3?
I installed Sublime Text 2 on 12.04 as per this tutorial.
However I don't have adequate permissions when launching the program from the Unity launcher. For example I cannot install packages, or if I ...
- 4,911
1130
votes
13
answers
1.6m
views
How do I determine the total size of a directory (folder) from the command line?
Is there a simple command to display the total aggregate size (disk usage) of all files in a directory (folder)?
I have tried these, and they don't do what I want:
ls -l, which only displays the ...
- 11.4k
942
votes
20
answers
1.4m
views
Error message "sudo: unable to resolve host (none)"
When I run sudo the terminal is stuck for a few seconds and then outputs an error message. My terminal looks like this:
ubuntu@(none):~$ sudo true
sudo: unable to resolve host (none)
What can I do ...
- 10.9k
216
votes
18
answers
1.8m
views
How to remove Ubuntu and put Windows back on?
I have absolutely no experience with Linux, and I desperately need to get my computer back up and running again with Windows.
How do I remove Ubuntu and reinstall Windows?
Editor's note: many of the ...
577
votes
12
answers
1.8m
views
How do I install Ubuntu alongside a pre-installed Windows with UEFI?
I'm absolutely new to Linux. I would like to know how to install Ubuntu alongside the pre-installed Windows 8+ OS.
Should I do it with Wubi, or through the Live USB/DVD?
What steps do I need to take ...
539
votes
18
answers
1.7m
views
How can I create a Windows bootable USB stick using Ubuntu?
I'd like to create a Windows bootable USB stick, but I don't have a Windows machine at the moment to do so. How can I achieve that using Ubuntu?
- 10.7k
338
votes
14
answers
492k
views
How can I adjust the mouse scroll speed?
This question has been asked many times with no answer. I've used my basic Google skills and haven't come across a fix. This is system wide. My mouse simply scrolls too fast.
I'm new to ubuntu and ...
- 3,381
297
votes
46
answers
964k
views
How to fix "The system is running in low-graphics mode" error?
Note:
This is an attempt to create a canonical question that covers all
instances of "low-graphics mode" error that occurs to a user,
including but not limited to installation of wrong ...
559
votes
13
answers
2.4m
views
How do I install Guest Additions in a VirtualBox VM?
I've recently installed Ubuntu on Oracle's Virtualbox. Now I want to install the guest additions.
I started up my Ubuntu guest OS, clicked "Devices" and chose "Install Guest Additions". Nothing ...
- 6,023
806
votes
22
answers
1.6m
views
Command for determining my public IP?
If I check with google, I can see my public IP. Is there something on the Ubuntu command-line which will yield me the same answer?
- 8,529
512
votes
14
answers
1.8m
views
Apache error "Could not reliably determine the server's fully qualified domain name"
When I restart my Apache server using the command
sudo /etc/init.d/apache2 restart
I get the following error:
Restarting web server apache2
apache2: Could not reliably determine the server's fully ...
- 5,267
1598
votes
27
answers
1.9m
views
How can PPAs be removed?
I've added many PPAs using the add-apt-repository command. Is there a simple way to remove these PPAs? I've checked in /etc/apt/sources.list for the appropriate deb lines but they aren't there.
This ...
- 17k
444
votes
8
answers
1.8m
views
How do I change the GRUB boot order?
I have both Windows 7 and Ubuntu installed on a shared machine. Because a lot of the non-developers use Windows, I'd like to change the boot order to make it easier for them.
Currently the boot order ...
- 10.7k
631
votes
47
answers
1.3m
views
Why crontab scripts are not working?
Often, crontab scripts are not executed on schedule or as expected. There are numerous reasons for that:
wrong crontab notation
permissions problem
environment variables
This community wiki aims to ...
711
votes
16
answers
1.5m
views
How to check Internet Speed via Terminal?
Instead of going to sites like speedtest.net, I want to check my current Internet speed from the terminal on Ubuntu. How can I do it?
- 11.4k