Highest Voted Questions

342

votes

7 answers

Reset the password in Ubuntu / Linux Bash in Windows

I have installed Linux Bash on Windows 10 (available from Microsoft), but I've forgotten my password. I've searched for a solution but I only find suggestions that involve doing something before the system boots, like accessing recovery mode, but…

password-recovery windows-subsystem-for-linux

asked May 13 '16 at 22:19

Maheedhar K V

3,521

341

votes

9 answers

How do I add SSH Keys to authorized_keys file?

I have an Ubuntu server on Amazon EC2, that I use for development, and today I stupidly cleared everything out of my ~/.ssh/authorized_keys file. Luckily I have an SSH open, so I am still connected, and can fix the file, but when I try to put my key…

ssh amazon-ec2

asked Jun 01 '11 at 16:02

Dave Long

3,796

340

votes

5 answers

Give specific user permission to write to a folder using +w notation

I know I can assign the permission to write to an owner/group/others like this: chmod u+w myfolder Can I specify the specific user here? Some like this: chmod username u+w myfolder

permissions

asked Jun 24 '14 at 10:33

Max Koretskyi

3,861

340

votes

7 answers

How to run the SSH server on a port other than 22

I have two computers behind the same router. Let's call them A and B. A can SSH to B in the following manner: ssh usr@<internal ip of computer> B can SSH to A by doing the same, but the external IP must be used. I have forwarded port 22 of my router…

12.04 ssh port-forwarding

asked Mar 04 '13 at 22:47

Gary

4,042

340

votes

18 answers

How to restart the networking service?

I tried to use sudo service networking restart and sudo /etc/init.d/network restart but they both crash the window manager and I can no longer use my keyboard for input into X. when I use the /etc/init.d/ method it complains saying that I should use…

networking services

asked Dec 19 '12 at 17:41

waspinator

4,952

339

votes

7 answers

Is it okay to delete the ~/.cache folder?

When I use disk usage analyzer and scan my home folder, the .cache folder in my home directory always shows up with a decent bit of things in it. Would it be okay for me to delete the contents of this folder or would it damage something?

home-directory cache

asked Feb 06 '12 at 23:53

Aner

3,391

337

votes

7 answers

How to make partitions mount at startup?

How do you make HDDs and partitions mount at startup on Ubuntu? I always keep my media and data files on separate partitions - one 2tb HDD and a 400 odd gig partition. I have been trying to swap the default folder location for the home directory to…

automount fstab

asked Jul 18 '12 at 03:06

Harley Baker

3,471

336

votes

8 answers

How can I create a zip archive of a whole directory via terminal without hidden files?

I have a project with lots of hidden folders / files in it. I want to create a zip-archive of it, but in the archive shouldn't be any hidden folders / files. If files in a hidden folder are not hidden, they should also not be included. I know that I…

command-line zip

asked Aug 27 '11 at 18:01

Martin Thoma

20,605

335

votes

23 answers

I have 16GB RAM. Do I need 32GB swap?

I read many places that the rule of thumb for swap space is to double the amount of physical RAM. However, 32 GB does seem a LOT. Do I need that much? Do I need it at all with this high amount of physical RAM?

ram swap

asked Jun 16 '11 at 18:52

Tamás Szelei

4,192

335

votes

7 answers

How to access a usb flash drive from the terminal?

I only have access to the command line. I need to backup my data (on the user folder) to a pen (USB DOK). How can I mount a flash drive manually? What should be the copy command?

command-line mount usb-drive

asked Apr 29 '11 at 00:26

MEM

11,265

334

votes

12 answers

How to uninstall a .deb package?

Suppose I download a .deb package from a website and install it. (I assume that when I double click the .deb file, the package is installed through a GUI that interfaces with dpkg right?) How can I uninstall it?

package-management deb

asked Jan 19 '11 at 00:13

Olivier Lalonde

60,701

334

votes

9 answers

Find a file by name using command-line

I would like to determine the location of a file using command-line. I have tried: find . -type f -name "postgis-2.0.0" and locate postgis-2.0.0 to no avail. What is the command to determine the file's directory, provided its name?

command-line directory find

asked May 31 '12 at 17:02

Sam007

4,693

333

votes

8 answers

Simple image editor?

I want something similar to "preview" in macs. For example: I want an image editor that ONLY does simple adjustments like increase/decrease contrast, saturation, exposure, color tinting.... rotate, flip vertically, flip horizontally, make black and…

software-recommendation image-processing image-editor

asked Jul 16 '12 at 23:22

mandy

3,351

332

votes

10 answers

How to change time-zone settings from the command line

I have a virtual machine that is set to PST that a couple of colleagues have in different time-zones. If I wanted to change the time-zone to EST and GMT , what do I need to do?

command-line time timezone

asked Aug 31 '10 at 18:19

manyxcxi

3,611

329

votes

13 answers

How do you restart Apache?

I switched from SLES to Ubuntu and now I want to restart my local server. In SLES I used: rcapache2 restart but this seems not to work in Ubuntu. How do I restart Apache?

server apache2 services

asked Oct 12 '10 at 10:26

Jai Puri

4,089

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