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1500 questions
278
votes
11 answers

can't login as mysql user root from normal user account in ubuntu 16.04

I just installed Ubuntu 16.04 LTS along with the packages php , mariadb and nginx . I ran mysql_secure_installation and changed the root password. Now when I try to login to mysql using the root account while logged in Ubuntu as normal user account…
codescope
  • 2,881
278
votes
12 answers

How to add "Open terminal here" to Nautilus' context menu?

I am working on Ubuntu 12.04 64bit. I want to add "Open terminal here" to Nautilus context or right-click menu but it tries to download 32bit version from Internet.
Sagar Nikam
  • 2,905
278
votes
17 answers

How to Edit PDFs?

I typically have two needs: Scenario A. Change a single PDF page. In this case I have a PDF but not the original source file used to create the PDF. I don't want to try to recreate the document from scratch. I'd like to open the PDF and change a few…
snowguy
  • 6,310
276
votes
12 answers

Extracting embedded images from a PDF

Before I started using Ubuntu I used Nitro PDF reader to automatically extract images from PDF files. Is there a PDF reader for Linux that does this? I would like to be able to extract images faster/easier than when taking a snapshot.
1kb
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276
votes
6 answers

Why is "No new release found" when upgrading from a LTS to the next?

I'm following the upgrade instructions on Ubuntu's website , but on launching the upgrade tool I get this response: Checking for a new ubuntu release No new release found Am I doing something wrong? Is there a workaround?
BDoran
  • 2,861
275
votes
20 answers

Any way to check the clock speed of my processor?

Is there any way to check at which clock speed my processor is running? I have already tried cat /proc/cpuinfo but the clock speed I'm running isn't showing. I know Ubuntu 12.04 (Precise Pangolin) requires 700 MHz and VGA, but will an AMD Mobile…
user1610406
  • 3,195
274
votes
30 answers

How to disable the touchpad?

I want my touchpad to be disabled when I use my mouse. How can I do that? touchpad-indicator has stopped working on 11.10. It used to work on 11.04. Gnome3 is not a solution as I don't like it and find it buggy.
Peng Wu
  • 7,373
274
votes
2 answers

How to rename a file in Terminal?

I have: /home/user/my_static /home/user/static/ How do I rename my_static to static and remove static (2)?
user2054574
  • 2,851
274
votes
7 answers

How can I find what video driver is in use on my system?

I would like to try a different video display driver, but I'm not sure which one I'm currently using. What's the simple way to see what driver my system is using currently?
belacqua
  • 23,570
273
votes
6 answers

Where are sudo's insults stored?

For those who like humour, sudo can be configured to print a random more or less insulting or funny phrase instead of the neutral Sorry, try again. by adding the line below to /etc/sudoers (using the command sudo visudo , not editing manually!):…
Byte Commander
  • 110,523
273
votes
14 answers

How do I copy files that need root access with scp?

I have an Ubuntu server to which I am connecting using SSH. I need to upload files from my machine into /var/www/ on the server, the files in /var/www/ are owned by root . Using PuTTY, after I log in, I have to type sudo su and my password first in…
Dimitris Sapikas
  • 2,865
273
votes
12 answers

How can I remove Amazon search results from the dash or disable the feature?

How can I disable Amazon search results in the Dash?
Jorge Castro
  • 73,907
272
votes
11 answers

How can I see what ports are open on my machine?

I would like to see what ports are open on my machine, e.g. what ports my machine is listening on. E.g. port 80 if I have installed a web server, and so on. Is there any command for this?
Jonas
  • 8,667
271
votes
20 answers

How do you reset a USB device from the command line?

Is it possible to reset the connection of a USB device, without physically disconnecting/connecting from the PC? Specifically, my device is a digital camera. I'm using gphoto2 , but lately I get "device read errors", so I'd like to try to do a…
cmcginty
  • 6,036
271
votes
9 answers

tracker-store and tracker-miner-fs eating up my CPU on every startup

Whenever I start my laptop the process tracker-store and tracker-miner-fs eats up my CPU between 30-40% for 10-15 minutes. I am on ubuntu 12.04. What does these processes do? How to get rid of processes?
Gaurav Agarwal
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