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1500 questions
121
votes
2 answers

How can I use RAM storage for the /tmp directory and how to set a maximum amount of RAM usage for it?

After seeing the comment by Anonymous on the question How is the /tmp directory cleaned up? , I found that it would be a great idea to implement on my system, since I have 16GB of RAM and I never used all of it. My temporary files never get written…
Dan
  • 14,290
121
votes
5 answers

What's the difference between a Long Term Support Release and a Normal Release?

What are the differences between an Ubuntu Long Term Support release (LTS) and a normal release?
Olivier Lalonde
  • 60,701
120
votes
4 answers

How do I deal with "unauthenticated sources" errors in the Software Center?

Any install that I'm trying through the Software Center is telling me: Requires installation of untrusted packages: The action would require the installation of packages from not authenticated sources. I did an apt-get update from the command line,…
b. e. hollenbeck
  • 1,347
120
votes
12 answers

MySQL GUI Tools

Does anyone have any good ideas as to native MySQL GUI clients for Ubuntu? So far I've tried MySQL Workbench , which never seemed to work properly, phpMyAdmin which I found a bit slow, and Navicat which is a windows port and runs under wine, but…
richzilla
  • 12,205
120
votes
5 answers

How to get GRUB to be the default bootloader instead of Windows Boot Manager on a UEFI laptop?

I've got an HP Pavilion Touchsmart notebook that came with Windows 8. I've upgraded to 8.1, and now I want to dual-boot an Ubuntu distribution with Windows 10. When dual-booting with Windows 8.1, the Windows Boot Manager always took priority, even…
Michael Hoffmann
  • 3,615
120
votes
5 answers

How to get a list of installed packages held back from upgrade?

Recently, I needed to get a list of packages that were installed on my Ubuntu system which were also put on hold for upgrade. The 'hold' status for a package means that when the operating system is upgraded, the installer will not upgrade these…
pmagunia
  • 1,712
120
votes
8 answers

How do I easily rename multiple files using command line?

One of the ways I quickly rename files in Windows is F2 > Rename > Tab (to next file) > Rename ... But in Ubuntu/Nautilus, I can't tab to next file. But being on Linux, I think there must be a command line alternative. However, sometimes, I may want…
Jiew Meng
  • 10,697
120
votes
5 answers

What is a "failed to create a symbolic link: file exists" error?

I'm trying to create a symlink in my home directory to a directories and files on my data partition. I've tried: ~/Documents$ ln -sv ~/Documents/saga /media/mariajulia/485f3e29-355c-4be3-b80a-1f5abd5604b6/mariajulia/Downloads/saga..doc to create a…
maria
  • 2,037
120
votes
10 answers

How to stop using built-in home directory encryption?

I have a new Ubuntu 10.04 installation with encrypted home directory (using the built-in encryption offered by Ubuntu installer). What's the easiest way to stop using encryption? (I.e., to decrypt my home directory permanently.) (It's giving me…
Jonik
  • 7,468
120
votes
3 answers

How to add a Python module to syspath?

I have a file structure like this: Folder Common foo1.py TestFolder foo2.py I want to import in foo2.py and foo1.py . I tried but it doesn't work on Ubuntu: sys.path.append(os.path.abspath('../../')) from Common import foo1.py
user284474
  • 1,201
120
votes
1 answer

Copy folders (not one file) using SSH ubuntu?

I am trying to copy a folder to remote Ubuntu server using command line ssh connection, i understand it's doable to transfer a file using scp but i have many files in a folder iam trying to copy to that remote server, how is that done? anyone? Thank…
aero
  • 1,335
120
votes
15 answers

How to efficiently switch between several terminal windows using the keyboard?

Alt + Tab lets me only switch between windows belonging to different applications. I often use about four terminal bound applications at the same time (e.g. IPython, VIM, fish for system and fish for git). Even using the mouse, clicking the terminal…
Raffael
  • 3,831
120
votes
4 answers

How to read "service --status-all" results

I need to identify the currently running services but I can't figure out the results of running service --status-all , I mean what does ? , - and + mean ? $ service --status-all [ + ] acpid [ + ] anacron [ + ] apparmor [ ? ] apport [ ? ] atieventsd…
Muhammad Gelbana
  • 3,356
120
votes
15 answers

How do I disable the drum beat sound on the login screen?

I would have expected System ▸ Administration ▸ Login Screen ▸ Play login sound to control this, but unchecking it does not prevent the drum beat sound from playing.
ændrük
  • 78,726
120
votes
6 answers

How can I find the version number of an installed package via dpkg?

I use the dpkg -l command to find out what version of a package I have installed. For example: dpkg -l network-manager returns the information on the package: Desired=Unknown/Install/Remove/Purge/Hold |…
Jorge Castro
  • 73,907
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