Most Popular

1500 questions
144
votes
17 answers

What are the differences between 32-bit and 64-bit, and which should I choose?

What is the difference between 32-bit and 64-bit Ubuntu? I've heard the 64-bit platform performs better and can detect more than 4GB of RAM. Also, while some apps haven't ported to 64-bit yet, ia32-libs lets a 64-bit machine run them. If so, why not…
squallbayu
  • 3,054
144
votes
4 answers

How do I install the latest version of Git with apt?

I read about a security flaw in Git, which was fixed in version 2.2.1. I currently have Git 2.1.0 on my system (Ubuntu 14.10), and tried to reinstall it with apt. However, apt told me that I currently have the latest version. The Git website does…
190n
  • 1,579
144
votes
6 answers

Can't Mount NTFS drive "The disk contains an unclean file system"

I am getting an error when I try to access my NTFS drive from ubuntu. Unable to access “My Drive” Error mounting /dev/sda6 at /media/ubuntu/Media Center: Command-line `mount -t "ntfs" -o…
rolindroy
  • 1,551
144
votes
3 answers

What is the "t" letter in the output of "ls -ld /tmp"?

When running the command ls -ld /tmp, the output would be: drwxrwxrwt 30 root root 20480 Mar 11 14:17 /tmp So I have two main questions: What is the letter t after the permissions? As far as I know /tmp is used to create temporary files related…
user255675
144
votes
9 answers

How to clean /tmp?

rizhas@rizhas-laptop:~$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda7 67G 58G 5,2G 92% / none 4,0K 0 4,0K 0% /sys/fs/cgroup udev 1,5G 12K 1,5G 1% /dev tmpfs 303M 1,2M 302M …
Rizhas
  • 1,549
  • 2
  • 10
  • 4
144
votes
9 answers

Getting Processor Information

I have just ran lshw to get some information about a machine I know nothing about, and I just wanted to confirm something. Does this basically mean it is a dual core 64 bit processor that is installed? *-logicalcpu:0 description: Logical CPU …
Toby
  • 1,625
144
votes
2 answers

What is the technical difference between a daemon, a service and a process?

I want to know that what are differences in behavior of a daemon, a process and a service running in Ubuntu.
krupal6022
  • 1,669
144
votes
7 answers

Reverting from Ctrl - Alt - F1

I tried to install an nvidia driver and there was an error saying I must not be in an X terminal when doing so. So I did a Ctrl+Alt+F1. The resulting terminal did not allow the nvidia driver to be installed and showed the same error message. How do…
H2ONaCl
  • 9,693
144
votes
13 answers

How to ungroup windows on Unity task switcher?

I'm playing with ubuntu 12.04, precise pangolin, and there's an issue I can't see how to solve. If I have three instances of, let's say, Firefox, in the switcher appears a single Firefox icon, I have to wait something like a second for it to open so…
opensas
  • 3,187
143
votes
10 answers

What's the easiest way to run GUI apps on Windows Subsystem for Linux?

I searched around, and currently there are two methods suggested; installing an enhancement for Windows Subsystem for Linux and installing an XServer. I want to know which method is the most hassle-free (easy to install AND to use), and which one is…
143
votes
5 answers

Authentication token manipulation error

I forgot my Ubuntu password so I booted into recovery and dropped into a root shell prompt and this is what happened: root@username-PC:~# passwd username Enter new UNIX password: Retype new UNIX password: passwd: Authentication token manipulation…
era878
  • 2,154
143
votes
3 answers

How do I quickly switch between workspaces in unity?

I'm using Ubuntu 11.10 with Unity and would like to switch between workspaces with a keyboard shortcut. Is there any way to achieve this?
js-coder
  • 2,247
143
votes
14 answers

Cannot set LC_CTYPE to default locale: No such file or directory

I have the exact question as this but there's no solution. I tried but it doesn't work How do I fix my locale issue? $ locale locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No…
user390493
143
votes
9 answers

How do I check the health of a SSD?

We all know that SSDs have a limited predetermined life span. So the question for me is how do I check in (Ubuntu) Linux what the current health status of my SSD is? And maybe an estimation how long it will take? Graphical tool is preferred, but…
keiki
  • 1,927
143
votes
4 answers

Cannot install Ubuntu in VirtualBox due to "this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot" error

I was trying to install Ubuntu 12.04 in VirtualBox 4.2.12r84980. I see this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot But I am using a 64 bit Windows 8, and trying same .iso for trying Ubuntu. Then what is the…
aluph
  • 1,431
  • 2
  • 9
  • 3