28
votes
8answers
57k views

How to install Minecraft (Client)

How to correctly install Minecraft, including setting any needed packages or apps to install it and to troubleshoot the most common problems that Ubuntu users face when trying to user Minecraft. I am ...
30
votes
8answers
27k views

Can't boot without Flash Drive plugged in

I had Ubuntu 12.04 Beta installed on my computer. When 12.04 was finally released, I made a bootable USB Flash Drive using Startup Disk Creator. Then I decided to check if this drive works properly ...
94
votes
4answers
269k views

How to control fan speed?

How can I control the computer's fan speed? On Windows there is a wonderful program called SpeedFan.
79
votes
6answers
111k views

How do I add a swap partition after system installation?

I did not opt for a swap partition during Ubuntu installation. Later I freed up some space, and made a swap partition. Now after booting up I am manually opening gparted and right-clicking the swap ...
115
votes
1answer
137k views

How do I run specific sudo commands without a password?

On one particular machine I often need to run sudo commands every now and then. I am fine with entering password on sudo in most of the cases. However there are three sudo commands I want to run ...
71
votes
5answers
251k views

How to manage users and groups?

Just switched from 10.04 to 11.10. I'm wondering about the limited options in the GUI for managing users and groups. Where is the old GUI to change groups, id's, etc. I know that I can do this from ...
97
votes
6answers
163k views

How do I install the Cinnamon Desktop?

I have read that there is a new Gnome-2 like interface called Cinnamon produced by the Linux Mint developers. Is this available for Ubuntu users - and if so how do I install it?
28
votes
1answer
115k views

My WiFi adapter is not working at all, how to troubleshoot?

On this site I see hundreds if not a thousand questions being asked about issues with a Wireless LAN adapter not being detected/recognized by Ubuntu. Some mainstream adapters appear to be utterly ...
34
votes
9answers
125k views

Error when installing: “unable to find a medium containing a live file system”

Error message: (initramfs) unable to find a live medium containing a live file system I got this error while trying to install Ubuntu 10.10 from a bootable USB stick on to Asus X64J series laptop. ...
22
votes
2answers
2k views

How do I install software using the Ubuntu Software Center?

The title says it all. I'd like to know how I can install software - an example is the Chromium web browser.
68
votes
4answers
55k views

What is Ubuntu Touch (Ubuntu for Phones)

Following up on Canonical's announcement, what is Ubuntu for phones, where can I download a copy of the OS to run on my phone? And how do I know if it's compatible with my phone?
146
votes
22answers
166k views

Tips to extend battery life for laptops and notebooks

This question is present as a matter of historical interest. While you are encouraged to help maintain its answers, please understand that "big list" questions are not generally allowed on Ask Ubuntu ...
130
votes
7answers
210k views

How do I change my username?

Some time ago when I installed Ubuntu I chose a rather stupid username for my account that I do not want to use anymore. How do I change this (including the name of my home directory, and the name ...
122
votes
8answers
88k views

How to delete file(s) in secure manner?

Is there a way to make sure that a deleted file can not be recovered? As you know, deleting a file by pressing shift-del or using trash doesn't mean that file is gone forever. It resides somewhere ...
104
votes
5answers
76k views

Clock time is off on dual boot

Dual boot system Windows XP Pro and Ubuntu 12.04. I have the bios set for the correct time and Ubuntu set for US Eastern time. Ubuntu will boot up and the time will be off by -4 hours. If I correct ...
80
votes
7answers
85k views

My /boot partition hit 100% and now I can't upgrade. Can't remove old kernels to make room

My first issue was when i tried to apt-get update/upgrade. On upgrade I get the following error: You might want to run 'apt-get -f install' to correct these. The following packages have unmet ...
8
votes
1answer
16k views

Qualcomm Atheros Device [168c:0042] (rev 30) Wi-Fi driver installation

I bought an Acer laptop and installed Ubuntu 14.04LTS but WiFi drivers are not available for it. So I am trying to install a windows driver using wifidocs/driver/ndiswrapper. On doing lspci -vvnn, it ...
16
votes
5answers
8k views

Why can't I install Ubuntu or Wubi on a Windows Dynamic Disk?

I've been trying to install 12.04 for a while now, I'm running on Windows 7 and I already made the partition (it's dynamic). I've tried booting from a disc and also the Windows installer. I haven't ...
162
votes
19answers
140k views

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 ...
61
votes
5answers
80k views

How to increase swap space?

I have, by default, 250MB of swap space in Ubuntu, and I want to expand it to a larger size. I need 800MB, which I think will be enough to open several applications without having to hit the current ...
79
votes
9answers
144k views

How can you remove Unity?

In previous versions of Netbook Remix I was able to disable the netbook-launcher and just have a blank desktop. I liked the speed of the Netbook version but not the interface, this worked well for me....
3
votes
2answers
9k views

My wifi Qualcomm Atheros Device [168c:0041] (rev 20) doesn't show up and work in Ubuntu 14.04.3 on Lenovo flex 3 14

I am new on linux systems I have tried some of the relevant solutions, those I could follow up, But nothing yet.Please help me figuring this out. Wireless info START Report from: 24 Sep 2015 22:...
88
votes
10answers
179k views

What is the equivalent to the Windows “Program Files” folder? (Where do things go when I install them?)

What is the Ubuntu equivalent to the Windows C:\Program Files folder? This is where Windows stores the system wide data for applications.
107
votes
6answers
102k views

How can I configure Unity's launcher auto-hide behavior?

This has been an issue for me with Unity since its release. I'd like to make the the launcher auto-hide. Especially on Netbooks, where screens are small, the launcher is quite wide, making it ...
44
votes
8answers
187k views

How can I resize an LVM partition? (i.e: physical volume)

I want to shrink my second (LVM) partition, in order to create a new partition in the newly freed space. I am using the Live CD to do so, because I know I can't resize/move this partition while it is ...
67
votes
3answers
161k views

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 ...
14
votes
0answers
61k views

Wireless doesn't work on a Broadcom BCM4312 [duplicate]

Possible Duplicate: How to Install Broadcom / STA Wireless card (BCM43XX) As stated, I've just upgraded to 12.04 and my Dell Inspiron 1545 isn't recognising its wireless card and I was ...
281
votes
20answers
119k views

How to create a screencast?

How can I create a screencast on Ubuntu? The app I'm looking for has ideally all of these features: Can record in a format that can be played back easily on any platform and/or accepted by youtube ...
139
votes
12answers
111k views

How do I disable the guest session?

How do I disable the guest session in Ubuntu 11.10 or higher? I don't want people to be able to use my computer without using a password to log in!
117
votes
7answers
67k views

How do I enable or disable the global application menu?

I'm fairly excited for Unity, as it looks like a promising new direction for Ubuntu. However, I do have a concern - will it be possible to use Unity without the global menu? I have my window manager ...
54
votes
3answers
238k views

How can I uninstall a nvidia driver completely ?

As expected, Nvidia drivers have reduced my customizations. I can't login to Unity 3D session. I can't find any content to help me to uninstall the driver and I don't know what to do as I have never ...
48
votes
7answers
55k views

Dash search gives no result

I just upgraded my Ubuntu 11.10 (x86) to Ubuntu 12.04 (x86). The upgrade completed without any errors. Since then, I am unable to access any of the applications in the Dash. The Dash seems to be ...
42
votes
20answers
75k views

Basic Web Development IDE/Editor like Dreamweaver? [duplicate]

I've used Windows for many years, using Dreamweaver as my editor as it had a file tree which is based on a project (via Local, FTP or SFTP). I need a web development IDE with the following ...
25
votes
5answers
12k views

How can I check the integrity of a downloaded Ubuntu CD?

I've just downloaded a CD image of Ubuntu. I know the installer has a check CD option, but how can I check that the image is good before burning it to CD?
11
votes
8answers
64k views

“errno 5 - input/output error” when trying to install

Today I downloaded Ubuntu for my laptop. It runs great from a bootable usb, but when I tried to install it, I've got the "errno 5 - input/output error". I tried everything to install it on my laptop,...
172
votes
2answers
240k views

How do I install different (upgrade or downgrade) PHP version in still supported Ubuntu release?

I am trying to update to install PHP 5.5, 5.6 or 7.0 in Ubuntu 12.04/14.04/16.04 LTS, and I can only get PHP 5.3.10 for Ubuntu 12.04, PHP 5.5.9 for Ubuntu 14.04 or PHP 7.0.4 for Ubuntu 16.04 using ...
71
votes
48answers
149k views

What download managers are available for Ubuntu?

This question exists as it fills a specific criterion. While you are encouraged to help maintain its answers, please understand that "big list" questions are not generally allowed on Ask Ubuntu and ...
64
votes
6answers
180k views

How do I change the default session for when using auto-logins?

When autologon is active, lightdm will start the Unity 3D session, not the 2D (or any other shell that I want to auto-login to). Is there a way to start the shell I want automatically (autologon)? ...
30
votes
10answers
72k views

Radeon HD 2000, 3000, 4000 on Ubuntu 12.04.2 and higher: fglrx (legacy) unsupported, what to do?

After upgrading to 12.10 quantal, the packaged version of fglrx no longer works. I discovered that this is because there is a separate 'legacy' fglrx driver for the HD 2k-4k series cards, but it is ...
38
votes
2answers
66k views

How do I use the gconf editor?

I see some answers where people post to set a key in the gconf-editor, however there is no entry for gconf-editor in my menu. How do I run it and how do I use it to set keys that people recommend?
12
votes
12answers
89k views

Not booting from USB or CD (SYSLINUX Message)

I am trying to install linux on my laptop, a Toshiba Satellite C6550-S5200. I did it once but something happened so I removed it then I had to destroy all data on hard drive so now I have nothing on ...
495
votes
6answers
1.5m views

How can I add a new user as 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 logout and then login again. Is that normal? Also, can I set a newly added user as a ...
135
votes
12answers
163k views

How can I set up password-less SSH login?

I want to be able to login to a remote via ssh without having to enter the password all the time. How do I set it up? Is a different command required to execute a password-less session?
196
votes
4answers
194k views

What is “dist-upgrade” and why does it upgrade more than “upgrade”?

I was wondering why upgrade sometimes doesn't want to upgrade certain parts of the system, while dist-upgrade does. Here's an example after running update: apt-get upgrade: rimmer@rimmer-Lenovo-...
59
votes
14answers
54k views

How do I change the wallpaper of the login screen?

I would like to set the wallpaper in the login screen (Unity Greeter), how do I do that?
80
votes
4answers
732k views

How to install Flash player on Ubuntu?

Even though I have the latest Adobe Flash player 11.2 for Linux in Firefox - ref: Flash player security doubts - a particular online flash game still requests that I update to the latest flash player....
29
votes
10answers
60k views

How to read ext4 partitions in Windows? [closed]

I have two questions on ext4: Is there currently a way to mount an ext4 partition in Windows (XP/Vista/7) to get basic read support? If not, are there any plans to support this someday?
19
votes
3answers
29k views

Is the 64-Bit version of Ubuntu only compatible with AMD CPUs?

I was told that computers with more than 2 gig's memory need a 64 bit operating system to utilize all RAM. Is the 64bit Ubuntu download really JUST for AMD processors? I am asking because the disk ...
10
votes
4answers
31k views

How do I uninstall Ubuntu Wubi?

I want to uninstall Ubuntu because I just don't like it... I have windows 7 and no boot disk or anything special to uninstall, when I installed Ubuntu it said easy to uninstall and I would love to ...
274
votes
40answers
434k views

Reasons why crontab does not work

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 ...

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