Questions about updates. This is a very general tag. If you have a tag that's more specific (e.g. the package name that your question is about) please use that one.

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168
votes
7answers
145k views

How do I fix a “Problem with MergeList” or “status file could not be parsed” error when trying to do an update?

The computer gave me this output in a window: E: Encountered a section with no Package: header E: Problem with MergeList ...
126
votes
7answers
343k views

How to install updates via command line?

Good day, When I log into my web server via SSH I see the information: 88 packages can be updated. 80 updates are security updates I tried apt-get update then apt-get upgrade but each time I log ...
120
votes
8answers
290k views

What does “sudo apt-get update” do?

I am wondering what sudo apt-get update does? What does it update?
105
votes
6answers
71k views

How can I install just security updates from the command line?

sudo apt-get upgrade installs all updates, not just security updates. I know that I can use Update Manager to select only important security updates, but is there a way to do this from the command ...
92
votes
9answers
59k views

How to prevent updating of a specific package?

Because of bug #693758 I'd like to prevent apt-get upgrade and Update Manager from updating the "libgtk2.0-0" package. How can this be achieved?
83
votes
0answers
96k views

How do I remove a PPA added via command-line? [duplicate]

I added a PPA for updating my kernel for ubuntu-12.04. Later, I found that the kernel doesnot exist on the link within PPA. I used this command. sudo add-apt-repository ppa:kernel-ppa/ppa Now if I ...
63
votes
5answers
23k views

How do I enable automatic updates?

Update Manager is constantly offering me updates (e.g. security fixes, updates from PPAs). How can I tell my Ubuntu installation to automatically download and install updates whenever they become ...
57
votes
11answers
7k views

Why can't I update applications without upgrading the whole OS?

In Ubuntu, once a release is out the software one has installed receives security updates only. In Windows, I can get new versions of programs with new features. How can Windows do this and why can't ...
48
votes
9answers
104k views

How to fix missing GPG keys?

I have just installed Ubuntu 12.04 and I added some repo and when apt-get update i got missing gpg key. Following command seems to doesn't work for me: apt-get update 2> /tmp/keymissing; for key ...
45
votes
10answers
4k views

Can't update because the word prox* is blocked

I live in Ethiopia and the government blocks all urls with the word "proxy" in them. I couldn't use that word in the title above because that would make the url contain the word proxy. When I ...
37
votes
6answers
17k views

Where can I look up my update history?

Is there a place where I can look what updates I've installed?
31
votes
9answers
127k views

How to update kernel to the latest mainline version without any Distro-upgrade?

Currently I'm running Linux-3.0 and I want to update it to Linux-3.3.1 the latest stable kernel release as mentioned at http://www.kernel.org. Can I update to 3.3.1 in Ubuntu without any risk of ...
28
votes
4answers
2k views

When will Ubuntu include delta updates?

I'm tired of downloading 300mb updates. Windows has done delta updating since XP. It's just silly to download the whole thing if just a few bits of the package change.
27
votes
5answers
4k views

Why does Ubuntu need to update its kernel so often?

What are the advantages for updating so often?
26
votes
1answer
14k views

Should I upgrade to the “mainline” kernels?

Newer "mainline" versions of the kernel are available from the Ubuntu kernel team, e.g. 3.4 and 3.5, while Ubuntu 12.04 is on 3.2. What are the mainline kernels? Are they better than my existing ...
25
votes
4answers
1k views

How can I make Ubuntu check for updates less often?

I'd like to have Ubuntu not check for updates as often. How do I accomplish this?
24
votes
4answers
74k views

Installing Java 7 Update 25 on 12.04 LTS?

How can I install Java on Ubuntu 12.04? I have: Java(TM) SE Runtime Environment (build 1.7.0_21-b11) Java HotSpot(TM) 64-Bit Server VM (build 23.21-b01, mixed mode)
23
votes
8answers
2k views

Should I restart after updating my system?

Should I restart my PC every time it gets updated?
23
votes
5answers
27k views

How do I install the latest stable version of LibreOffice?

LibreOffice is seeing some dramatic improvements each version and subversion that goes out. I would like to have always the latest version of LibreOffice on my machine(s). I know of the PPA that ...
22
votes
5answers
8k views

Update available message after installing update

I have just updated my HTPC to 13.04 (using do-release-upgrade) and when logging in I get the "new release available" message, while there isn't as I've just upgraded and running that version. ...
22
votes
2answers
16k views

How can I check if automatic updates are enabled?

I want to be sure if automatic updates are enabled on Ubuntu 12.04 server. How exactly can I check this? And how can I disable automatic updates if it's enabled?
21
votes
3answers
62k views

How do I fix a “Failed to download package files” error?

After I installed Ubuntu , I cannot update any software with the error message "failed to download package files". After having googled, I have tried: sudo apt-get update sudo apt-get upgrade ...
20
votes
2answers
1k views

Why is natty-proposed suggesting an upgrade to a beta version of Firefox?

Well I loaded up update manager today and it wants to replace Firefox 4.0.1 with 5.0beta5. To double check I fired out apt-cache policy firefox and there it is: ...
20
votes
2answers
12k views

How do you see what packages are available for update

FreeBSD user joining your ranks. I've been asked to look after an Ubuntu Server running 10.04 LTS. I see from /usr/lib/update-notifier/update-motd-updates-available that there are a number of ...
20
votes
6answers
40k views

apt-get update very slow, stuck at “Waiting for headers”

I have looked at similar questions: Stuck at 0% [waiting for headers] (apt) apt-get update stuck on "Waiting for Headers" However neither one of them answer my problem. I am running ...
19
votes
3answers
4k views

What is the “proposed” repository?

What exactly does this repository contain and why should a user either stay away from it, or add the repository?
19
votes
9answers
4k views

Nautilus is very slow

One month ago I updated (no fresh install) to 12.04. Since then nautilus got extremely slow. When I open a folder that contains many subfolders I sometimes have to wait 4 seconds until everything is ...
17
votes
2answers
7k views

How to enable silent automatic updates for any repository?

I read here how to enable silent automatic updates for Google Chrome. However, I have other repositories like spotify, docky and others for which I would like to enable silent updates. I am trying ...
16
votes
2answers
13k views

“method driver /usr/lib/apt/methods/https could not be found” update error

sudo apt-get update E: The method driver /usr/lib/apt/methods/https could not be found. michael@Ubuntu:~$ sudo apt-get clean michael@Ubuntu:~$ cd /var/lib/apt michael@Ubuntu:/var/lib/apt$ sudo mv ...
15
votes
4answers
2k views

Why does Ubuntu only support versions for a limited time (and what does it mean)?

Why is it that Ubuntu only support a version for a limited time? Since I have been on this site I have seen many references to particular versions not being supported. What does it actually mean? ...
15
votes
1answer
25k views

How to install Tomcat 7.0.42 on Ubuntu 12.04.3 LTS?

The sysadmin gave me a virtual machine which I access through terminal. I have root access and it got Ubuntu 12.04.3 LTS. The command apt-cache policy tomcat7 informs: tomcat7: Installed: (none) ...
15
votes
4answers
15k views

How do I add the kernel PPA?

I can get Ubuntu mainline kernels from this kernel PPA - is there a way to add it to my repository list the same as regular Launchpad PPAs?
15
votes
3answers
4k views

What is an kernel update with “Bump ABI”?

As you can see in the changelog for the Linux kernel, there are update messages like "Bump ABI - Maverick ABI 28". According to the Ubuntu Wiki, ABI is something like a bridge between the kernel ...
15
votes
6answers
6k views

Firmware update for iPod Touch (iPhone)?

I need to update firmware of my iPodTouch (iPhone) in Ubuntu and as I have jailbroken iPod Touch I need iTunes to install apps, but unfortunately haven't found any ways to do that in Ubuntu yet. I ...
15
votes
3answers
11k views

“Failure to download extra data files” after installing ttf-mscorefonts-installer

After fresh install 12.04 I && updating apt and system restart, I always get this annoying message after reboot : Failure to download extra data files The following packages requested ...
15
votes
4answers
6k views

How can I upgrade my server's kernel without rebooting?

This is a loaded question because I'm already aware of, and am very interested in ksplice. The problem is that since they were bought by Oracle, they have been forced to pull numerous server ...
15
votes
4answers
9k views

Is it possible to use a 2.6.38 kernel with 10.10?

I have simple question. Is it possible to use new 2.6.38 kernel with Ubuntu 10.10? Does there exists some PPA or you need to compile?
14
votes
5answers
5k views

Why does Ubuntu need to reboot so often?

Ubuntu seems to require a reboot after almost every apt update, even those that do not include a new kernel version. Why?
14
votes
3answers
5k views

How to lower wait time for repository updates

When doing a aptitude update / apt-get update or using the Update Manager to update sometimes I get to a repository link that takes too long. The percent does not end and it takes quite a while before ...
14
votes
2answers
1k views

What is apt-fast and should I use it?

Several times over the past couple years, I've heard of people using apt-fast for updating and installing packages, but I'm not really sure what it does. I think I've traced its origin to this forum ...
13
votes
4answers
8k views

Cannot update youtube-dl

I use youtube-dl to download videos for watching later offline. Usually, it works fine. However, due to frequent changes on the video sites, it sometimes requires a quick update. It wasn't a problem ...
13
votes
3answers
45k views

How to update ClamAV definitions database?

How can I update Clam Antivirus via the terminal? I already have installed clamav, but I want to know how can I update the virus database.
13
votes
6answers
400 views

Multiple versions of the same app on Ubuntu Software Centre?

I already published my proprietary app on Ubuntu Software Centre (https://myapps.developer.ubuntu.com), and now I want to update it with the new version. This time I wanted to upload multiple builds ...
12
votes
3answers
470 views

Why is my boot menu getting longer?

This question is going to be little incomplete but I am sure you will guess what my problem is. So 2 days back When I restarted my machine I got 7 options on the Boot Screen instead of 5. Earlier ...
12
votes
1answer
522 views

Why is a restart only required on some updates?

Why doesn't Ubuntu require restarts on more updates? I know that for kernel updates and things like video drivers, it can't load the changes without a restart. But I'm curious about more basic updates ...
12
votes
1answer
9k views

What does 'Ign' mean when running an apt-get update?

I had a bunch of errors in the output of sudo apt-get update: duplicate entries and 404 not found errors. Figured those out, I hope: I removed PPAs that didn't have any packages associated with ...
12
votes
5answers
28k views

WiFi problem after Ubuntu 12.10 update

I just updated my Ubuntu 12.10 today and it went fine and I was told to restart system and after I restart my WiFi stopped working. Mine is Broadcom BCM4312 card . It was working fine just before the ...
12
votes
2answers
14k views

could not mount /dev/mapper/cryptswap1

I have just had a major issue with my Ubuntu 11.04 Natty which I think is going to end up in a reinstall :-( This is problem one of two so I've put them as two questions. For some unknown reason I ...
12
votes
1answer
22k views

Ubuntu not booting: “Could not write bytes: broken pipes”

The problem When I boot Ubuntu 11.10, the boot process hangs, before even getting to the login screen of the display manager, with the message Could not write bytes: broken pipes at the top of the ...
12
votes
4answers
482 views

Where are release notes from security updates that were installed in the background?

My Update Manager is set up to download and release security updates silently in the background. Therefore release notes are no longer displayed. I wonder if there is a way to read the release notes ...