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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300
votes
8answers
910k views

How to install updates via command line?

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 in I still ...
285
votes
9answers
652k views

What does “sudo apt-get update” do?

I am wondering what sudo apt-get update does? What does it update?
182
votes
6answers
142k 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 ...
176
votes
10answers
128k 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?
99
votes
12answers
193k views

How to fix missing GPG keys?

I have just installed Ubuntu 12.04 and I added some repo, and when I did apt-get update, I got missing gpg key. Following command seems to doesn't work for me: apt-get update 2> /tmp/keymissing; ...
89
votes
5answers
46k 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 ...
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 ...
72
votes
8answers
241k 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 ...
62
votes
11answers
8k 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 ...
53
votes
2answers
37k 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 ...
53
votes
2answers
24k views

There is no public key available for the following key IDs 1397BC53640DB551 [duplicate]

When I run the command: sudo apt-get update I got this following warning: There is no public key available for the following key IDs: 1397BC53640DB551 This is the only warning I got and I do not ...
52
votes
2answers
27k views

apt-get stuck at 0 [Connecting to us.archive.ubuntu.com]

When I do upgrade it gets stuck here: user@plato:~# sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done ...
50
votes
6answers
41k views

Where can I look up my update history?

Is there a place where I can look what updates I've installed?
50
votes
11answers
129k views

Adobe Flash Plugin is vulnerable/outdated in 14.04 but there is no update in Firefox

I am using Ubuntu 14.04 LTS. When I open a site which requires flash plugin (e.g. Youtube), Firefox says This plugin is vulnerable and should be updated. However if I click Check for updates... ...
48
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 apt-...
45
votes
3answers
23k 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 ...
43
votes
6answers
43k 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 ...
40
votes
4answers
29k 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?
37
votes
1answer
62k views

Failed to fetch update on Ubuntu 14.04 LTS (Trusty Tahr) [duplicate]

While running the update at Ubuntu 14.04 LTS (Trusty Tahr). The following error is being encountered: W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/binary-amd64/...
36
votes
3answers
111k 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 ...
33
votes
4answers
37k 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 ...
32
votes
1answer
28k views

Unable to find expected entry 'main/binary-i386/Packages - Chrome [duplicate]

I recently noticed while installing some packages and using the command apt-get update that I ran into the following error: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/Release ...
32
votes
4answers
3k 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.
32
votes
5answers
6k views

Why does Ubuntu need to update its kernel so often?

What are the advantages for updating so often?
31
votes
2answers
139k views

Update Ubuntu 14.04 to 15.04

Currently I have Ubuntu 14.04 in my laptop and now I want to update it to 15.04. I have Windows 8 and Kali Linux along with my Ubuntu. How should I update my Ubuntu to 15.04 without losing my other ...
28
votes
4answers
110k 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.
28
votes
6answers
25k 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 ...
28
votes
1answer
23k 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 them,...
27
votes
5answers
27k views

How can I 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 ...
27
votes
4answers
90k 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)
26
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?
26
votes
3answers
7k 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?
26
votes
3answers
164k views

How do I update Ubuntu manually?

I wanted to update Ubuntu manually, because I used CDMA USB modem and connected using wvdial, but it won't able to update Ubuntu via Update Manager, because my Ubuntu won't showing "Connected" message ...
25
votes
5answers
14k 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 ...
24
votes
8answers
4k views

Should I restart after updating my system?

Should I restart my PC every time it gets updated?
24
votes
9answers
7k 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 ...
23
votes
8answers
50k views

How do I fix a “E: The method driver /usr/lib/apt/methods/http could not be found.” error?

I tried updating my packages from the terminal and this is what I got: $ sudo apt-get update E: The method driver /usr/lib/apt/methods/http could not be found. E: The method driver /usr/lib/apt/...
23
votes
3answers
11k 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 ...
23
votes
5answers
9k 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. me@...
22
votes
7answers
15k views

How to automatically update Atom editor?

Automatic update of Atom feature is not yet supported for Ubuntu. From their Github: Currently only a 64-bit version is available. Download atom-amd64.deb from the Atom releases page. Run ...
22
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: 5.0~b5+build1+nobinonly-0ubuntu0.11....
20
votes
3answers
10k 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 ...
20
votes
1answer
1k views

What updates is 'Ubuntu Software' installing?

I have recently upgraded from 15.10 to 16.04LTS. Since the upgrade, I have still been prompted occasionally to update by 'Software Updater' which had been present in 15.10. Quite a few updates to ...
18
votes
5answers
7k 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?
18
votes
1answer
33k 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) ...
18
votes
1answer
38k views

How to update Mozilla Firefox web browser on 64-bit Ubuntu 12.04 LTS in a safe, secure, reliable, efficient and easiest way?

I'm using 64-bit Ubuntu 12.04 LTS on my machine. Currently, I'm using Mozilla Firefox 33.0(Mozilla Firefox for Ubuntu canonical - 1.0) I'm not getting update option in menu Hrml->About Firefox but ...
17
votes
4answers
3k 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? ...
17
votes
3answers
10k views

29 packages can be updated - How?

I see the following message when I login: 29 packages can be updated. 6 updates are security updates. How can I perform the updates? I tried apt-get upgrade and some stuff was installed ...
17
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 ...
17
votes
6answers
7k views

Firmware update for iPod Touch (iPhone)?

I need to update firmware of my iPod Touch (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 ...