Advanced Packaging Tool, the package manager for Debian-based distributions. It is also the most used tool for installing packages in Ubuntu. Questions about using any of the apt tools should use this tag.

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1answer
153 views

Problem with desktop environments ubuntu [duplicate]

Ok so here is the problem in short: I run ubuntu 14.04 LTS with two desktop environments: Gnome which i usually use and spectrwm. I removed gnome (followed instructions from somewhere) and left out ...
1
vote
1answer
662 views

Can't install VLC package from the PPA “The following signatures couldn't be verified because the public key is not available” [duplicate]

Since I installed Ubuntu I was unable to install video Codecs I get the following errors: The following packages have unmet dependencies: The following packages have unmet dependencies: ...
2
votes
3answers
7k views

how do I downgrade google chrome?

Presumably after an update, google chrome has very serious problems with page rendering. I want to downgrade it. (Switching to vmlinuz.old and initrd.img.old did not help). $ apt-cache policy ...
0
votes
1answer
270 views

Added PPA, can't get updated packages

Alright, I'm no so much a ubuntu novice, but this one has me pulling my hair out. I've done this a MILLION times before, but this time something is just not working. I have added 2 PPA's: ...
0
votes
1answer
146 views

“package libmono-security4.0-cil is not ready for configuration” how to make it ready?

I'm getting this error New software can't be installed, because there is a problem with the software currently installed. Do you want to repair this problem now? And other than this error message ...
0
votes
1answer
3k views

cannot install lxml in virtualenv (python)

I cannot install lxml. In system i have python-lxml package, but i need other... Please help, if you can - my task is install lxml for development in virtual enviroment using virtualenv. I found this ...
1
vote
1answer
108 views

apt server certificate verification with a valid certificate

I'm attempting to make a private apt repo. Its going to be served over https and its located at https://repo.signalvine.com. It is also going to be using basic auth, which I setup as deb ...
21
votes
5answers
3k views

How to both display a command line's output on console and save the output into a text file?

How can I run sudo apt-get install by BOTH seeing the process of installation (long in my case) and saving its output into a text file ?
1
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0answers
315 views

Error occured when updating system

I have a problem during updating my Ubuntu system using terminal. Recently, there was two warning message appears on my terminal which like below: W: Failed to fetch ...
1
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2answers
95 views

How do I check services requiring a restart (of services, not the machine) by installing updates to other packages

If I run sudo apt-get upgrade then I get shown a list of packages and if any of these are services, they may need to be restarted (which is done automatically when installing the updates). How can I ...
0
votes
1answer
95 views

gstreamer bad plugin of file .dep are not allowing me to install any software

For any install in ubuntu It is giving the same error. How can I remove all these gstreamer package errors? The error is installArchives() failed: dpkg: dependency problems prevent configuration ...
1
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1answer
1k views

sudo apt-get update cannot resolve servers, but I can ping them

For the last few days, when I run sudo apt-get update, it fails because some of the hosts cannot be resolved. However, I can ping them, so they definitely are getting resolved. My internet is working ...
0
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2answers
4k views

why build-essential failed?

I cannot found solution for this problem: constantia@constantia:~$ sudo apt-get install build-essential Reading package lists... Done Building dependency tree Reading state information... Done ...
1
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0answers
285 views

Where is krb5_util on Ubuntu 14.04?

The crucial krb5_util command (http://web.mit.edu/kerberos/krb5-latest/doc/admin/admin_commands/kdb5_util.html#kdb5-util-8) doesn't seem to be available on Ubuntu 14.04 although it ships with 1.12.x ...
0
votes
0answers
149 views

I want to use tomcat6 but eclipse wants tomcat7

I'm using Xubuntu 14.04 in a chroot to run a development environment. Or, well, I'm trying to. For the development I need to do I need to use tomcat 6 but I need to also use eclipse. Unfortunately ...
0
votes
0answers
131 views

How do I recover ubuntu package manager from unmet dependencies errors [closed]

I have gotten the package manager into the following situation and have tried all "automatic" fixes but they did not resolve it. The following packages have unmet dependencies. ...
2
votes
2answers
6k views

How do I get the latest automake?

This is very similar to WARNING: 'automake-1.11' is probably too old On Ubuntu 12.04 LTS, I'm getting the following error message: WARNING: 'automake-1.14' is missing on your system. ...
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0answers
87 views

EC2: Are frequent apt-get upgrades a good idea? [closed]

In my Ubuntu Desktop, I often run: sudo apt-get update && sudo apt-get upgrade && sudo apt-get autoremove To keep my machine updated. Is this a good idea in an EC2 production ...
1
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0answers
22 views

EC2: Should I restart when I get a “*** System restart required ***”? [duplicate]

When I log into my machines after an apt-get upgrades, I often get this message: System load: 0.06 Processes: 86 Usage of /: 28.3% of 7.75GB Users logged in: 0 ...
1
vote
1answer
2k views

sudo apt-get upgrade - Failure [duplicate]

This is a first for me. I've been having trouble upgrading Ubuntu 12.04. How do I fix this? sudo apt-get upgrade: Reading package lists... Done Building dependency tree Reading state ...
1
vote
1answer
291 views

apt-get upgrade not fully installed but is ok, how to remove?

We use mariadb with galera. All works well, but every time we upgrade with sudo apt-get upgrade it thinks it fails to upgrade mariadb-server, but it does work fine. I think the issue is caused because ...
1
vote
1answer
393 views

Prevent apt-get remove from uninstalling related packages

I uninstalled some packages with apt-get remove. In addition to the selected packages the Okular document viewer was removed, which was running on my computer long before the other packages. Is there ...
0
votes
1answer
548 views

How to keep tor browser bundle updated

I am using Ubuntu 14.04. I decided to install the tor browser bundle today. After some quick research online i discovered this article specifically discouraging users from using the Ubuntu packages as ...
1
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1answer
4k views

Error occured when apt-get update run

I tried to run sudo apt-get update on Ubuntu Gnome 14.04. And here is result: Err http://ppa.launchpad.net trusty InRelease Err ...
1
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1answer
54 views

Is it possible to do only the download part of apt-get/aptitude full-upgrade?

When I go to internet cafe, I'd like to take that opportunity to upgrade the system. Sometimes though there is not electrical sockets in the cafe. To conserve batteries I'd like to be able to only do ...
0
votes
1answer
299 views

How can i fix the add-apt-repository hang?

I'm not sure what happened, but add-apt-repository doesn't work anymore. If I try, it just hangs: After "[sudo] password for cyanogenhacker:" and entering the password, it just flashes the cursor ...
0
votes
2answers
199 views

How to uninstall with apt-get? [duplicate]

I ran this command: sudo apt-get install gtk2-engines-murrine:i386 gtk2-engines-pixbuf:i386 sni-qt:i386 But now I want to remove what I've just installed. What's the command?
2
votes
2answers
2k views

Unable to install php5-mcrypt on Ubuntu 14.04

I can't install php5-mcrypt on ubuntu 14.04. I'm doing this: $ sudo apt-get install php5-mcrypt And getting this: Reading package lists... Done Building dependency tree Reading state ...
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votes
1answer
111 views

Plug-in Installation Problem

when i am trying to install required plug-ins to play music,the following notice is coming: Failed to fetch ...
0
votes
1answer
713 views

Ignore apt-get postinstall scripts automatically

We have a script we is installing multiple packages, but should skip any actions in postinstall scripts. I tried this: touch /var/lib/dpkg/info/packagename.postinst chmod +x ...
0
votes
1answer
214 views

Cannot update because of Missing packages (12.04 LTS)

I'm not being able to update my Ubuntu 12.04 because of missing packages, how can I solve it? Here's a link of the error I'm getting every time I want to update: Thanks in advance
0
votes
2answers
500 views

Ubuntu 13.10 won't update. apt update and apt upgrade fail

UPDATE: Ive reinstalled libreadline6 to no avail. Im still getting the undefined symbol errors gpg: symbol lookup error: /usr/local/lib/libreadline.so.6: undefined symbol: UP Any help appreciated. ...
-1
votes
1answer
174 views

How do I resolve not fully installed package (python3-setuptools)?

I was trying to install python3-setuptools, and when i run $ sudo apt-get install python3-setuptools I get this error: Reading package lists... Done Building dependency tree Reading state ...
1
vote
1answer
258 views

apt-get -s E: the option « s » in command line [origin -s] is unknown

Near all is in the title, but 14.04. I also tried all the 5 equivalent long (--) options found in man with the same error. -u from man also fails the same way. Please what is this? Thank you.
0
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0answers
22 views

Unable to Install VLC in Ubuntu 14.04 [duplicate]

I get this error while trying to install VLC: The following packages have unmet dependencies: vlc : Depends: vlc-nox (= 2.1.4+git20140611+r54536+19+11~ubuntu14.04.1) but it is not going to be ...
0
votes
0answers
22 views

Why in source.list we MUST set distro name version?

I can't understand why things like this still exists? deb /ubuntu raring| main I mean any developer know that redundancy makes more mistakes and harder for maintain. Why we can't just put URL here and ...
1
vote
1answer
2k views

sudo apt-get install <multiple packages> cannot read packages

I am trying to setup ruby on rails on a new ubuntu machine. I want to install all the dependencies at once after a sudo apt-get update, but encountered errors saying the packages has no installation ...
0
votes
1answer
188 views

Update/Upgrade to address CVE-2014-0224 does not change build date

Ubuntu reports that updating to libssl1.0.0 and 1.0.1-4ubuntu5.14 will address CVE-2014-0224 (USN-2232-1) That these are the installed libraries can be verified with apt-cache policy openssl: ...
2
votes
1answer
421 views

Cannot install any package via apt-get

So my problem is quite easy to describe: I can't install anything in my Ubuntu installation. apt-get stopped working after I tried to fix some other package errors I was getting. Now I'm nowhere. Let ...
1
vote
2answers
40 views

Is there a way to download linux applications from other computers? [duplicate]

In my house there is no internet connection, then I can't use the 'sudo apt-get install' command. I wonder if I can download a package, put it in my computer in a specific folder, and just get the ...
0
votes
4answers
447 views

Error installing ubuntu-restricted-extras

Ubuntu said I needed to install plugins using the following command in terminal: sudo apt-get install ubuntu-restricted-extras But then I got this error: Reading package lists....Done Building ...
0
votes
2answers
664 views

sudo apt-get not working [duplicate]

I just reinstalled Ubuntu 14.04. Whenever I try to install something using sudo apt-get install it says " has no installation candidate". What do I do?
0
votes
0answers
29 views

alx driver not working properly

My alx driver seems to be working fine for everything except apt-get. I can navigate to web pages, the ping command works just fine, but whenever I try to do apt-get update or apt-get install it ...
1
vote
1answer
2k views

Ubuntu 14.04 64 bit - Unmet Dependencies (skype, steam, samba)

I can't install many different kinds of packages on my Ubuntu 14.04 64bit system. I have run the command sudo dpkg --add-architecture i386 as many of the related questions have suggested, but when ...
0
votes
1answer
58 views

Trying to build/install patched gtk3-engines-oxygen to test bugfix, get shared changelog.Debian.gz is different from other instances of package

I want to just quickly test the patch in this bug report to gtk3-engines-oxygen so it can go upstream. I could test it either temporarily or permanently; I would just like to do it. I currently have ...
2
votes
1answer
40 views

Is it safe to remove “proposed” from sources.list?

I just realized that one of my production machines has : deb http://us.archive.ubuntu.com/ubuntu/ precise-proposed main restricted universe multiverse enabled inside its apt-get sources.list. ...
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votes
1answer
93 views

Problems with update [duplicate]

I have a problem with updates. During update, i receive the following message. Failed to download repository information Check your Internet connection. W:Failed to fetch ppa.launchpad.net/ ...
3
votes
2answers
39 views

How do I prevent software packages from being downloaded until I know it's safe?

Recently, an update that caused a problem with Gnome session caused me to lose a day's work. The solution was to rollback some packages to a previous version. The update manager is now telling me ...
0
votes
1answer
197 views

Errors were encountered while processing gdk-pixbuf-psd

I'm getting this error whenever I'm installing/removing or anything else using dpkg... Errors were encountered while processing: gdk-pixbuf-psd E: Sub-process /usr/bin/dpkg returned an error code ...
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votes
0answers
321 views

Unable to locate package [duplicate]

There are many questions about Unable to locate package. For example : if user try to install package by using apt-get then the following error shown. (Here package is used only as example for ...