Questions about the management of packages, in particular the `dpkg` system.

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4
votes
2answers
745 views

How to recover removed packages with the purge flag?

I accidently removed a package with the purge flag and it removed large parts of the Ubuntu system, including the pulseaudio server, the software center, system settings and many, many other programs ...
3
votes
0answers
53 views

error opening cache [duplicate]

Possible Duplicate: How do I fix a “Problem with MergeList” error when trying to do an update? I have been reviving the following error today, because of this I cannot install ...
3
votes
1answer
737 views

Cannot backup Evolution folders

After using Ubuntu since 5.04 I upgraded to 12.04 5 days ago . Then the .evolution folder showed only an empty Tasks folder. I need to save my mail folder contents (hundreds of emails) but only get ...
58
votes
4answers
84k views

Requires installation of untrusted packages?

I tried installing VLC Player yesterday, and I got the Requires installation of untrusted packages error. I searched for hours for a solution to this problem, and finally came upon a suggestion that ...
0
votes
0answers
52 views

How do I fix broken packages in 12.04? [duplicate]

Possible Duplicate: Fixing Broken Packages I am trying to install the nautilus-actions-extra package via synaptic. When I do synaptic advises me that I have broken packages. I have ...
0
votes
2answers
813 views

The package fglrx needs to be reinstalled, but I can't find an archive for it

Wish I was here with good news today but as my luck has it I'm afraid I'm not :( I recently bought a new graphics card (sapphire HD 7870) and installed it into my system ... went well up to there ... ...
-1
votes
2answers
284 views

Cannot install Skype [duplicate]

Possible Duplicate: “E: The list of sources could not be read.” while trying to update “Malformed line 6” error in my /etc/apt/sources.list Evey time I try to ...
3
votes
1answer
430 views

What is the difference between nvidia-graphics-drivers and nvidia-graphics-drivers-updates

I see that there are two packages nvidia-current and nvidia-current-updates. The apparently stem from nvidia-graphics-drivers and nvidia-graphics-drivers-updates respectively: ...
2
votes
1answer
2k views

(VRML) Files, How to Render

How can i render (VRML) Files. From here http://csi.chemie.tu-darmstadt.de/ak/immel/script/redirect.cgi?filename=http://csi.chemie.tu-darmstadt.de/ak/immel/tutorials/orbitals/vrml.html ...
2
votes
4answers
9k views

How to delete all desktop environments except Unity?

I am using Ubuntu 12.04 with many desktop environments like Unity,Gnome,Lubuntu,Xubuntu , Cinnamon and many . Now i'd like to remove all except Ubuntu because they all are messing with my main unity ...
1
vote
1answer
356 views

Can't download or remove software

Nothing works, whether it's an update, or software, or anything, even on Synaptic. I found another similar thread, and tried that but that didn't work. Synaptic is giving me the following message: ...
3
votes
1answer
4k views

apt lists in /var/lib/apt/lists overwritten with html page for Starbucks wifi terms

I sat down at Starbucks this afternoon to do some work (Ubuntu 12.04 Desktop x64), and got the red-circle-with-white-line error icon in the systray notifying of a package error. Also, apt, aptitude, ...
3
votes
3answers
291 views

What chemistry software are there for Ubuntu?

I am looking into Organic Chemistry and would like to know, if there are any packages that can help me to visualize better. Topics that I am interested in: Covalend Bonds Hybridization Resonance ...
2
votes
0answers
919 views

Why did Ubuntu remove SpiderMonkey package?

I noticed Ubuntu didn't support SpiderMonkey since 10.04. I guess it may have something to do with license. Can You Tell Me The Reason Why?
4
votes
2answers
3k views

How can I remove all build dependencies for a particular package?

When I want to compile something from source in Ubuntu/Debian, I usually get build-dependencies by running "sudo apt-get build-dep PACKAGE_NAME" in the terminal. They are (usually) useless once the ...
2
votes
1answer
14k views

cannot send mail to localhost with postfix: Temporary lookup failure

I removed postfix, tried Apache James, removed James, and now cannot get postfix working again: to my knowledge, I'm using postfix correctly as so: thufir@dur:~$ thufir@dur:~$ telnet localhost 25 ...
2
votes
2answers
5k views

How to remove Mate desktop from ubuntu 12.04 [duplicate]

Possible Duplicate: How to remove desktop environments? I just installed the MATE desktop following the instructions here but im not satisfied with MATE (actually it totally looks like a ...
2
votes
1answer
49 views

are ubuntu specific packages capable of installing on lubuntu?

I want to switch to lubuntu 64 bit. Initially i had ubuntu 64 bit. I have saved all the packages in /var/cache/apt/archive; My question is that can I use the same packages for lubuntu 64 bit and ...
1
vote
2answers
3k views

How do I install GMSH? [duplicate]

I am trying to install Gmsh in 12.04 x64: xxx@sjb-linux:/320/installslinux/gmsh$ sudo apt-get install gmsh Reading package lists... Done Building dependency tree Reading state information... ...
2
votes
2answers
499 views

What packages/programs should I install to get better graphics and performance on gaming?

So, I want to install some packages/programs to get better graphics and performance while playing a game on Ubuntu 11.10. What packages/programs you guys recommend to me?
0
votes
1answer
208 views

How to create a PPA package from existing launchpad source package?

There a source package for ruby1.9.1 versioned 1.9.3.194-1 on launchpad.net, at: https://launchpad.net/debian/sid/+source/ruby1.9.1/1.9.3.194-1/ How do I upload this to my PPA and compiling it for ...
2
votes
6answers
15k views

repair broken packages-“dpkg: error: conflicting actions -f (--field) and -r (--remove)”

Ubuntu 12.04 LTS. if more information will be needed, tell me and'll give. the main problem is: tzach@tzach-pc:~$ sudo apt-get install docky [sudo] password for tzach: Reading package lists... Done ...
2
votes
1answer
252 views

XKCD browser dependency issues

I have followed exactly the same instructions for installing xkcd-browser but facing the dependency issues sudo add-apt-repository ppa:brianrobles204/xkcd-browser; sudo apt-get update; sudo apt-get ...
0
votes
1answer
1k views

aptitude install apach derby ij

I see a similar question here: Question How do I connect to toursdb of Derby database using ij in Ubuntu How do I connect to toursdb of Derby database using ij in Ubuntu I have Ubuntu , I have ...
3
votes
1answer
2k views

What makes Ubuntu harder for viruses to infect [duplicate]

Possible Duplicate: What is the Ubuntu “built in virus protection”? One question I get asked a lot is why there are no viruses on Ubuntu (Linux in general). Even though it is ...
2
votes
0answers
465 views

Cannot update using Update manager because “Package operation failed”

I have 390 updates after opening up 32 bit through VM Ware Fusion. When tried to update, I got "Package operation failed" error and I can't even open up .run to install the application. Here are the ...
22
votes
5answers
27k views

How not to install recommended and suggested packages?

I use Ubuntu 12.04 64-bit, I did the following, sudo gedit /etc/apt/apt.conf and added APT::Install-Recommends "false"; APT::Install-Suggests "false"; but did not work. When I try to install a ...
6
votes
4answers
10k views

Not enough space in /var/cache/apt/archives/

I had yesterday problem to install a package called ckan, and then I had some buggs. In fact, it was solved because odf the following : The doc ...
5
votes
2answers
424 views

Detecting packages that i am not using to uninstall them

I've been using ubuntu for almost four years now. I am pretty sure there are many applications and packages i never use (like empathy, for example) and i would like to know which ones they are. Is ...
10
votes
1answer
13k views

Where do packages installed/upgraded with APT get stored?

As time goes by we tend to do apt-get install and add or replace software. Are these archived in some form or do they get auto-cleared after installation? And if it doesn't get auto-cleared, it would ...
2
votes
0answers
88 views

Trouble installing package and updating

I almost nothing about Ubuntu. When I try to run the command to install of a package, I am said that 'unable to locate package' When I try to run sudo apt-get update, the system seems being blocked! ...
1
vote
1answer
242 views

Unable to install updates

I am trying to install the regular updates on my Ubuntu 12.04 but for some reason I keep getting this error. Any Idea how I can resolve it?
0
votes
0answers
13 views

Impossible Installing ckan [duplicate]

Possible Duplicate: How do I install ckan? I almost nothing about Ubuntu. When I try to run the command to install of a package called ckan, I am said that 'unable to locate package' I ...
0
votes
1answer
878 views

How can I install gcc 3.3, g++ 3.3, cpp 3.3? [duplicate]

Possible Duplicate: Old version of gcc for new Ubuntu I am trying to follow the directions for installing the Dyna language in Ubuntu, here: http://dyna.org/wiki/index.php?title=Download ...
0
votes
0answers
56 views

Removing unwanted packages in Ubuntu [duplicate]

Possible Duplicate: How do I free up disk space? I am running Ubuntu 11.10 in my VPS and it's occupying quite a lot of my disk space, how do I remove the packages that are not being ...
12
votes
1answer
612 views

What is the use of *-doc packages?

I was installing some programs, and every program has a XXX-doc package. I suppose it's for documentation, maybe even for man pages? Because I get a documentation online, thus in that case may I ...
1
vote
0answers
1k views

I cannot install Synaptic Package Manager because of the following error

How do I go around this and install it? $ sudo apt-get install synaptic Reading package lists... Done Building dependency tree Reading state information... Done Package synaptic is not ...
3
votes
2answers
4k views

Can't download anything from Software Center

I'm new to Ubuntu Not found There isn’t a software package called “codeblocks” in your current software sources. Not found There isn’t a software package called “vlc” in your current software ...
1
vote
2answers
179 views

Just Now Purged Packages By Mistake

I purged the following packages by mistake. How do i reinstall them. Here are logs. I was trying to Remove And Purge Orca Screen Reader. Start-Date: 2012-08-17 07:16:01 Commandline: apt-get --purge ...
7
votes
3answers
3k views

How do I install a package with aptitude?

I've looked at an aptitude tutorial and read the man page, but I just don't get it. After you launch aptitude, how do you say "install package foo"? Or search for all packages with "foo" in their ...
0
votes
1answer
297 views

How to upgrade nautilus to 3.4 on 11.04?

I'd like to upgrade Nautilus from 2.32.2.1 to 3.4 because I've encountered a problem which I cannot reproduce on Nautilus 3.4 (on Ubuntu 12.04). I guess there might be a bug in my current version. ...
1
vote
2answers
852 views

How can I get optimized, non-stripped versions of libc and vmlinuz?

A commonly done task is to profile things. Profiling is rarely done on debug builds. Ubuntu seems to either give you the choice of stripped optimized executables or debug builds. I've run into this ...
0
votes
1answer
2k views

Installing Oracle JDK, and repairing apt-get

I installed OpenJDK as soon as I installed the OS. Then I downloaded IntelliJ IDEA and tried running it. It displayed a warning that IDEA has known graphics issues with OpenJDK and that I should ...
0
votes
2answers
6k views

pkgProblemResolver error when running Package Manager and updating 12.04

Ubuntu 12.04 (Original Ubuntu version was 8.xx) I have a message on the top bar that an error occurred and to run Package Manager. I received the following message after running package manager: ...
1
vote
2answers
5k views

What is the best way of installing the R package XLConnect?

What is the best way of installing the R package XLConnect in Ubuntu 12.04 x86? I tried to manually install it via R, using install.packages("XLConnect",dependencies=TRUE), but after half an hour of ...
0
votes
1answer
21 views

error log for papercut crash

it looks like papercut is causing some problems after an upgrade: Where is this log located?
3
votes
1answer
173 views

Problems with Psychonauts and the Ubuntu Software Center?

I decided to buy the Psychonauts PC game from the Ubuntu Software Center. Now, my laptop is practically empty, with only my OS and a few bits and bobs installed. The download for Psychonauts took ...
3
votes
2answers
7k views

Creating a script to install software after a clean install?

I find myself moving between multiple new machines lately (new laptop, new computer at work, etc.). I want to create a bash script to install all the software I use. Ninite is not reach enough. I have ...
0
votes
1answer
229 views

which ppa or repo has libgmime-2.0-2a?

where can I download this package? I've found it in hardy, but it seems to be unavailable. I'm trying to install dbmail from http://debian.nfgd.net/debian : thufir@dur:~$ thufir@dur:~$ sudo ...
0
votes
1answer
248 views

how safe is deb http://debian.nfgd.net/debian unstable main?

How safe is it to install these two packages? root@dur:/home/thufir# root@dur:/home/thufir# tail /etc/apt/sources.list ## This software is not part of Ubuntu, but is offered by third-party ## ...