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92

If you have the version number, or the target release, apt-get supports choosing a particular version or target release. More details can be found on manual page of apt-get. It can also be accessed from terminal by typing man apt-get sudo apt-get install <package-name>=<package-version-number> OR sudo apt-get -t=<target release> install ...


75

Your version of Ubuntu can be determined by opening System Settings and then opening the System Info or Details (from 12.04) section: This page will also tell you whether you have the 32- or 64-bit version of Ubuntu installed, as well as what processor and graphics you have, the amount of RAM installed, and your disk capacity. You can get this info from ...


70

You can use apt-get to install a specific version of the package a long as it is in an archive that apt knows about. From the apt-get manpage: A specific version of a package can be selected for installation by following the package name with an equals and the version of the package to select. This will cause that version to be located and selected ...


64

This should give you what you want: cat /etc/lsb-release


60

Apart from: lsb_release -a and cat /etc/*release , you can also see the version in the GNOME System Monitor (press Alt + F2, type gnome-system-monitor, and hit Enter):


58

... or run lsb_release -d which should give you the the description including the OS name ("Ubuntu" on an Ubuntu system) and the release number. lsb_release -c will give you just the codename (e.g., "precise" for Ubuntu 12.04 LTS). For the release number only, use lsb_release -r For all lsb version details, use lsb_release -a EDIT: Thanks Eliah ...


38

Had the same problem with a VPS that can't be upgraded to Maverick (even the new LTS images aren't always made available on time). Marius' answer did the trick to get me started, but it should be expanded upon: Add the PPA to your sources If you're in my situation, the simple advice of running add-apt-repository won't work for you. So let's do this the ...


24

In Ubuntu 11.10 onwards, the version of Ubuntu installed can be found by entering System Settings > System Info (in newer versions like 14.04 LTS, this tab might be called Details instead): This page will also tell you whether you have the 32- or 64-bit version of Ubuntu installed, as well as what processor and graphics you have, the amount of RAM ...


19

apt-cache policy libgtk2.0-0 libgtk-3-0 (optionally pipe to grep Installed) or dpkg -l libgtk2.0-0 libgtk-3-0


19

Run this command from the terminal: cat /var/log/installer/media-info or, if the file doesn't exist, try: cat /var/log/installer/lsb-release


18

The command is uname -m. Open a terminal try using uname -m command. This should show you the OS architecture. If it gives any output like ix86, where x is 3,4,5 or 6, Your OS is 32bit. You can also see the Ubuntu architecture by Opening "System monitor" and going in the System tab. Difference between hardware platform and Processor type: There is a ...


18

$ lsb_release -r Release: 10.04 $ lsb_release -c Codename: lucid $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 10.04.2 LTS Release: 10.04 Codename: lucid $ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=10.04 DISTRIB_CODENAME=lucid "LSB" means Linux Standard Base, a ...


17

4.10 Warty Warthog 2.6.8 5.04 Hoary Hedgehog 2.6.10 5.10 Breezy Badger 2.6.12 6.06 Dapper Drake 2.6.15 6.10 Edgy Eft 2.6.17 7.04 Feisty Fawn 2.6.20 7.10 Gutsy Gibbon 2.6.22 8.04 Hardy Heron 2.6.24 8.10 Intrepid Ibex 2.6.27 9.04 Jaunty Jackalope 2.6.28 9.10 Karmic Koala 2.6.31 10.04 ...


17

You are asking different questions essentially, and are also requesting an opinion. Let's split these analyses up then I'll add my two cents. Desktop vs. Server Edition Which do you want to work with more, a GUI or a command line? Better question, do you want to deal with the overhead of a graphical interface which will need memory cycles and video ...


16

From man deb-version: NAME deb-version - Debian package version number format SYNOPSIS [epoch:]upstream-version[-debian-revision] DESCRIPTION Version numbers as used for Debian binary and source packages consist of three components. These are: epoch This is a single (generally small) unsigned integer. ...


15

Quite a few ways - In command line: lsb_release -a ▸ exact release name, version etc. cat /etc/issue ▸ formal release name cat /etc/issue.net ▸ cleaner version of previous one cat /etc/debian_version ▸ will give you the Debian code name cat /proc/version ▸ will give you quite a lot of info about your kernel, when was it compiled, which gcc version has ...


15

No, it's not considered safe to define 2.7 as your default Python interpreter in Lucid. And I don't think it will be in the future. There are no major version upgrades of any software in one release. So python2.7 will not replace 2.6 as the default interpreter. This kind of upgrade is only done between versions, within one - especially an LTS - there are ...


12

You can use dpkg or apt-cache. To check the version of bash, for example: dpkg -l bash apt-cache show bash


12

If you have upgraded software using ppa you can downgrade it by using ppa-purge. First you have to install ppa-purge using this code: sudo apt-get install ppa-purge Then you can remove the ppa using command sudo ppa-purge ppa:user/ppa-name this will automatically downgrade the software to its original version which shipped with Ubuntu.


12

I have created a PPA that contains a build of GCC 4.7 for Precise here: ppa:george-edison55/gcc4.7-precise (Click here for instructions on using PPAs.) To backport a package from one release to another is a relatively simple process assuming you have a Launchpad account and have registered your GPG key there. Make sure you have the ubuntu-dev-tools ...


12

This is the epoch. It overrides the version in determining which of two packages is newer: From the deb-version man page: epoch This is a single (generally small) unsigned integer. It may be omitted, in which case zero is assumed. If it is omitted then the upstream-version may not contain any colons. It is provided ...


11

The upstream kernel version shipped in 11.04 is 2.6.38. You can look at the package source in Launchpad to see other versions for each release.


11

It's a bug. Run lsb_release -a in terminal, and it will show you the correct version that you are using. Here is a bug report.


11

Generally changes are proposed and debated by the community at the Ubuntu Development Summit. See, for example, the Maverick Desktop Application Selection blueprint. There are some rules; the application must be in the main repository (which means it will be officially supported) and it and its dependencies must fit on the install CD. Applications can be ...


10

There's a PPA with Python 2.7 built for Ubuntu 10.04. It may be safer/more convenient than building from source.


10

What counts most here is not the "version" (e.g.Precise 12.04 instead of Oneiric 11.10), but the desktop environment that comes on top of the Ubuntu OS (Xfce/Xubuntu vs Unity vs KDE/Kubuntu). Beyond all these, there is one operating system. Sorry to disagree with people here, but I do not think that 1 GB of RAM is sufficient to run in full comfort (that is ...


10

Use Anwar's answer to find the architecture. Now here is the explanation for your second part of the question. Below is the uname output: In my case I have installed a 32 bit version. Both i386 and i686 refer 32 bit version. uname will return x86_64 in case if it is a 64 bit version. $ uname -a Linux devav2 3.2.0-30-generic-pae #48-Ubuntu SMP Fri Aug 24 ...


10

It's actually 9.1. Saucy seems to be pulling postgresql* packages from Debian's unstable dist, where because of some version dependencies they had to make the 9.1 branch look like 9.3 to the package manager until 9.3 graduates from their experimental to their unstable distro. See here: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=707675 Especially ...


9

First you need to have a running Zookeeper server-instance. Open a terminal, and start the Zookeeper server: /usr/share/zookeeper/bin/zkServer.sh start-foreground Note: Zookeeper will not start unless it can write to it's datadir and logfile. Open another terminal, and replace zkserver1 with the hostname\ip eg. 127.0.0.1 : echo ruok | nc zkserver1 ...



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