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I am trying to install Mercurial using apt-get on a web server running Debian. I would prefer to have the latest stable version of Mercurial but I would be happy with anything reasonably recent. I tried entering the command sudo apt-get install mercurial and I got the following response:

Reading package lists... Done
Building dependency tree... Done
You might want to run `apt-get -f install' to correct these:
The following packages have unmet dependencies:
  mercurial: Depends: libc6 (>= 2.4) but 2.3.6.ds1-13etch10 is to be installed
             Depends: python (>= 2.5) but 2.4.4-2 is to be installed
             Depends: python-support (>= 0.90.0) but 0.5.6 is to be installed
             Depends: mercurial-common (= 1.7.5-1) but it is not going to be installed
  trac: Depends: python-genshi but it is not installable
W: Couldn't stat source package list http://debian.newdream.net etch/main Packages (/var/lib/apt/lists/debian.newdream.net_dists_etch_main_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.newdream.net etch/non-free Packages (/var/lib/apt/lists/debian.newdream.net_dists_etch_non-free_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.newdream.net etch/contrib Packages (/var/lib/apt/lists/debian.newdream.net_dists_etch_contrib_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://www.backports.org etch-backports/main Packages (/var/lib/apt/lists/www.backports.org_debian_dists_etch-backports_main_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://volatile.debian.org etch/volatile/main Packages (/var/lib/apt/lists/volatile.debian.org_debian-volatile_dists_etch_volatile_main_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://volatile.debian.org etch/volatile/contrib Packages (/var/lib/apt/lists/volatile.debian.org_debian-volatile_dists_etch_volatile_contrib_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://volatile.debian.org etch/volatile/non-free Packages (/var/lib/apt/lists/volatile.debian.org_debian-volatile_dists_etch_volatile_non-free_binary-amd64_Packages) - stat (2 No such file or directory)
W: You may want to run apt-get update to correct these problems
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).

I tried running sudo apt-get -f install and got some more stat-related errors and a suggestion to run apt-get update. (Let me know if you need to know more details)

I tried sudo apt-get update and got several 404 errors followed by this:

Reading package lists... Done
W: GPG error: http://debian.di.newdream.net etch Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8E4BD8EB613A210F
W: Couldn't stat source package list http://debian.newdream.net etch/main Packages (/var/lib/apt/lists/debian.newdream.net_dists_etch_main_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.newdream.net etch/non-free Packages (/var/lib/apt/lists/debian.newdream.net_dists_etch_non-free_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.newdream.net etch/contrib Packages (/var/lib/apt/lists/debian.newdream.net_dists_etch_contrib_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://www.backports.org etch-backports/main Packages (/var/lib/apt/lists/www.backports.org_debian_dists_etch-backports_main_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://volatile.debian.org etch/volatile/main Packages (/var/lib/apt/lists/volatile.debian.org_debian-volatile_dists_etch_volatile_main_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://volatile.debian.org etch/volatile/contrib Packages (/var/lib/apt/lists/volatile.debian.org_debian-volatile_dists_etch_volatile_contrib_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://volatile.debian.org etch/volatile/non-free Packages (/var/lib/apt/lists/volatile.debian.org_debian-volatile_dists_etch_volatile_non-free_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.newdream.net etch/main Packages (/var/lib/apt/lists/debian.newdream.net_dists_etch_main_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.newdream.net etch/non-free Packages (/var/lib/apt/lists/debian.newdream.net_dists_etch_non-free_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.newdream.net etch/contrib Packages (/var/lib/apt/lists/debian.newdream.net_dists_etch_contrib_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://www.backports.org etch-backports/main Packages (/var/lib/apt/lists/www.backports.org_debian_dists_etch-backports_main_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://volatile.debian.org etch/volatile/main Packages (/var/lib/apt/lists/volatile.debian.org_debian-volatile_dists_etch_volatile_main_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://volatile.debian.org etch/volatile/contrib Packages (/var/lib/apt/lists/volatile.debian.org_debian-volatile_dists_etch_volatile_contrib_binary-amd64_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://volatile.debian.org etch/volatile/non-free Packages (/var/lib/apt/lists/volatile.debian.org_debian-volatile_dists_etch_volatile_non-free_binary-amd64_Packages) - stat (2 No such file or directory)
W: You may want to run apt-get update to correct these problems
E: Some index files failed to download, they have been ignored, or old ones used instead.

Am I doing something wrong? How can I install Mercurial?

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2 Answers 2

You are running Etch which is not one but two versions out of date. Etch has been removed from all the official mirrors. Additionally backports.org has moved to backports.debian.org and volatile has been discontinued.

If you want a recent version of mercurial without having to compile it yourself, I suggest you upgrade from etch to lenny, and then from lenny to squeeze.

Also from what you posted I noticed this "Depends: mercurial-common (= 1.7.5-1)" and that is the version from unstable. What kind of franken-system are you running with both etch and sid mixed?

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I am still sort of learning Linux. My story is long, but in case you care: I'm on a DreamHost VPS. I installed Mercurial using apt-get, but it was a fairly old version without the latest enhancements, so I uninstalled it using apt-get, and tried to install the latest stable version from source. I then got a mysterious error about an incomplete Python install, so I thought I would have more hope tinkering with apt-get. I tried many things but was unable to install Mercurial from source or from apt-get. I think I will try to find a server with a later version of Debian. Thanks for your help. –  Elias Zamaria Feb 23 '11 at 7:41
    
Out of curiosity, where are you seeing "sid"? –  Elias Zamaria Feb 23 '11 at 7:43
    
@mikez302: "sid" is the permanent codename for the "unstable" branch of Debian. I checked packages.debian.org/mercurial and saw that 1.7.5-1 is only available in sid so you must have it in your /etc/apt/sources.list. I mention this because combining the unstable branch with any other branch besides the testing branch (and experimental but that's not technically its own branch) is likely to result in breaking spectacularly. –  Arrowmaster Feb 23 '11 at 8:10
    
I didn't know that. I didn't mention that when I saw those errors, I thought my /etc/apt/sources.list file was out of date, so I tried adding some other servers to it. I guess from now on, I will be more careful with apt-get and ask for help whenever something looks unusual or suspicious. –  Elias Zamaria Feb 23 '11 at 17:50

If you are getting these messages while doing an 'apt-get update' then it means apt is not able to connect or pull from some of the repos in your sources.list.

This could be caused by many things, but the most likely reason is that the repos are under maintenance and are temporarily unavailable.

Might want to try later?

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