sudo apt-get install mercurial
[sudo] password for lander:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
mercurial-common
Suggested packages:
qct kdiff3 tkdiff meld xxdiff python-mysqldb python-pygments
The following NEW packages will be installed:
mercurial mercurial-common
0 upgraded, 2 newly installed, 0 to remove and 20 not upgraded.
Need to get 1,130kB of archives.
After this operation, 4,874kB of additional disk space will be used.
Do you want to continue [Y/n]? y
WARNING: The following packages cannot be authenticated!
mercurial-common mercurial
Authentication warning overridden.
Get:1 http://archive.ubuntu.com karmic/universe mercurial-common 1.3.1-1 [1,073kB]
Get:2 http://archive.ubuntu.com karmic/universe mercurial 1.3.1-1 [56.4kB]
Fetched 1,130kB in 8s (135kB/s)
Selecting previously deselected package mercurial-common.
(Reading database ... 114065 files and directories currently installed.)
Unpacking mercurial-common (from .../mercurial-common_1.3.1-1_all.deb) ...
Selecting previously deselected package mercurial.
Unpacking mercurial (from .../mercurial_1.3.1-1_amd64.deb) ...
Processing triggers for man-db ...
Setting up mercurial-common (1.3.1-1) ...
Setting up mercurial (1.3.1-1) ...
Creating config file /etc/mercurial/hgrc.d/hgext.rc with new version
Processing triggers for python-support ...