$sudo apt-get install ntpdate
[sudo] password for user:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
liblockfile1 lockfile-progs
The following NEW packages will be installed:
liblockfile1 lockfile-progs ntpdate
0 upgraded, 3 newly installed, 0 to remove and 291 not upgraded.
Need to get 103kB of archives.
After this operation, 434kB of additional disk space will be used.
Do you want to continue [Y/n]?
Get:1 http://debian.org.ua squeeze/main liblockfile1 1.08-4 [19.8kB]
Get:2 http://debian.org.ua squeeze/main lockfile-progs 0.1.13 [9158B]
Get:3 http://debian.org.ua squeeze/main ntpdate 1:4.2.6+dfsg-1 [73.5kB]
Fetched 103kB in 0s (384kB/s)
Selecting previously deselected package liblockfile1.
(Reading database ... 54404 files and directories currently installed.)
Unpacking liblockfile1 (from .../liblockfile1_1.08-4_i386.deb) ...
Selecting previously deselected package lockfile-progs.
Unpacking lockfile-progs (from .../lockfile-progs_0.1.13_i386.deb) ...
Selecting previously deselected package ntpdate.
Unpacking ntpdate (from .../ntpdate_1%3a4.2.6+dfsg-1_i386.deb) ...
Processing triggers for man-db ...
Setting up liblockfile1 (1.08-4) ...
Setting up lockfile-progs (0.1.13) ...
Setting up ntpdate (1:4.2.6+dfsg-1) ...