Technical Notes

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How to unpack RAR files on AWS-hosted Ubuntu servers

Posted by Anton Khitrenovich on December 10, 2013

It appears that regular unrar package is not available by default via apt-get on AWS Ubuntu servers. If you still need to unpack RAR files and prefer to install packages from default APT repositories only, the right package to install is unrar-free. It will do the job for you in most of the cases.

ubuntu@ip-10-0-0-38:/work/$ sudo apt-get install unrar-free
Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
pike7.8 pike7.6 pike
The following NEW packages will be installed:
0 upgraded, 1 newly installed, 0 to remove and 43 not upgraded.
Need to get 24.8 kB of archives.
After this operation, 101 kB of additional disk space will be used.
Get:1 saucy/universe unrar-free amd64 1:0.0.1+cvs20071127-2 [24.8 kB]
Fetched 24.8 kB in 4s (6,201 B/s)
Selecting previously unselected package unrar-free.
(Reading database ... 67423 files and directories currently installed.)
Unpacking unrar-free (from .../unrar-free_1%3a0.0.1+cvs20071127-2_amd64.deb) ...
Processing triggers for man-db ...
Setting up unrar-free (1:0.0.1+cvs20071127-2) ...
update-alternatives: using /usr/bin/unrar-free to provide /usr/bin/unrar (unrar) in auto mode

Unfortunately, sometimes unrar-free is not enough – for example, when you have to unpack multipart archives. In this case you’ll have no choice but to obtain the original RAR for Linux software by enabling Multiverse repository. Alternatively, you can download the trial version directly from the official RARLAB site.

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