Install unison¶

Requirements¶

To install unison you will need the following:

• a installed and supported operating system (e.g. CentOS 7.x)
• root-access
• EPEL
• access to [[http://www.seas.upenn.edu]]
• a fast internet connection

Preliminary note¶

most of this is taken from

• [[https://www.digitalocean.com/community/questions/install-unison-in-centos-7]]
  you may consult the official homepage
• [[http://www.cis.upenn.edu/~bcpierce/unison]]

Install¶

As of 2017-01-13 unison 2.40 is in EPEL

yum install unison240

As of 2015-01-12 unison isn't listed in any CentOS-7 repository we build it from source

yum install ocaml ocaml-camlp4-devel ctags ctags-etags

cd ~
wget http://www.seas.upenn.edu/~bcpierce/unison//download/releases/stable/unison-2.48.3.tar.gz
tar xvfz unison-2.48.3.tar.gz
cd unison-2.48.3
make

sudo cp -v unison /usr/bin

cd ~
rm -fr unison*

4 Usage¶

Basic usage:

unison /mnt/dat /media/ext_HDD

if there is some Microsoft-Filesystem involved you maybe won't sync the file-permissions

unison /mnt/dat /media/ext_HDD -perms 0