Download build agent archive from your TeamCity server:
wget http://your_teamcity.server.com:8111/update/buildAgent.zip
Unzip it in separate directory:
mkdir buildAgent
^
mv buildAgent.zip buildAgent
^
cd buildAgent
^
unzip buildAgent.zip
^
chown -R your_user:your_group ../buildAgent
Copy agent's settings file:
cp conf/buildAgent.dist.properties conf/buildAgent.properties
Edit this file:
nano conf/buildAgent.properties
There are fields which you must update:
# your TeamCity server address:
...