The next time you start a new session to start working, you’ll have to setup the ATLAS software environment again:
Then navigate to the directory where you originally set up your release
.asetup.save exists) and set up the same analysis release:
cd <release setup directory> asetup --restore
The script will automatically setup the same release as you previously
defined in that directory. The
--restore option restores the previous setup.
See this page
for more information. Note that if you use a locally compiled
release, you should use the instructions from that
build directory will be introduced later, but you will also need to
source x86_64*/setup.sh from your
build directory on every login.