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How can I switch from one ACS release to another?
You can switch the ACS release by using the acsChangeEnv script. Here is an example on how to change the version from ACS 2.1 to ACS-3.0:
> acsChangeEnv ALMASW_RELEASE=ACS-3.0
The script will open a new xterm with the new environment already changed and ready to be used. On the other side, the environment from which acsChangeEnv was launched will not change until the next log out - log in.
As described above, when you install a new official version of ACS, the installation procedure allows you to keep in parallel also an already installed previous release
This can be useful in a transition phase, while porting from the older to the newest version.
The simplest way to switch between different versions of ACS is to load the appropriate
.acs/.bash_profile.acs
fileThis is normally done at login time from the user's $HOME/.bash_profile
Here some nbotes:
.bash_profile.acs
file for each release can be found in $ACSROOT/config/.acs/.bash_profile.acs
.bash_profile.acs
is generally backward compatible for patches of the same release (major and minor number), but no backward compatibility is warrantied across releases, therefore:.acs
directory and select between them from the main $HOME/.bash_profile
. For example you can use a switch like the following:if [ "$myHOST" = "te22" -o "$myHOST" = "te1" ] then echo "Sourcing ACS 4.1 .acs/.bash_profile.acs" source $HOME/.acs/.bash_profile.acs.4.1 elif [ "$myHOST" = "teXX-some3.1" ] then echo "Sourcing ACS 3.1 .acs/.bash_profile.acs" source $HOME/.acs/.bash_profile.acs.3.1 elif [ "$myHOST" = "te98" ] then echo "Sourcing ACS 4.0 .acs/.bash_profile.acs.te98" source $HOME/.acs/.bash_profile.acs.te98 else echo "Sourcing default .acs/.bash_profile.acs (4.0)" source $HOME/.acs/.bash_profile.acs fi
ACSROOT
ACSDATA
$ACSROOT/config/.acs/.bash_profile.acs
for more details and beware of the usage of the -r command line option described there.