"Can someone help me understand which are the redundant services and folders which I can remove to save space and resources?"
The first thing to do is to make a list of all of the packages that you have installed:
rpm -qa | sort > /root/package.list.txt
Then you can use a text editor to review /root/package.list.txt and look for applications that you do not need. Suppose that you find a package called recipemaker that you are sure that you can live without. You not only want to remove recipe-maker but also the packages on which recipemaker depends, providing that no other package also needs those dependencies. So you use:
rpm -q --requires recipemaker
to get a list of packages that you could also remove with recipemaker. Some of the dependencies are given as files instead of package names. Suppose that recipemaker depends on a file called /usr/local/teaspoon. Then you can find out what package provides teaspoon with:
rpm -q --whatprovides /usr/local/teaspoon
and put the answer on your list of candidate packages to be removed.
Once you get a list of packages that can be tossed with recipemaker then you start removing packages with:
rpm -e recipemaker
rpm -e somedependentpackage
and so forth. Some or all of the packages may not be removable because they are also used by other packages than recipemaker.
Then select another package from /root/package.list.txt and remove some more packages.
You should read:
man rpm
so that you understand what you are doing.
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Steve Stites
