Simo Sorce <ssorce@xxxxxxxxxx> writes: > Why do we need fixed uids at all? is it so difficult to use > getpwnam() ?? Most filesystems store only the uid/gid, not the name of a user. >> When my shadow-utils patch gets accepted, shadow-util's '--hint' option >> can be used too. > > I don't see grabbing random areas above 500 to serve any useful > purpose, if they are not fixed, than you can easily just do dynamic > allocation, from the app point of view it is exactly the same. I > really do not understand what you think you fix by creating a range > variable fixed scheme. I create predictable uids; when I install a package which creates user 'foo' on machine A and on machine B, user 'foo' should have the same uid (e.g. because they share filesystem resources). I like it too, to reinstall a system without the need of complicated 'chown -rh' orgies to make huge data partitions from previous installation usable. > Either an application needs a fixed uid/gid for some particular reason > or it just can allocate an uid/gid dynamically. Most daemons are candidates for fixed uid/gid; unfortunately, there is only a small range (0-100) available. 'fedora-usermgmt' *allows* the administrator to use a free range of uids for service users. 'fedora-usermgmt' is completely transparent transparent: either you know about it and use it, or it behaves like a plain 'useradd'.
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