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The files of the RPM database are placed in /var/lib/rpm. If the partition /usr
has a size of 1 GB, this database can occupy nearly 30 MB, especially after a complete
update. If the database is much larger than expected, it is useful to rebuild the database
with the option --rebuilddb. Before doing this, make a backup of the old database.
The cron script cron.daily makes daily copies of the database (packed with gzip)
and stores them in /var/adm/backup/rpmdb. The number of copies is controlled
by the variable MAX_RPMDB_BACKUPS (default: 5) in /etc/sysconfig/backup.
The size of a single backup is approximately 1 MB for 1 GB in /usr.
15.6 Installing and Compiling Source
Packages
All source packages carry a .src.rpm extension (source RPM).
TIP
Source packages can be copied from the installation medium to the hard disk
and unpacked with YaST. They are not, however, marked as installed ([i]) in
the package manager. This is because the source packages are not entered in
the RPM database. Only installed operating system software is listed in the RPM
database. When you "install" a source package, only the source code is added
to the system.
The following directories must be available for rpm and rpmbuild in /usr/src/
packages (unless you specified custom settings in a file like /etc/rpmrc):
SOURCES
for the original sources (.tar.bz2 or .tar.gz files, etc.) and for distribution-
specific adjustments (mostly .diff or .patch files)
SPECS
for the .spec files, similar to a meta Makefile, which control the build process
BUILD
all the sources are unpacked, patched, and compiled in this directory
RPM—the Package Manager
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Troubleshooting
