Dell Wyse Enhanced Ubuntu Linux T50 Manual de usuario Pagina 24

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Chapter 3. Installation
3.5.3. Update Configuration Files
When upgrading ThinLinc, the package installation process handles configuration files that have been
changed by taking backups of existing configuration. The installation program will prompt the user to
adjust them before running tl-setup. See below for instructions on how to handle the configuration files
on different types of systems.
3.5.3.1. RPM-based Linux systems
Look for files with filenames ending in .rpmsave, .rpmorig in /opt/thinlinc/etc and below.
These are copies of the files as they were before the upgrade. Review the differences between the old and
the new files, and add relevant statements from the old files to the new files, then remove or move away
the .rpmsave and/or .rpmorig files.
3.5.3.2. DPKG-based Linux systems
Look for files with filenames ending in .dpkg-old in /opt/thinlinc/etc and below. These are
copies of the files as they were before the upgrade. Review the differences between the old and the new
files, and add relevant statements from the old files to the new files, then remove or move away the
.dpkg-old files.
3.5.3.3. Solaris
All configuration files that were present in the old version which you are upgrading from will be saved as
<filename>.pkgsave. Transfer relevant statements from these files to the new configuration files
installed by pkgadd.
3.5.4. Run tl-setup
After installation of the packages and modification of the configuration files as described above, run
/opt/thinlinc/sbin/tl-setup to verify that the system is correctly configured.
3.6. SELinux enabled distributions
ThinLinc is designed to run with reference SELinux policy and users in the unconfined context. It is
possible to use ThinLinc with other policies and more restricted contexts, but will most likely require
modifications to your policy to accommodate ThinLinc.
The local system policy will optionally be modified by tl-setup during installation. The SELinux module
and other policy changes performed can be examined in /opt/thinlinc/share/selinux. Execute
the command /opt/thinlinc/share/selinux/install to reapply ThinLinc’s policy changes.
Note: The ThinLinc policy module is distributed in source form and therefore requires the reference
policy build environment. On Red Hat based systems this is always installed, but other systems
might require extra packages.
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