How To Install mcstrans on CentOS 8
Introduction
In this tutorial we learn how to install mcstrans on CentOS 8.
What is mcstrans
Security-enhanced Linux is a feature of the Linux\xae kernel and a number of utilities with enhanced security functionality designed to add mandatory access controls to Linux. The Security-enhanced Linux kernel contains new architectural components originally developed to improve the security of the Flask operating system. These architectural components provide general support for the enforcement of many kinds of mandatory access control policies, including those based on the concepts of Type Enforcement\xae, Role-based Access Control, and Multi-level Security. mcstrans provides an translation daemon to translate SELinux categories from internal representations to user defined representation.
We can use yum or dnf to install mcstrans on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install mcstrans.
Install mcstrans on CentOS 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install mcstrans using dnf by running the following command:
sudo dnf -y install mcstrans
Install mcstrans on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install mcstrans using yum by running the following command:
sudo yum -y install mcstrans
How To Uninstall mcstrans on CentOS 8
To uninstall only the mcstrans package we can use the following command:
sudo dnf remove mcstrans
mcstrans Package Contents on CentOS 8
/etc/selinux/mls/setrans.d
/usr/lib/.build-id
/usr/lib/.build-id/63
/usr/lib/.build-id/63/fbf3af3dd0aca664c2071852e5c612c0072be6
/usr/lib/systemd/system/mcstrans.service
/usr/lib/systemd/system/mcstransd.service
/usr/sbin/mcstransd
/usr/share/man/man8/mcs.8.gz
/usr/share/man/man8/mcstransd.8.gz
/usr/share/man/man8/secolor.conf.8.gz
/usr/share/man/man8/setrans.conf.8.gz
/usr/share/man/ru/man8/mcs.8.gz
/usr/share/man/ru/man8/mcstransd.8.gz
/usr/share/man/ru/man8/setrans.conf.8.gz
/usr/share/mcstrans
/usr/share/mcstrans/examples
/usr/share/mcstrans/examples/default
/usr/share/mcstrans/examples/default/README
/usr/share/mcstrans/examples/default/default.test
/usr/share/mcstrans/examples/default/setrans.conf
/usr/share/mcstrans/examples/include
/usr/share/mcstrans/examples/include/README
/usr/share/mcstrans/examples/include/default.test
/usr/share/mcstrans/examples/include/setrans.conf
/usr/share/mcstrans/examples/include/setrans.d
/usr/share/mcstrans/examples/include/setrans.d/include-example
/usr/share/mcstrans/examples/nato
/usr/share/mcstrans/examples/nato/README
/usr/share/mcstrans/examples/nato/nato.test
/usr/share/mcstrans/examples/nato/setrans.conf
/usr/share/mcstrans/examples/nato/setrans.d
/usr/share/mcstrans/examples/nato/setrans.d/constraints.conf
/usr/share/mcstrans/examples/nato/setrans.d/eyes-only.conf
/usr/share/mcstrans/examples/nato/setrans.d/rel.conf
/usr/share/mcstrans/examples/non-mls-color
/usr/share/mcstrans/examples/non-mls-color/README
/usr/share/mcstrans/examples/non-mls-color/non-mls.color
/usr/share/mcstrans/examples/non-mls-color/secolor.conf
/usr/share/mcstrans/examples/pipes
/usr/share/mcstrans/examples/pipes/pipes.test
/usr/share/mcstrans/examples/pipes/setrans.conf
/usr/share/mcstrans/examples/pipes/setrans.d
/usr/share/mcstrans/examples/pipes/setrans.d/pipes.conf
/usr/share/mcstrans/examples/urcsts
/usr/share/mcstrans/examples/urcsts-via-include
/usr/share/mcstrans/examples/urcsts-via-include/README
/usr/share/mcstrans/examples/urcsts-via-include/secolor.conf
/usr/share/mcstrans/examples/urcsts-via-include/setrans.conf
/usr/share/mcstrans/examples/urcsts-via-include/setrans.d
/usr/share/mcstrans/examples/urcsts-via-include/setrans.d/c.conf
/usr/share/mcstrans/examples/urcsts-via-include/setrans.d/r.conf
/usr/share/mcstrans/examples/urcsts-via-include/setrans.d/s.conf
/usr/share/mcstrans/examples/urcsts-via-include/setrans.d/system.conf
/usr/share/mcstrans/examples/urcsts-via-include/setrans.d/ts.conf
/usr/share/mcstrans/examples/urcsts-via-include/setrans.d/u.conf
/usr/share/mcstrans/examples/urcsts-via-include/urcsts.color
/usr/share/mcstrans/examples/urcsts-via-include/urcsts.test
/usr/share/mcstrans/examples/urcsts/README
/usr/share/mcstrans/examples/urcsts/secolor.conf
/usr/share/mcstrans/examples/urcsts/setrans.conf
/usr/share/mcstrans/examples/urcsts/urcsts.color
/usr/share/mcstrans/examples/urcsts/urcsts.test
/usr/share/mcstrans/util
/usr/share/mcstrans/util/mlscolor-test
/usr/share/mcstrans/util/mlstrans-test
/usr/share/mcstrans/util/try-all
References
Summary
In this tutorial we learn how to install mcstrans on CentOS 8 using yum and dnf.