Introduction
In this tutorial we learn how to install charliecloud on CentOS 8.
What is charliecloud
Charliecloud uses Linux user namespaces to run containers with no privileged operations or daemons and minimal configuration changes on center resources. This simple approach avoids most security risks while maintaining access to the performance and functionality already on offer. Container images can be built using Docker or anything else that can generate a standard Linux filesystem tree. For more information
We can use yum or dnf to install charliecloud on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install charliecloud.
Install charliecloud 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 charliecloud using dnf by running the following command:
sudo dnf -y install charliecloud
Install charliecloud 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 charliecloud using yum by running the following command:
sudo yum -y install charliecloud
How To Uninstall charliecloud on CentOS 8
To uninstall only the charliecloud package we can use the following command:
sudo dnf remove charliecloud
charliecloud Package Contents on CentOS 8
/usr/bin/ch-build
/usr/bin/ch-build2dir
/usr/bin/ch-builder2squash
/usr/bin/ch-builder2tar
/usr/bin/ch-checkns
/usr/bin/ch-dir2squash
/usr/bin/ch-fromhost
/usr/bin/ch-grow
/usr/bin/ch-image
/usr/bin/ch-mount
/usr/bin/ch-pull2dir
/usr/bin/ch-pull2tar
/usr/bin/ch-run
/usr/bin/ch-run-oci
/usr/bin/ch-ssh
/usr/bin/ch-tar2dir
/usr/bin/ch-umount
/usr/lib/.build-id
/usr/lib/.build-id/0d
/usr/lib/.build-id/0d/2ff5032cda9da6acf8e6538e599e2a655a67e6
/usr/lib/.build-id/81
/usr/lib/.build-id/81/25a42a189ee641460b9c76fc5bfb275266821d
/usr/lib/.build-id/81/25a42a189ee641460b9c76fc5bfb275266821d.1
/usr/lib/.build-id/81/25a42a189ee641460b9c76fc5bfb275266821d.2
/usr/lib/.build-id/81/25a42a189ee641460b9c76fc5bfb275266821d.3
/usr/lib/.build-id/a8
/usr/lib/.build-id/a8/264c98ad8aa9c8ff2856b6d101e64ee35f2c58
/usr/lib/.build-id/a9
/usr/lib/.build-id/a9/6cfa037310f0a9c2cfa651a8be87f7e2dbf1d5
/usr/lib/.build-id/a9/6cfa037310f0a9c2cfa651a8be87f7e2dbf1d5.1
/usr/lib/.build-id/f1
/usr/lib/.build-id/f1/896455fbc147a161775e6b3493900903375b5e
/usr/lib64/charliecloud/base.sh
/usr/lib64/charliecloud/build.py
/usr/lib64/charliecloud/charliecloud.py
/usr/lib64/charliecloud/contributors.bash
/usr/lib64/charliecloud/fakeroot.py
/usr/lib64/charliecloud/misc.py
/usr/lib64/charliecloud/version.py
/usr/lib64/charliecloud/version.sh
/usr/lib64/charliecloud/version.txt
/usr/share/doc/charliecloud
/usr/share/doc/charliecloud/README.rst
/usr/share/licenses/charliecloud
/usr/share/licenses/charliecloud/LICENSE
/usr/share/man/man1/ch-build.1.gz
/usr/share/man/man1/ch-build2dir.1.gz
/usr/share/man/man1/ch-builder2squash.1.gz
/usr/share/man/man1/ch-builder2tar.1.gz
/usr/share/man/man1/ch-checkns.1.gz
/usr/share/man/man1/ch-dir2squash.1.gz
/usr/share/man/man1/ch-fromhost.1.gz
/usr/share/man/man1/ch-grow.1.gz
/usr/share/man/man1/ch-image.1.gz
/usr/share/man/man1/ch-mount.1.gz
/usr/share/man/man1/ch-pull2dir.1.gz
/usr/share/man/man1/ch-pull2tar.1.gz
/usr/share/man/man1/ch-run-oci.1.gz
/usr/share/man/man1/ch-run.1.gz
/usr/share/man/man1/ch-ssh.1.gz
/usr/share/man/man1/ch-tar2dir.1.gz
/usr/share/man/man1/ch-test.1.gz
/usr/share/man/man1/ch-umount.1.gz
References
Summary
In this tutorial we learn how to install charliecloud on CentOS 8 using yum and dnf.
