How To Install tenshi on CentOS 8

One-liner Install Command

If you are only interested in the installation command, here is a quick answer for you:

sudo yum makecache && sudo yum -y install tenshi

sudo dnf makecache && sudo dnf -y install tenshi

But if you are interested in the details with step-by-step instructions, the following information will be helpful.

What is tenshi and How to Install It?

First things first, you will need access to a server or computer running CentOS 8. This guide was written specifically with a server running CentOS 8 in mind, although it should also work on older, supported versions of the operating system.

Also, make sure you are running a regular, non-root user with sudo privileges configured on your server. When you have an account available, log in as your non-root user to begin.

There are several ways to install tenshi on CentOS 8. You can use (links are clickable):

In the following sections, we will describe each method in detail. You can choose one of them or refer to the recommended one.

Install tenshi on CentOS 8 using dnf

First, update dnf packages database with dnf by running the next command:

sudo dnf makecache --refresh

After updating database, You can install tenshi using dnf by running the following command:

sudo dnf -y install tenshi

Install tenshi on CentOS 8 using yum

Because tenshi is available in CentOS 8’s default repositories, it is possible to install it from these repositories using the yum packaging system.

To begin, update local packages database with yum using the following command.

sudo yum makecache --refresh

Now can install tenshi package on your server/computer by running the following command:

sudo yum -y install tenshi

How to upgrade (update) a single package tenshi using yum?

To update all the packages available on the system:

yum update

If you want to update a specific package like tenshi in this example you should use the following command:

yum update tenshi

To downgrade a package to an earlier version:

yum downgrade tenshi

How to Upgrade tenshi on CentOS 8 with dnf?

When you run the dnf update, all system packages with available updates are updated. However, if you want to upgrade a single package, then you would have to pass the package name as the argument to the dnf update command.

dnf update tenshi

How To remove tenshi from CentOS 8

To uninstall only the tenshi package you can execute the following command:

sudo dnf remove tenshi

Extra info and code examples

Tenshi is a log monitoring program, designed to watch one or more log files for lines matching user defined regular expressions and report on the matches. The regular expressions are assigned to queues which have an alert interval and a list of mail recipients. Queues can be set to send a notification as soon as there is a log line assigned to it, or to send periodic reports. Additionally, uninteresting fields in the log lines (such as PID numbers) can be masked with the standard regular expression grouping operators ( ). This allows cleaner and more readable reports. All reports are separated by hostname and all messages are condensed when possible. The program reads a configuration file and then forks a daemon for monitoring the specified log files.

Conclusion

You now have a full guide on how to install tenshi using dnf and yum package managers. Also, we showed how to update manually as a single package and different ways to uninstall the tenshi from CentOS 8.

See also: