How To Install tcping on CentOS 7
Introduction
In this tutorial we learn how to install tcping
on CentOS 7.
What is tcping
tcping does a TCP connect to the given ip/port combination. The user can specify a timeout in seconds. This is useful in shell scripts running in firewalled environments. Often SYNs are just being dropped by firewalls, thus connection establishment will be retried several times (for minutes) until a TCP timeout is reached. With tcping it is possible to check first if the desired port is reachable and then start connection establishment.
We can use yum
or dnf
to install tcping
on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install tcping.
Install tcping on CentOS 7 Using yum
Update yum database with yum
using the following command.
After updating yum database, We can install tcping
using yum
by running the following command:
Install tcping on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf
using the following command.
After updating yum database, We can install tcping
using dnf
by running the following command:
How To Uninstall tcping on CentOS 7
To uninstall only the tcping
package we can use the following command:
References
Summary
In this tutorial we learn how to install tcping
on CentOS 7 using yum
and dnf
.