Information about the package, ucarp, which is shipped with common Linux distributions. The ucarp package is designed for, Common Address Redundancy Protocol (CARP) for Unix.
Package Name:
ucarp
Summary:
Common Address Redundancy Protocol (CARP) for Unix
Description:
UCARP allows a couple of hosts to share common virtual IP addresses in order to provide automatic failover. It is a portable userland implementation of the secure and patent-free Common Address Redundancy Protocol (CARP, OpenBSD's alternative to the patents-bloated VRRP). Strong points of the CARP protocol are: very low overhead, cryptographically signed messages, interoperability between different operating systems and no need for any dedicated extra network link between redundant hosts.
Architecture:
x86_64
Version:
1.5.2
Release:
9.el6
Size:
36 k
Repository:
epel
From Repository:
Licence:
MIT and BSD
Control the ucarp package with the following handy commands outlined below.
yum install ucarp
This command will install ucarp on the server.
yum remove ucarp
This command will un-install ucarp on the server. When you run this command, you will be asked if you are sure that you want to remove ucarp, so you have to manually confirm that you want to do this.
yum -y remove ucarp
This command will un-install ucarp on the server. When you run this command with th e -y flag, you will not be prompted to check that you are sure you want to remove the package - so be sure you absolutely want to remove ucarp when using the -y flag.
yum update ucarp
This command will update ucarp to the latest version. When you run this command, you will be asked if you are sure that you want to remove ucarp, so you have to manually confirm that you want to do this.
yum -y update ucarp
This command will update ucarp to the latest version. When you run this command with the -y flag, you will not be prompted to check that you are sure you want to remove the package - so be sure you absolutely want to remove ucarp when using the -y flag.
yum info ucarp
This command will show you core information about the ucarp package.
yum deplist ucarp
This command will show you the dependencies for ucarp. Thankfully, when using Yum, if dependencies are required, these are also installed at the same time so you don't have to worry too much about that.
yum check-update ucarp
This command will check if there is an update waiting on ucarp. When you run this command this will return nothing if there is nothing to update, or, will return the package name if the package is due to be updated.