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Chapter 4. Preinstallation Tasks
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A file with a name similar to CloudStack-VERSION-NOSVERSION.tar.gz will be downloaded to
your computer.
Section 5.1, “Install the Management Server on the First Host ”
4.1.2. Verifying the Fully-Qualified Host Name
To verify the Fully-Qualified Host Name of the host where you install Management server, do the
following:
1. Log-in to the operating system of the host using the root privileges.
2. Run the following command to verify the fully-qualified host name:
# hostname --fqdn
This must return a fully qualified host name. For example, managament1.lab.example.org. If the
command fail to elicit an appropriate result, you must verify whether the /etc/hosts file contains
the fully-qualified host name.
4.1.3. Setting the Value of SELinux Variable
Security-Enhanced Linux (SELinux), the Linux kernel security module, enables CloudPlatform to
support access control security policies. If you are using RHEL operating system, you must verify
whether SELinux is configured on your operating system. Then, you can set the value of SELinux
variable to "permissive".
1. Log on to the operating system of the host using the root privileges.
2. Check to see whether SELinux is installed on your machine. In RHEL, SELinux is installed and
enabled by default. Run the following command to verify this:
# rpm -qa | grep selinux
3. Using vi editor, edit the /etc/selinux/config file and set the value of the SELINUX variable to
“permissive”. This ensures that the permissive setting will be maintained after a system reboot.
# vi /etc/selinux/config
4. Run the following command to set the value of SELinux to permissive and make it effective
immediately, without requiring a system reboot.
# setenforce 0
4.1.4. Verifying Connectivity
To ensure that the computer where you want to install management server can connect to the
Internet, do the following:
1. Log-in to the operating system of the host using the root privileges.
2. Use the ping command to verify connectivity. For example, you can ping www.citrix.com.