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CentOS System Administration Essentials by Andrew Mallett

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Installing 389-ds

In the following sections, we will see the steps involved in installing 389-ds.

Configuring DNS or hostname records

When installing OpenLDAP or 389-DS, it is imperative that you can resolve the hostname of the system on which you install the directory. My system is named ldap1.tup.com, and I have a local DNS record for this but it can also be maintained by an entry in the local /etc/hosts file on the host system. I can verify the name is correct by using the host command or something similar:

$ host ldap1.tup.com

You should see the IP address being returned. You can see the result of this command when executed on my system in the following screenshot:

Setting TCP keepalives

The default timeout of TCP connections is 120 minutes. We ...

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