Logstash install error: can't get unique system GID (no more available GIDs)
<p>I am trying to install logstash with yum on a red hat vm, I already have the logstash.repo file setup according to the guide and i ran </p>

<p><code>yum install logstash</code></p>

<p>but I get the following error after it downloads everything</p>

<pre><code>...

logstash-2.3.2-1.noarch.rpm                              |  72 MB     00:52     
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
groupadd: Can't get unique system GID (no more available GIDs)
useradd: group 'logstash' does not exist
error: %pre(logstash-1:2.3.2-1.noarch) scriptlet failed, exit status 6
Error in PREIN scriptlet in rpm package 1:logstash-2.3.2-1.noarch
error:   install: %pre scriptlet failed (2), skipping logstash-1:2.3.2-1
  Verifying  : 1:logstash-2.3.2-1.noarch                                    1/1 

Failed:
  logstash.noarch 1:2.3.2-1                                                     

Complete!
</code></pre>

<p>I can't find much information about this. Any suggestions?</p>