Category: Linux

Remove Old eth0 or eth1 from CentOS Linux

Remove Old eth0 or eth1 from CentOS Linux Remove Old eth0 or eth1 from CentOS Linux In this scenario, we have a backup server, that has a BOND interface. One…

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Dynamic DNS (DDNS) Slave CentOS 6

Dynamic DNS (DDNS) Slave CentOS 6 Dynamic DNS (DDNS) Slave CentOS 6 This blog assumes you went through the previous blog on how to setup a Dynamic DNS Master server,…

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nsupdate cheat sheet

nsupdate cheat sheet nsupdate cheat sheet Basic Syntax: 1.) nsupdate -vv -k /etc/rndc.key {file} (must put ‘send’ at end of file) 2.) nsupdate -vv -k /etc/rndc.key > update whatever >…

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Untangle 9.3 Backup Script

Untangle 9.3 Backup Script Untangle 9.3 Backup Script for those of you that use the Backup script to an FTP Server, you will notice that operation breaks when you upgrade…

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Install Cacti RHEL/CentOS/Oracle/Alma/Rocky

Install Cacti RHEL/CentOS/Oracle/Alma/Rocky Install Cacti CentOS 6 Cacti is an Open Source Monitoring/Graphing Solution for Small to Enterprise Class networks.  Cacti Allows you to Monitor Ping Response, Internet Usage, Internal…

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Configure Cacti OpenLDAP authentication

Configure Cacti OpenLDAP authentication Configure Cacti OpenLDAP authentication After a few days of work, i was able to get Cacti to Authenticate to a CentOS 6 server running OpenLDAP. Here’s…

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Add a Disk to LVM and Expand Space

Add a Disk to LVM and Expand Space Add a Disk to LVM and Expand Space CentOS Classic Scenario: root volume group is running out of space. What do we…

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Un-Install Zimbra Community CentOS 6

Un-Install Zimbra Community CentOS 6 Un-Install Zimbra Community CentOS 6 This blog walks you through the un-installation of Zimbra on CentOS 6, if for whatever reason a step was missed,…

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