vCenter Server Appliance 6.7 as Sub CA with Easy-RSA

Ubuntu 20.04 CA with Easy-RSA Install and setup working environment sudo apt updatesudo apt install easy-rsamkdir ~/easy-rsaln -s /usr/share/easy-rsa/* ~/easy-rsa/chmod 700 ~/easy-rsacd ~/easy-rsacp vars.example vars Edit vars, uncomment this section and provide your settings set_var EASYRSA_REQ_COUNTRY “US” set_var EASYRSA_REQ_PROVINCE “California” set_var EASYRSA_REQ_CITY “San Francisco” set_var EASYRSA_REQ_ORG “Copyleft Certificate Co” set_var EASYRSA_REQ_EMAIL “” set_var EASYRSA_REQ_OU “My […]

ZFS on CentOS 2

There are a couple of options for ZFS on Linux.  The user space option, ZFS-fuse, and the kernel mode option, ZFS on Linux.  Here we will describe installing the kernel mode ZFS on Linux.

Linux Boot Delayed by NTP

This is usually caused by a DNS resolution problem rather than an actual NTP issue.  I power up and shutdown test machines all the time so things are always changing.  If the configured DNS is no longer valid then boot up time can be painfully slow.  In order to speed up the process there are […]

Easy Setup of Active Directory Authentication for Linux

I have painstakingly been through numerous ‘How To’ articles for setting up AD authentication for my Linux servers all of which have never worked perfectly. If you’ve had similar experiences then just forget all those ‘How To’ articles.  Download the open source utility from Likewise that does all the work for you.  It simply works!

Installing Development Tools on CentOS / Red Hat

If you missed installing the Development Tools in the initial install, there is a quick way to load them without installing them individually. yum groupinstall ‘Development Tools’ This will install gcc, make, automake plus otther tools with all their dependencies and libraries.

Quick Zabbix Agent install for CentOS

extract source on host create user zabbix set passwd for zabbix switch user to zabbix run  ./configure –enable-agent switch user to root run make install mkdir /etc/zabbix edit zabbix_agentd.conf and change hostname mv /home/zabbix/zabbix_agentd.conf /etc/zabbix/ mv /home/zabbix/zabbix-agent.init /etc/init.d/zabbix-agent chkconfig –add zabbix-agent chkconfig zabbix-agent on service zabbix-agent start