Some useful UNIX shell commands for VMware admins

These are the esxi host log files one needs to be quite familiar with. These logs should be checked depending on the issue you facing, and trying to troubleshoot. /var/log/auth.log: ESXi Shell authentication success and failure. /var/log/lacp.log: Link Aggregation Control Protocol logs. /var/log/hostd.log: Host management service logs, including virtual machine…

Read More

Error while upgrading from VMware vCenter 5.1 to vCenter 6.0

  I have not seen any special feature improvements in 5.5 over 5.1 that would have benefited our environment, and as with any other major new releases  was patiently waiting for VMware to come out with Update 1 for vSphere 6. Originally I had the SSO, VMware Update Manager, and vCenter each running…

Read More

Working with OpenDJ Server configs

This post provides examples of dsconfig usage for OpenDJ config management. I might expand and update the post in the future, as i find more info. All the logs audit trails will be saved as long as you use OpenDJ supplied tools for modifying the DJ configs: Tools are: OpenDJ…

Read More

Install Java JRE on CentOS7 and set JAVA_HOME

Lets find Java packages for CentOS 7 [root@localhost etc]#yum search java|more<– this will find all java packages /snip java-1.7.0-openjdk.x86_64 : OpenJDK Runtime Environment <—- JRE java-1.7.0-openjdk-accessibility.x86_64 : OpenJDK accessibility connector java-1.7.0-openjdk-demo.x86_64 : OpenJDK Demos java-1.7.0-openjdk-devel.x86_64 : OpenJDK Development Environment <— JDK java-1.7.0-openjdk-headless.x86_64 : The OpenJDK runtime environment without : audio…

Read More

Enable networking on CentOS 7 minimal distro

Ifconfig is not included in the minimal install of the CentOS7, and needs to be installed manually. We need to add an IP address to our system via “ip” command, before we can install the net-tools or anything else from repos. Find network cards attached and their associated names: “ip…

Read More

Lab1:Server for nested ESXi Host

Currently using a Dell C1100 (cs24-TY) with 2x quad core L5520 CPUs and 72 GB of RAM. Ebay has them plenty for anywhere from $500-$699 with out HDDs, trays included. Unfortunately this server does not come with a RAID controller, and is quite loud when running under a load. This particular…

Read More