RHEL, CentOS and Oracle Linux 7 tips 1

RHEL, CentOS and Oracle Linux 7 tips
Here are some miscellaneous tips for RHEL, CentOS and Oracle Linux 7 systems I have found useful. This post is a work in-progress, I will update it every now and then as I come up with more tips. Systemd basic usage Systemd has replaced legacy initd and init scripts, systemd services are managed with systemctl. Start ...

Oracle Linux 7 released

Oracle Linux 7 released
Oracle Linux 7 is GA as of today, installation medias are available for download free of charge at Oracle Software Delivery Cloud. Oracle Linux 7 is based on Red Hat Enterprise Linux 7 (RHEL), but unlike RHEL, Oracle Linux is supported by free OS updates from Oracle. Techical support and additional features such as Ksplice and ...

Fix for Google Chrome and Cisco UCS CIMC remote console Web Start bug

Fix for Google Chrome and Cisco UCS CIMC remote console Web Start bug
Cisco UCS CIMC remote console access (KVM) has annoying issue with Google Chrome browser, instead of launching Java Web Start to launch console application Google Chrome will just download Web Start link as file with malformed extension. Fortunately there is an very easy fix for this, in Google Chrome Web Store is an extension “Fix ...

Memory page combining in Windows 8/2012 2

Memory page combining in Windows 8/2012
One of the new features introduced in Windows kernel for Windows 8 and Server 2012 was memory page combining which allows more efficient use of available RAM resources on small systems. Windows 8 memory page combining is pretty much identical to Transparent Page Sharing feature available in VMkernel of VMware ESXi. There is very little ...

Hot-fix released for vCenter Orchestrator 5.5.1 workflow scheduling bug 1

If you have used workflow scheduling in VMware vCenter Orchestrator 5.5.1 and you have a workflow which is scheduled to run repeatedly you may have noticed that after a while this scheduled workflow stops executing. This is a known bug in vCO 5.5.1 and VMware has recently released a hot-fix for this in KB article 2083003. Update ...

How-to use Nginx as gateway service for VMware Horizon Workspace

How-to use Nginx as gateway service for VMware Horizon Workspace
For external users to be able to access VMware Horizon Workspace portal you need use either a load balancer appliance or reverse proxy software running on some standard OS. Many enterprises do have load balancer appliances available for use but in case if you don’t there is a very good open source software available to ...

vSphere 5.1 Update 1 released

VMware has released vSphere 5.1 Update today. This update brings tons of fixes and enhancements to vSphere 5.1 product family, including new release of vCloud Director. Updated products with links to their release notes are below. VMware ESXi 5.1.0 U1 VMware vCenter Server 5.1.0 U1 VMware vSphere Data Protection 5.1.10 VMware vSphere Replication 5.1.1 vSphere ...

Removing vDS VXLAN virtual wires using vCenter Orchestrator

Removing vDS VXLAN virtual wires using vCenter Orchestrator
In my previous article I wrote about provisioning vNetwork Distributed Switch backed VXLAN virtual wires using vCenter Orchestrator (vCO) and vCloud Network and Security (vCNS) REST API. In this article I will show you how to remove them using vCO. I will not go into details of creating REST workflow elements in this article, see ...
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