Dan over at Bashing Linux has a good post on what he does to prep his template VMs for use with Puppet. He’s inspired me to share how I prepare my Linux VMs to become a template. He’s got a few steps I don’t have, mainly to prep for Puppet, and I have a few steps he […]
Flashcache is a kernel module released by Facebook engineer back in April 2010 to speed up database I/O on a standard rotational drive with the speed of SSD. Since it works by caching filesystem blocks, so it can speed anything on the slow rotational disk. We’ve already use RAID10 with SAS disk on all of our […]
Introduction Ceph is a distributed object store and file system designed to provide excellent performance, reliability and scalability – See more at: http://ceph.com Ceph’s RADOS Block Device to be used for VM disks. The Ceph storage services are usually hosted on external, dedicated storage nodes. Such storage clusters can sum up to several hundreds of nodes, […]
Flashcache on CloudLinux and CentOS and OpenVZ or SolusVM Major issue on a hosting server which serve hundreds of website is remain the same: I/O bottleneck. My curiosity began when I received a newsletter from a VPS provider in US, they said they have added SSD as filesystem cache to their server fleet. Flashcache is a […]
Add users to vCenter Server Appliance In order to add new users to the vCenter Server Appliance you need to log in to your appliance via SSH and type: useradd -m “username” To set a password to the newly created account, type: passwd “username” To grant user access, log in using vSphere Client, right click the object […]
HOWTO run OmniOS under ESXi 5.1 and install VMware-Tools Required software: VMware vSphere Hypervisor (ESXi) 5.1.0 with free licence Build Number: 799733, Release Date: 10.09.2012 Source: Download vSphere Hypervisor ESXi Here VMware vSphere Client 5.1.0 Build Number: 786111, Release Date: 10.09.2012 Source: Download vSphere Client Here ESXi 5.1 update patch ESXi510-201212001 Build Number:914609, Release Date: 20.12.2012 […]
