Sometimes making a dump and restore in clonezilla is not enough. At boot time Windows will load system drivers buy if you have changed your storage windows won’t turn on. In these cases i follow this procedure: 1- Load virtual machine with Windows2012R2 DVD and in recovery go to recovery console 2.- Insert storage controller […]
I try to maintain my systems updated, It generates problems but unmaintained machines have the incredible ability to create bigger problems. At Calidade Systems for internal infrastructure we choose Ovirt, It’s really easy to add hardware, storage and every month has new improvements, obviously it not a perfect solution, but the perfect virtualization environment does […]
Nowadays virtualization is a must but sometimes we found virtual machines runing in several plataforms. Having all your virtual machines in one platform helps you to centralize all the administration and reduces maintenance time cost. In this case we have a Centos 7 pet virtual machine and we need to migrate from VirtualBox 6 to […]
Proxmox is a good solution for small bussines, you will get an hypervisor with scheduled backups. In some costumers we found problems receiving backup notifications, because isp network is blacklisted, proxmox server domain name is not well configured, trafict through port 25 is filtered and hundreds of small problems In this cases the faster solution […]
Generally Small and Medium Business doesn’t have a own mail server in office. If we want to receive notifications we can configure Xenserver to use an existing email account to relay messages. #1 Open a ssh session in desired Xenserver install #2 Edit your ssmtp file #3 Your ssmtp.conf file should have these values #4 […]
Proxmox is a good solution for single servers infrastructure, you can use a single server where you can house all customer virtual machines. Recently one customer talked us about small problems with a legacy software, He has problems storing data, we make a check and index rebuilt in his database and everything start to work […]
