Virtual servers are usualy created in several minutes.
Yes, it is possible, but only in the level "testing" and within its limits.Testing of the service to the greater extent (multiple virtual servers, larger capacity and so on) is possible for free under an agreement with a support representative. Advanced testing can not be anonymous, that is, you must have a credit on your account or have the profile filled with valid data including phone number. We will also ask you to provide us with a brief information about your project.
You can choose from prepared images of following distros Debian GNU/Linux CentOS, Ubuntu, Fedora, Gentoo. The list of images is constantly growing. Any user can create an image with needed distribution and initial configuration, which can be then shared with other users or kept private. All available images are here: Virtualmaster Images.
Virtual private server is a method of splitting a physical server's resources . Virtual server shares resources with parallel VPSes. The communication between VPSes and hardware is managed by Hypervizor (XEN).
Backup is provided for virtual servers in level "production". After server creation, you will get e-mail with instructions how to access backup repository. Backup repository is accessible via SFTP protocol.
We use reverse incremental backup scheme of rdiff-backup tool. Backup is performed usually during night between 1am and 7am CET/CEST timezone. Backup target is located on different physical node than your virtual server.
Reverse backup scheme means that you have direct access to files from last backup. If you need to restore some file(s) from older versions, you have to download/mount whole repository and perform restore using rdiff-backup tool, which applies increments automatically. You may also ask support to restore some paths of some date.
Image of virtual server system is just compressed blockdevice with filesystem with preinstalled operation system, ready to be used to create new instance. Our images includes tool called virtualmaster-firstboot, which takes care of automatical setup of hostname, network interface and root paswords / users.
Images prepared by Virtualmaster are minimal and include just basic programs. Your own images may include e.g. complete installation of mail server with spam filter, ready to scale by deploying new instances, or complete web server with your favourite CMS. We set no limits to your imagination when creating an image.
All available images are here: Virtualmaster Images.
After create of virtual server are you, as your new server administrator, responsible for the condition of his system. All maintenance, updating and parameters change are performed by you.
Whenever you want to change your virutal server configuration, you can change parameters in VM server detail screen, just bellow console button.
No, your virtual server is directly connected to the internet without any port limitations.
In other cases, you can try following:
# mount /dev/xvda /mnt # chroot /mnt # passwd # exit # umount /mnt # poweroff
After shutting down the server in rescue mode, you can start it in normal operations mode.
No. Server shutdown can be done by usual tools, such as at tools or cron and a shutdown command.
Server power on is possible by RESTfull API interface, e.g. by cron and curl tools from another unix server.
Servers are physical located in Prague datacenter Master Internet.
Availability is evaluated on monthly basis.
Some providers are using different methods of calculation. E.g. availability 99,9 % when evaluated over last 365 days may mean that 8 hours of continuous downtime in still within guaranteed bounds.
One can measure availability of servvices using network monitoring tools like Nagios. In nagios there is option to show "host availability report" or "service availability report".
This depends on the clients service type and severity of the accident. For testing service, there is no guarantee. Personal level service doesn't include data backup, so we can't guarantee recovering a virtual server from backup if a primary data loss occurs.
We are capable to guarantee server recovery for production service and above. Full recovery of your services might require your cooperation. Time since asking for your cooperation (by email or phone) is not included into the total outage time.
Failure is solved by an authorized Virtualmaster employee who evaluates if the node failure can be fixed or if it's necessary to migrate its virtual servers to a backup node. After the problem is fixed or the servers are migrated, clients (production and above) are asked to check if their virtual servers are fully functional. In case of suspicion of an internal virtual server error, clients will be asked to cooperate while solving the problem.
Connectivity is shared, currently it is 100 Mbps. It is assumed that most of the data traffic of virtual servers goes to Czech Republic. Abnormal data traffic (especially that in transit direction) can be charged with 0.15 USD/GB.
Average data amount for one virtual server per month is around 10 GB, out of which around 1 GB is transit data. Amounts considered as abnormal are more than a double of this average for testing and personal user classes, more than five times average for production user class and more than twenty times average for enterprise clients.
Legal conditions follow the current statutory law. We reserve the right to stop the provided service without prior notice, court order or agreement, in case we hold evidence (or have a reasonable suspicion) about abnormal activity, e.g. sending spam messages, hosting of viruses, malware and spyware, running command&control servers of a botnet, brute force attacks, sharing pornographic material, which contradicts laws of Czech Republic, espionage, phishing and so on.
We also want to inform you, that according to the current statutory law, we are collecting netflow data, which can be provided to Czech police and other statutory organs.
Yes, it is possible. Server restart or a brief downtime (few minutes) might be required.