Glossary (VDSmanager)

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Disk quota

Disk quota is available hard disk space allocated to a login name (UID) or group (GID). When exceeding the limit, the file system returns an error.


IP address is a unique 4-byte identifier determining a network node, such as server, a workstation or router, that usese the Internet Protocol for communication between its nodes. A package is transmitted through the network and routed when necessary according to its destination IP-address. The IP-address determines location of a host in the network. In practice, it is not very convenient to use IP-addresses, it is easier to work with domain names.


License is a unique set ща information that allows to use the control panel for a certain period on a certain IP-address.


A series of characters that enables someone to access a file, computer, program, shell, FTP, email, MySQL, FrontPage, etc. A control panel password is used to prevent unauthorized users from changing your information. The password must contain a combination of characters difficult to guess.


Reseller is a control panel's user who does not have an operating system account and who can manage the virtual private servers associated with his account.

Server administrator

Server administrator (root) is a system super user who is granted full access to all his server files and functions. On a Unix server the administrator's UID is "0". Since 'root' has full access to the system, any error made by the root can cause fatal consequence. You can use the command su to obtain temporary root privileges. Please note, that the administrator's password is transferred as a plain text, the protocol (telnet, FTP or POP3) are very insecure. Use SSH to log into shell.


Traffic is the amount of information that goes through the server per a certain period. Traffic can be incoming (outside information, such as HTTP-requests, uploaded files, incoming e-mail) and outgoing (information transferred by the server outside, such as web-pages viewed by the site visitors, downloaded files, outgoing email).


User (account in the operating system) is a set of parameters, such as login name, password, UID, GID (user's group identifier), home directory, shell and other parameters, depending on the operating system type. Administrator can locate usernames in various programs log files and manage user's parameters, such as forbid them to access certain files, limit disk quota, restrict usage of CPU and RAM.


Username (login) is a unique identifier of a user account in the Unix operating system. This name is used to enter shell or use such services, as [FTP and e-mail.

VDSmanager administrator

VDSmanager administrator is a control panel's user who does not have an account in the operating system,and who is allowed to access all the virtual private servers and manage IP-addresses and disk templates.

Virtual private server

Virtual Private Server (VPS) is a full-fledged Unix system. Each VPS has one or multiple IP-addresses that are not shared with other servers. You can set limits on server system resources, such as memory or CPU time. System resources are distributed among virtual private servers on one physical server. Thus, distribution of system resources guarantees VPS operation regardless of their functioning and usage of resources by each of them.

Virtual private server administrator

Virtual private server administrator is a virtual private server superuser who has full access to the system, except its hardware. The virtual private server administrator may compile and install any software on his VPS and manage sites, users, domain names and other server settings

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