Knowledgebase - Keyfinanz GmbH

500 Internal Server Error A 500 Internal Server Error means the server ran into an unexpected condition and could not...

Binding IP addresses to MAC addresses IP addresses on our network are bound to the MAC address of the server's network interface. This...

Can I use my own ISO image to install an operating system? Yes. On a virtual server you can install an operating system from your own ISO image. How it...

Checking and managing an LSI MegaRAID hardware RAID array Hardware RAID arrays on LSI/Broadcom MegaRAID controllers are managed from a command-line tool....

Configuring backups in VestaCP VestaCP includes a dedicated Backup section where backups are created, downloaded and restored....

Connecting Backup Stor as a network drive in Windows Backup Stor can be mapped as a network drive in Windows, so that it appears in File Explorer as...

Connecting to Backup Stor over SFTP, FTP/FTPS and SMB/CIFS Backup Stor can be reached over SFTP, FTP/FTPS and SMB/CIFS. The host in every case is...

Copying files with rsync rsync copies files to another server or to storage, preserving ownership and permissions, and...

General VestaCP configuration A few settings are worth reviewing right after installing VestaCP. Adding an IP address Only one...

How do I get access to the server console? The console gives you the server's screen and keyboard independently of the network and the...

How long does DNS propagation take? DNS changes do not take effect everywhere at once. After you add, edit or remove a DNS record —...

How to Scan Your Server for Viruses Applies to: Debian, Ubuntu, CentOS, and other Linux distributions. Task Install antivirus...

How to Set Sayob Nameservers for Your Domain How to Set Sayob Nameservers for Your Domain To use Sayob DNS management, update the...

How to Take a Screenshot in Windows A screenshot is an image that captures the content currently displayed on your screen. You may be...

How to add an additional IP address on Linux This guide explains how to add an additional IP address to a network interface on a Linux server....

How to add or edit MX records An MX (Mail Exchange) record is the DNS record that tells other mail servers which server...

How to change your Backup Stor password The password for your Backup Stor storage is separate from your client area password. Changing it...

How to check disk health using S.M.A.R.T. S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) is built into most hard drives...

How to configure IPv6 IPv6 is the successor to IPv4, using 128-bit addresses instead of 32-bit ones. It exists because...

How to configure a PTR (reverse DNS) record for your server A PTR record, also known as a reverse DNS (rDNS) record, maps your server's IP address back to a...

How to connect to Backup Stor from Linux Backup Stor can be reached from Linux over SFTP, FTPS and SMB/CIFS. The host is backup.sayob.com...

How to connect to a Windows server via RDP Remote Desktop Protocol (RDP) gives you access to a Windows server through its graphical desktop....

How to connect to a server via SSH SSH (Secure Shell) is an encrypted network protocol used to access and manage a remote server...

How to connect to an Ubuntu server via RDP RDP gives you a graphical desktop rather than a command line. Ubuntu servers are normally...

How to copy files over SSH For anything larger than a few files, copying over SSH is more reliable than uploading through a...

How to enable the pdo_mysql PHP extension pdo_mysql is the PHP extension most content management systems and frameworks use to talk to...

How to extend an LVM file system When the disk of a virtual server is enlarged, the operating system does not use the extra space...

How to point a domain to your server To make a domain open your website, the domain has to point at your server's IP address. There...

How to remove your IP address from the Spamhaus blocklist If your server's IP address is listed on Spamhaus or another DNS-based blocklist, mail sent from...

How to repair MySQL databases and tables MySQL and MariaDB include several tools for checking and repairing tables. Work through the steps...

Installing VestaCP VestaCP is installed with a script provided by the developers: you download it from the official...

Installing a newer PHP version on VestaCP VestaCP does not provide a way to install or switch PHP versions from the panel, so a newer PHP...

Is DDoS protection available for servers? We do not provide built-in DDoS protection. Mitigating an attack on your own services is your...

Mounting an ISO image via IPMI Virtual media lets you boot a dedicated server from your own ISO image — to install an operating...

Network configuration instructions This article covers configuring the primary network interface on a server. To add a further...

No RDP access: "Remote Desktop Services took too long to load the user configuration" If a Windows server is unreachable over RDP and the event log contains "Remote Desktop Services...

Recommendations for using public DNS resolvers Your server needs a DNS resolver to look up domain names — for outgoing connections, package...

Restoring individual files and directories from a PBS backup via the Proxmox web interface This guide applies to dedicated servers running Proxmox with a connected Proxmox Backup Server...

Setting up MySQL master-master replication In master-master replication both servers accept writes and replicate to each other. It is used...

Setting up MySQL master-slave replication In master-slave replication, one server (the master) accepts writes and the second (the slave)...

Setting up SSH key access to Backup Stor SSH keys identify you to the server without a password. For Backup Stor this matters in...

Subnet mask cheat sheet A quick reference for IPv4 subnet masks and prefix lengths. Useful when configuring an address on...

Synchronizing directories using Unison Unison synchronises files and directories in both directions between two servers. It is used to...

Time changes after restarting a Windows server If the system time on a Windows virtual machine shifts by several hours after a shutdown or...

What is DNS cache and how do I clear it? A DNS cache is temporary storage holding recently resolved domain names and their IP addresses,...

What to do before returning a server Before cancelling a server, take a few minutes to close things down properly. Once the service is...

What to do if your server is running slowly Slow server performance is usually caused by one of four things: high processor usage,...

Which SSL certificate should I choose for my website? Which certificate you need depends on how many names have to be covered and whether your...

Which control panel can be installed on Windows Server? Yes — Plesk runs on Windows Server and is the control panel we install on Windows-based servers....

Which operating systems does ISPmanager support? ISPmanager runs on modern Linux distributions based on Debian or RHEL. It does not run on...

Which operating systems support DirectAdmin? DirectAdmin runs on Linux and FreeBSD. It does not run on Windows — for Windows servers, see...

Why do you need SPF, DKIM and DMARC records? SPF, DKIM and DMARC are three TXT records that tell receiving mail servers whether a message...

Why does my Windows server shut down every hour? If a Windows server shuts down by itself roughly every hour, the usual cause is an expired...

Working with the IPMI interface IPMI is a management interface built into the server's hardware and firmware. It works...

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