Working with ID RSA under Mac OS X

You may request to provide for you RSA keys instead of passwords for dedicated servers and VPS instances, you ordered from us. This way of authorization is secure for most of operations and we basically recommend to use pair RSA keys.

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Mail logs in CentOS

We use maillogs when a mail problem just happened. In this case you can usually tail the log and see all the actions recorded in a file and investigate the errors. All logs are very important, but mail log is the top of them.

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BIND DNS down and not starting

BIND or named is one of the most widely used Domain Name System (DNS) service on Linux Servers. What is BIND? It’s an acronym which breaks to: BIND = Berkeley Internet Name Domain. This server software consists of many components, such as nameserver daemon (named) and a number of utilities (e.g. dig, host, named-checkconf, named-compilezone, dnssec-signzone, etc.) and the libraries (e.g. libbind).

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How to change the default SSH port 22

The Secure Shell (SSH) protocol by default uses port 22. Accepting this default port does not make your OS installation insecure. But changing this SSH port will do a significant variance in security. It will stop many automated attacks and in fact means a bit harder to guess which port SSH is accessible from.

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Top of free server control panels

Today web-GUI control panels are very popular because of easy to use interfaces even for beginners, extended functionality, stability. But what about free alternatives to CPanel, DirectAdmin, Plesk and other commercial web server panel software? Are they existing and what you may get for free?

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Top-5 commercial server control panels

What is a Linux server control panel? This is a type of software working on a Linux server with a web based GUI interface which has capability to manage the web services and web users. Basically, server control panels can manage users, domains, email accounts, FTP accounts, file management functions, creation of subdomains, disk space monitoring, bandwidth monitoring, create backups and many more functions.

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Installing Git on CentOS 7

Version control has become an indispensable tool in modern software development. Git is a system for tracking changes in computer files and collaboration with those files among multiple developers.

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How to set the FQDN in CentOS 7?

This tutorial will explain How to set the FQDN in CentOS 7 and RHEL 7 (Red Hat Enterprise Linux 7). The documentation explicitly instructs you to use the fully qualified domain name as the machine’s static hostname. Trying to name a server with a single unqualified name causes a variety of problems with various services, most notably email. The given below is our system information, replace these values as per your system information.

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File descriptors

Recently we were asked by customers what is the file descriptor limit and why to setup them? If you will run a load testing on your VPS you may be noticed that it ran out of file descriptors. Let look deeply inside the problem.

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