In the context of open source operating systems, the term “unixoid” is often used, indicating that the software is similar to the Unix system published in 1969. Typical indicators are, for example, the file system, or means and rights available to access the system and its processes. But what exactly is Unix, and who is behind the development of this influential operating system?
Whether a home PC, work laptop, or website server – without an operating system, the management of hardware resources wouldn’t be possible. Windows systems have proven themselves over the years, and Apple computers run with Mac OS X as the standard, but Linux distributions are no longer a niche in the server environment. Ubuntu, for example, continues to build on traditional open source...
Carry out a server comparison and you will notice that website operators have a large selection to choose from. Professional hosts offer virtual, dedicated, and cloud based servers in different performance levels. How do these server models differ from one another? What features does a root server have in comparison to a managed server? Which type of hosting is best for your web project? Take a...
Since the first version, Linux kernel has been implementing packet filter modules, with which filter tables can be created. However, additional programs such as iptables are required to configure the rule set. In our tutorial, we present the free software for the Linux kernel 2.4 and 2.6 and give you a little insight into how it all works.
Process managers can give experienced computer users and administrators an accurate overview of which programs and services are taking up the system’s capacity. Classic command-line tools are confusing, and can only be controlled with complicated commands. For Unix-like systems, such as Ubuntu, the task manager htop, with its text interface, is a first-class alternative. It can help inexperienced...
With Linux, access rights for directories and files are often set through the terminal. There, file owners can be defined and groups can be assigned. With the command, chmod, user classes can be assigned certain file rights. Access rights in the Unix file system can be changed in two different ways: symbolic or numeric. Find out more about both notation types here.
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