VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely...
The dir command is often considered to be the Windows equivalent but it works in Linux in pretty much the same way. In this guide, I will show you how to use the dir command in Linux and introduce you...
In a shared memory environment, which is a technique used by most operating systems, there is a challenge of counting the memory several times. This ends up giving users and system administrators inaccurate information on how physical memory is used....
Dig (Domain Information Groper) is a networking tool that can query DNS servers for information. It can be very helpful for diagnosing problems with domain pointing and is a good way to verify that your configuration is working. dig command...
A filesystem is a way of storing, organizing and accessing files (and/or directories) on a storage device. Some examples of filesystems are FAT, NTFS for Windows/DOS, HFS for MAC OS etc. In Linux, the popular filesystems are ext2, ext3 and...
The top program provides a dynamic real-time view of a running system. It can display system summary information as well as a list of processes or threads currently being managed by the Linux kernel. The types of system summary information...
CoreFreq is a CPU monitoring software designed for 64-bits Processors w/ architectures Intel Atom, Core2, Nehalem, SandyBridge and superior, AMD Family 0F. CoreFreq provides a framework for retrieving CPU data with a high degree of precision: Core frequencies & ratios;...
vnStat is a console-based network traffic monitor for Linux and BSD that keeps a log of network traffic for the selected interface(s). It uses the network interface statistics provided by the kernel as information source. This means that vnStat won’t...
SSH (Secure SHELL) is an open source and most trusted network protocol that is used to login into remote servers for execution of commands and programs. It is also used to transfer files from one computer to another computer over...
The Log File Navigator, lnav, is an enhanced log file viewer that takes advantage of any semantic information that can be gleaned from the files being viewed, such as timestamps and log levels. Using this extra semantic information, lnav can...