IP Masquerading in Linux

By | 2018-06-12T07:30:42+00:00 January 5th, 2017|

IP Masquerade is a networking function in Linux similar to the one-to-many NAT (Network Address Translation) servers found in many commercial firewalls and network routers. IP Masquerade, also called IPMASQ or MASQ, allows one or more computers in a network without assigned IP addresses to communicate with the Internet using Linux server's assigned IP address. [...]

How To Reboot Linux System Using Command Line

By | 2017-01-05T16:53:02+00:00 January 5th, 2017|

Refer the following video tutorial if you want to know how to restart VPS via "my.interserver.net". If you prefer to reboot via command line tools then read further. https://www.youtube.com/watch?v=DWl3PrHOj9A   In this tutorial we can learn how to reboot the Linux system using command line tools. If you have a single board computer or [...]

All about Linux Process Scheduling And Multitasking

By | 2017-01-05T16:30:49+00:00 January 5th, 2017|

Modern computer systems range from low-end processors that can only execute one single instruction at a time to high-performing supercomputers with hundreds of CPUs each and multiple cores on each CPU, performing hundreds of instructions in parallel.  All of these systems tend to have one thing in common: They always need to run more processes [...]

How To Download Files From Linux Command Line

By | 2017-01-05T16:30:29+00:00 January 5th, 2017|

In this tutorial we can learn how to download files from Linux Command line. Wget, is a part of GNU Project, the name is derived from World Wide Web (WWW). Wget is a command-line downloader for Linux and UNIX environments. It is a popular and absolutely user-friendly free-utility command line tool primarily used for non-interactive [...]

Linux Cat Command Usage with Examples

By | 2017-01-05T16:30:22+00:00 January 5th, 2017|

The cat command (short for “concatenate “) is one of the most frequently used command in Linux/Unix, Apple Mac OS X operating systems. cat command allows us to create single or multiple files, view contain of file, concatenate files and redirect output in terminal or files. It is a standard Unix program used to concatenate [...]

Task Scheduling In Linux Command Line

By | 2017-01-05T16:29:23+00:00 January 5th, 2017|

In this tutorial we can learn how to schedule tasks via the Linux Command line Scheduling one-time tasks with at One solution available to users of a Linux system for scheduling future tasks is at. This not a standalone tool, but rather a system daemon (atd), with a set of command-line tools to interact with [...]

Linux Network Address Translation (NAT)

By | 2017-01-05T16:25:59+00:00 January 5th, 2017|

Firewalld supports two types of Network Address translation(NAT): masquerading and port forwarding. Both can be configured on a basic level with regular firewall-cmd rules, and more advanced forwarding configurations can be accomplished with rich rules. Both forms of NAT modify certain aspects of a packet, like the source or destination, before sending it on.   [...]

Managing Swap Space in Linux

By | 2018-06-08T08:01:24+00:00 January 5th, 2017|

A swap space is an area of a disk which can be used with the Linux kernel memory management subsystem. Swap spaces are used to supplement the system RAM by holding inactive pages of memory. The combined system RAM plus swap space is called virtual memory. When the memory usage in a system exceeds a [...]

Linux pinfo command usage with examples

By | 2016-12-23T12:20:04+00:00 December 23rd, 2016|

Pinfo is an info file viewer or a program for viewing info files. The man pages have a formal format useful as a command reference, but less useful as general documentation. For such documents, The GNU Project developed a different online documentation system, known as GNU info. Info documents are an important resource on Linux [...]

Learn Linux File System Permissions

By | 2016-12-23T12:17:57+00:00 December 23rd, 2016|

Access to files by users are controlled by file permissions. The Linux file permissions systems is simple and flexible, which makes it easy to understand. Files have just three categories of user to which permissions apply. The file is owned by a user normally the one who created the file. The file is also owned [...]

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