hostname – POFTUT

Tagged: hostname

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What Is DNS Server Or Protocol Port Number?

Domain Name System aka DNS is used to match domain names to the IP addresses. DNS is provided over intranet and internet servers with different port numbers. TCP or UDP DNS can use both transmission protocols TCP and UDP. But general usage is over UDP protocol because of its simplicity and speed. TCP Port 53 One of the used DNS port is TCP Port 53. TCP provides stability over DNS...

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How To Change Linux Hostname In Ubuntu, Debian, Mint, Kali, CentOS, RedHat?

Hostname is used to name the systems. Normally the computer networks work with IP addresses in order to identify and communicate. But hostname provides human friendly way to name, identify, communicate with other systems. Example Hostname Hostname is just a meaningful word for the system administrators to name a system. For example we can use db1 for first database server or app3 for the third application server. Default Hostname Hostnames generally set...

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What Is /etc/hosts File and How To Create and Edit It?

New comers to the Linux generally asks for what is the purpose and usage of the /etc/hosts file. /etc  directory holds system and service related configuration. hosts file is used to store host name or DNS to IP address resolution. It provides easy way to match a host or DNS name with an IP address. List Current Host or DNS to IP Address Resolutions We can easily read and print current content...

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How To Get Linux Network IP Address In Different Ways ?

We can determine Linux system IP address in different ways. IP address is used to communicate over network and can be get and set in different ways. In this tutorial we will use Ubuntu distribution but given examples and commands will work for all of the different Linux distribution like Fedora, CentOS, Debian, Kali, Mint, RHEL etc. Hostname Command IP Address hostname command is mainly used to show or set...

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How To Find and Change Ubuntu, Debian, Kali Mint Hostname?

Hostname is used to identify the Linux hosts. We generally prefer to put related host names to the systems like web1, db5 etc. In this tutorial we will look how to find and print hostname and change it with different methods. Following examples can be used for other Linux distributions like CentOS, Fedora, RedHat too. Find Current Hostname There are different ways to find hostname. But the most easy and...

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How To Change CentOS Server/Host Hostname?

Host name is used to identify the systems like hosts, clients, servers etc. Host name provides human readable easy names to remember. In a big environment host names will provides some easy of use. This tutorial is compatible with  RHEL6, RHEL7, Fedora, CentOS 6 and CentOS 7 versions How Host Names Works In basic form computer networks like TCP/IP works with IP addresses to communicate. IP addresses are not practical...

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Windows Tracert Command Tutorial with Examples To find Path To Remote Host

Windows operating system provides some basic tools to troubleshoot network. tracert is one of the most used tool. tracertcommand simply trace route to the given IP address or remote host. tracert mainly provides the route to the remote IP address. Syntax Syntax of tracert command is like below.

Traceroute In this example we will simply trace the path to the remote host. We do not provide any option. Before command the...

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Linux Bash Default Environment Variables

While working with Bash environment we generally need some variable data to set and get. Bash shell provides some default values about current user, hostname etc. as environment variable. In this tutorial we will look most popular of them. Get The User Running Script While running bash interactively or non-interactively getting current user name is done with $USER special variable.

Get Hostname Host name is the name of the...

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How To Download and Install Kali Security and Penetration Test Linux Distribution?

Kali is a Linux distribution or it is a security and penetration test distribution. It is beyond a Linux distribution and provides a lot of useful, popular and featureful tools to the security professionals. Some of popular tools Kali provides nmap metasploit burp sqlmap masscan nikto … Download Kali We should get Kali installation iso image from internet official Kali site. Light version provides only popular tools which seems to...

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How To Check, Show and Print Linux Version with Commands?

Linux is the kernel and there are a lot of distributions those use kernel. Distributions provides different experience and flavors to the users. Some times getting distribution and version information from a Linux box became very important. We will look how to get Linux kernel and distribution from Linux system. Kernel Information Kernel information can be get with uname command which is by default exists all Linux, Unix,BSD operating systems....

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