Squid is the most popular Proxy server for Unix like operating systems. It also used for the web filtering. Squid also useful as caching proxy server for the HTTP, HTTPS, FTP protocols. This article will help you to setup Squid Proxy Server on Ubuntu 18.10, 18.04 LTS, 16.04 LTS, and 14.04 LTS systems. Step...
How To Install DHCP Server In Ubuntu & Debian. DHCP (Dynamic Host Configuration Protocol) is a network protocol used for assigning the IP address to network clients dynamically from predefined IP pool. It is useful for LAN network, but not generally used for production servers. Read more about DHCP here. This tutorial will help...
SFTP (SSH File Transfer Protocol) is secured protocol to transfer files between local and remote server. To required SSH server running on the remote system. This protocol encrypts the transfer of data between local and remote system. As SFTP provides secure data transfer, so we recommend it over FTP protocol. SFTP is recommended but...
SSH ( Secure Shell ) is widely used for remote login to Linux servers. When we log into a remote system using ssh, it prompts for the password and then only allow us to login to the server. Sometimes we need to configure applications or scripts (mostly shell script) to automate tasks to do...
You can download complete website recursively using wget command line utility. wget is a frequently used command for downloading files from http and ftp servers. In this tutorial you will learn how to Recursively Download Files from FTP. For example – below command will download /remote/dir directory and its subdirectory from example.com ftp server....
OpenSSH is a free tool widely used for remote login on Linux systems. It uses SSH/SecSH protocol suite providing encryption for network services. Its source code is available free to everyone. This article will help you to Install or Update OpenSSH Server on Ubuntu & LinuxMint systems. Features of OpenSSH Open Source Project Free...
The Domain Name System (DNS) is a hierarchical distributed naming system for computers connected over network. It resolves ip address correspondence to a domain name. A forward only dns server does not keep the domain information. If any query comes to this server, it forward it to configured dns server. A details information about...
The Domain Name System (DNS) is a hierarchical distributed naming system for computers connected over network. It resolves ip address correspondence to a domain name. There are four type of dns servers . This article will help you to configure dns server (Domain Name System) using bind packages on Ubuntu, Debian and LinuxMint systems....
As a system administrator, you deals regularly with multiple remote systems. You need to SSH systems multiple times during your work. Many of remote Linux server you have access through password a many of them you have access through private key. So this can be more typical to manage all of them. This article...
Recently I have created a new instance on AWS using Ubuntu 14.04 LTS AMI. As we know AWS allows key based login by default. When I tried to SSH with downloaded server.pem key, I got following warning message on-screen and then it prompts for password of user. Error: $ ssh -i server.pem [email protected] @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@...