Networking

The Best Free SSH Tabbed Terminal Clients for Windows

PuTTy is an emulator for the terminal. It allows you to log into another computer that can be on the same network or accessed via the internet. The basic program has no security, but you can add authentication and encryption to SSH to protect internet connections. The tool also includes…

Category : Networking   13-02-2019  

How to Set up a Fully Functional Mail Server on Ubuntu 16.04 with iRedMail

Setting up your own mail server from scratch on Linux is complex and tedious, until you meet iRedMail. This tutorial is going to show you how you can easily and quickly set up a full-fledged mail server on Ubuntu 16.04 with iRedMail under 30 minutes. What is iRedMail? iRedMail is a shell…

Category : Networking   08-08-2018  

Install Java in Ubuntu 16.04

Java and the JVM (Java's virtual machine) are widely used and required for many kinds of software. This article will guide you through the process of installing and managing different versions of Java using apt-get. Installing the Default JRE/JDK The easiest option for installing Java is using the version packaged with Ubuntu.…

Category : Networking   23-11-2017  

Install HHVM + Nginx on Ubuntu 14.04

  The LEMHH software stack is a group of software that can be used to serve dynamic web pages and web applications. This is an acronym that describes a Linux operating system, with an Nginx web server. The backend data is stored in MySQL and the dynamic processing is handled by…

Category : Networking   12-05-2017  

How to install and setup Varnish in Ubuntu 16.04

One of the problems with running a site with many users is that the constant requests for dynamic content can really bog down a web server. In order to solve this problem, many big companies turn to a tool called Varnish. It’s an HTTP accelerator that caches both static and…

Category : Networking   02-01-2017  

Display Linux TCP / UDP Network and Socket Information with the 'ss' command

The ss command is used to show socket statistics. It can display stats for PACKET sockets, TCP sockets, UDP sockets, DCCP sockets, RAW sockets, Unix domain sockets, and more. It allows showing information similar to netstat command.It can display more TCP and state information than other tools. It is a…

Category : Networking   01-01-2016  

How to setup FTP server on ubuntu 14.04 with VSFTPD

FTP is used to transfer files from one host to another over TCP network. This article explains how to setup FTP server on ubuntu 14.04 . There are 3 popular FTP server packages available PureFTPD, VsFTPD and ProFTPD. Here i’ve used VsFTPD which is lightweight and less Vulnerability. Step 1 » Update…

Category : Networking   13-01-2015  

How to Create a .ONION Website and Domain With Tor Network

Not a lot of people know about .onion websites, not many people actually use it. .ONION websites are used by people who want to stay anonymous. In addition, .onion websites are the first layer of the Deep Web. Which is basically described in the picture bellow As many websites say, the…

Category : Networking   02-11-2014  

Speed up your site and protect it against DDOS attacks with CloudFlare

If you have checked your site or blog, then you may noticed the page speed, YSlow, Timeline etc. An important factor to give fast content delivery to your blog’s reader and page speed, CND (Content Delivery Network) is must. The CDN makes your wordpress blog even faster to load, that…

Category : Networking   23-07-2014  

HowTo Create Linux Swap On Ubuntu 12.04

About Linux Swapping Linux RAM is composed of chunks of memory called pages. To free up pages of RAM, a “linux swap” can occur and a page of memory is copied from the RAM to preconfigured space on the hard disk. Linux swaps allow a system to harness more memory than…

Category : Networking   10-02-2014  

10 Server and network monitoring tools

When you have a website or a network, it’s helpful to be aware of any issues as soon as they occur. There are open source and freeware server/network monitoring tools that will supervise your infrastructure for any issues that may arise. These tools are meant to aid you in avoiding…

Category : Networking   04-02-2014  

Syncronize Files Between Servers With RSYNC

Synchronize Files With rsync Synchronizing files from one server to another is quite awesome. You can use it for backups, for keeping web servers in sync, and much more. It's fast and it doesn't take up as much bandwidth as normal copying would. And the best thing is, it can be…

Category : Networking   03-02-2014  

Install Bit Torrent Sync on Ubuntu

There are some great tools for syncing files over the internet available to us, but one stands out from the rest in regards of technology used and possible use cases. A public beta version was released in June this year and now it’s available for Windows, Mac, Linux, FreeBSD, Android and…

Category : Networking   15-01-2014  

Grid Computing Vs Cloud Computing

The world of information technology is changing rapidly and what may be the popular method of conducting business or gathering information today may be completely phased out in a few months. Grid computing and cloud computing are two powerful – but distinct – computing systems that attempt to accomplish many of the…

Category : Networking   07-12-2013  

Ubuntu: How To Start Program As Service

According to Ubuntu’s Upstart website, “Upstart is an event-based replacement for the /sbin/init daemon which handles starting of tasks and services during boot, stopping them during shutdown and supervising them while the system is running.”Basically, Upstart is an init daemon that replaces the /etc/init.d scripts.It comes with Ubuntu 6.10 and…

Category : Networking   10-10-2013  

PHP files are downloaded by browser instead of processed by the server, how to solve it?

After upgraded some packages in my ubuntu server, sometimes php configuration goes crazy and PHP files are downloaded by browser instead of processed by the server, how to solve it? Here are the steps to solve fastly the problem.   Follow thiese commands:   Code: sudo a2enmod php5 and it said "Module php5 already enabled".    re-starting apache2…

Category : Networking   16-08-2013  

Useful list of commands for linux server management

List of checks that you can perform on a linux server to try and figure out why it keeps going down Disk Space: df -h (Make sure you have enough disk space) Memory: free -m (Check you're not out of memory) Processes / Load average top (shift + m) htop (Check for processes that are taking up a lot of…

Category : Networking   09-07-2013  

Setup SSL Certificate on Apache and Ubuntu 12.04

How to Create a SSL Certificate on Apache for Ubuntu 12.04   About SSL Certificates A SSL certificate is a way to encrypt a site's information and create a more secure connection. Additionally, the certificate can show the virtual private server's identification information to site visitors. Certificate Authorities can issue SSL certificates that…

Category : Networking   02-07-2013  

Syncronize Files Between Two Ubuntu Servers Using Unison and Incron

File Synchronization Between Two Ubuntu Servers using Unison Unison is a file-synchronization tool for Unix and Windows. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating…

Category : Networking   21-06-2013  

Install and Configure Varnish with Apache multiple Virtual Hosts on Ubuntu 12.10

About Varnish Varnish is an HTTP accelerator and a useful tool for speeding up a server, especially during a times when there is high traffic to a site. It works by redirecting visitors to static pages whenever possible and only drawing on the virtual private server itself if there is a…

Category : Networking   21-06-2013  

Install apache2 mod_security and mod_evasive on Ubuntu 12.04

This guide is intended as a relatively easy step by step guide to: Install and configure Apache2 ModSecurity and mod_evasive modules on Ubuntu 12.04 LTS server. Things have become much easier than before installing both these two excellent security modules for Apache2 in Ubuntu 12.04 LTS, as both modules are available in the…

Category : Networking   11-06-2013  

How To Uninstall Apache 2

This is a little tip that we can share to manage your linux box server, below you can see the consolle command to uninstall apache webserver sudo update-rc.d -f apache2 remove

Category : Networking   30-05-2013  

Setting the Hostname (FQDN) in Linux Servers

Here we will show how to set your system's hostname and fully qualified domain name (FQDN). Your hostname should be something unique. Some people name their servers after planets, philosophers, or animals. Note that the system's hostname has no relationship to websites or email services hosted on it, aside from providing…

Category : Networking   29-05-2013  

Install Wordpress, Nginx, PHP, and Varnish on Ubuntu 12.04

About Varnish Varnish is an HTTP accelerator and a useful tool for speeding up a server, especially during a times when there is high traffic to a site. It works by redirecting visitors to static pages whenever possible and only drawing on theserver itself if there is a need for an…

Category : Networking   29-05-2013  

Million of visitors per day with a super cheap php mysql server using nginx and varnish

These instructions are the rather verbose, but hopefully easy enough to follow, steps to build a new Linux server using Varnish and Nginx to build a php application on a cheap server , all costing under $15 a month, capable of sustaining million hits per day, (we use blitz.io to…

Category : Networking   28-05-2013  

Ubuntu UFW Firewall - Uncomplicated Firewall for Ubuntu

Introduction to UFW - Uncomplicated Firewall The default firewall configuration tool for Ubuntu is ufw. Developed to ease iptables firewall configuration, ufw provides a user friendly way to create an IPv4 or IPv6 host-based firewall. By default UFW is disabled. Gufw is a GUI that is available as a frontend. Basic Syntax and…

Category : Networking   27-05-2013  

3 Ways to Get High Rankings Despite Algorithm Changes

Representatives from Google have said they change search engine algorithms as many as hundreds of times per year. This reality hit the Internet world particularly hard in 2012, as many of the algorithm changes that occurred meant that people who specialized in search engine optimization had to completely change strategies…

Category : Networking   10-05-2013  

Open Compute Project To Develop An Open Switch

  The Open Compute Project (OCP), a Facebook-backed  initiative that aims to develop cheaper, more energy efficient data centre designs, has announced it will begin work on a specification and a reference box for an open, OS-agnostic top-of-rack switch. The development process will be outlined at the first-ever OCP Engineering Summit, being held at Massachusetts…

Category : Networking   09-05-2013  

Setup VNC server for remote desktop management in Ubuntu 12.04

   VNC is a protocol that is used to share the desktop with other users/computers over the network/Internet.In order to share a desktop, VNC server must be install and configure on the computer and VNC client must be run on the computer that will access the shared desktop. When we install…

Category : Networking   24-04-2013  

Install ISPCONFIG 3 in UBUNTU 12.04

  Note: This is work in progress! You should probably test this in a virtual machine first and play around with various settings. There are a lot of tutorials over the Internet about how to configure an Ubuntu server for ISPConfig. I usually follow them, after all there aren’t so many variations on…

Category : Networking   11-04-2013  



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