This tutorial explain how to use screen and screen profiles in your ubuntu server.
Screen is a program that allows you to have multiple logins on one terminal. It is useful in situations where you are telnetted into a machine or connected via a dumb terminal and want more than just one login.
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If you want to configure Cisco VPN on Ubuntu 9.0.4 is very easy now.You don’t need to install the Cisco VPN client – NetworkManager includes support for Cisco IPSec VPNs.NetworkManager attempts to keep an active network connection available at all times. It is intended primarily for laptops where it allows easy switching betwen local wireless [...]
This tutorial will explain how to setup abit AirPace PCI-e WiFi card without ndiswrapper in Ubuntu Intrepid
Note:-It ought work for any card with an Atheros AR242x chipset, but is untested.
First thing to do is disable the suggested drivers; go to the Restricted Drivers Manager wherever it is on your system (Applications>System>Hardware Drivers) and disable “Support [...]
FreeNX is a system that allows you to access your desktop from another machine over the Internet. You can use this to login graphically to your desktop from a remote location. One example of its use would be to have a FreeNX server set up on your home computer, and graphically logging in to the [...]
Bonding is creation of a single bonded interface by combining 2 or more ethernet interfaces. This helps in high availability and performance improvement.
How to setup dual-dual bonding (two bonds of two interfaces each) on Ubuntu as quickly as possible.
1. Add two lines to /etc/modules
bonding bond0 -o bond0 mode=1 miimon=100
bonding bond1 -o bond1 mode=1 miimon=100
If you’re
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VBoxManage, a command-line utility that allows you to control all of VirtualBox’s powerful features.In essence, VBoxManage supports everything that our graphical user interface allows you to do with the click of a button. VBoxManage supports a lot more than that,however. It exposes really all the features of the virtualization engine, even those that cannot (yet) [...]
We have already discussed how to install VirtualBox 2.1.0 in ubuntu one of the important change is Host interface networking made easy with Host Interface Networking, VirtualBox uses a device driver on your host system that filters data from your physical network adapter. This driver is therefore called a “net filter” driver.
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Nagios is a host and service monitor designed to inform you of network problems before your clients, end-users or managers do. It has been designed to run under the Linux operating system, but works fine under most *NIX variants as well. The monitoring daemon runs intermittent checks on hosts and services you specify using external
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While doing a server migration, it happens that some traffic still go to the old machine because the DNS servers are not yet synced or simply because some people are using the IP address instead of the domain name….
By using iptables and its masquerade feature, it is possible to forward all traffic to the old [...]
We have already discussed how to install virtualbox and create virtual machines in ubuntu.This tutorial will explain How to set up host interface networking for VirtualBox on Ubuntu.
To start, NAT is by far the easiest way to get your guests connected to the interweb, but you may want to use the guests as servers. For [...]
One of the first things I do for my desktops is set them with a static IP. Below is how I go about it.
First uninstall Network Manager. This will just simply get in the way.
Edit as root:
/etc/network/interfaces
and adjust it to your needs (in this example setup I will use the IP address 192.168.0.100):
# [...]
You just connected through SSH and are wondering what your users are doing. Do a
cat /dev/vcs1
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Vyatta is a Linux based distro that ease the set up of VPN, Routers, antivirus…. It has a really small footprint on your system as it only requires something like 800M to be installed and is based on Debian. On the top of that, it offers configuration wrappers to facilitate service settings.
This tutorial will explain [...]
dig is a command-line tool for querying DNS name servers for information about host addresses, mail exchanges, name servers, and related information.
Understanding the default output
The most typical, simplest query is for a single host. By default, however, dig is pretty verbose. You probably don’t need all the information in
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You can do it manually from the command line, assuming you have network tools for linux installed. Know the name of your wireless connection: mine is ath0, so I’ll use it in this example, but you have to replace it when you type these commands with the name of your wireless connection. Note that most
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