December 25, 2008 4:55 AM
Posted by: Xjlittle
ip calculator,
network hosts,
subnet mask,
subnettingIn my last post I discussed how to make quick subnetting and IP calculations. This post is will help us determine how many hosts on a network.
Suppose that you know your IP address and an abbreviated notation subnet mask. What you need to find out is the IP of your default gateway.
The...
December 21, 2008 11:15 PM
Posted by: Xjlittle
calculate subnet,
ip address,
ip addressing,
subnet mask,
subnettingWith all of the ip and subnetting calculators all over the internet it might seem to some that learning subnetting is unnecessary. I think that it is a skill that is underused and should be learned by all network administrators. It's really not that hard to get the basics down.
In this article...
October 9, 2008 1:15 AM
Posted by: Xjlittle
alfresco,
blackberry,
Linux,
open source,
Open source applications,
smartphone,
zimbraI have often wondered when the thought processes of people would shift from equating Linux and Open Source as one and the same. I need not wonder any longer as that time is here. And this is a good thing.
In the past people, more often than not, spoke of Linux and Open Source in a way that...
October 4, 2008 1:29 AM
Posted by: Xjlittle
cloud computing,
internet,
saas,
software as a serviceI have often wondered what is the difference between Cloud Computing and SaaS (Software as a Service). Tonight I decided to look into this and see if I could come up with some clear definition. Let's see what we can find.
According to Wikipedia "
September 8, 2008 1:00 AM
Posted by: Xjlittle
apache,
centos,
dav,
http,
httpd,
https,
Linux,
virtual host,
web server,
webdavCreating Apache virtual hosts allow you to use a single IP address for many web servers. I use mine for general web serving as well as secure WebDav over HTTPS. The Apache web server is arguably the most popular web server on the internet and
September 6, 2008 8:05 AM
Posted by: Xjlittle
centos,
ftp,
http,
https,
Linux,
proxy,
proxy cache,
squid,
squid.conf,
unix,
web proxy,
windows,
YumHere is a quick start plan for installing the squid-cache.org proxy server. Squid is a caching proxy server that uses HTTP, HTTPS and FTP for caching web pages from the internet. By caching web pages locally the squid server helps you save on bandwidth...
September 1, 2008 9:34 PM
Posted by: Xjlittle
centos,
grub,
gui,
headless,
inittab,
lilo,
Linux,
ssh,
ubuntu,
ubuntuserver,
ubuntuserver upgrade,
zimbraYes you read the title right. Ubunutserver is unbelievably stupid.
Ok let's take it from the top. I had Ubuntuserver 7.0.4 installed as my WebDAV secure server, my son's baseball team's website, samba and so on. I run this server headless and without a gui. Note here that the normal install...
August 30, 2008 11:16 PM
Posted by: Xjlittle
Browsers,
clipperz,
cloud computing,
encrypt,
encrypted password,
firefox,
internet explorer,
Linux,
Lotus Domino,
Microsoft Windows,
Networking,
opera,
saas,
Security,
single sign on,
ssoClipperz provides single signon capabilities using a web browser for all of your web based sites. Clipperz is an open source project started in 2005 by Marco and Giulio Cesare. I have been using Clipperz now for about six months on a daily basis.
From an...
