web server

... continued from Part 1: Infopackets Back Online; New Server, and More ! Once XenServer was installed on my machine by my hosting company, I had to install a program called 'XenCenter' on my Windows machine which allowed me to access my XenServer ... using a Graphical User Interface (GUI) over an encrypted virtual private network (VPN). Once I've got access to my XenServer, I could install virtual machines running any operating system I want (Linux, Windows, for example) and connect them to the Internet and use them as servers. The Old Server Setup vs The New Server Setup The old server setup ( ... (view more)

Infopackets Reader Windy H. writes: " Dear Dennis, I keep important information (such as credit card numbers) stored on my PC. The sensitive information, however, is disguised in such a way that if someone were to 'break in' to my PC, they would ... never realize that it is my credit card number. Question: I always go back to my repository program to cut and paste my credit card number into order forms when I make a purchase online. If there was a stealth Keylogger installed on my system, would it be able to detect the numbers I am entering? " My response: The short answer is "yes ... (view more)

It's been one heck of an enduring battle, but after waging war with the new web server gremlins -- and after standing vigilantly for the last 5 days in hopes that the hosting company could resolve a number of outstanding issues -- I finally decided ... that "enough was enough" and had the system re-imaged [formatted] all over again. Of course, this meant that I had to reinstate all the dedicated web server software and web pages by remote command-line. Not fun. It was a royal pain in the neck, but it appears that the second walk-thru has cleared the path and things *seem* to be much ... (view more)

Dear Infopackets Reader s, Over the weekend, our web server was attacked by hacker(s). Although security was not compromised, the attack resulted in the web server being temporarily shut down until my hosting company could safely implement a data ... mitigation filter to deflect the attack. In a nutshell, the attackers sent a flood of information to the web server and caused it to "choke" on incoming requests. Because the attack originated from multiple IP addresses (I.E.: from more than one computer), this type of attack is referred to as a DDoS attack (or, Distributed Denial of ... (view more)

With respect to yesterday's feature article regarding new changes affecting our web site, Infopackets Reader Paul B. sent me the following Visitor Feedback: " Dear Dennis, Just a quick comment: Keep up the good work! I have never been disappointed ... with infopackets or any of the products I have purchased thru the site. Thanks for that. I do have one question, however. I just read the 06/01/2004 issue of the Gazette, where you reported that you are writing web scripts [I.E.: special web server programs] in order to transform the layout of the infopackets web site. In writing this email to ... (view more)

I'm going to break away from our regular genre of discussions held in the featured article section of the newsletter and take this opportunity to inform Readers of a few things happening with our web site. Issue #1: Problems receiving email The ... Netsky email virus is causing all sorts of havoc -- especially for our main server. Before delivering the newsletter to our Readers, I always send out a few test messages to my own email accounts to ensure that things are in proper order. Unfortunately, some of the test mailings never made it through the mail queue on our main server. Subsequently, ... (view more)

All is not well in the land of infopackets.com. During the last newsletter announcement, the infopackets web server crashed. My laptop was connected to the infopackets server at the time that it happened and I was able to see that server's virtual ... memory (swap file) was almost completely depleted. In techy terms, this situation is referred to as a memory leak. How a Memory Leak causes an Operating System to crash An operating system is reserved a specific set of system memory (RAM) to perform critical system operations. By definition, it is the job of the operating system to ensure that a ... (view more)

Seasons greeting s! I don't normally send out the Gazette on the weekend, but I have a number of important issues to discuss which are time sensitive. Let me be brief. Issue #1: Changes to the Infopackets Web Server The infopackets fund raiser was a ... success and I will be putting an order in for the new web server as soon as the setup that I want becomes available (most likely after the new year). In the past few weeks I have been making modifications to the newsletter delivery program in preparation for the new web server. Once the new server is online, the newsletter delivery program will ... (view more)

Three days a week I entertain Readers with articles I write based on real life computing problems. This time, I'm the one with a dilemma on my hands. Since April of this year, readership of this newsletter has blossomed from 50,000 to (now) 237,000 ... readers -- with 1,000 new members subscribing each day. Not long ago, things were very different. Up until this past August, the newsletter was sent out in full length / HTML (graphical) format -- but all of that came to a halt when it was no longer efficient or financially feasible. I have since reduced the size of the email newsletter by making ... (view more)