Welcome to esiq.org

Web Hosting - Redundancy and Failover Among the more useful innovations in computing, actually invented decades ago, are the twin ideas of redundancy and failover. These fancy words name very common sense concepts. When one computer (or part) fails, switch to another. Doing that seamlessly and quickly versus slowly with disruption defines one difference between good hosting and bad. Network redundancy is the most widely used example. The Internet is just that, an inter-connected set of networks. Between and within networks are paths that make possible page requests, file transfers and data movement from one spot (called a 'node') to the next. If you have two or more paths between a user's computer and the server, one becoming unavailable is not much of a problem. Closing one street is not so bad, if you can drive down another just as easily. Of course, there's the catch: 'just as easily'. When one path fails, the total load (the amount of data requested and by how many within what time frame) doesn't change. Now the same number of 'cars' are using fewer 'roads'. That can lead to traffic jams. A very different, but related, phenomenon occurs when there suddenly become more 'cars', as happens in a massively widespread virus attack, for example. Then, a large number of useless and destructive programs are running around flooding the network. Making the situation worse, at a certain point, parts of the networks may shut down to prevent further spread, producing more 'cars' on now-fewer 'roads'. A related form of redundancy and failover can be carried out with servers, which are in essence the 'end-nodes' of a network path. Servers can fail because of a hard drive failure, motherboard overheating, memory malfunction, operating system bug, web server software overload or any of a hundred other causes. Whatever the cause, when two or more servers are configured so that another can take up the slack from one that's failed, that is redundancy. That is more difficult to achieve than network redundancy, but it is still very common. Not as common as it should be, since many times a failed server is just re-booted or replaced or repaired with another piece of hardware. But, more sophisticated web hosting companies will have such redundancy in place. And that's one lesson for anyone considering which web hosting company may offer superior service over another (similarly priced) company. Look at which company can offer competent assistance when things fail, as they always do sooner or later. One company may have a habit of simply re-booting. Others may have redundant disk arrays. Hardware containing multiple disk drives to which the server has access allows for one or more drives to fail without bringing the system down. The failed drive is replaced and no one but the administrator is even aware there was a problem. Still other companies may have still more sophisticated systems in place. Failover servers that take up the load of a crashed computer, without the end-user seeing anything are possible. In fact, in better installations, they're the norm. When they're in place, the user has at most only to refresh his or her browser and, bingo, everything is fine. The more a web site owner knows about redundancy and failover, the better he or she can understand why things go wrong, and what options are available when they do. That knowledge can lead to better choices for a better web site experience.

Do and Don’ts of the Interview Process No one likes job interviews. From the moment you schedule the interview you are under a microscope. Your potential employers waiting for you to make the move that make you stand out or eliminates you from being a candidate for the job. This necessary dance that just about everyone, has to go through can be mastered. Learn the key things to do to become a high-ranking candidate for a job. First of all, before you go to the interview be prepared. Having copies of your resume and pens are only half the battle. Where exactly is the office located? Do not leave the location or the interview site up to chance. The only way to know exactly where your interview is and how much travel time you should allow is to go there. Even if you are interviewing out of town, find out how long the drive is to the interview. Nothing disqualifies you, in most cases, faster than being late for your interview. Before you are sitting across from the interviewer, accumulate some knowledge about the company. Knowing about the position is not enough. Everyone that interviews will have read the advertisement for the position. You need to be armed with information about the company. Have they won any service awards? Are they ranked as one of the best companies in America to work for? Find out and impress the interviewer. Another way to impress the interviewer is to have intelligent, thoughtful questions to ask. Ask about productivity, benefits or training procedures. Show that you have done your homework and are truly extend about the position. Be attentive and bring the interviewer as much information as possible about yourself. If you have a portfolio or reference letters, be sure you take them to the interview. Also be prepared with complete work history and information as well as past residency information. Be ready to answer a few probing questions. Why do you want the job you have applied for? What makes this a good time for a job or career change? Have some intelligent answers for these questions. Interviews will know if you are nervous. No matter how badly you need the job, do not appear desperate. Show that you believe in yourself and are confident about your ability to do the job. Speak in terms of when you get the job opposed to it. While this is a bold move it is a way to reinforce the idea of you being chosen for the job. This is a trick for both you and the interviewer. No matter how true this may be, never tell the interviewer that you “really need a job”. If this is what you tell the interviewer they will think that you are willing to take any job. Also, never talk negatively about your current boss or co-workers. Give as objective view as possible if you are asked about your current job relationship. Inquire about the next interviewing steps. This will not only show the interviewer that you are interested in the position it will also give you some time to prepare if you are called for the next interviewing step. Be sure to keep a notebook in your car so you can jot down notes immediately after you leave the interview. This is the best way to keep track of important facts about the position. In a day or so, mail a thank you card to your interviewer. This could be the added interest they are waiting to see from you in order to eliminate the other candidates.

Staying Computer Safe while Searching for Freebies on the Net Who doesn’t love the idea of getting something for nothing? Free stuff can bring a smile to anyone’s face, and the Internet is destination number one when you are looking for cash in on a few freebies. The downside of free stuff online is that if you aren’t careful, the free item could end up causing plenty of headaches and heartaches, not to mention a lot of cold, hard cash. If you want to score with free stuff online, make safety your number one priority by following these tips. First and foremost, treat your personal information like its cash. That might sound a little dramatic, but anyone who manages to steal your identity online is after one thing, and one thing only, your money and any addition money they can grab by cashing in on your credit. Protecting your name, address, credit card number, bank account number, phone number, social security number, and so on and so forth when you are registering for free offers is the first step to making sure you don’t get hustled when you’re just trying to enjoy a good freebie. That means that if you are asked for some personal information that you don’t feel comfortable handing out, let the freebie go. Likewise, make sure the site from which you are getting your free stuff has a privacy policy and that you know it, understand it, and can live with it. Speaking of that site that is handing out the free goods: just who are these people? If you were walking down the street and a shady looking person said they would give you a free DVD player if you followed them, chances are you would run the other way. Online, it is hard to tell the legitimate people from the people looking at you like a free lunch, but there are a few red flags you can look out for. Does the website look like it was thrown up in about 5 minutes, full of clip art and bad spelling? Is it hard to find information about where the website is registered, or where the business the website is supposedly promoting is registered? If the website purports to be affiliated with a certain brand you know, does it really look like it is, or does the logo look different/colors look off? If you can’t get a reasonable feel for who are dealing with online, don’t deal with them. Red flag number one? Asking for too much personal info should send you running. Another way to protect yourself is to build a virtual fortress around your computer. The net is filled with people who know how to walk right into your virtual home – your computer – and flip through everything you have on there, taking whatever they want. Many of these kinds of hackers draw you in by creating phony freebie websites. The way to keep them out is to keep your computer on lockdown. Make sure your firewall is stronger than you think it needs to be, and make sure it is always updated. Also, make sure you have antivirus software on the patrol for you and that you keep this software updated as well. Last but not least, keep those passwords in the vault, and make sure they are extra strong. No freebie website has any reason to ask you about the passwords for your accounts so don’t give them away – and don’t give them to anyone else online for that matter. Also, if you’re using your birthday or child’s name as password, don’t. Sure, it isn’t as easy to remember, but your password should be a random word and contain a collection of numbers and symbols as well. This will give you the extra layer of protection to make sure your online house is in order when you cash in on the freebies.