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When you're getting started with the Linux command line, it helps to be able to translate some commands you know into the ones you're trying to learn. If you're coming from a Windows or DOS environment, here's how you'll accomplish some common tasks using the Linux command line. Action DOS Command Linux Command Copy a file copy path1\filename1 path2\filename2 cp path1/filename1 ...

Themes, also known as skins, are small downloads you can get for Firefox which change the way it looks. And there are lots of them but they are fiddly to use. First, find some themes to download by going to Tools and selecting Add-Ons. You will get a box showing the themes you already have, and you click Get Themes to ...

Harmful Email Subjects to Avoid I. Emails from people trying to infect your system and steal your friends' email addresses for spam I.1. Pictures of Osama Bin Laden hanging or Arnold Schwarzenegger's suicide note I.2. Email that seems to come from your system administrator or other familiar sender that says your email could not be delivered, or some similar statement. I.3. ...

Virus Detection and Prevention Tips 1. Do not open any files attached to an email from an unknown, suspicious or untrustworthy source. 2. Do not open any files attached to an email unless you know what it is, even if it appears to come from a dear friend or someone you know. Some viruses can replicate themselves and spread through email. ...

A Taking a big step back, a Web server serves pages for viewing in a Web browser, while an application server provides methods that client applications can call. A little more precisely, you can say that: A Web server exclusively handles HTTP requests, whereas an application server serves business logic to application programs through any number of protocols. Let's examine each ...

InsideTech is dedicated to providing tech professionals with every resource they need to do their jobs better, foster their professional development and advance their careers. That’s why we created a special spot, the Tool Box, where IT professionals can share and exchange information they’ve found valuable and useful in their workday. == == Related Links == == == Want to boost ...

Here's a tip for getting your computer to talk/read to you. It's a great help for spotting errors in email text and other written documents. Sorry PC users. This is a Mac-only feature. Here's what you do in Mac's OS X: 1) Go to Apple, click "System Preferences" and select "Speech" from the Systems menu 2) Check the box "Speak selected ...

CERT® Coordination Center Protecting Yourself from Password File Attacks -------------------------------------------------------------------------------- Introduction Protect your password file Ensure that the passwords being used on accounts cannot easily be guessed or cracked by intruders Ensure that you are up-to-date with security patches and workarounds Watch for unusual activity -------------------------------------------------------------------------------- The CERT/CC has had incident reports in which intruders obtain password files from sites ...

I have come across this situation where you need to decom a file/print server but dont have the time or resources to complete the mapping changes for user folders and printers on workstations prior to the move. Stop ALL access to the old server, COPY the files from the old server to the new server and copy the printers from the ...

Intruder Detection Checklist -------------------------------------------------------------------------------- Introduction Look for Signs That Your System May Have Been Compromised Examine log files Look for setuid and setgid Files Check system binaries Check for packet sniffers Examine files run by 'cron' and 'at'. Check for unauthorized services Examine /etc/passwd file Check system and network configuration Look everywhere for unusual or hidden files Examine all machines on ...

CERT® Coordination Center Understanding Malicious Content Mitigation for Web Developers CERT Advisory CA-2000-02 describes a problem with malicious tags embedded in client HTTP requests, discusses the impact of malicious scripts, and offers ways to prevent the insertion of malicious tags. This tech tip, written for web developers, describes more specifically the steps you can take to prevent attackers from from using ...

CERT® Coordination Center Spoofed/Forged Email -------------------------------------------------------------------------------- This document provides a general overview of email spoofing and the problems that can result from it. It includes information that will help you respond to such activity. Introduction I. Description II. Technical Issues III. What You Can Do Reaction Prevention (Deterrence) IV. Additional Security Measures That You Can Take -------------------------------------------------------------------------------- I. Description Email spoofing ...

When setting up security on a wireless router, don't forget to include ALL of the possible MAC addresses of machines that you may use to administer the wireless router. One of the good things about adding more than the MAC of the NIC on the machine you are using to set the router up with is that if that machine is ...

To truly keep my bookmarks across my various browser apps in sync i use this little tip: For example, if using IE take the IE Favorites.html file and make an alias. Rename the alias to bookmarks.html and throw it in your Mozilla/Netscape preference folder. Make another alias of IE's Favorites.html file, rename it Hotlist.html and stick it in the iCab preferences ...

As the business case for voice-over-wireless LANs has matured, enterprises are beginning to realize the benefits of adding voice to their existing wireless LANs. To reap those benefits, enterprises first need to ensure the wireless LAN is ready to handle a mix of data and voice applications. To ensure that voice over IP delivers the same, if not superior, levels of ...

Many companies have invested heavily in enterprise resource planning (ERP) software to seamlessly link themselves to their customers, suppliers, and partners. Although the goal was to optimize these relationships and boost operational performance, the results were often disappointing. The good news is that best practices have been revealed. Here is what works and what you need to do to reap the ...

Internet protocol network controllers are the hub for 150 base station sites. In just four years, the state of Kentucky has gone from having a handful of isolated mobile data systems to being completely covered from border to border. The state's wireless network first began forming in 2002, when the Lexington-Fayette urban-county government implemented its system for complete coverage over a ...

Java technology is both a high-level, object-oriented programming language and a platform. Java technology is based on the concept of a single Java Virtual Machine (JVM) -- a translator between the language and the underlying software and hardware. All implementations of the programming language must emulate the JVM, enabling Java programs to run on any system that has a version of ...

Invented at AT&T Bell Labs in 1969, UNIX is a robust, flexible, and developer-friendly computing environment. Written originally for the Digital Equipment Corporation (DEC) family of PDP microcomputers, this multi-user, general-purpose operating system has taken over roles in all areas of computing--even those once held by mainframes. Some 20-odd years into its history, UNIX began to be eclipsed - in some ...