How to Prevent Unauthorized Computer Access

Steps 1 Set up password protection. Enable password protection on your computer if it is not already set up. Make sure you are using a personal password you have chosen versus the default password. When creating your password, be sure to incorporate numbers or special characters to make it difficult for others to guess. Change your password...

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How to Prevent Hacking

Computer hacking can occur in a number of ways. Your computer system itself can be hacked and mined for personal information. Your blog or website can be compromised if a hacker obtains your password. Your email can be hacked if you click on a fraudulent link and you may not be able to retrieve your email and other information you've registered...

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How to Minimise Security Risks from Hackers and Crackers

Hackers and crackers are people who make unauthorized access to a network, a computer, or data belonging to someone else. Sometimes they may cause damage to information, remove it or may even cause distress to the real owner of the information. The following are some steps, tips, and warnings that you should be aware of, in order to prevent network...

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How to Protect Your Facebook Account from Hackers

Unethical hackers (in bad sense of this word) are always looking for weaker points in a network system to hack the security system of your company and get a hold of confidential and new information. Some "black-hat hackers" derive a vicarious pleasure from wreaking havoc on security systems and some hackers do it for money. Whatever may be the...

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How to Protect Data from Getting Hacked

Poor security in computer systems can be very harmful for any business, no matter what is the size of the company. The information about your business and its processes is too valuable to get in the hand of some illegal hacker. However by incorporating the right security infrastructure you can minimize the chances of viruses entering your network...

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Time-Saving Tricks on the Command Line

I remember the first time a friend of mine introduced me to Linux and showed me how I didn't need to type commands and path names fully—I could just start typing and use the Tab key to complete the rest. That was so cool. I think everybody loves Tab completion because it's something you use pretty much every minute you spend in the shell. Over time, I discovered many more shortcuts and time-saving tricks, many of which I have come to use almost as frequently as Tab completion. In this article, I highlight a set of tricks for common situations...

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Linux shell tips and tricks

I’m using Linux shell (Bash) on daily basis, but I often forgot some useful command or shell tip. Yes, I can remember commands, but I can’t say that if I used it just once for specific task. Then I started to write Linux shell tips in text file on my Dropbox account and now I decided to share that. This list will be updated over time. Also keep in mind that for some tips you will need to install additional software on your Linux distribution. UPDATE: November 25, 2013 Check if remote port is open with bash: echo >/dev/tcp/8.8.8.8/53 &&...

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25 Hardening Security Tips for Linux Servers

Everybody says that Linux is secure by default and agreed to some extend (It’s debatable topics). However, Linux has in-built security model in place by default. Need to tune it up and customize as per your need which may help to make more secure system. Linux is harder to manage but offers more flexibility and configuration options. 25...

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13 Basic Cat Command Examples in Linux

The cat (short for “concatenate“) command is one of the most frequently used command in Linux/Unix like operating systems. cat command allows us to create single or multiple files, view contain of file, concatenate files and redirect output in terminal or files. In this article, we are going to find out handy use of cat commands with their examples...

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