Linux server security tips

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18 Apr 2016

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Importance of Linux server security

If you have gadgets that are run by Linux operating system, then you should know the reasons why it is important to have a Linux server security. Securing such OS prevents hackers from compromising your personal data, property and time. Apparently, it is the system administrator’s responsibility to provide the security box of Linux. For the next part of this article, you will learn the most understandable tips on how to secure your Linux computer servers especially if you are still a new user.

Basic and Easy Tips To Tighten Linux server security

Here are some basic and straightforward tips to make sure that you tighten the security of your Linux server. The following set of advice, which is most helpful to new users, can also be applied to protect the files that you keep in a Linux cloud storage.

1. Install Applications That You Only Need

Just because you have a large memory storage does not mean you have to fill it up with a lot of applications. When you install unnecessary applications, there are instances when you exploit unwanted codes into the operating system. Remember, even the most impenetrable servers are still susceptible to potential system threats. If you have a few applications, then the less chance it gets codes that could compromise the server security.

2. Constant Update Of Linux System’s Applications, Kernel And Tools

It also pays to have a constant update of the OS. Whether your personal computer, smartphone or server hosting is run by Linux, one of the most effective ways to make the Linux server more impenetrable is to constantly update the software, together with the applications, kernel and tools, keeping the system running as smoothly as possible. Most software updates happen when they have been publicly launched. Such updates include patching of programs that are vulnerable to malfunctioning and fixing of minor bugs that may hamper the whole operating system.

3. Avoid Giving Server Access To Anyone

Apparently, this is one of the most basic things to keep your Linux server security more difficult to penetrate. As much as possible, keep your server access to yourself. Never give it to people you know because it is like you are giving them the access to your bank’s personal identification number. But if there are circumstances when you have to lend it to someone, be sure to add more security measures in preventing unexpected intruders from entering the system.

4. Manage Your Passwords Wisely

Most of the time, servers are accessed by entering passwords. That is one of the most basic concepts there is. With this, you should come up with passwords that are not easy to figure out. Sometimes, when people know you so well, they can actually guess your passwords, putting your servers in danger.

Aside from thinking of difficult passwords, find time to change them every now and then. If possible, do it every after 60 days. Furthermore, it is best recommended not to use one password if you have multiple computer servers. If a hacker was able to penetrate into one of your servers using a specific password, then it is very much possible that he or she could get into the rest of your servers using that code.

Conclusion

The four Linux server security tips are the easiest to understand. They do not involve technicalities that may be difficult to comprehend by neophytes. However, it is also helpful to know a few technical concepts to make sure that your server will be more difficult to crack down. A technical security advice would be to create an up-to-date backup server, which you can use to revive your server host if it has been compromised.

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