Friday, December 3, 2010

Protect Linux desktop security of nine tips

Hide files and folders on Linux systems, the files and folders is by using the "."

To be hidden. For example, as shown in the following figure, the original in testfilefolder folder there are two files, we can use the ls command view. But after running the command mvadsl-stop.adsl-stop, ls, you can see only one file. This description can use mv to hide not want other users to see the file. Of course, you can use ls-a command to view all files, regardless of whether they are hidden. Figure 3: Figure 3 has a good password Linux user's password as the key to doing it as important. If the user will be the key to many people, he also locks do? of course, this key is finally being easily produced, that is, the user's password is not easy to guess. If you are using Ubuntu, release version, the passwords might give users more access. Anyway, it is important to protect the user's password is strong. If you really do not trust their own password if appropriate, may wish to use this software, it AutomatedPasswordGenerator can provide you creating a secure random password of the good. Figure 4: diagram 4 do not install the file-sharing applications, many users are sharing some of the files. If you want to run this function, you should know the risks. Especially if you use this feature with workplaces, the share will not only their own files, but also involves the company's other users, and also the entire desktop to hand over to the other users illegally. Therefore, for security reasons, please do not install the file-sharing tool. Periodic upgrades used Windows users on Microsoft periodically releases OS and application patches have left a deep impression of "". But Microsoft releases patches of speed is far less Linux came fast. In the Linux world, a security vulnerability discovered, in a few hours or a few minutes you can publish their patches. KDE and Gnome support Panel of the update. Some people think that regular upgrades too much trouble, it is recommended that you do not deny security updates, these updates will certainly cause of publishing. Install anti-virus mechanisms do not feel that the virus causing system problems unlikely. The author recommends that you use a robust virus defense tools such as ClamAV so that you can protect your machines make mail does not contain harmful code, nor will it affect the company's network of other systems. SELinux worth a try SELinux well lock on the application of access control, although some people think that there is a satisfactory SELinux, as it may affect system performance, but you may find other applications to install. However, according to the author's experience, the SELinux security benefits to far outweigh its negative effects. The Fedora installation, you will have the opportunity of SELinux enabled. Figure

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