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Understanding Linux File Permissions

Although there are already a lot of good security features built into Linux-based systems, one very important potential vulnerability can exist when local access is granted - - that is file permission based issues resulting from a user not assigning the correct permissions to files and directories. So based upon the need for proper permissions, I will go over the ways to assign permissions and show you some examples where modification may be necessary.

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Streamlining Software Installation with PackageKit

Software packaging is one of Linux greatest strengths and weaknesses. If all or most of your software comes from your Linux distribution, managing software installs, updates and removal are a piece of cake. But, it can be a fragmented landscape that is confusing for users and annoying for developers and vendors. PackageKit is an attempt to solve some of that.

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Weekend Project: Transition to IPv6

Internet Protocol version 4 (IPv4) has certainly served the world well over the past few decades, but that's no reason to cling to it until the bitter end. You can start using its replacement IPv6 on your Linux machines and home network today.

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Linux 101: Introduction to sudo

There are two ways to run administrative applications in Linux. You can either switch to the super user (root) with the su command, or you can take advantage of sudo. How you do this will depend upon which distribution you use. Some distributions enable the root user (such as Fedora, Red Hat, openSuSE), while some do not (such as Ubuntu and Debian). There are pros and cons for each.

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Easy Package Creation with CheckInstall

Need a fast way to create a Debian Package, RPM or Slackware package? If you need to install software from source, but don't want to take the time to learn how to create packages, there's an easier way. CheckInstall is your fast ticket to installable packages.

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