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Category Archives: RHCSA

According to the rpm man page description: “rpm  is  a  powerful Package Manager, which can be used to build, install, query, verify, update, and erase individual software packages.  A package consists of an archive of files and meta-data used to install and erase the archive files. The meta-data includes helper scripts,  file  attributes, and  descriptive  information about […]

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July 5, 2017 Linux, RHCSA
Jd

In the previous two posts we looked at the basic permissions for Linux File System and the umask concept and how that works. In this post, we will look at special permissions for Linux File System. The basic permissions are great and we can do a lot with them but then there are times when […]

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June 29, 2017 Linux, RHCSA
Jd

In the previous post Linux File System Permissions – Basics we learned about the basic permissions on files and folders. How does the system know what are the default permissions when you create a file/folder? Let’s create a new file as an ordinary user.

So, I added a file called examplefile as user anna. The […]

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June 29, 2017 Linux, RHCSA, Uncategorised
Jd

I have always admired the way Linux handles permissions and I feel it’s a fool proof system. I was well aware of the User, Group and Other permissions set on files and folders and I had also read about umask, special permissions and ACLs but I never bothered looking too much into details for these […]

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June 23, 2017 Linux, RHCSA
Jd
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