How to find a file starting and end blocks in Linux file system ?
We know in Linux, everything is a file with some blocks usage on hard disk. Suppose you want to know the starting and end blocks of any file in Linux....
Month: January 2018
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How to force filesystem check on a particular drive during system reboot in Linux ?
In this article, we will look at one of the interesting topic “how to force a filesystem to perform filesystem check during system boot next time”. The old trick was...
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How to verify if filesystem is opened in read-write mode in debugfs ?
Suppose you are in debugfs command line utility to debug some filesystem or file, and want to check: a. Which filesystem you ae debugging ? b. And if the filesystem...
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Steps to Undelete a file using debugfs in Linux.
In this article, we will look at the steps how to undelete a file using debugfs command in Linux. Suppose you have deleted some file on some partition and want...
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What is debugfs filesystem in Linux and how to mount it & make it persistent ?
In this article, we will look what is debugfs in-memory filesystem, it should not be confused with debugfs filesystem utility which we have seen yesterday. In the last example, we...
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Solved: debugfs: error undel: Filesystem opened read/only
Are you getting “filesystem read only” error while trying to undelete some inode/file. debugfs: undel: Filesystem opened read/only debugfs: undel 917831 undel: Filesystem opened read/only debugfs: It means the filesystem...
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A tip to easily delete very HUGE Files(50-300GB) in Linux ?
In this article, we will see how to delete very large files in Linux quickly and easily. We all know that we can delete rsing “rm -rf” command. [root@nglinux ~]#...
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What is debugfs in Linux and how to use this command ?
Today we will check out what is the use of debugfs utility in Linux and how we can use this to ease our life and for troubleshooting. First lets check...
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See file or filesystem status in Linux: stat command usage.
In this post we will look how to check the file or filesystem status in Linux. i.e. the powerful and most useful stat command usage in linux. Lets see how...
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How to get file creation time in Linux ?
As we have seen in this post how to get atime, mtime and ctime of a file. Lets see how to get crtime or file creation time in Linux. 1....