If an open file is deleted accidentally, it is possible to use lsof to recreate a copy of the file; provided this is done before the file is closed by the application holding it open.
If you have inadvertently removed a file from the filesystem it is still recoverable if the application using the file it still running. This is because the inode is still open and therefore the data blocks are still on the disk until the application closes the file or exits.
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Have you ever wondered what all the folders on the root (/) directory of the Linux filesystem are for? Which file goes into which directories and why are they saved in those directories? On this post, we’ll check out each folder and what purpose or function they serve for the operating system itself. Continue reading “The Linux Filesystem Explained”
If you are installing an application on HP-UX (usually Database programs) and it requires specific kernel parameters, you can make adjustments using the kctune command. Here’s an example of changing kernel parameters on HP-UX.
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In HP-UX if you need to adjust an existing LVM Volume Group Max Size to accommodate a new physical disk, here is an example which use the vgmodify command.
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