Posts tagged as:

filesystem

How To Use UUID To Mount Partitions / Volumes Under Ubuntu Linux

Q. Can you explain UUID concept related to Linux ext3 partitions and storage devices? How do I update /etc/fstab using UUID under Ubuntu Linux or any other Linux distro?

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Linux: Recover Corrupted Partition From A Bad Superblock

Q. How can I Recover a bad superblock from a corrupted ext3 partition to get back my data? I’m getting following error:

/dev/sda2: Input/output error
mount: /dev/sda2: can’t read superblock

How do I fix this error?

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Linux Optimize Directories ( File Access Time ) in ext3 Filesystem

Q. I’m using CentOS Linux 5 server with ext3 on /disk2 (/dev/sdb1). How do I improve my file server performance. I’ve many large files in directories and how do I speed up access time?

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How to: Find the inode size of an ext2 / ext3 filesystem

Q. I need to find out inode size of my ext3 file system for recovery purpose. How can I find the inode size of an ext2/ext3 filesystem?
A. You need to use tune2fs command, which allows the system administrator to adjust various tunable filesystem parameters on Linux ext2/ext3 filesystems.
Find the inode size of the filesystem
The -l [...]

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Linux / UNIX: Cannot Preserve Ownership Error when Files are Moved or Copied

Q. I’m using CentOS Linux. I’m getting an error – Cannot Preserve Ownership, when I try to copy files from Linux ext3 to FAT32 or files moved to an NFS NAS server mount point. How do I fix this error and copy / move files?
A. Generally you use command like cp or my to copy [...]

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Examining the Linux / FreeBSD / UNIX filesystem with ls command

Q. I’m new to Linux and how do I examine filesystem and identify regular files or directories?
A. Both Linux and UNIX comes with ls command for examining the filesystem. You can use ls command to look at the filesystem. ls command can display:
=> Character devices
=> Regular files
=> Sym links (symbolic links)
=> Directories
=> Pipes
=> Sockets
=> Block [...]