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3. Editing text filesin Linux Red Hat
Editing Text Files Editors are by the far the bulkiest of common tools, but they are also the most useful. Without them, making any kind of change to a text file would be a tremendous undertaking. Regardless of your Linux distribution, you will have gotten a few editors. You should take a few moments to get comfortable with them before you’re busy fighting another problem. NOTE Although all of the editors listed here come with Red Hat 8, not all of them are installed by default. ...
4. Linux is built upon the foundation of file systems
File Systems Linux is built upon the foundation of file systems. They are the mechanisms by which the disk gets organized, providing all of the abstraction layers above sectors and cylinders. In this module, you’ll learn about the composition and management of these abstraction layers supported by the default Linux file system, ext2, and its more robust counterpart, ext3. This module covers the many aspects of managing disks. This includes creating partitions, establishing file systems, automating the process ...
5. Mounting and Unmounting Local Disks
Linux’s strong points include its flexibility and the way it lends itself to seamless management of file locations. Partitions are mounted so that they appear as just another subdirectory. Even a substantial number of file systems look, to the user, like one large directory tree. This characteristic is especially helpful to the administrator, who can relocate partitions to various servers but can have the partitions still mounted to the same location in the directory tree; users of the file system need not know abou...
6. The fsck tool short for File System ChecK
Using fsck The fsck tool, short for File System ChecK, is used to diagnose and repair file systems that may have become damaged in the course of daily operations. Such repairs are usually necessary after a system crash in which the system did not get a chance to fully flush all of its internal buffers to disk. (Although this tool’s name bears a striking resemblance to one of the expressions often uttered after a system crash, that this tool is part of the recovery process is strictly coincidence.) Us...
7. The process of adding a disk under Linux on the Intel
Adding and Partitioning a Disk The process of adding a disk under Linux on the Intel (x86) platform is relatively easy. Assuming you are adding a disk that is of similar type to your existing disks (e.g., adding an IDE disk to a system that already has IDE drives or adding a SCSI disk to a system that already has SCSI drives), the system should automatically detect the new disk at boot time, and all that is left is partitioning it and creating a file system on it. If you are adding a new type of disk (...
8. With the partitions created you need to put file systems on them
Syncing disks. WARNING: If you have created or modified any DOS 6.x partitions, please see the fdisk manual page for additional information. [root@tedford /root]# If you needed to write an /etc/fstab file yourself for this configuration, it would look something like this: /dev/hdb1 / ext3 defaults 1 1 /dev/hdb2 swap swap defaults 0 0 /dev/hdb3 /usr ext3 defaults 1 2 /dev/hdb5 /home ext3 defaults 1 2 /dev/hdb6 /var ext3 defaults 1 2 /dev/hdb...
9. Mounting NFS partitions works much the same way as mounting local partitions
Mounting NFS Partitions Mounting NFS partitions works much the same way as mounting local partitions. The only difference is in how the partition is addressed. On local disks, partitions are addressed by their device name, such as /dev/hda1. In NFS mounts, partitions are referenced by their hostnames and export directories. Thus, if the server named ungerer is allowing your host to mount the directory /export/SL1200/MK2 and you want to mount this to /projects/topsecret1, you would use this command:...










