16 articles tagged "filesystem"

mount forcedirectio: Disable Linux CIFS / NFS Client Caching

If your network is heavily loaded you may see some problem with Common Internet File System (CIFS) and NFS under Linux. By default Linux CIFS mount command will try to cache files open by the client. You can use mount option forcedirectio when mounting the CIFS filesystem to disable caching on the CIFS client. This is tested with NETAPP and other storage devices and Novell, CentOS, UNIX and Red Hat Linux systems. This is the only way to avoid data mis-compare and problems.
How To Use vi as Default Editor and Viewer in Midnight Commander

Midnight Commander (mc) is an user-friendly text-based file manager UI for Unix. Using mc, you can browse the filesystem easily and manipulate the files and directories quickly. You will not miss the standard command line prompt, which is also available within the mc itself. If you are new to mc, Midnight Commander (mc) Guide: Powerful Text based File Manager for Unix article will give you a quick jumpstart. In this article, let us review how to solve couple of common annoyance about viewing a file in mc.
Hans Reiser Guilty of First Degree Murder
Today Hans Reiser was found guilty of first degree murder in Oakland, California - In a murder case with no body, no crime scene, no reliable eyewitness and virtually no physical evidence, the prosecution began the trial last last November.
Download of the day: Linux Kernel 2.6.25
Linux kernel 2.6.25 has been released and available for download from the official website. After nearly three months of development and the merging of over 12,000 patches from almost 1200 developers, this kernel is now considered ready for wider use. Highlights of this release include the ath5k (Atheros wireless) driver, a bunch of realtime work [...]
Download of the day: FreeBSD 7.0 ISO / CD Image
FreeBSD 7.0 stable has been released and available for download. FreeBSD is back to its incredible performance. According to some benchmarks on both Intel and AMD 64 bit systems FreeBSD 7.0 being faster than Linux 2.6 when running PostreSQL or MySQL. It has experimental support for Sun’s ZFS filesystem. gjournal can be used to set [...]
Comparison: Linux and UNIX ~ ZFS vs XFS vs EXT4 filesystem
This is an interesting filesystem comparison. If you are looking to build cheap storage for personal use file system decision is quite important:
This is my attempt to cut through the hype and uncertainty to find a storage subsystem that works. I compared XFS and EXT4 under Linux with ZFS under OpenSolaris. Aside from the different [...]
Why my Linux server ext3 filesystem go read-only?
From my mailbag:
We have 5 Dell server collocated running CentOS 4.x and 5.x server operating system. Sometime my file system (ext3) goes read-only. I’d like to know what could be causing such a problem?

My guess:
a) Hardware problem / hard disk problem, check harddisk for errors.
b) High disk I/O aka busy I/O retry error can [...]
ZFS on Linux using FUSE
Linus Torvalds called ZFS one of the very few bright spots in Solaris. ZFS released under Sun’s Common Development and Distribution License. Linux is under GPL v2 which makes ZFS incompatible with Linux. I’ve used ZFS under Solaris and it is absolutely rocking file system.
Now this hot feature from OpenSolaris is taking a weird [...]
Configure lighttpd alias (mod_alias)
This lighttpd module provides for mapping different parts of the host filesystem in the document tree. You can use it for mapping various directories. For example cgi-bin directory mapped to /var/lib/cgi-bin. The alias module is used to specify a special document-root for a given url-subset.
Configuration
Open your lighttpd configuration file:
vi /etc/lighttpd/lighttpd.conf
Append/add mod_ alias to list of [...]
Shell script to watch the disk space
df displays the amount of disk space available on the file system containing each file name argument. If no file name is given, the space available on all currently mounted file systems is shown. Read man page of df if you are new [...]