Releases/12/FeatureList. Bash Reference Manual. Table of Contents This text is a brief description of the features that are present in the Bash shell (version 4.4, 7 September 2016). The Bash home page is This is Edition 4.4, last updated 7 September 2016, of The GNU Bash Reference Manual, for Bash, Version 4.4. Bash contains features that appear in other popular shells, and some features that only appear in Bash. Some of the shells that Bash has borrowed concepts from are the Bourne Shell (sh), the Korn Shell (ksh), and the C-shell (csh and its successor, tcsh).
The following menu breaks the features up into categories, noting which features were inspired by other shells and which are specific to Bash. This manual is meant as a brief introduction to features found in Bash. 1 Introduction 1.1 What is Bash? Bash is the shell, or command language interpreter, for the GNU operating system. Bash is largely compatible with sh and incorporates useful features from the Korn shell ksh and the C shell csh.
Blank a. A | Linux commands. Configuration Files. 28. Network File System, NFS. Next: 29. Services Running Under Up: rute Previous: 27. DNS and Name Contents Subsections This chapter covers NFS, the file-sharing capabilities of UNIX, and describes how to set up directories shareable to other UNIX machines. As soon as one thinks of high-speed Ethernet, the logical possibility of sharing a file system across a network comes to mind. Consider your hard drive with its 10,000 or so files. Depending on your distribution, the following programs may be located in any of the bin or sbin directories. Portmap (also sometimes called rpc.portmap) This maps service names to ports. Rpc.mountd (also sometimes called mountd) This handles the initial incoming request from a client to mount a file system and check that the request is allowable. rpc.nfsd (also sometimes called nfsd) This is the core--the file-server program itself. rpc.lockd (also sometimes called lockd) This handles shared locks between different machines on the same file over the network.
(or /etc/rc.d/init.d/). List of free and open source software packages - Wikipedia, the. From Wikipedia, the free encyclopedia This is a list of free and open-source software packages, computer software licensed under free software licenses and open-source licenses. Software that fits the Free Software Definition may be more appropriately called free software; the GNU project in particular objects to their works being referred to as open-source.[1] For more information about the philosophical background for open-source software, see free software movement and Open Source Initiative.
However, nearly all software meeting the Free Software Definition also meets the Open Source Definition and vice versa. A small fraction of the software that meets either definition is listed here. Some of the open-source applications are also the basis of commercial products, shown in the List of commercial open-source applications and services. Artificial intelligence[edit] General AI[edit] OpenCog – A project that aims to build an artificial general intelligence (AGI) framework. Planning[edit]
Linux NFS faq. B1. What can I do to to improve NFS performance in general? A. Review the performance section of the NFS Howto doc and then look at several things: How fast is the disk IO speed on your server(s)? B2. A. Note that this limitation becomes especially significant for hardware that supports larger pages. Finally, note that the maximum transfer size permitted by the Linux server (NFSSVC_MAXBLKSIZE) is set to 32KB when applying all patches involved with the implementation of NFS over TCP in the 2.4 kernels. B3. A. For the Linux NFS client, however, the problem is somewhat worse because it is an anonymous file system.
Usually you won't need more than ten or twenty total NFS mounts on any given client. You may also run into a limit on the number of privileged network ports on your system. B4. A. When set to "sync," Linux server behavior strictly conforms to the NFS protocol. First problem: The default value of this export option on Linux NFS servers before nfs-utils-1.0.1 was "async". B5. A. A. Network File System (protocol) - Wikipedia, the free encyclopedi. Network File System (NFS) is a distributed file system protocol originally developed by Sun Microsystems in 1984,[1] allowing a user on a client computer to access files over a network much like local storage is accessed. NFS, like many other protocols, builds on the Open Network Computing Remote Procedure Call (ONC RPC) system. The Network File System is an open standard defined in RFCs, allowing anyone to implement the protocol.
Versions and variations[edit] Sun used version 1 only for in-house experimental purposes. NFSv2[edit] NFSv3[edit] Version 3 (RFC 1813, June 1995) added: support for 64-bit file sizes and offsets, to handle files larger than 2 gigabytes (GB);support for asynchronous writes on the server, to improve write performance;additional file attributes in many replies, to avoid the need to re-fetch them;a READDIRPLUS operation, to get file handles and attributes along with file names when scanning a directory;assorted other improvements.
NFSv4[edit] Other extensions[edit] Rsnapshot. Rsnapshot HOWTO. Rsnapshot. Ports / Packages rsnapshot has been included natively into the ports trees and/or package repositories of the distributions below. Many thanks to the maintainers! DebianGentoo LinuxSuSE Linux Enterprise 10.1UbuntuMandriva FreeBSDNetBSDOpenBSD OpenDarwin Download rsnapshot Download the PGP Public Key to verify releases This release of rsnapshot provides new features and bug fixes. The files above can also be downloaded from SourceForge, or you can download older releases. Lchown If you see warnings like Could not lchown() symlink, then you should be able to fix them by installing the perl Lchown module.
Or an alternative (if you have CPAN installed) is to run perl -MCPAN -e 'install qw(Lchown)' as root from a shell. 17.2. Upgrading Your System. Copyright © 2013 Red Hat, Inc. and others. The text of and illustrations in this document are licensed by Red Hat under a Creative Commons Attribution–Share Alike 3.0 Unported license ("CC-BY-SA"). An explanation of CC-BY-SA is available at The original authors of this document, and Red Hat, designate the Fedora Project as the "Attribution Party" for purposes of CC-BY-SA. In accordance with CC-BY-SA, if you distribute this document or an adaptation of it, you must provide the URL for the original version.
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Here are a few of the new things you can expect to see when you try out Fedora 13. Desktop users System Administrators If you spend your day managing how other people around you use Linux, Fedora 13 is loaded with features that will make your life even easier. Developers Are you a hacker who loves to play with open source? Join.
Linux NFS faq. Linux NFS faq. Easy Steps to set up NFS in your Computer or Server Network - Ji. Network File System [NFS] is a very effective way of sharing files and data across your Unix/Linux network. NFS offers a neat functionality that fits perfectly into the Unix/Linux filesystem. Simply mount a directory off another machine on your network and read from or write to it; even run applications from it, that’s completely transparent! Following are the steps to achieve NFS facility in your network. You need to set up two kinds of services of NFS that is NFS Server at file sharing server and NFS Clint at Clint or user side servers.
Setting Up an NFS Server: -Install NFS-Server application in servers which ever you want to share. Apt-get install nfs-kernel-server oryum install nfslock portmap nfs -Place an entry in /etc/exports /usr/local 192.168.0.1(ro) 192.168.0.2(ro) /home 192.168.0.0/255.255.255.0(rw) Here we are sharing ‘/usr/local’ with read-only and ‘/home’ with write permission. -The NFS server is configured and we can start it running. Setting up an NFS Client: umount /mnt/home. Rute. Linux Journal Insider. Shawn and Kyle discuss our Community issue this month with their little community of two. While certainly one is the loneliest number, two isn't much better, so join them in this month's Linux... This is our Cool Projects issue, so Shawn and Kyle share its coolness with you. They also talk about things that need cooling, like beer and server rooms. (NOTE: It may be dangerous to combine beer... This month, Shawn and Kyle discuss sticks of bubble gum and horror movie spider robots.
Well, OK, maybe not exactly. This month, Shawn and Kyle attempt to soothe your insecurities with our Security issue of Linux Journal. This month, Shawn and Kyle discuss a topic they both know very little about: Web development. This month, Shawn and Kyle talk about the tools they keep in their pockets. This month we focus on the desktop. Shawn and Kyle kick off the 2011 calendar with one of their favorite issues, or at least one of the issues they relate to the most; System Administration! Configuration Files. Linux. This section contains a large amount of tutorials and information about Linux. It contains eleven tutorials written similar to book format on various aspects of Linux. It also contains, Linux editorials, Linux tips and Linux weblinks including links to The Linux Documentation Project and Metalab's Index of Linux publications. Agustin's Linux Manuals The Computer Documentation Project is proud to host four volumes of Agustin Velasco's Series about Linux.
Agustin has generously made these manuals available to the public through this site. These manuals are: Volume 1 - Installation and Internet - Includes Chapters 1 and 2 which cover the installation, partition types, mount points, package selections, configuring services, the boot mode, configuring X, creating users, configuring dial up, modems, high speed internet, DSL, configuring ISDN, routers, login protocols, and more. Additional Linux Tutorials Documentation Background and Purpose. Firebird - The RDBMS that's going where you're going. Firebird Documentation Index. The Firebird Project supplies users, developers and administrators with various kinds of documentation, from Quick Start guides to expert-level articles devoted to various aspects of Firebird. In the left menu you will find the following sections: Release Notes — each Firebird release is accompanied with a "Release Notes" document, which contains description of new features and fixed bugs.
In this section you will find all release notes. Reference Manuals — this section contains Quick Start guides for new users and various guides devoted to specific topics. White Papers & Presentations — in this section there are numerous white papers and presentations regarding Firebird-related topics.