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Linux client/server configuration can have several points of failure. |
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BIOS configuration settings are set at the factory. The Linux installation can be started from a Linux boot diskette.
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Through the years this documentation got bigger and started to look more like a book and less then just simple scattered notes.
To make the floppies under MS-DOS, you need to use these commands (assuming your CD-ROM is drive D: and contain the Official Red Hat Linux 6.1 CD-ROM).
For performance, stability and security reason you must do something like the following partition listed bellow on your system.
The ucd-snmp package contains various utilities for use with the UCD-SNMP network management project.
Once all partitions have been formatted, the installation program starts to install packages.
case4emlinuxWp The Linux operating system has received a lot of Press lately as an alternative to Microsoft Windows.
However, it has also found a place in the network applications, acting as an office router, Internet firewall or as web and mail servers.
It has many of the same commands and programming interfaces Unix so that Unix people can easily work with it.
When Linux is used on a PC or workstation, the preferred Graphical User Interfaces (GUI) are based on X-Windows.
For simple embedded systems, this raises the complexity level, requiring more memory, interfaces, and more services of an operating system.
One issue that comes up is the need for a "real time" operating system.
splx11gsg http://www.trendmicro.com/ftp/documentation/guides/splx11gsg.pdf
Before installing and using the software, please review the readme files, release notes and the latest version of the Getting Started Guide, which are available from Trend Micro's Web site at: www.trendmicro.com/download/documentation/ A license to Trend Micro software includes the right to product updates, pattern file updates, and basic technical support for one (1) year, after which you must purchase renewal maintenance on an annual basis to continuing receiving these services.
For more information, please see the About section within the ServerProtect for Linux Web console.
Type the following at the command line: /etc/rc.d/init.d/splx start The message "ServerProtect for Linux is running" appears.
Linux_Vs_FreeBSD They had been doing so for a while because, admittedly, FreeBSD has had superior kernel design in areas like virtual memory manager (VM) and networking.
Now that the new Linux 2.4.0 kernel is out with a re-written TCP/IP stack, enhanced VM, and greatly improved IRQ handlers (and many other features), I thought I would take both the latest Linux and FreeBSD versions for a ride and compare the results.
At this point, it is important to note that I did not conduct a scientific benchmarking.
BSD was a very early source split from the original Bell Labs Unix operating system and was the first Unix-style OS to have TCP/IP and advanced a VM implementation.
The server was on two LANs: one the gigabit network, on which three more servers resided requested services from the Netfinity.
citi-tr-00-4 A comparison between the two interfaces shows that a server using our /dev/poll interface scales better than a server using RT signals.
Experts on server architecture have argued that servers making use of a combination of asynchronous events and poll() are significantly more scalable than today's servers in these environments [2, 3, 5].
A fundamental question is how great a server workload is required before polling is a more efficient way to gather requests.
Most clients are connected to the Internet via highlatency connections, such as modems, whereas servers are usually connected to the Internet via a few high bandwidth low-latency connections.
Practical-LDAP-and-Linux "Each node has 1 or many attribute values associated with it.
"Private enterprise number OID prefix is 1.3.6.1.4.1 eg.
We point a services auth at LDAP eg. /etc/pam.d/imap
"Any sendmail map can be defined using LDAP.
Below example is implemented with same schema as sendmail.
Allows easy updating and editing of directory information.
Can create templates for commonly used directory objects.
access-manager-linux
IBM Tivoli Access Manager solutions for Linux on zSeries take this powerful combination one step further by delivering a single enterprisewide security management solution that provides unified security management, single sign-on and access control across the e-business platform, ISV applications and native OS/390 and zOS applications and enhances the underlying Linux Operating System security with IBM RACF®-like capabilities.
For leading e-businesses that need to respond quickly to a changing and increasingly interlinked world, the marriage of the breadth and depth of IBM offerings with the dependability, value and innovation of Linux provides end-to-end solutions that can help fuel e-business growth.
Itanium_fact_sheet http://h10018.www1.hp.com/wwsolutions/linux/images/Itanium_fact_sheet.pdf
HP's services and support program smoothes the transition to Itanium and helps companies maximize the architecture's benefits in new and existing environments: Planning.
Assistance putting plans into action, including installation, startup services, SSL Web server implementation, security consulting and analysis, and data migration.
Because of the performance-enhanced HP zx1 Chipset, only precertified Linux distributions will run on HP's Itanium2-based systems.
Linux solutions and Linux ISV applications well-suited for Itanium2 include modeling and simulation, design and visualization, scientific research, and SSL acceleration.
HP Workstation zx2000 and HP Workstation zx6000 can be used for design and visualization tasks and later be repurposed as the basis for a cost-effective compute cluster.
linuxsos-1.0 A guide for information system, configuration, optimization and network security professionals.
For performance, stability and security reason you must do something like the following partition listed bellow on your system.
We suppose for this partition configuration the fact that you wan to setup a Web server with a Proxy Server on your Server Machine.
You first have to choose which system components you want to install.
Choose the components, and then you can go through and select or deselect each individual package of each component by selecting (Select individual packages) option.
SUID root programs are programs when ran, run at the level of root (God in the UNIX world).
sles_oracle The current version of SuSE's outstanding enterprise server product, SuSE Linux Enterprise Server 8 powered by United-Linux, is now certified for the superior database and clustering technology provided by Oracle®, Oracle9i Database and Oracle9i Real Application Clusters.
Oracle works closely with the leading Linux distributors such as SuSE, part of UnitedLinux, to test and optimize the operating system to effectively handle mission critical applications.
The close cooperation between Oracle's and SuSE's developers today allows more than 1.000 concurrent users on Oracle9i Database -- more than ever before.
Together with UnitedLinux, Oracle is committed to providing seamless support for Oracle customers to diagnose and fix Linux operating system issues and providing them with the critical fixes they need in a timely manner.
wp022407 In addition to being free of license charges, one of the advantages of Linux over commercial versions of UNIX is that it supports a broader range of hardware and software.
1. Free Distribution: The software license may not restrict any party from selling or giving away the software as a component of an aggregate software distribution containing programs from several different sources.
User accounts: The Linux architecture is structured so that all administrative power is vested in a single account called root.
Massive register set: There are 128 integer registers, 128 floating point registers, 64 predicate registers, 8 branch registers and various other registers used by the operating system to improve performance as well.
nptl-design http://people.redhat.com/drepper/nptl-design.pdf
It was not written with the kernel extensions we have now and in the near future available, it does not scale, and it does not take modern processor architectures into account.
The thread-local memory was instead located using fixed relationships between the stack pointer and the position of the thread descriptor.
1. Signals are delivered to a dedicated thread which does not execute any user code (or at least no code which is not willing to receive all possible signals).
The costs are increased complexity in the kernel which would have to implement a second signal delivery mechanism and the userlevel code has to emulate some signal functionality.
oct2001 Latest stable kernel is: 2.4.10 The latest prepatch (alpha) version appears to be: gotta ask yourself a question.
If you know better then you The latest - ac patch to the stable Linux kernel series is: 2.4.10- ac1 The latest FOLK (Functionally Overloaded Linux Kernel) is: 2.2.5 http://folk.sourceforge.net/ The latest when- I- was- a- boy- we- had- it- tough kernel is 2.0.40- pre1, the first prepatch for a 2.0.40 stable release.
Xine now has support for DivX and OpenDivX, as well as Quicktime encapsulated 3ivX.
PHPNuke 5.2 has an embarrassing vulnerability in its file manager function that can allow the creation and overwriting of arbitrary files on the server system.
portguideparisc The targeted audience of this document is software developers porting Linux and Open Source applications to HP-UX 11.0, 11i.
The libhplx Linux-compatible API library contains almost 200 Linux-compatible APIs in libhplx.sl, the related header files, and the library sources.
1. To turn on the use of the libhplx in the Linux application makefiles: If your Linux application has been confirmed to use configure, issue the following command.
Note: the archive libhplx.a will be obsoleted when the shared libhplx.sl is available with the HP-UX core runtime.
On HP-UX libhplx, it will always return -1.
Process scheduling, cancelling, suspending, and other activities are controlled via signals.
wp_lk_inux
Along with this growing popularity of Linux, there is a need growing need for companies to provide high availability solutions on those same web and application servers.
SteelEye's LifeKeeper for Linux brings availability to the Linux platform that enables Internet Service Providers (ISPs), Application Service Providers (ASPs), and enterprises to confidently run and maintain their applications on Linux.
Systems with features that help make the server more available, such as an Uninterruptible Power Supply (UPS) or mirrored disk, are said to have high availability.
This scenario allows application recovery between two nodes within the cluster that are connected to the same shared SCSI disk.
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