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Unix how to improve unix

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Improving UNIX server performance NOTES.INI settings Most NOTES.INI settings that affect IBM® Lotus® Domino® server performance apply to all UNIX® platforms.
NSF_Buffer_Pool_Size_MB Many machines that run UNIX have very large amounts of physical RAM. Use the parameters NSF_Buffer_Pool_Size_MB or PercentSysAvailable Resources to control how much memory Domino is allowed to use. Each Domino instance on a UNIX machine can reference a maximum of 4GB of RAM.
Disk and memory requirements When a UNIX system runs Domino server software, the server must have enough disk space for program and data files and enough memory to handle swapping and the number of processes. You can also change several system parameters to improve server performance.
Disk I/O tuning Maintaining multiple file systems for operating system files, swap space, transaction logs, and data improves overall server performance.
Use RAID 0+1 hardware for the disk drives on which the data files reside. Use multiple smaller disk drives instead of a few large disk drives for Domino data. Domino does not perform simple predictable sequential reads; therefore, disable Read Ahead Cache and enable Write Cache.
Keeping swap space on its own separate striped volumes improves server performance at high loads. The transaction logs should always be on the most reliable and highest performing disk subsystem available to the system hosting the Domino server. Transaction logging must be on its own disk drives for improved server restart time, reliability, and availability. The logged transactions are written to disk as fast serial writes to a sequential file that is of configurable size in 4K blocks.
Console and database logging To improve server performance, limit the amount of information that is logged to the log file (LOG.NSF) and the console.

Posted on Feb 28, 2009

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What is unix and how do I use it?


Unix is a multi user multi tasking operating system. Mainly using for scientific process and database storage with well security. You can install ubuntu 12.04 LTS to learn Unix in GUI environment.

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Windows and unix are 2 separate and distinct operating systems.
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The logic card of my TallyGenicom 6312L line printer has been repaired. it is not working on Unix OS but working in Windows envirinment. what is the solution?


The solution depends very much on the cause of the problem. I note that you can print from Windows, this indicates the intrface you are using is functioning correctly and it should therefor be possible to print from Unix to the same interface if it is connected to the Unix system. If the printer is connected via a network interface, check the IP address on the printer to ensure it matches the IP address set up for the Unix print queue. Try pinging the printer from Unix. Ensure the EMULATION setting on the printer matches the Device Type selected on Unix. You may need to identify if any data is being sent for Unix perhaps try sending a test text file to the printer. A common cause for printers not printing from Unix is no Carriage Returns or Line Feed commands in the data. Try setting Auto CR to ON in the printer, of this does not work try setting Auto LF to on. If there is still a problem please post the connection method and also any errors or symptoms seen when printing from Unix

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How to install unix sco kindly give full details


start the computer with the Unix disk in the drive.
Choose the option to run unix without installing to the pc.....(this runs without a HDD>Itll take some time but let it install all the way, and as system is fully running..Choose "install unix " from the drop down menu.
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UNIX suitable for biginers


I would like to humbly state, if you are completely new to Unix it may be in your advantage to start with a flavor of Linux.

Poseidon Linux is specifically geared towards the scientific community, and contains many applications and tools centered around those needs.

Here's a download link for Poseidon in English:
http://poseidon.linuxfreedom.com/

Scientific Linux, which is geared towards your ambitions is based of the Red Hat Distribution, which allows for easy installation via "Red Hat Package Management" or RPM.

Here's a link to Scientific Linux:
https://www.scientificlinux.org/

Should you feel that a true Unix experience is required, the choice of Unix would be up to you. The reason why you would have to choose a Distribution on your own is because mostly all Flavors of Unix do not come with mission-specific applications installed.

You can get Unix in both Open (Free) or Licensed.
Try this link for different flavors:
http://www.crucialp.com/resources/tutorials/dedicated-server/unix-flavors-flavours-distributions.php

Hope this information has been helpful.

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1 Answer

What are the differences between windows vista and unix


Hi,

Hmmm... This is a BIG question, and it has a HUGE answer.
Have you ever seen Unix and Vista? I think you would immediately see the difference between the two.
1. Vista has a Graphic User interface, Unix is a command line interface.
2. Totally different systems (Filesystem, application, Kernel... whatever)
3. Age - Unix is ooold, and Vista is new (Unix dates back from the 1980's)

Well i can go on like this for days ...Google it more.

Darko, Serbia

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I am in new in unix operating system please suggest me


Try these links

http://www.debianhelp.co.uk/commands.htm
http://www.linuxlots.com/~jam/guide4.html

http://tldp.org/LDP/Linux-Filesystem-Hierarchy/html/

You will be familier with linux once you understand the files system...

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I want to download unix os for free how can i do this


Hi,
Please click on the below link and select version of unix you want to download like Solaris, Fedora etc... Click on that link and select the free option. You need to login once before downloading..

http://www.tech-faq.com/download-unix.shtml

Thank you...

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Unix


Find a copy of "UNIX FOR DUMMIES", and read it.

Nov 05, 2008 | Computers & Internet

3 Answers

What is the difference between unix and linux


UNIX is a operating system which has only command user interface, and if the unix is installed in the system you cant install any other operating system after that ... one separate system must be allocated for the unix ...

LINUX is the graphical user interface and it supports multiple operating system ..

UNIX and LINUX are almost same, almost all commands which supports in UNIX supports in LINUX too .. with some extended features just like GUI(GRAPHICAL USER INTERFACE),SECURITY,MULTI USER,MULTI TASKING,etc

COMMAND USER INTERFACE - the input is made to the computer by using commands and the output is obtained by command or by printer ...

GRAPHICAL USER INTERFACE- the input is provided to the computer through the other input devices like mouse,joystick etc
the input is provided either by command or by the just clicking the mouse on the particular icon ...

example for graphical user interface is windows,Macintosh etc ...


thank you
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Aug 19, 2008 | Microsoft Windows Server Standard 2003 for...

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