01-13-2008
The various versions of Unix vary quite a bit with something like kernel tuning. And even with HP-UX, the tools are evolving rather fast as HP moves toward dynamic reconfiguration. In general though, kernel tuning is reserved to root. Non-root users can be given access to root level commands via a tool like sudo. And prebuilt versions of sudo are available for HP-UX.
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1. HP-UX
I want to change some kernel parameters in HP-UX11, to do with Oracle upgrade/install.
I know this is done using SAM. I am told SAM will not let you enter values outside the allowable range. Could anyone tell me if they have experienced anything different?
In Solaris, I would copy the... (2 Replies)
Discussion started by: malcqv
2 Replies
2. AIX
I swapped out 2 72 gb disk drives for 2 146 gb drives, both of which spin at 15k.
Are there any I/O parameters I should modify or can modify to get the most out of the new disks?
Thanks,
Mike M. (1 Reply)
Discussion started by: gravy26
1 Replies
3. HP-UX
I've been trying to find out the following parameters of our Unix box:
==>OS version
==> patch level
and the following kernel parameters
=>maxfiles_lim
=>maxvgs
=>nproc
=>msgmni
=>ncsize
=>nfile
Could someone help me how would I find the above(commands)?
Thanks,
Bhagat (1 Reply)
Discussion started by: bhagat.singh-j
1 Replies
4. Solaris
Hi all
Seem to have a concurrent processes issue on a server of mine. At peak times, the application vendor reckons we need to up the amount, as it is reaching its limit and preventing any more processes.
Looking in /etc/system, nothing has been set, so server is running with default... (2 Replies)
Discussion started by: sbk1972
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5. AIX
Hello,
On Aix 5.2, we changed the parameters tcp_keepinit, tcp_keepintvl and tcp_keepidle with the no command.
tunrestore -R is present in inittab
in the directory /etc/tunables we can clearly see the inclusion of parameters during reboot, including the file lastboot.log
... (0 Replies)
Discussion started by: dantares
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6. Solaris
Hi gurus
Could anybody tell me which file is read by kernel to set its default system kernal parameters values in solaris. Here I am not taking about /etc/system file which is used to load kernal modules or to change any default system kernal parameter value
Is it /dev/kmem file or something... (1 Reply)
Discussion started by: girish.batra
1 Replies
7. Solaris
Dear All,
I want to check whether all essential kernel parameters are installed in my Solaris 10 System. Is there any way to find it.
And also how to tune it.
Kindly help.
Thanks and Regards
Rj (8 Replies)
Discussion started by: jegaraman
8 Replies
8. UNIX for Dummies Questions & Answers
Virtual Machine running on VMWare workstation 9.2
os : RHEL 5.8
RAM : 2.5GB
Swap : 2.6gb
CPU : 1 virtual CPU
Surprizingly I couldn't find much from googling on What exactly does Kernel parameters do ?
I was under the impression that kernel parameters just set the limits/maximum for a... (2 Replies)
Discussion started by: John K
2 Replies
9. AIX
Hi,
we've a gigabit Ethernet adapter. And we wanted to improve the performance by tuning network parameters. so' as per IBM info center,
http://publib.boulder.ibm.com/infocenter/aix/v7r1/index.jsp?topic=%2Fcom.ibm.aix.prftungd%2Fdoc%2Fprftungd%2Fnetw_opt.htm
we tried changing the tuning... (2 Replies)
Discussion started by: System Admin 77
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xcfa(1) Manual: Xcfa xcfa(1)
NAME
xcfa - GTK+ Implementation of the GNU shell command.
SYNOPSIS
xcfa [OPTION]... [FILE]...
-h, -help
Displays this help section and exits.
-version
Displays the version of the program and exits.
-verbose
Activate verbose mode
-systray
Activate systray mode
DESCRIPTION
Interface contains console tools (cdparanoia, lame, oggenc, ...).
Allows extraction of audio from DVD to .wav format.
Allows extracting audio from CD to formats such as: wav, mp3, flac, ogg, m4a, mpc, ape.
Allows encoding audio to: wav, mp3, flac, ogg, m4a mpc, ape.
Allows encoding the .wma format to: wav, mp3, flac, ogg, m4a mpc, ape.
Allows cutting of files.
Allows management of common file-types before converting.
Allows management of bitrates, frequencies, and channels.
Allows creation of CD covers.
Developed with Gtk2 and Glade and runs under the X window system on the GNU platform.
USAGE
After the first launch, go to the Options tab and modify the settings to your liking.
ADDING THE GPG KEY
With sudo:
$ wget http://download.tuxfamily.org/xcfaudio/download/xcfaudio.key.asc -O - | sudo apt-key add -
Without sudo:
$ su root
[Enter the password for root.]
# wget http://download.tuxfamily.org/xcfaudio/download/xcfaudio.key.asc -O - | apt-key add -
Another solution with root:
# gpg --keyserver subkeys.pgp.net --recv 00B21603DD5C7A79
# gpg --export --armor 00B21603DD5C7A79 | sudo apt-key add -
SOURCES.LIST
Add the following lines to your [ /etc/apt/sources.list ] file for automatic updates:
## Xcfa for i386 and amd64
deb http://download.tuxfamily.org/xcfaudio/xcfa dev contrib
deb-src http://download.tuxfamily.org/xcfaudio/xcfa dev contrib
COMPLEMENTARY PACKAGE INSTALLATION
:
See the Recovery and Complementary package installation guide:
http://www.xcfa.tuxfamily.org/index.php?static2/xcfa
CHANGELOG
Read the ChangeLog file and view the source code.
AUTHOR
XCFA is developed by Claude Bulin (xcfa@tuxfamily.org)
4.3.1 Wed, 23 May 2012 xcfa(1)