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Operating Systems
Solaris
I need your help.
Post 302233309 by matrixmadhan on Sunday 7th of September 2008 04:26:03 AM
09-07-2008
Sorry, if that was such a bad reply.
Truly, the problem in statement is "check for every 'n' units of time". If it has to be checked for 'n' units of time then for the each slice of time the file has to be definitely opened, parsed through, validated or checked against and then closed again.
This has to be definitely done by a process. Using crond for that is ruled out ( as said by you ). So, another process that does a minimal of crond ( a real minimal ) is needed.
Whats wrong with the suggestion I had posted ? For every 'n' units of time, the process is going to wake up and going to do its job; rest of the time it would be in sleep mode so its not blocking the run queue of the runnables nor using up a considerable time slice in doing not-so useful while (1) or something like that.
Any, event tracker or event notifier has to work with the resource ( open, read, close ) and then inform the process blocking on the event notifiers/trackers.
Or, did you mean something else ?
Experts here might post different and better solutions
Truly, the problem in statement is "check for every 'n' units of time". If it has to be checked for 'n' units of time then for the each slice of time the file has to be definitely opened, parsed through, validated or checked against and then closed again.
This has to be definitely done by a process. Using crond for that is ruled out ( as said by you ). So, another process that does a minimal of crond ( a real minimal ) is needed.
Whats wrong with the suggestion I had posted ? For every 'n' units of time, the process is going to wake up and going to do its job; rest of the time it would be in sleep mode so its not blocking the run queue of the runnables nor using up a considerable time slice in doing not-so useful while (1) or something like that.
Any, event tracker or event notifier has to work with the resource ( open, read, close ) and then inform the process blocking on the event notifiers/trackers.
Or, did you mean something else ?
Experts here might post different and better solutions
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install-solaris
install-solaris(1M) install-solaris(1M) NAME
install-solaris - install the Solaris operating system SYNOPSIS
install-solaris install-solaris invokes the Solaris Install program. Depending on graphical capability and available memory at the time of invocation, install-solaris invokes either a text-based installer or a graphical installer. The following minimum requirements for physical memory dictate which features are available during installation: For SPARC machines: 128 MB Minimum physical memory for all installation types 128 MB Minimum physical memory required for windowing system 384 MB Minimum physical memory required for graphical-based installation For x86 machines: 256 MB Minimum physical memory for all installation types 256 MB Minimum physical memory required for windowing system 512 MB Minimum physical memory required for graphical-based installation In some cases, even if the minimum physical memory is present, available virtual memory after system startup can limit the number of fea- tures available. install-solaris exists only on the Solaris installation media (CD or DVD) and should be invoked only from there. Refer to the for more details. install-solaris allows installation of the operating system onto any standalone system. install-solaris loads the software available on the installation media. Refer to the for disk space requirements. Refer to the for more information on the various menus and selections. See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcdrom (Solaris instal- | | |lation media) | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ pkginfo(1), install(1M), pkgadd(1M), attributes(5) It is advisable to exit install-solaris by means of the exit options in the install-solaris menus. 23 Sep 2005 install-solaris(1M)