Wednesday, March 31, 2010

[Java] Sturts Framework

 

how to learn sturts, i know servlet/jsp vey well. Which site help me to learn sturts from begning..

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[LINUX_Newbies] Re: Mint help needed

 



--- In LINUX_Newbies@yahoogroups.com, "eric z" <mrsilverman_32@...> wrote:
>
> Thank you all for your help before with ny other problems but Mint will not laod for me i have burned a copy with Brazo cd burner.I also have the bios set up but it will not load it to install it does reconize my Ubuntu boot disk though.I am running a Compaq prisario with 1 gig ram a 120 hard disk an have a lightscribe burner.If that helps any im running Ubuntu 9.10 as well.
>

I would look at your boot disk for Mint. If the computer will run
Ubuntu, it will run Mint. The proper way to burn it is to find it in a
file manager. For instance start with the menu "Places" followed by
"home folder". Then navigate to the location of the ISO file. Right
click on the ISO file and select "Write to Disk." That will burn
it correctly. Also, did you check the MD5 checksum on the downloaded
file verses what it should be according to the MD5 number from the
download site? Also, you might burn with a lower speed.

Loyal

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Re: [LINUX_Newbies] Mint help needed

 

On Tue, Mar 30, 2010 at 20:33, eric z <mrsilverman_32@yahoo.com> wrote:
> Thank you all for your help before with ny other problems but Mint will not laod for me i have burned a copy
> with Brazo cd burner.I also have the bios set up but it will not load it to install it does reconize my Ubuntu boot
> disk though.I am running a Compaq prisario with 1 gig ram a 120 hard disk an have a lightscribe burner.If that
> helps any im running Ubuntu 9.10 as well.

eh hemmm... more info Eric...

When you try booting Mint from that CD, does the CD even boot? Does
the system TRY to boot from it but fail? Does it start booting then
crash? what what what?

Also, are you sure the ISO you downloaded and burnt was good, and are
you sure you're CD is good?

If the iso is off by even one bit during download, that could be the
difference between booting and not booting or even being seen by the
system at boot time.

Another thing, what kind of CD? do you have good, quality CDs, or did
you use the cheapest thing available?

In my experience, the cheapo media (CD and DVD both) only work about
60% of the time, while the name brand stuff (I but mostly Sony only
these days) works about 99% of the time.

Heh.. the last time I bought a 100CD spindle of generic CD-Rs, right
at about 45 of them were useless...

So please tell us more about what's going on, and could you PLEASE,
slow down a bit and type things out so that they make a little more
sense? If I understand your post correctly, and I'm not sure I do,
you have a Compaq Presario with 1GB RAM and a 120GB hard disk, and a
lightscribe burner. That Compaq is running Ubuntu 9.10.

You downloaded a Mint ISO and burnt it using Brazo? (you mean
Brasero?) and when you try to boot from the CD you just made,
something happens, but at this point, I'm not sure what that something
is, other than a failure of some sort.

Also, look at the place you downloaded your MINT iso from. in the
directory where the ISO was, there should be a list of MD5SUMS or a
file called MD5SUMS. that's the checksum of the iso.

Check the ISO you downloaded from a terminal like this:

md5sum FILENAME.ISO

where FILENAME.ISO is the filename of the Mint ISO you downloaded.

You'll get a big long string of numbers and letters.

Compare that to the MD5SUM from Mint and if they are different in ANY
way, then your download was bad and you need to do it again.

Now, you can also download that MD5SUM file, put it in the same
directory where your ISO image is, and do this:

md5sum -c MD5SUMS

where MD5SUMS is the file name of the text file that contains all the
MD5SUM entries.

Make sense?

Good Luck!

Jeff

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[Java] Re: merge excel files in java

 

Ya just find out on web about POI its an apache project.
Its very easy to use opensource API.

--- In Java_Official@yahoogroups.com, suren.1988@... <no_reply@...> wrote:
>
> I have two different report files(say report1 and report2) in excel. I
> want to merge these two excel files in single excel file with sheet1
> for report1 and sheet2 for report2. Is there any way to do this in
> java? if you have sample code please post it.
>

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[nslu2-linux] Re: Lifecycle when booting (only using) USB thumb drive.

 

I ran an unslung slug for 2 and a half years off of a 512mb thumbdrive without problems--and without doing anything about swap (ymmv)--until I repurposed the slug (the drive is still working holding files for an mp3 player).

That said, openWrt can install completely in flash and do what you have said you want to do. I have 2 slugs in different locations doing that--monitoring temperatures and reading other sensors--no usb drive is needed. I don't use one-wire, tho--I communicate with a PICAXE microprocessor which reads the sensors and sends messages via serial to the slug--through a usb serial dongle.

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Re: [nslu2-linux] Lifecycle when booting (only using) USB thumb drive.

 

Thanks Mike,
Your use seems very much like mine. I am currently testing the Unslug build but I will certainly keep the SlugOS in mind.
I will connect mine to a Dovado UMR with a Tellstick so I can use the Slug to turn on heating if I need to.
RRDtool is doing some graphs and the Dovado UMR is suppling the internet connection via a mobile broadband connection.
/Emil


Mike Westerhof (mwester) wrote:

 

Emil Granström wrote:
> Hello. I am a newbie here using the slug.
> I will be using the slug for temp meassurements using OWFS in our
> cottage, I will generate graphs and alarms for critical temps.
> I will be runing the slug from a 4GB USB thumbdrive. To reduce the
> access of the disk I have done the "touch /.ext3flash" command.
>
> I assume this question is a bit hard to comment on but can anyone give
> me a hint on what to expect when it comes to the lifecycle of the USB
> drive ?
> If the slug is on 24-7 how long can it be before I can expect problems ?
> Are we talking week, months, years or what ?
> I hope someone with a bit more handson experience can comment or share
> some insights.
>

I have a slug installed at an old house I have been working to
refurbish. It uses a network of one-wire sensors to monitor temperature
inside, but more importantly it measures the temperature of a few water
pipes that are prone to freezing, and monitors the very old boiler to
alert me should it fail.

I use a 2 GByte flash drive -- the NSLU2 has been running without a
reboot or restart since early last fall.

By-the-way, I use SlugOS -- if you find Unslung to be too old and too
"non-linux" in nature, you might try installing SlugOS 5.3-beta and then
installing owfs from the "unstable" feeds.

-Mike (mwester)

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Re: [nslu2-linux] Lifecycle when booting (only using) USB thumb drive.

 

Emil Granström wrote:
> Hello. I am a newbie here using the slug.
> I will be using the slug for temp meassurements using OWFS in our
> cottage, I will generate graphs and alarms for critical temps.
> I will be runing the slug from a 4GB USB thumbdrive. To reduce the
> access of the disk I have done the "touch /.ext3flash" command.
>
> I assume this question is a bit hard to comment on but can anyone give
> me a hint on what to expect when it comes to the lifecycle of the USB
> drive ?
> If the slug is on 24-7 how long can it be before I can expect problems ?
> Are we talking week, months, years or what ?
> I hope someone with a bit more handson experience can comment or share
> some insights.
>

I have a slug installed at an old house I have been working to
refurbish. It uses a network of one-wire sensors to monitor temperature
inside, but more importantly it measures the temperature of a few water
pipes that are prone to freezing, and monitors the very old boiler to
alert me should it fail.

I use a 2 GByte flash drive -- the NSLU2 has been running without a
reboot or restart since early last fall.

By-the-way, I use SlugOS -- if you find Unslung to be too old and too
"non-linux" in nature, you might try installing SlugOS 5.3-beta and then
installing owfs from the "unstable" feeds.

-Mike (mwester)

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Tuesday, March 30, 2010

[nslu2-linux] Login script - newbie

Me again :-/

I need to set a few environment variables such as EMAIL etc
Can someone tell me where I can find the login script for a user (root)
running unslung 6.10 beta ?

TIA.
/Emil

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[LINUX_Newbies] Mint help needed

 

Thank you all for your help before with ny other problems but Mint will not laod for me i have burned a copy with Brazo cd burner.I also have the bios set up but it will not load it to install it does reconize my Ubuntu boot disk though.I am running a Compaq prisario with 1 gig ram a 120 hard disk an have a lightscribe burner.If that helps any im running Ubuntu 9.10 as well.

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[Java] Hello

 

I have a little problem

I don't know how to use the JRex

Please, I need a example

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RE: [nslu2-linux] Pendrive like swap

 

I've done both, and it makes *very* little difference.    I'm really no expert in USB or the slug hardware, but kswapd0 always starts maxing out when I/O hits 5Mpbs regardless of target.  I bought a 30Mb/s ATV Turbo flash drive for just that purpose, and it did ZILCH for the speed.  I've thought about fattening the slug many times, but I've neither the reflow soldering gun, nor the guts to do it ;-)   I'd abandon ship for something with more RAM, but the Slug is just too cool. :)


So, in summary, YMMV, but there's certainly no harm in it.. except of course you stand a good chance of wearing your pen drive out.  





To: nslu2-linux@yahoogroups.com
From: guber1@ymail.com
Date: Tue, 30 Mar 2010 13:35:28 +0000
Subject: [nslu2-linux] Pendrive like swap

 
Hi, i'm thinking to format my nslu2 with debian to do a clean install and i have thinking to put the swap partition on a pen drive and not in the hard drive because i think it could do the nslu faster and reduce the hard drive activity because now the hard drive is working every time, dou you that is better to put the swap partition on the same disk of debian on in the pendrive?



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[nslu2-linux] Re: Subversion/Apache on Sysnolgy DS-107+ question

 

Can only say that optware apache package is being maintained, just nobody is working on mixing Synology apache and optware apache module.

What you can do, is to setup optware cross compilation build environment,

http://www.nslu2-linux.org/wiki/Optware/AddAPackageToOptware
or http://www.webos-internals.org/wiki/Optware_Cross_Compilation for shorter instruction (replace cs08q1armel with syno-x07 in your case).

You then check out old svn version of make/apache.mk and sources/apache matching Synology's. And build apache by "make apache-ipk". You should have modules there.

-Brian

--- In nslu2-linux@yahoogroups.com, "xelarep" <xelarep@...> wrote:
>
> Just a little push. Nobody here working with the DS-107+ anymore?
>
> xelarep
>
> --- In nslu2-linux@yahoogroups.com, "xelarep" <xelarep@> wrote:
> >
> > Hi,
> >
> > I'm new to this group. I found this group by playing al little bit with my DS-107+ and IPKG packages found on http://ipkg.nslu2-linux.org/feeds/optware/syno-x07/cross/unstable/
> >
> > And here's my first question:
> >
> > The supplied Apache on the DS-107+ is version 2.2.13-1 and does not provide the apache modules "mod_dav_svn" and "mod_authz_svn".
> > I tried to extract them from the IPKG package http://ipkg.nslu2-linux.org/feeds/optware/syno-x07/cross/unstable/apache_2.2.14-1_arm.ipk but the modules found here will not run with the original apache of the DS.
> >
> > Can anybody provide the two modules in version 2.2.13-1 or point me to any (simple) source how to create them by myself?
> >
> > I don't want to install the complete IPKG Apache server on my DS as outlined in the Synology forum at this point. There should be a simple way to get the missing mods.
> >
> > Unfortunatly I'm a daily Windows user and have only basic Linux skills ;-)
> >
> > Thanks,
> > xelarep
> >
>

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