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Old

sendmail slows down boot time

Posted 09-08-2013 at 01:52 PM by ted_chou12

change /etc/hosts file:
Code:
127.0.0.1		SERVER.localdomain SERVER
To speed up sendmail load time during boot.
Ted
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Views 284 Comments 0 ted_chou12 is offline
Old

Cups reports "/usr/lib/cups/backend/hp failed"

Posted 05-26-2013 at 07:28 AM by ted_chou12

Hello ,
today I just set up an HP_LaserJet_M1005 ,
which was a USB multi-function printer and scanner.
It was unable to print anything , and says ,
"usr/lib/cups/backend/hp failed"
I turned the cups log level to "debug" and saw:
Feb 16 22:24:46 hp[6227]: io/hpmud/musb.c 1108: unable to open hp:/usb/HP_LaserJet_M1005?serial=KJ242KT
Feb 16 22:24:46 hp[6227]: prnt/backend/hp.c 745: ERROR: open device failed stat=12: hp:/usb/HP_LaserJet_M1005?serial=KJ242KT...
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Views 1631 Comments 0 ted_chou12 is offline
Old

bluetooth how to, hcitool, obexftp, rfcomm

Posted 03-03-2013 at 07:05 AM by ted_chou12

Hi, I am trying to figure out how to connect a phone by bluetooth thru terminal. I am just posting my progress here:
First! I Don't know how Ive got it working, but there must be something that I have done correctly to ensure the connection was successfully made. Secondly, this is going to be a mess and you are warned. Third, there is really not much info on this and quite a lot of them are specific issues rather than guides. I will make this as helpful and informative as I can:
...
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Views 2000 Comments 1 ted_chou12 is offline
Old

sync folder script

Posted 02-18-2013 at 09:19 PM by ted_chou12

Hi, not posting for quite a while. I was thinking of synchronizing my portable music mplayers directory with the music directory on the server. But I dont want all the music files, if all the files were synchronized then I would have no space on the player. So I was trying to come up with how I want it to be.
1) I want to synchronize by modify date of the LATEST, that means latest files come first in priority.
2) I want to limit a total file size on the files. NOT the number of files...
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Views 1716 Comments 1 ted_chou12 is offline
Old

parallel port with cups (LPT)

Posted 10-16-2012 at 05:07 AM by ted_chou12

Hi, I am tired of USB port so I went ahead and tried to use a parallel port to connect my printer:
First check if the lp mod is added:
Code:
lsmod | grep par
if not:
Code:
parport_pc 22292 1
parport 29012 2 parport_pc,lp
Then do:
Code:
modprobe lp
Make sure you add this to /etc/rc.d/rc.local, to ensure the code runs everytime during boot.
Now check again:
Code:
lsmod | grep par
"lp" should now already be displayed....
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Views 1614 Comments 0 ted_chou12 is offline

  



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