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Old

PostgreSQL - installation/configuration/benchmarking - on Dell servers

Posted 03-27-2009 at 08:20 PM by rocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 12-31-2009 at 11:44 PM by rocket357

Dell has historically had a pretty low-end line of RAID cards (the PowerEdge Expandable RAID Controller, or PERC for short) that have required tons of time and care to get them operating at a reasonable level. This blog post will cover my experiences with the PERC6/E line of cards (which aren't that bad, especially compared to previous versions) and how to get optimal performance out of them on Dell 1950/2950 machines, as well as PostgreSQL general configuration.

DISCLAIMER: I don't...
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Views 2890 Comments 0 rocket357 is offline
Old

want to send mail to other terminal users

Posted 03-27-2009 at 04:27 PM by am_it_wild

FOR SENDING MAIL TO PERSONS WORKING ON OTHER TERMINAL ON THE SAME MACHINE.

1.Go to the terminal and type
$who
this will give you the list of users who are working on some other terminal

2.install package mailx and mailutils
$sudo apt-get install mailx
$sudo apt-get install mailutils

3.type on the terminal.
suppose there is a user on the terminal tty2 called amit
$mail amit
press enter
you will...
LQ Newbie
Posted in Uncategorized
Views 911 Comments 0 am_it_wild is offline
Old

setting grub menu password

Posted 03-27-2009 at 04:13 PM by am_it_wild

How to set grub menu password so that no one can change your password through recovery mode option in an ubuntu.it is very important for security reasons. i am going to show you how it can be done.The steps are given below to set grub menu password in an ubuntu.

1.first gain the root privilages by typing
$sudo su
you will be asked for password give it

2.By default root doesn't have a password ,so first set the root password by going to the termina...
LQ Newbie
Posted in Uncategorized
Views 840 Comments 0 am_it_wild is offline
Old

Installing Axesstel MV100 series USB CDMA Modem

Posted 03-27-2009 at 02:59 PM by hurry_hui
Updated 03-27-2009 at 03:00 PM by hurry_hui

The title will give you hint about what I am going to write. I have been searching the web for long to make my modem usable under Linux. Based on reading on similar cases, I try to 'installing' the driver to use the modem as follows:

Having connected the cable to USB port, at Konsole and typing
Code:
dmesg
I got:
Code:
[  246.397140] usb 1-2: new full speed USB device using uhci_hcd and address 2
[  246.549808] usb 1-2: configuration #1 chosen from
...
Member
Posted in Networking
Views 5091 Comments 0 hurry_hui is offline
Old

USB serial driver(ftdi): there is error in receive data

Posted 03-27-2009 at 11:09 AM by plumnut

Quote:
Originally Posted by plumnut View Post
when it is too short that time between two data sending form device to pc, the second data is lost.

I was using a wireless net card. the card connect to pc through USB. when it's connected, the usb is probed as two devices: one is ftdi,the other is cdc-acm.

I can use it to make one call. when I use it to make another call while hold the first call. the application cann't get the wright At respond.

it's like this (I cann't remeber the exact form):
...
LQ Newbie
Posted in Uncategorized
Views 1085 Comments 0 plumnut is offline

  



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