Recently I bought Huawei EC-121 modem from Omnnea (Iraqi CDMA operator) with monthly subscription , it works fine on Windows but when I plugged it in Ubuntu 8.10 NetworkManager didn’t detect anything….however, dmesg showed 3 modems detected by the kernel ttyUSB0…ttyUSB2…if it takes long time to detect the modems just try to rmmod usb-storage to [...]
Archive for the 'Linux' Category
This article has been taken from:
http://www.cyberciti.biz/tips/10-ultimate-rules-for-effective-system-administration.html
The following 10 items are guidelines more than rules, that I have learned over the years doing intensive work on the IT infrastructure. These guidelines are mostly common sense and can be helpful for anybody who administers an IT system, including Linux/Windows Administrator, Network Administrator and DBA.
This is a problem I noticed when I moved from SuSE 10.3 to Ubuntu.
This fix is easy , just link /usr/lib/win32 to /usr/lib/codecs
sudo ln -s /usr/lib/win32 /usr/lib/codecs
9 Characteristics of Free Software Users
Posted in Linux on Apr 6th, 2008
by Bruce Byfield
Operating systems come with cultures as much as codebases. I was forcibly reminded of this fact over the holidays when several family members and neighbors press-ganged me into troubleshooting their Windows computers. Although none of us had any formal computer training, and I know almost nothing about Windows, I was able to solve [...]
Windows Authentication via LDAP
Posted in Linux on Apr 6th, 2008
I know how easy it is to make Unix machines authenticate to LDAP server, but with Windows to do that you need a Domain Controller !
If you just want to do simple LDAP authentication , then you can use this login replacement for windows : www.pgina.org
It is called pGIna , and works just like pam [...]
Using libusb, writing linux usermode drivers
Posted in Linux on Apr 6th, 2008
This code is an example for using libUSB to deal with USB devices and controllering them without writing kernel modules.
It is usefull if you want to control homemade usb devices or if you want to write a driver for unsupported usb device in your OS.
The following example searches for any USB mouse attached to your [...]
Postfix not creating mail directories
Posted in Linux on Apr 6th, 2008
I got this problem with postfix 2 , when there is incoming mail for local user , it doesn’t create a maildir in /var/mail.
I have a user called ittest created in LDAP , and mapped to receive emails from another local user through /etc/aliases.
I fixed the problem by uncommenting this line from main.cf :
local_recipient_maps =
Leaving [...]
MSN , GTalk , Yahoo voice chat on linux
Posted in Linux on Apr 6th, 2008
Most newbies are asking me how to do things they used to do on Windows….
There are alternatives for almost everything…but when it comes to voice/video chat on Yahoo/MSN/GTalk , then it is a dead end !
It is true that Gyach Enhanced used to support voice/video for yahoo since more than 2 years….but it is not [...]