Blank and blank screen at Windows 2003 logon

when the system disk filled up. For some reason it zero out settings in the registry then you will get the following logon screen

You’ll have to free up some space and perform registry edits remotely. Remember to backup your…

recreate RAID array

if one of the drives fail, replace the drive and rebuild the RAID-0 on the dead machine:

mdadm --stop /dev/md0
mdadm --create --verbose /dev/md0 --level=0 --raid-devices=3 /dev/sdb1 /dev/sdc1 /dev/sdd1 --auto=md

psql: FATAL: Ident authentication failed for user “username” Error and Solution

Q. I’ve installed Postgresql under Red Hat Enterprise Linux 5.x server. I’ve created username / password and database. But when I try to connect it via PHP or psql using following syntax:
psql -d myDb -U username -W
It gives…

kernel panic – not syncing – VFS: unable to mount root fs on unknown block

I got the above error message when I tried to boot into ubuntu(wubi version, installed inside windows).

Replace the file wubildr on c: should fix this issue.

click the link below to download wubildr:

How ubuntu change login screen window appearance in 9.10?

1. Logout of your current session and return to the GDM
2. Switch to the tty command line prompt using Ctrl-Alt-F1
3. Login using your normal login/password
4. at the command line prompt type: export DISPLAY=:0.0
5. then type: sudo…

Can’t connect to WinServ 2008 SP2: “internal license error”


$ rdesktop -n 184d
Autoselected keyboard map en-us
disconnect: Internal licensing error.

User 184d can connect ONLY ONE TIME, and after disconnect it fail again.


The workarround that I find, until a patch for this bug is…

Linux: change users permission on folders

drwx–x 57 test       admin 12288 2010-01-18 07:39         Test

The above is an example. Group admin has the ownership of folder Test, but doesn’t have the read(r) or write(w) or execute(x) permission to that folder. To do that:…

Postgresql not listening on network

Under windows:

1) open postgresdatapg_hba.conf
    Add “host all all md5” , save and close;

2) open postgresql.conf
    change listen_addresses=’localhost’
            to  listen_addresses=’*’
    save and close

3) restart postgresql service:
    net restart postgresql…

Check what ports are open

There are two good methods to see what ports are open in Linux you can use
nmap which is a port scanner and you can use netstat.

nmap can be used to scan your machine to see whats ports are…

solution to “error while loading shared libraries”

After I installed bonddb and tried to start bondfrontend for mrbounce project, I got the following error:

bondfrontend: error while loading shared libraries: cannot open shared object file: No such file or directory

The solution is:
export LD_LIBRARY_PATH=/usr/local/lib