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 screenYou’ll have to free up some space and perform registry edits remotely. Remember to backup your registry before performing any task like this. this is the edit required to get the screen back… View Article

recreate RAID array

if one of the drives fail, replace the drive and rebuild the RAID-0 on the dead machine: mdadm –stop /dev/md0mdadm –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 -WIt gives me an error that read as follows:psql: FATAL: Ident authentication failed for user “username”How do I fix… View Article

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

Problem: I got the above error message when I tried to boot into ubuntu(wubi version, installed inside windows).Solution:Replace the file wubildr on c: should fix this 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 GDM2. Switch to the tty command line prompt using Ctrl-Alt-F13. Login using your normal login/password4. at the command line prompt type: export DISPLAY=:0.05. then type: sudo -u gdm gnome-control-center6. Switch back to the gdm screen using ALT-F77. The gnome-control-center should be loaded. Use it to… View Article

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

Problem:$ rdesktop -n 184d keyboard map en-usdisconnect: Internal licensing error.User 184d can connect ONLY ONE TIME, and after disconnect it fail again.Solution:The workarround that I find, until a patch for this bug is released, is to do:# chown -R root.root /home//.rdesktopand just in case:# chmod -R 444 /home//.rdesktopthen just delete the license. file and… View Article

Linux: change users permission on folders

drwx—–x 57 test       admin 12288 2010-01-18 07:39         TestThe 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:chmod -R g+rw Test-R is for making changes recursivlyg  is for groupr   is for read permissionw  is for write… View Article

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 close3) 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 usenmap which is a port scanner and you can use netstat.nmap can be used to scan your machine to see whats ports are open issue thefollowing command to scan your computers machine:nmap -sS -O second method was netstat. netstat… View Article

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 directoryThe solution is:export LD_LIBRARY_PATH=/usr/local/lib(or setenv LD_LIBRARY_PATH /usr/local/lib if you use tcsh)