Category Archives: Linux

Linux : How do you change login GDM image in ubuntu 10.04 (Lucid Lynx)

This tutorial will explain How to change the boot splash screen image for 10.04 Open the terminal and run the following commands sudo cp /usr/share/applications/gnome-appearance-properties.desktop /usr/share/gdm/autostart/LoginWindow Then logout, and you’ll see an Appearance window pop up. Change it to how you prefer it, then close it and login as usual. When you have logged in […]

Mysql :mysqladmin command to change root password

How to : mysqladmin command to change root password If you have never set a root password for MySQL, the server does not require a password at all for connecting as root. To setup root password for first time, use mysqladmin command at shell prompt as follows: $ mysqladmin -u root password NEWPASSWORD However, if […]

OpenBSD : Increase Minimum Password Length

Increase Minimum Password Length The default minimum length for OpenBSD login passwords is 6 characters. To increase this to 10 characters, simply edit the /etc/login.conf file. Edit the /etc/login.conf file default: :path=/usr/bin /bin /usr/sbin /sbin /usr/X11R6/bin /usr/local/bin: :umask=022: :datasize-max=512M: :datasize-cur=512M: :maxproc-max=128: :maxproc-cur=64: :openfiles-cur=128: :stacksize-cur=4M: :localcipher=blowfish,6: :ypcipher=old: :tc=auth-defaults: :minpasswordlen=8: :tc=auth-ftp-defaults: Adding the :minpasswordlen=8: line under the […]

OpenBSD : Seeting up TIme ZONE

OpenBSD’s timezone it set from the /etc/localtime binary file which will be soft linked (symbolic link) to one of the files located in the /usr/share/zoneinfo directory structure. How to , 1. Configuring the timezone is done using the /etc/localtime file. 2. Locate your timezone file in the /usr/share/zoneinfo/ directories. 3. Changing your timezone to Los […]

Security : How To allow access to AIM, Yahoo, Gtalk and MSN Messenger through Squid Proxy ?

How To allow access to AIM, Yahoo, Gtalk and MSN Messenger through Squid Proxy ? To proxy and to allow AIM, MSN, Yahoo and GTalk   Instant Messenger traffic via with Squid, change/add the following line in the Squid configuration file # Allow AIM protocols acl AIM_ports port 5190 9898 6667 acl AIM_domains dstdomain .oscar.aol.com […]