April, 2009
How to Reset iPhone Settings
 Note: Resetting will only give a reset to all the existing settings on your iPhone, it does not delete any media or data.  To reset your iPhone settings,  From the home screen, Tap Settings > General > Reset > Reset All Settings. Still having problems? Try deleting all the existing settings. Note: [...]
How to Execute a Specific Command from History
Linux: Execute a Specific Command from History If you would like to repeat a command from the history list, use the following technique: First, bring up the history by using the history command: # history | more 1 service network restart 2 exit 3 id 4 cat /etc/redhat-release Now, from this history list, choose the command [...]
How to Display timestamp using HISTTIMEFORMAT
Ordinarily, when you type “history” into the command line, it will display the command number and the command. It may be useful to show the timestamp along with these commands using the following command # export HISTTIMEFORMAT=’ %F %T ‘ The terminal should display something similar to the following: # history | more 5 cd [...]
Linux Servers Take Bigger Hit
An industry analyst forecast has Linux shipments slipping a bit more percentage-wise than Microsoft’s Windows Server, but Microsoft is feeling the pain of the economy, too, said an analyst who worked on the report. The IDC quarterly forecast of worldwide x86 server OS shipments for the year 2009, released last month, has Linux declining year [...]
How to Shut down XP in 5 Seconds
There are time when you have enough time to wait for windows xp to shut down which takes its sweet time but when you are in a hurry, you just can’t wait for those ending program or other saving stuff and want it to shut down instantly. Ok enough talking and let me tell you [...]
General Unix Commands
ls – (List Schema) This command will list the contents of your current directory. It only returns files that are not (.) “dot” files. mkdir – (Make Directory). With this command will create a subdirectory in your home directory. cd – (Change Directory) With this command you can move from your current working directory to [...]
How to determine your free disk space in Linux
The first command we’ll look at is the “df†command. It comes bundled with all distributions of Linux. “df†stands for “disk freeâ€. It gives you a reading of the state of all your partitions. It gives you the total disk space, the used space, the space available, and then the percentage of space being [...]
How to Perform mkdir and cd using a single command
Linux: Perform mkdir and cd using a single command If users are creating a new directory, they may cd to the new cirectory immediately to perform some work as shown below. Perform mkdir and cd using a single command: # mkdir -p /tmp/subdir1/subdir2/subdir3 # cd /tmp/subdir1/subdir2/subdir3 # pwd /tmp/subdir1/subdir2/subdir3 Add the following to the  .bash_profile [...]
How to Clear all the previous history using option -c
Sometime you may want to clear all the previous history, but want to keep the history moving forward. please use the following command for that: # history -c
How to Force history not to remember a particular command using HISTCONTROL
It is possible to instruct history to ignore a command when executing a command. # export HISTCONTROL=ignorespace # ls -ltr # pwd # service httpd stop [Note that there is a space at the beginning of service] # history | tail -3 67 ls -ltr 68 pwd 69 history | tail -3
How to Control the total number of lines in the history using HISTSIZE
Add the following two lines to the .bash_profile and login to the bash shell again to see the change.. # vi ~/.bash_profile HISTSIZE=450 HISTFILESIZE=450
Best Free Antivirus Software Download List
 1. Avira Anti-Vir Personal: Free version of Avira Anti-Vir AntiVirus for personal and non-commercial use. It offers reliable security protection to your computer against dangerous viruses, worms, Trojans and costly dialers. Security modules that offers included are: Protection from virus worms and Trojans, Anti-rootkit, Anti fishing and Anti dialer. Automatic incremental updates of antivirus signatures, [...]
How to Secure the ISA Server Computer with Security Configuration Wizard
The Microsoft Windows Server 2003 operating system with Service Pack 1 (SP1) includes an attack surface reduction tool called the Security Configuration Wizard (SCW). Depending on the server role you select, the SCW determines the minimum functionality required, and disables functionality that is not required. When you install Windows Server 2003 SP1 on the ISA [...]