All posts for the month January, 2014

Export PUTTY Sessions list to Another Computer – Simple

Published January 27, 2014 by Siva

Here we are going to see, How to Export PUTTY Sessions list to Another Computer,

    Run the below command on a source system ( to taking backup / export existing session list)

regedit /e “%userprofile%\desktop\putty-sessions.reg” HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions

    Do the below taskson a remote system ( Importing from reg file)

to copy the putty-sessions.reg file on remote system.

then right click on a file & merge it.


Thats it.

Apache – “Client denied by server configuration” – Resolved

Published January 3, 2014 by Siva

Linux and Windows System Administrators Stuffs

Having problems with displaying your site and getting error 403 in your web-browser?

does the log-file for apache errors contain lines like tis?
“client denied by server configuration: /path/to/files”

Then you probably have denied access to the directory in the httpd.conf file.

Allow access by adding:
<directory /path/to/files>
allow from all

If your are using VirtualHosts then add the directory-block inside the <virtualhost> block.

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HTOP – Finding memory utilazation

Published January 2, 2014 by Siva


Htop is a text-mode, interactive process viewer for Linux run via console/ssh, and to install htop in CentOS / Ubuntu is a pretty simple task.
Among other things,

This way you will notice what programs is using most RAM.

htop allows you to:

quickly view key performance statistics such as CPU(multi-core layout) and Memory/Swap usage;
scroll the process list vertically and horizontally to see all processes and complete command lines;
kill processes by selection rather than entering process number;
use mouse to select list items.


Centos / Redhat

yum install rpm

Ubuntu / Centos

sudo apt-get install htop

How to Use htop

in the terminal

# htop

also there are some other options for example the delay time that is -d

# htop -d 2

That the above will delay the refresh time to 2 seconds