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ParisDailyPhoto: Free Wi-Fi in Paris

2007-07-18T23:07:00.000-07:00

ParisDailyPhoto: Free Wi-Fi in Paris

There are lots of hot spot to choose from if you are a FON member. Eric, I was thinking you would have kept the location as a secret and a question like the pilers of Madeleine for the viewers ;)

load cpu & memory shell script c program for quick and dirty benchmark

2006-05-18T05:38:00.000-07:00

This script is a simple empty while loop which will load or increase the usage of your cpu.
a good way to test your cpu check for different monitoring tool

while :
> do :
> done

/home/sanmisra>more memory.c

main ()
{
while ( 1 ) {
malloc (10240) ;
}
}

add new administrator and management post for smartdashboard firewall-1

2006-05-04T04:18:00.000-07:00

1.Add the user in the system password file for *nix it will be in /etc/passwd and /etc/shadow
2. Add his host(PC) to /etc/hosts
3. Use cpconfig ( /opt/CPshrd-53/bin/) in case of Solaris

Rest is menu driven

part -2

2005-11-03T07:10:00.000-08:00

create indivitual pages for each image dirty way with php
[code]
//$image_files=[] ;
$type = "jpg";
$abspath_folder = "/home/santm/public_html/PamelasCreation/images" ;
if ( is_dir ( $abspath_folder ) ) {
if ( $handle = opendir( $abspath_folder ) ) {
while (false !== ( $file = readdir($handle ) ) ) {
if ( $file != '.' && $file != '..' && $file != 'CVS' && $file != 'index.html' ) {
//santm echo "FILE is $file \n" ;
$the_array[] = $file;
}
}
}
}
closedir( $handle );
// end of reading the directory
// santm print_r ( $the_array );
// making sure the array only has our jpg image starting with a number
foreach ( $the_array as $img ) {
if ( !is_dir( $abspath_folder .'/'. $img ) ) {
if ( eregi( $type, $img ) && eregi ( "^[0-9]", $img)) {
$the_image[] = $img;
}
}
}
// the main part
if ( !$the_image ) {
echo "no image \n";
}
else {
$i = count ( $the_image);
echo "count $i\n";
// sort the array
rsort ($the_image) ;
//print_r ($the_image ) ;
for ($k = 0 ; $k < $i ; $k++) {
$bb = $k+1 ;
echo "santm $the_image[$k] \n" ;
$full_name = explode (".",$the_image[$k]);
$short_name = $full_name[0];
$foo_img = images .'/'. $short_name;
if ( $k != 0 ) {
$pre_name = explode (".",$the_image[$k - 1]);
$pre_short_name = $pre_name[0];
}
if ($bb != $i ){
$next_name = explode (".",$the_image[$k + 1]);
$next_short_name = $next_name[0];
}
echo " short $short_name \n";
//
// doing dirty way with system call for placing the header
//
$head_out = shell_exec ('cat /home/santm/head.pam.inc');
$write_handle = fopen ("/home/santm/public_html/PamelasCreation/$short_name.html","w+");
fwrite ($write_handle,$head_out);

fwrite ($write_handle," $bb of $i\n");
fwrite ($write_handle,"

\"big_photo\">\n");
fwrite ($write_handle,"

\n");
if ( $pre_short_name ) {
fwrite ($write_handle,"<
img src=\"images/previous.gif\" alt=\"next\" border=\"0\">\n");
}

if ((!$pre_short_name) || (!$next_short_name)) {

fwrite ($write_handle,"/%\">\n");
}
else {
fwrite ($write_handle,"\"images/home.gif\" alt=\"home\" border=\"0\">\n");
}

if ( $next_short_name ) {
fwrite ($write_handle,"
\n");
}
fwrite ($write_handle,"\n");
fwrite ($write_handle,"\n");
fclose ($write_handle) ;
}
}

?>
[/code]

photo album : imagemagick (part -1)

2005-11-03T07:07:00.000-08:00

Quick and dirty way of creating photo album

creating images with black border as it looks good for all

[code]
#!/bin/csh
set files = `echo [0-9]*.jpg`
echo $files
foreach file ( $files )
set w = `identify -format "%w" $file`
set h = `identify -format "%h" $file`
if ($w > $h) then
convert $file -thumbnail 500X -bordercolor black -border 1 /tmp/foo100/$file
else
convert $file -thumbnail X500 -bordercolor black -border 1 /tmp/foo100/$file
endif
end
[/code]

Migrating rrd database between different architecture

2005-10-11T02:18:00.000-07:00

This script you run on the source host from the same directory where all those rrd files are there. I found this very helpful while migrating between Linux and Solaris.


#/bin/csh

set all_files=`echo *.rrd`
echo $all_files
foreach file ( $all_files )
set base = `basename $file .rrd`
/bin/rrdtool dump $file > /tmp/new1/$base.xml
end

The do a `tar` with `gzip` as that will save lots of space and time while transferring data between machines.

And on the destination machine you uncompress and untar the file to an empty directory.


#/bin/csh

set all_files=`echo *.xml`
echo $all_files
foreach file ($all_files)
set base = `basename $file .xml`
/opt/local/bin/rrdtool restore $file /opt/local/htdocs/cacti/rra/$base.rrd
end

Hope this helps.

Gallery2

2005-09-29T02:36:00.000-07:00

Well I am having lots of troubgle with a simple gallery2 installation with 15 pictures for my wife's hobby pictures. While I am running a 1600 picture gallery on the same server with out any problem touch wood. The back on the main one not there.

And i am having wonderful tech support from dot5 hosting to say the least. The guy does not even know what is Unix he replies it is FreeBSD.

A quick a dirty way to get around. Let's assme the site name is www.mysite.com Here the usernme for your webserver is not same as your account. So when you create a file ftp you see the owner/group as "joe/joe" and when web server creates it it is "web/web".

Connect via ftp create a gallery2 directory ; chmod 777 the same on the Top most Document root.
put this file in the same dirctory "gallery-2.0-full.tar.gz" makse sure binary more
also FTP this php file foobar.php with these lines in it

system ("tar -zxvf gallery-2.0-full.tar.gz") ;
?>

Now connect to this foobar.php via a web browser.

Follow the instruction from gallery2 installation when you point your browser to this location

http://www.mysite.com/gallery2/

Need to create the g2data directory and chmod 777 via ftp again .

to finish the same Gallery will ask you chmod 755 gallery2 directory.

banner with imagemgick convert

2005-08-10T07:43:00.000-07:00

To create a banner with mirror effect!!

convert -size 600x130 xc:transparent -font forte -pointsize 72 -fill "#cccccc" -annotate 0x180+12+80 "Pamela's Gallery" -gaussian 0x2 -stroke black -strokewidth 1 -fill "#ff3600" -stroke black -strokewidth 1 -annotate 0x0+12+55 "Pamela's Gallery" -draw "line 0,68 570,68" banner.png

ssh and scp

2005-08-10T06:58:00.000-07:00

Via tunnel

scp -P 2222 font_slewed.gif santm@localhost:/tmp/banner.gif
ssh -p 2222 santm@localhost

nomally :

[How To] Puttygen Puttssh for ssh

2005-08-05T01:13:00.000-07:00

1. Run PuttyKeyGen
1.a Make sure you choose SSH2DSA at the bottom
1.b Click on Generate
1.c Move Mouse as mentioned.

2. Once the key is generated
2.a Put proper comment for Key username and hostname
2.b Type your Password please try to choose a proper password i.e. with number, special character, upper case hard to guess
2.c Save the public and private key I saved in
C:\Documents and Settings\santanu.misra

3. Now add pageant.exe to your startup programs as shortcut.

4. In the property box modify these
4.a In “Target” Box add the Private-key file name
4.b In “Start in’’ Box put the directory where you stored the public key ; look at step 2.c
4.c Make “Run” to minimized

5. Right click on pageant and you will see there is an option for adding the key.
5.a Choose your private key file that was generated with “PuttyKeyGen” and it will ask for the “Passphrase” enter the password you entered in step 2.b
5.b You can see your key with “view key” option. There is a option to delete your key as well.

6. Now we need to configure putty to work with our public and private key. The screen shoots are quite self explanatory.

How ever I did modified “ScrollbackLines” for putty with regedit as I like to have more scroll back line; default is only 200. The ket is located in
MyComputer\HKEY_CURRENT_USER\Software\SimonTatham\PuttY\Sessions\Default%20Settings
For quick access to known servers you can do this to automate login via (ssh)
ssh-add -L >> .ssh/authorized_keys