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How to hide Files in a JPEG image

create an archive(tar/rar/zip) etc file of the important files which has to be hidden. then get an jpg image of your interest under which you want to hide the files. then execute the following COPY command > copy /b  mysecretfiles.zip secretimage.jpg b : represents the BINARY mode it will create a file secretimage.jpg (image file […]

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Apache HTTPD Virtual Hosts and SSL

Apache HTTPD Virtual Hosts allow a single server to host many web sites with different addresses. Virtual hosts are easy to set up, just check the documentation at http://httpd.apache.org/docs/ . That said, there are two main ways to configure virtual hosting, which you have to keep in mind when starting out. One method involves matching […]

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How to find absolute path in PHP

getcwd — Gets the current working directory. <?php $p = getcwd(); echo $p; ?>

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Setting cron job of java program in Unix

java -classpath dir1:dir2:dirofclasses package.classname If you are using mysql connection then you have to set mysql connector classpath also in command eg: java -classpath dir1:dir2:mysqlconnectorpath:dirofclasses package.classname

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