increase file upload size in dream host

If you are using shared hosting from Dreamhost, then you don't have root access. When you want to increase the file upload size for PHP, then we need to follow their way for increasing the file upload size.
Let's increase our file upload size in the following way:

mkdir ~/[your website directory]/cgi-bin

create a file called php-copy.sh and put it in your website directory.
If we use PHP5, then we will add the below code block into the file:

#!/bin/sh
CGIFILE="$HOME/[your website directory]/cgi-bin/php.cgi"
INIFILE="$HOME/[your website directory]/cgi-bin/php.ini"
rsync -a /dh/cgi-system/php5.cgi "$CGIFILE"
# REMOVE THE FOLLOWING LINE TO CREATE THE UPDATE-ONLY SCRIPT:
cp /etc/php5/cgi/php.ini "$INIFILE"

perl -p -i -e '
s/.*post_max_size.*/post_max_size = 100M/;
s/.*upload_max_filesize.*/upload_max_filesize = 100M/;
' "$INIFILE"

Notice how in these lines it is set to 100M

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