sysinfo_page

#!/bin/bash

# sysinfo_page - A script to produce a system information HTML file

##### Constants

TITLE="System Information for $HOSTNAME"
RIGHT_NOW=$(date +"%x %R %Z")
TIME_STAMP="Updated on $RIGHT_NOW by $USER"

##### Functions

system_info()
{
    echo "<h2>System release info</h2>"
    echo "<p>Function not yet implemented</p>"
}

show_uptime()
{
    echo "<h2>System uptime</h2>"
    echo "<pre>"
    uptime
    echo "</pre>"
}

drive_space()
{
    echo "<h2>Filesystem space</h2>"
    echo "<pre>"
    df
    echo "</pre>"
}

home_space()
{
    # Only the superuser can get this information

    if [ "$(id -u)" = "0" ]; then
        echo "<h2>Home directory space by user</h2>"
        echo "<pre>"
        echo "Bytes Directory"
            du -s /home/* | sort -nr
        echo "<pre>"
    fi
}

##### Main

cat <<- _EOF_
<html>
    <head>
        <title>$TITLE</title>
    </head>

    <body>
        <h1>$TITLE</h1>
        <p>$TIME_STAMP</p>
        $(system_info)
        $(show_uptime)
        $(drive_space)
        $(home_space)
    </body>
</html>
_EOF_