The project team is ready to create the directory structure for the Web site. Yo

Question

The project team is ready to create the directory structure for the Web site. You are tasked with creating the directories and implementing the security mechanism. For this assignment, you need to create the following directory structure and permissions:

Ensure you are starting in your individual Home directory:

+- apache/
|
|- bin/
|
|- conf/
|
|- lib/
|
+- www/
|
| - html/
|
| - cgi-bin/
|
| - ftp/

The following file permission should be enabled for the directories:

The owner can read, write and execute All
The group can read and execute All Directories
Everyone else can only read and execute the files in Apache only (and no permissions in www)
Change the wwwtp directory to allow the User and group to read, write, and execute, but everyone else to only write to the directory
In addition, create the following empty files and set the following file permissions:

apache/bin/httpd - 755
www/html/index.html - 644
www/cgi-bin/process.pl - 711

Finally, create a file called apache/conf/httpd.conf, and add the following lines to the file:

#
# This is the main Apache HTTP server configuration file. It contains the
# configuration directives that give the server its instructions.

# Do not add a slash at the end of the directory path.
#
ServerRoot "/usr"

#
# DocumentRoot: The directory out of which you will serve your documents.
#
DocumentRoot "/Library/WebServer/Documents"

Save the file and exit the editor. Set the file permission for this file to be: 664.

Show the command used to show content of the file and the content of the file.

Using the grep command, write comment to find the line containing the word(s) ServerRoot and DocumentRoot in the httpd.conf file.

Write a sed command that will change the ServerRoot value from /usr to the absolute directory patch for your apache directory.

Write a sed command that will change the Document value from /Library/WebServer/Documents to the absolute directory patch for your www directory.

Write an awk command that will print only the comment field and the login id of all users in the /etc/passwd file in this format: <Comment Field>

Explanation / Answer

Week 4 tasks:
mkdir apache
mkdir apache/bin
mkdir apache/conf
mkdir apache/lib
mkdir www
mkdir www/html
mkdir www/cgi-bin
mkdir www/ftp

chmod -R 755 apache
chmod -R 750 www

chmod -R 771 www/ftp

touch apache/bin/httpd
chmod 755 apache/bin/httpd

touch www/html/index.html
chmod 644 www/html/index.html
chmod 711 www/cgi-bin/process.pl

cat > apache/conf/httpd.conf <<-EOF

#
# This is the main Apache HTTP server configuration file. It contains the
# configuration directives that give the server its instructions.

# Do not add a slash at the end of the directory path.
#
ServerRoot "/usr"

#
# DocumentRoot: The directory out of which you will serve your documents.
#
DocumentRoot "/Library/WebServer/Documents"
EOF

chmod 664 apache/conf/httpd.conf

cat apache/conf/httpd.conf

grep -e"ServerRoot" -e"DocumentRoot" apache/conf/httpd.conf

cd www
sed "s_/Library/WebServer/Documents_`pwd`_g" apache/conf/httpd.conf

awk -F":" '{print $1 - $2}' /etc/passwd

Week 5 tasks (Bash script):

#!/bin/bash
INSTALL_DIRECTORY=`pwd`;
function chkmkdir(){
dir=$1
if [ ! -d $dir ]; then
mkdir $dir
fi
}

function chkmkfile(){
file=$1
if [ ! -f $file ]; then
touch $file
fi
}

cd ~
pwd
ls -l
chkmkdir apache
chkmkdir apache/bin
chkmkdir apache/conf
chkmkdir apache/lib
chkmkdir www
chkmkdir www/html
chkmkdir www/cgi-bin
chkmkdir www/ftp
chmod -R 755 apache
chmod -R 750 www
chmod -R 771 www/ftp
chkmkfile apache/bin/httpd
chmod 755 apache/bin/httpd
chkmkfile www/html/index.html
chmod 644 www/html/index.html

chmod 711 www/cgi-bin/process.pl

if [ ! -f  apache/conf/httpd.conf ]; then

cat > apache/conf/httpd.conf <<-EOF
#
# This is the main Apache HTTP server configuration file. It contains the
# configuration directives that give the server its instructions.

# Do not add a slash at the end of the directory path.
#
ServerRoot $INSTALL_DIRECTORY

#
# DocumentRoot: The directory out of which you will serve your documents.
#
DocumentRoot "$INSTALL_DIRECTORY/Library/WebServer/Documents"
EOF

fi

# to see the list of files and directories in the current folder
find .

echo The webserver is installed in $INSTALL_DIRECTORY folder.

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