1. Network design and diagram (2017/1/19)
2. IP design (2017/1/19)
3. Disaster backup plan (2017/1/19)
4. Recovery plan (2017/1/19)
5. Design prototype. (2017/1/16)
6. Implement design in Hyper-V (2017/1/16)
7. Implement IP design to router
8. Implement design on real machines (2017/3/12)
10. Script (2017/1/20)
11. Internet Messenger (2017/1/21)
Define criteria and needs:
The project is for creating a temporarily internal network for around three to ten people connecting to
the network and sharing files and printers. Also meet the following criteria and needs:
1 No internet connection
2 Computer(Windows, OSX) can share files and using the shearing printer once they connect to the network
Role and devices required:
Device: commercial router
Server: Ubuntu Linux(Role: Printer Server, File Server)
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Network diagram
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Router -IP Setup
Network: 192.168.1.0/28 Netmask: 255.255.255.240 HostMin: 192.168.1.1 HostMax: 192.168.1.14 Hosts/Net: 14
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Script
easy_admin.sh
Run: sudo ./easy_admin.sh
#!/bin/bash # echo -e "\n\n" echo "==============================================" echo " Easy Admin Raymond Liu " echo " 2017.1.20 " echo "==============================================" echo -e "\n\n" answer=0 while [[ "$answer" != 'q' ]] do echo "(1) Change \"Document\" Password" echo "(2) Change \"Music\" Password" echo "(3) Change \"Router\" Password" echo "(4) Show Document password" echo "(5) Show Music password" echo "(q) Exit(Quit)" echo -e "\n" echo -n "Please Enter Your Choice: "; read answer case $answer in 1) documentnewpwd=`< /dev/urandom tr -dc a-z-0-9 | head -c10` (echo $documentnewpwd; echo $documentnewpwd) | smbpasswd -s document echo -e $documentnewpwd > documentpwd echo -e "\n" echo "Document New Password: "$documentnewpwd echo -e "\n" ;; 2) musicnewpwd=`< /dev/urandom tr -dc a-z-0-9 | head -c10` (echo $musicnewpwd; echo $musicnewpwd) | smbpasswd -s music echo -e $musicnewpwd > musicpwd echo -e "\n" echo "Music New Password: "$musicnewpwd echo -e "\n" ;; 3) ;; 4) echo -e "\n\n" value=`cat documentpwd` echo "Document Password: ---> $value" echo -e "\n\n" ;; 5) echo -e "\n\n" value=`cat musicpwd` echo "Music Password: ---> $value" echo -e "\n\n" ;; esac done exit 0
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Internet Messenger
Basic prototype done
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Setup Ubuntu Linux Server:
Step 1 Install cups and samba
sudo apt-get install cups sudo apt-get install samba
Step 2 Create Samba user
Create User Account sudo useradd -M -s /sbin/nologin document sudo useradd -M -s /sbin/nologin music Setup password for users" sudo passwd document sudo passwd music $ sudo passwd music Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully Add user account to the Samba database: sudo smbpasswd -a document sudo smbpasswd -a music $ sudo smbpasswd -a music New SMB password: Retype new SMB password: Added user music. Add user to local group sudo groupadd shareGroup sudo groupadd documentGroup sudo groupadd musicGroup sudo usermod -a -G documentGroup,shareGroup document sudo usermod -a -G musicGroup,shareGroup music
Step 3 Creating the shared folders
sudo mkdir -p /srv/samba/share/ sudo mkdir -p /srv/samba/document/ sudo mkdir -p /srv/samba/music/ Setup folder permission sudo chgrp -R shareGroup /srv/samba/share/ sudo chgrp -R documentGroup /srv/samba/document/ sudo chgrp -R musicGroup /srv/samba/music/ sudo chmod 2770 /srv/samba/share/ sudo chmod 2770 /srv/samba/document/ sudo chmod 2770 /srv/samba/music/
Step 4 Config smb.conf
sudo nano /etc/samba/smb.conf [share] path = /srv/samba/share/ read only = no guest ok = no valid users = document,music force create mode = 0660 force directory mode = 2770 force group = shareGroup [document] path = /srv/samba/document/ read only = no guest ok = no valid users = document force create mode = 0660 force directory mode = 2770 force user = document force group = documentGroup [music] path = /srv/samba/music/ read only = no guest ok = no valid users = music force create mode = 0660 force directory mode = 2770 force user = music force group = musicGroup
Step 5 Start Samba Service
sudo service smbd stop sudo service smbd start sudo service smbd status
Step 6 Config cupsd.conf
sudo nano /etc/cups/cupsd.conf change " # Restrict access to the admin pages... <Location /admin> Order allow,deny </Location> " to " # Restrict access to the admin pages... <Location /admin> Order allow,deny Allow localhost </Location> "
Step 7 Start CUPS Service
sudo service cups stop sudo service cups start sudo service cups status view cups admin page on local machines http://localhost:631
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