How to Install Ubuntu OpenVPN on VPS

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  • 7/27/2019 How to Install Ubuntu OpenVPN on VPS

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    How to Install Ubuntu OpenVPN on VPS467 days ago byMuhammad Usman13

    This post is in continuation of myearlier postwhere we discussed how to install OpenVPN on Centos VPS . Today i am going to

    graphically show you how to install Ubuntu OpenVPN on a VPS . In this post i will be omitting some very basic steps like

    installing putty and openvpn client on Windows , editing files with vi text editor etc and transferring files through winscp . You

    may refer to the earlier post i mentioned for these basic steps . Here is what you will require to accomplish this installation of

    Ubuntu OpenVPN :

    An OpenVZ VPS with minimum 64 MB ( preferably 128 MB ) RAM with vanilla install of Ubuntu 11.04 OS. I tested this

    tuotorial with Ubuntu 11.04 , though i have all the reasons to believe that it should work for other ubuntu versions as well. You

    must be having root access to the VPS. You can get cheap VPS under $20 per year easily . For some very cheap offers you canfindthis site very useful.

    Puttyfor connecting remotely with your VPS

    Winscpfor tranferring certificates and key files to your computer.

    OpenVPN clientfor your computer.

    With this small introduction we begin ourlong journey of installing Ubuntu OpenVPN on a

    VPS.

    Step One: Connect to your computer through putty as root and issue the following commands ( one by one ) to update your

    Ubuntu installation and packages.

    apt-get update

    apt-get upgrade show-upgraded

    http://tipupdate.com/author/ComputerGuru/http://tipupdate.com/author/ComputerGuru/http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/#commentshttp://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/#commentshttp://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/#commentshttp://tipupdate.com/how-to-install-openvpn-on-centos-vps/http://tipupdate.com/how-to-install-openvpn-on-centos-vps/http://tipupdate.com/how-to-install-openvpn-on-centos-vps/http://www.lowendstock.com/http://www.lowendstock.com/http://www.lowendstock.com/http://the.earth.li/~sgtatham/putty/latest/x86/putty.exehttp://the.earth.li/~sgtatham/putty/latest/x86/putty.exehttp://winscp.net/download/winscp435setup.exehttp://winscp.net/download/winscp435setup.exehttp://swupdate.openvpn.org/community/releases/openvpn-2.2.2-install.exehttp://swupdate.openvpn.org/community/releases/openvpn-2.2.2-install.exemailto:?to=&subject=How+to+Install+Ubuntu+OpenVPN+on+VPS&body=This+post+is+in+continuation+of+my+earlier+post+where+we+discussed+how+to+install+OpenVPN+on+Centos+VPS+%C2%A0.+Today+i+am+going+to+graphically+show+you+how+to+install+Ubuntu+OpenVPN+on+a+VPS+.+In+this+post+i+will+be+omitting+some+very+basic+steps+like+i%20-%20http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/http://www.newsvine.com/_tools/seed&save?u=http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/&h=How+to+Install+Ubuntu+OpenVPN+on+VPShttp://www.linkedin.com/shareArticle?mini=true&url=http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/&title=How+to+Install+Ubuntu+OpenVPN+on+VPS&source=Tech+Views+-+Gadget+Reviews,+Tech+News,+Android+Apps+Reviews,+iPhone+Apps+Reviews,+Information+Security,+Hosting+Reviews,+VPN,+Make+Money,+Blogging+Articles+and+a+lot+more.&summary=This+post+is+in+continuation+of+my+earlier+post+where+we+discussed+how+to+install+OpenVPN+on+Centos+VPS+%C2%A0.+Today+i+am+going+to+graphically+show+you+how+to+install+Ubuntu+OpenVPN+on+a+VPS+.+In+this+post+i+will+be+omitting+some+very+basic+steps+like+ihttp://www.pinterest.com/pin/create/button/?url=http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/&media=http://tipupdate.com/wp-content/uploads/2011/12/upgrade-ubuntu.jpg&description=This+post+is+in+continuation+of+my+earlier+post+where+we+discussed+how+to+install+OpenVPN+on+Centos+VPS+%C2%A0.+Today+i+am+going+to+graphically+show+you+how+to+install+Ubuntu+OpenVPN+on+a+VPS+.+In+this+post+i+will+be+omitting+some+very+basic+steps+like+ihttp://reddit.com/submit?url=http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/&title=How+to+Install+Ubuntu+OpenVPN+on+VPShttp://www.stumbleupon.com/submit?url=http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/&title=How+to+Install+Ubuntu+OpenVPN+on+VPShttps://plus.google.com/share?url=http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/http://twitter.com/home?status=How+to+Install+Ubuntu+OpenVPN+on+VPS%20-%20http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/http://www.facebook.com/share.php?u=http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/&t=How+to+Install+Ubuntu+OpenVPN+on+VPSmailto:?to=&subject=How+to+Install+Ubuntu+OpenVPN+on+VPS&body=This+post+is+in+continuation+of+my+earlier+post+where+we+discussed+how+to+install+OpenVPN+on+Centos+VPS+%C2%A0.+Today+i+am+going+to+graphically+show+you+how+to+install+Ubuntu+OpenVPN+on+a+VPS+.+In+this+post+i+will+be+omitting+some+very+basic+steps+like+i%20-%20http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/http://www.newsvine.com/_tools/seed&save?u=http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/&h=How+to+Install+Ubuntu+OpenVPN+on+VPShttp://www.linkedin.com/shareArticle?mini=true&url=http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/&title=How+to+Install+Ubuntu+OpenVPN+on+VPS&source=Tech+Views+-+Gadget+Reviews,+Tech+News,+Android+Apps+Reviews,+iPhone+Apps+Reviews,+Information+Security,+Hosting+Reviews,+VPN,+Make+Money,+Blogging+Articles+and+a+lot+more.&summary=This+post+is+in+continuation+of+my+earlier+post+where+we+discussed+how+to+install+OpenVPN+on+Centos+VPS+%C2%A0.+Today+i+am+going+to+graphically+show+you+how+to+install+Ubuntu+OpenVPN+on+a+VPS+.+In+this+post+i+will+be+omitting+some+very+basic+steps+like+ihttp://www.pinterest.com/pin/create/button/?url=http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/&media=http://tipupdate.com/wp-content/uploads/2011/12/upgrade-ubuntu.jpg&description=This+post+is+in+continuation+of+my+earlier+post+where+we+discussed+how+to+install+OpenVPN+on+Centos+VPS+%C2%A0.+Today+i+am+going+to+graphically+show+you+how+to+install+Ubuntu+OpenVPN+on+a+VPS+.+In+this+post+i+will+be+omitting+some+very+basic+steps+like+ihttp://reddit.com/submit?url=http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/&title=How+to+Install+Ubuntu+OpenVPN+on+VPShttp://www.stumbleupon.com/submit?url=http://tipupdate.com/how-to-install-openvpn-on-ubuntu-vps/&title=How+to+Install+Ub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  • 7/27/2019 How to Install Ubuntu OpenVPN on VPS

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    Step Two: Install Ubuntu OpenVPN server by issuing the following command in Putty Window.

    apt-get install openvpn udev

    http://tipupdate.com/wp-content/uploads/2011/12/result-openvpn-installation.jpghttp://tipupdate.com/wp-content/uploads/2011/12/openvpn-installation.jpghttp://tipupdate.com/wp-content/uploads/2011/12/upgrade-ubuntu.jpghttp://tipupdate.com/wp-content/uploads/2011/12/result-openvpn-installation.jpghttp://tipupdate.com/wp-content/uploads/2011/12/openvpn-installation.jpghttp://tipupdate.com/wp-content/uploads/2011/12/upgrade-ubuntu.jpghttp://tipupdate.com/wp-content/uploads/2011/12/result-openvpn-installation.jpghttp://tipupdate.com/wp-content/uploads/2011/12/openvpn-installation.jpghttp://tipupdate.com/wp-content/uploads/2011/12/upgrade-ubuntu.jpg
  • 7/27/2019 How to Install Ubuntu OpenVPN on VPS

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    Step Three : Ubuntu OpenVPN comes with encryption tool called Easy RSA and we need to copy relevant files to the OpenVPN

    directory. Issue the following command in the Putty Window.

    cp -R /usr/share/doc/openvpn/examples/easy-rsa/ /etc/openvpn

    Step Four: Next we are going to initiate the Public Key Infrastructure ( PKI ) and build Certificate Authrority which we will use

    to create keys and certificates for Server and clients of OpenVPN. Issue the following commands.

    cd /etc/openvpn/easy-rsa/2.0/. /etc/openvpn/easy-rsa/2.0/vars

    . /etc/openvpn/easy-rsa/2.0/clean-all

    . /etc/openvpn/easy-rsa/2.0/build-ca

    The last command will initiate a script that will ask for values. Just keep on hitting the Enter button on your computer and accept

    the default values except the email which you would like to change , though it is not very critical.

    Step Five: Next we need to create Server Key using the Certificate Authority we built in Step Four of installing Ubuntu

    OpenVPN. Issue the following command in the putty window and just keep on hitting Enter button at prompts ( optionally you

    might want to change the email ) :

    . /etc/openvpn/easy-rsa/2.0/build-key-server server

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    Similarly we also need to create client key by using the following command in Putty terminal window:

    . /etc/openvpn/easy-rsa/2.0/build-key client1

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    Step Six : We need to generate Deffie Hellman Parameters which will be governing the key exchanges between the client and the

    server of Ubuntu OpenVPN. Issue the following command in Putty Terminal window.

    . /etc/openvpn/easy-rsa/2.0/build-dh

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    Step Seven : Next we need to relocate the keys from /etc/openvpn/easy-rsa/2.0/keys to /etc/openvpn directory by using the

    following commands in the Putty window :

    cd /etc/openvpn/easy-rsa/2.0/keys

    cp ca.crt ca.key dh1024.pem server.crt server.key /etc/openvpn

    Step Eight : In this step we are going to configure the Virtual Private Network by altering certain configuring files that come as

    default with the the Ubuntu OpenVPN installation. Here we will need to use the linux text editor named vi . It is very easy to use

    all you have to remember is that in order to enter Insert Mode ( editing mode ) , you will need to press i on your keyboard. To

    come out of the insert mode and save the changes you will press Escape button your keyboard and then type :wq and press enter.

    Issue the following commands one by one in the Putty Window :

    cd /usr/share/doc/openvpn/examples/sample-config-files

    gunzip -d server.conf.gz

    cp server.conf /etc/openvpn/

    cp client.conf ~/

    cd ~/

    vi client.conf

    Edit the client.conf file at two locations :

    Enter the IP address of your Ubuntu VPS and rename client.crt an client.key files to client1.crt and client1.key .

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    Step Nine : Now is the time to start the Ubuntu OpenVPN Server . Use the following command in the Putty terminal window :

    /etc/init.d/openvpn start

    http://tipupdate.com/wp-content/uploads/2011/12/client-keys-before1.gifhttp://tipupdate.com/wp-content/uploads/2011/12/client-keys-after1.jpghttp://tipupdate.com/wp-content/uploads/2011/12/client-keys-before1.gifhttp://tipupdate.com/wp-content/uploads/2011/12/server-IP-after1.jpghttp://tipupdate.com/wp-content/uploads/2011/12/client-keys-after1.jpghttp://tipupdate.com/wp-content/uploads/2011/12/client-keys-before1.gifhttp://tipupdate.com/wp-content/uploads/2011/12/server-IP-after1.jpghttp://tipupdate.com/wp-content/uploads/2011/12/client-keys-after1.jpghttp://tipupdate.com/wp-content/uploads/2011/12/client-keys-before1.gifhttp://tipupdate.com/wp-content/uploads/2011/12/server-IP-after1.jpg
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    Step Ten : In this step we are going to do necessary amendments to tunnel all traffic through the OpenVPN server on the

    VPS. We need to amend certain files .

    First issue the following command and edit server.conf file.

    vi/etc/openvpn/server.conf

    uncomment the following line

    push redirect-gateway def1 bypass-dhcp

    and then add the following line

    push dhcp-option DNS 10.8.0.1

    Step Eleven : Next we need to edit/etc/sysctl.conf file .

    Issue the following command

    vi /etc/sysctl .conf

    and uncomment the following line

    http://tipupdate.com/wp-content/uploads/2011/12/push-dhcp-dns.jpghttp://tipupdate.com/wp-content/uploads/2011/12/push-redirect-gateway-after.jpghttp://tipupdate.com/wp-content/uploads/2011/12/starting-Openvpn.gifhttp://tipupdate.com/wp-content/uploads/2011/12/push-dhcp-dns.jpghttp://tipupdate.com/wp-content/uploads/2011/12/push-redirect-gateway-after.jpghttp://tipupdate.com/wp-content/uploads/2011/12/starting-Openvpn.gifhttp://tipupdate.com/wp-content/uploads/2011/12/push-dhcp-dns.jpghttp://tipupdate.com/wp-content/uploads/2011/12/push-redirect-gateway-after.jpghttp://tipupdate.com/wp-content/uploads/2011/12/starting-Openvpn.gif
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    net.ipv4.ip_forward=1

    Next we issue the following command in the

    echo 1 > /proc/sys/net/ipv4/ip_forward

    Next issue the following commands to configure Iptables one by one:

    iptables -A FORWARD -m state state RELATED,ESTABLISHED -j ACCEPT

    iptables -A FORWARD -s 10.8.0.0/24 -j ACCEPT

    iptables -A FORWARD -j REJECT

    iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -j SNAT to-source YourVPSIP

    (Insert your vps Ip in place of red text before issuing last command.)

    Next issue the following command to edit /etc/rc.local file and add the iptables rules in there :

    vi /etc/rc.local

    iptables -A FORWARD -m state state RELATED,ESTABLISHED -j ACCEPT

    iptables -A FORWARD -s 10.8.0.0/24 -j ACCEPT

    iptables -A FORWARD -j REJECT

    iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -j SNAT to-source YourVPSIP

    (Again remember to Insert your vps Ip in place of red text before issuing last command.)

    http://tipupdate.com/wp-content/uploads/2011/12/iptables-commands.jpghttp://tipupdate.com/wp-content/uploads/2011/12/net-ip4-after.jpghttp://tipupdate.com/wp-content/uploads/2011/12/net-ip4-before.jpghttp://tipupdate.com/wp-content/uploads/2011/12/iptables-commands.jpghttp://tipupdate.com/wp-content/uploads/2011/12/net-ip4-after.jpghttp://tipupdate.com/wp-content/uploads/2011/12/net-ip4-before.jpghttp://tipupdate.com/wp-content/uploads/2011/12/iptables-commands.jpghttp://tipupdate.com/wp-content/uploads/2011/12/net-ip4-after.jpghttp://tipupdate.com/wp-content/uploads/2011/12/net-ip4-before.jpg
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    Finally restart the Ubuntu OpenVPN server by the following command in putty terminal window :

    /etc/init.d/openvpn restart

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    Step Twelve :Next we transfer the following four files from VPS Ubuntu OpenVPN server to client machine where you would

    install openvpn client and transfer those files to config directory of OpenVPN . You can refer to my earlier post (step 9 and Step

    15 ) for Installation of OpenVPN on Centos for instructions on how to transfer the files through WinScp towards the end of the

    article. With these minor steps of transferring key files to your client computer , we have successfully installed OpenVPN on

    Ubuntu VPS .

    And finally you will be able to test your IP through whatismyip.com or other similar sites and if the reported IP is that of your

    VPS , then you have followed my tutorial in true spirit and successfully installed Ubuntu OpenVPN. You will be able to watch

    the geo restricted content then and bypass any filters your ISP or government may have imposed like i was able to watch Hulu

    though i am in Pakistan . This is a free world and internet is born to be free without any restrictions.

    http://tipupdate.com/how-to-install-openvpn-on-centos-vps/http://tipupdate.com/how-to-install-openvpn-on-centos-vps/http://tipupdate.com/how-to-install-openvpn-on-centos-vps/http://tipupdate.com/wp-content/uploads/2011/12/openvpn-restart.jpghttp://tipupdate.com/how-to-install-openvpn-on-centos-vps/
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    This was all about it . And believe you me , it is as simple as it gets and you wont find any tutorial on the internet simpler than

    this to install Ubuntu OpenVPN .

    http://tipupdate.com/wp-content/uploads/2011/12/watch-hulu-openvpn.jpg