IT Networking

[SERVER] Install VNC Server on Ubuntu Server

<div dir="ltr" style="text-align: left;" trbidi="on">[1] Install VNC Server to operate Ubuntu with GUI from remote Windows client. <blockquote class="tr_bq">root@dlp:~# aptitude -y install vnc4server root@dlp:~# su - narwhal # switch to a user who set VNC narwhal@dlp:~$ vncpasswd # set VNC password Password: # any password you like to set Verify: narwhal@dlp:~$ vncserver :1 # start xauth: file /home/narwhal/.Xauthority does not exist New 'dlp:1 (narwhal)' desktop is dlp:1 Creating default startup script /home/narwhal/.vnc/xstartup Starting applications specified in /home/narwhal/.vnc/xstartup Log file is /home/narwhal/.vnc/dlp:1.log narwhal@dlp:~$ vncserver -kill :1 # stop Killing Xvnc4 process ID 10540 narwhal@dlp:~$ vi .vnc/xstartup # add follows exec gnome-session & # start with diplay number '1', screen resolution '800x600', color depth '24' narwhal@dlp:~$ vncserver :1 -geometry 800x600 -depth 24 New 'dlp:1 (narwhal)' desktop is dlp:1 Starting applications specified in /home/narwhal/.vnc/xstartup Log file is /home/narwhal/.vnc/dlp:1.log</blockquote>[2] Install VNC viewer on client computer next. Download from the site below to install. <blockquote class="tr_bq"><a href="http://www.realvnc.com/products/free/4.1/download.html">http://www.realvnc.com/products/free/4.1/download.html</a> Start VNC viewer after installing. Then following scrren is shown. Input [(Server's hostname or IP address):(display number)] like following example.</blockquote><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJHK8tOJUei-J4aCxSZFZPsgLGUBYx58v2J65bOheSsSahLjCB7fcRwE6GU6AUObsiLk5aGAQteioQlnqnC_t5-JJabQoVyAQypdydA3PsB3VX5Ab3yTQZySkLN45oioAPPhhSSJFosiQ/s1600/vnc1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="132" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJHK8tOJUei-J4aCxSZFZPsgLGUBYx58v2J65bOheSsSahLjCB7fcRwE6GU6AUObsiLk5aGAQteioQlnqnC_t5-JJabQoVyAQypdydA3PsB3VX5Ab3yTQZySkLN45oioAPPhhSSJFosiQ/s320/vnc1.jpg" width="320" /></a></div> [3] Password is required. Input VNC password you set in the section [1].  <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJ_98Oh6iBsu0UqxK8vCoLc8Ve6l34yPqfmRQAwFVZPIip18tiqiX3OJQyQ_Y3OijVVl4hLpHDETW_vwLLP4O2MuHQprHFYV-8zHzMZFad0a_VOgIXJTE-qltHdIKukZyZDGrN3PazSMQ/s1600/vnc2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="97" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJ_98Oh6iBsu0UqxK8vCoLc8Ve6l34yPqfmRQAwFVZPIip18tiqiX3OJQyQ_Y3OijVVl4hLpHDETW_vwLLP4O2MuHQprHFYV-8zHzMZFad0a_VOgIXJTE-qltHdIKukZyZDGrN3PazSMQ/s320/vnc2.jpg" width="320" /></a></div> [4] Just connected. <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilaDGHj-xf_mkxEf9STQHrh-ZZBwQCApzp4y-CQmi_Q2gaConzZor-WoZrroVG5rv1pUqp5rbE6JQ4ufPjmvJItNiDtmqrD9aCGxOaCyLrzPbTTyqh6nhbQhhr4NitnSYy4T0585fRIIM/s1600/vnc3.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="208" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilaDGHj-xf_mkxEf9STQHrh-ZZBwQCApzp4y-CQmi_Q2gaConzZor-WoZrroVG5rv1pUqp5rbE6JQ4ufPjmvJItNiDtmqrD9aCGxOaCyLrzPbTTyqh6nhbQhhr4NitnSYy4T0585fRIIM/s320/vnc3.jpg" width="320" /></a></div> </div>

[SERVER] Install VNC Server on Ubuntu Server

[1] Install VNC Server to operate Ubuntu with GUI from remote Windows client. root@dlp:~# aptitude -y install vnc4server root@dlp:~# su - na...

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[SERVER] Install PHP on Ubuntu Server

<div dir="ltr" style="text-align: left;" trbidi="on"> <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinQu1nHcxbR2syDUO8a9PSrXkMVhtQbMfzs6NXxYfD2ETGWApSFKPtgB4pOY0TZcxVmPpu9hPFPG_bYsMUwlcANUpa9Qwk49vQFfWaLEdf1GYNBo9AIB-hVnlEScbGzzdI38VqfKiMvI8/s1600/install-php5%5B10%5D.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="199" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinQu1nHcxbR2syDUO8a9PSrXkMVhtQbMfzs6NXxYfD2ETGWApSFKPtgB4pOY0TZcxVmPpu9hPFPG_bYsMUwlcANUpa9Qwk49vQFfWaLEdf1GYNBo9AIB-hVnlEScbGzzdI38VqfKiMvI8/s320/install-php5%5B10%5D.png" width="320" /></a></div> [1] Install PHP <blockquote class="tr_bq">root@www:~# aptitude -y install php5 php5-cgi libapache2-mod-php5 php5-common php-pear root@www:~# vi /etc/apache2/mods-enabled/mime.conf # near line 219: add extension for PHP AddHandler php5-script .php root@www:~# /etc/init.d/apache2 restart * Restarting web server apache2 ... waiting ...done.</blockquote>[2] Create a PHP test page and access to it with web browser. It's OK if following page is shown. <blockquote class="tr_bq">root@www:~# vi /var/www/index.php <html> <body> <div style="width: 100%; font-size: 40px; font-weight: bold; text-align:center;"> <?php print Date("Y/m/d"); ?> </div> </body> </html></blockquote></div>

[SERVER] Install PHP on Ubuntu Server

[1] Install PHP root@www:~# aptitude -y install php5 php5-cgi libapache2-mod-php5 php5-common php-pear root@www:~# vi /etc/apache2/mods-enab...

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[SERVER] Configure Squid3 as a Reverse Proxy on Ubuntu Server

<div dir="ltr" style="text-align: left;" trbidi="on"><div style="text-align: justify;"></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjy4_74pBWtEIXQUrpZVoZJO6b1-D5G_FpLGJFemaoGJkpYgaoEDEzVhKWINpHoKZAJw3-hgRS4SxvqR1mpMqB5gPcNKRdpe4gYEguvBaQM1hH2Qk3kmZ4cKM3LYg3FlEj0eF8WEyUFJdQ/s1600/squid3.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjy4_74pBWtEIXQUrpZVoZJO6b1-D5G_FpLGJFemaoGJkpYgaoEDEzVhKWINpHoKZAJw3-hgRS4SxvqR1mpMqB5gPcNKRdpe4gYEguvBaQM1hH2Qk3kmZ4cKM3LYg3FlEj0eF8WEyUFJdQ/s320/squid3.jpg" width="320" /></a></div><div style="text-align: justify;"> [1] Install Squid </div><blockquote class="tr_bq">root@lan:~# aptitude -y install squid3 root@lan:~# vi /etc/squid3/squid.conf  </blockquote><blockquote><div style="text-align: justify;">acl CONNECT method CONNECT  </div><div style="text-align: justify;"># line 706: define ACL for internalacl lan src 10.0.0.0/24 http_access allow localhost  </div></blockquote><blockquote># line 830: add (set ACL for internal) http_access allow lan # line 1117: change http_port 8080 # line 3368: add follows request_header_access Referer deny all request_header_access X-Forwarded-For deny all request_header_access Via deny all request_header_access Cache-Control deny all # line 3653: add (define hostname) visible_hostname lan.server.world # forwarded_for on # line 5384:: add (hide IP address) forwarded_for off root@lan:~# /etc/init.d/squid3 restart * Restarting Squid HTTP Proxy 3.x squid3 * Waiting... ...done. * Creating Squid HTTP Proxy 3.x cache structure 2011/05/05 03:31:41| Creating Swap Directories ...done.</blockquote><div style="text-align: justify;">[2] Start Web browser on your client PC. This is the example on Internet Explorer 9. Select [Tools] - [Internet Options] and move to [Connections] tab like below.</div><div style="text-align: justify;"> [3] Check 'use a proxy' and input server's hostname and port number set in the section [1]. Then, you can access to internet through proxy server.</div></div>

[SERVER] Configure Squid3 as a Reverse Proxy on Ubuntu Server

[1] Install Squid root@lan:~# aptitude -y install squid3 root@lan:~# vi /etc/squid3/squid.conf acl CONNECT method CONNECT # line 706: de...

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[SERVER] Configure SSL di Ubuntu Server

<div dir="ltr" style="text-align: left;" trbidi="on"><div style="text-align: justify;"> </div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgN5sX7qYFhd94KocfvxuvnRFC2EzNhL3SPzbcs0xhpCxr_Uxhh33_TtmyRYqmtgpumSC4kUKi5gJHF5y0ShJUxvf6KJ8QgI0ON03ucWifwdv9hrwUYU9rTKYUBhKb6lCPTgZB_a-oC9m4/s1600/SSL.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="179" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgN5sX7qYFhd94KocfvxuvnRFC2EzNhL3SPzbcs0xhpCxr_Uxhh33_TtmyRYqmtgpumSC4kUKi5gJHF5y0ShJUxvf6KJ8QgI0ON03ucWifwdv9hrwUYU9rTKYUBhKb6lCPTgZB_a-oC9m4/s320/SSL.jpg" width="320" /></a></div> <div style="text-align: justify;">[1] Create certificates first. See here. [2] Configure SSL </div><blockquote class="tr_bq">root@www:~# vi /etc/apache2/sites-available/default-ssl # line 3: change to webmaster's email ServerAdmin webmaster@mr-ekoapriadi.net # line 11,12: change Options FollowSymLinks ExecCGI AllowOverride All # line 51,52: change SSLCertificateFile /etc/ssl/private/server.crt SSLCertificateKeyFile /etc/ssl/private/server.key root@www:~# a2ensite default-ssl Enabling site default-ssl. Run '/etc/init.d/apache2 reload' to activate new configuration! root@www:~# a2enmod ssl Enabling module ssl. See /usr/share/doc/apache2.2-common/README.Debian.gz on how to configure SSL and create self-signed certificates. Run '/etc/init.d/apache2 restart' to activate new configuration! root@www:~# /etc/init.d/apache2 restart * Restarting web server apache2 ... waiting ...done.</blockquote><div style="text-align: justify;"></div><div style="text-align: justify;">[3] Access to the test page with https. Following window is shown because Certification File is made by yourdelf, it's no ploblem, Click Ok to proceed. </div></div>