Interesting, what about performances? I guess is useful only for testing right? -- Federico Ulfo ยป <http://www.federicoulfo.it/> Certified Developer Google & PHP <http://www.federicoulfo.it/>
On Fri, Sep 2, 2011 at 12:19 PM, Gary Mort <garyam...@gmail.com> wrote: > I've been driven a little crazy lately with trying to develop for Joomla > with the following limitations: > > 1) Half the sites use PHP 5.2 and half of them use PHP 5.3 > 2) Sometimes I'm online and sometimes I'm offline > > > I kept coming back to "if only I was using linux, I could set things up > more easily".... Then it struck me that my desktop is a beefy system > memorywise[this solution is gonna take a lot of memory] - so I gave > VirtualBox a try. > http://www.virtualbox.org/ > > VirtualBox basically allows you to run different operating systems in a > virtual environment. > > For my current setup, I started with Ubuntu Server: > http://www.ubuntu.com/**download/server/download<http://www.ubuntu.com/download/server/download> > > For the VirtualBox settings, choose fixed disk size - not dynamic. I use > 10GB, it eats up the full space but improves performance. My system has 8GB > of memory, so I give the system 2GB of ram, I'd suggest nothing under 1GB. > > in the network settings for the virtual machine, I setup TWO network > adapters. Adapter 1 is set to "bridged adapter", the name is selected from > my active adapter. This allows the system to connect through yours to the > internet. Adapter 2 is a "Host Only Adapter" - basically it's a "fake" > network adapter that allows your pc communicate with the VM and the VM > communicate with you. So if your doing this on a laptop, you can still work > even while offline. > > ****For the application settings[File-->Preferences] - go to the network > settings and configure the virtual network adapter settings. The important > bit here is to disable the dhcp server. > > When installing Ubuntu, setup adapter 1 for DHCP and adapter 2 as a static > IP address in a different network[most home networks are 192.168.1.0 or > 192.168.2.0 - so I give my internal only network the address 192.168.129.1, > netmask 255.255.255.0 - no default gateway!] > > Openssh is important to install for decent CLI access. > Samba should be installed to make it easy to access the files on the > server[just share out your web directory and then you can map the drive and > access it from your favorite web editor]. > Git, subversion, and mercurial should be installed since you need it at > some point > I always make sure to install wget > Now, the piece of magic that makes this all work, DNSMasq: > http://thekelleys.org.uk/**dnsmasq/doc.html<http://thekelleys.org.uk/dnsmasq/doc.html> > > DNSMasq allows you to run a DHCP server and DNS cache on the virtual > machine. So you setup the DHCP server to give out an IP address to your > system, and have it pass itself along as the DNS server[make VERY sure to > also specify a blank gateway/router so all your internet traffic goes to the > right place]. > The importan bits I've found: > interface=eth1 > interface=lo > ^^^these 2 lines makes sure that your system doesn't try to take over your > "real" network > address=/osm/192.168.56.1 > domain=osm > ^^^this sets up the "fake" domain osm and configures it so any domain > ending in .osm will be given the ip address 192.168.56.1 - the virtual > machines ip address > dhcp-range=192.168.56.10,192.**168.56.15,255.255.255.0,12h > ^^^ this gives your fake network a range of addresses, and a long timeout > dhcp-option=3 > ^^^ makes sure dnsmasq doesn't try to get your computer to route traffic > through it > dhcp-option=19,0 # option ip-forwarding off > dhcp-option=44,192.168.56.1 # set netbios-over-TCP/IP nameserver(s) aka > WINS server(s) > dhcp-option=45,192.168.56.1 # netbios datagram distribution server > dhcp-option=46,8 # netbios node type > ^^^^helps with the file shareing > dhcp-authoritative > ^^^speeds up initialization > cache-size=1500 > no-negcache > ^^^helps with lookups > > > As an added bennie, with dnsmasq running, your lame windows box now has the > full power of a linux domain name caching - so it will speed up your general > internet usage. > > Then, in general, I follow the instructions at > http://www.metod.si/multiple-**php-versions-with-apache-2-** > fastcgi-phpfarm-on-ubuntu/<http://www.metod.si/multiple-php-versions-with-apache-2-fastcgi-phpfarm-on-ubuntu/>to > setup and install apache, mysql, and php 5.2 and 5.3 - with modifications > for the latest versions of each. > > In my virtual hosts configuration the following are important: > VirtualDocumentRoot /var/www/%-3 > > %-3 basically means the third element of the domain name and is used to map > domains to directories. So for me: > http://testsite.53.osm - the files stored at /var/www/testsite - the THIRD > element of the domain name will be used > also using that directory is http://www.testsite.53.osm and > http://testsite.52.home > > Wheras http://mydomain.53.osm will use the files located at > /var/www/mydomain > > Our last bit of magic uses the virtual host configuration: > <VirtualHost *:80> > ServerAdmin webmaster@localhost > ServerName 52.osm > ServerAlias *.52.osm > VirtualDocumentRoot /var/www/%-3 > DocumentRoot /var/www > <Directory /var/www/> > Options +Indexes +FollowSymLinks +MultiViews +ExecCGI > AllowOverride All > Order allow,deny > allow from all > AddHandler php-cgi .php > Action php-cgi /php-fcgi/php-cgi-5.2 > > </Directory> > > <VirtualHost *:80> > ServerAdmin webmaster@localhost > ServerName 53.osm > ServerAlias *.53.osm > VirtualDocumentRoot /var/www/%-3 > DocumentRoot /var/www > <Directory /var/www/> > Options +Indexes +FollowSymLinks +MultiViews +ExecCGI > AllowOverride All > Order allow,deny > allow from all > AddHandler php-cgi .php > Action php-cgi /php-fcgi/php-cgi-5.3 > > </Directory> > > > These 2 configurations are almost identical, the only things that change > are servername, serveralias, and action > The servername has to be a full name, so I just use the php version I want > with the domain tacked on[53.osm]. > The serveralias can have a wildcard, so *.53.osm means that for ANY website > you try to load which ends in .53.osm use this configuration. > Lastly, the Action line tells apache which PHP FastCGI server to route the > request to. So I have 2 different instances of PHP running, 5.2 and 5.3 and > route accordingly. > > [Note, I share out the /var/www directory using SAMBA, and then map it on > my windows box to drive letter W:] > > So now to edit files on my test website, garyamort, I edit the files > located at w:/garyamort > To see the website using PHP 5.2, I go to http://garyamort.52.osm > To see the website using PHP 5.3 I go to http://garyamort.53.osm > > When dealing with oddities like a website which "suddenly" stops working, > one cause is upgrading to PHP 5.3 > CiviCRM for example has 2 versions, almost identical but one of them will > run on PHP 5.2 and one runs on PHP 5.3 - so a CiviCRM website that suddenly > stops working is likely to have a webhost who upgraded PHP from 5.2 to 5.3 > > It's a fairly simple solution - just copy the 5.3 version files over the > old version files AND DELETE THE TEMPLATE CACHE DIRECTORIES - and it will > start working again. > > If there is interest, I'm trying to put together a virtual box of all this > pre-configured, so all you have to do is - with the exception of the part I > put *** in front of, it would all be plug and play for most home networks. > > By the same token, if anyone knows a bit more about DHCP and DNS - I've had > trouble with this part with windows...since both the home router and my > virtual box broadcast a DNS server address, Windows will occassionally grab > the wrong DNS address. The problem is, I don't want to ALWAYS run the > virtualbox, so I want some way for the VM to override the DNS address, but > still allow the client to use the other one. > > And for those of you who are really good with IPForwarding, I sometimes > have to use remove VPN networks. So I have the VPN client on both my > windows machine and the virtual machine running. It would be great if I > could get the VPN client on the linux machine to dynamically update dnsmasq > so that when it's running, the DHCP server will tell my windows box to route > all traffic just for the remote network through it, and do some NAT routing > on the virtualbox so the connection goes through there. > > -Gary > ______________________________**_________________ > New York PHP Users Group Community Talk Mailing List > http://lists.nyphp.org/**mailman/listinfo/talk<http://lists.nyphp.org/mailman/listinfo/talk> > > http://www.nyphp.org/Show-**Participation<http://www.nyphp.org/Show-Participation> >
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