exvnmarquise的部落格

As we started the undertaking of our web site, we knew that the branded package costs would be too soaring for our financial assets. Our lone chance next was to sort use of Open Source Code softwares.

However, within the Open Source Code location are heaps of softwares to opt for from, and it´s up to the complex analyst/programmer to selection the ones that good case the project goals.

In our case, we picked Linux as our operative association. However we sweet-faced a big question: Which Linux dispersal ? There are wads of linux distributions, respectively one near specific advantages, sometimes beside or in need compensated work.

We chose unix Slackware because we thought that it would proceedings higher our needs, in expressions of stability and dependableness. Slackware is a unprogressive distribution, classification that it solitary offers in its carriage collection kernel versions and 3rd gathering libraries, former it´s been tried to be sound and definite. As a result, Slackware is one the supreme lasting Linux operational set of contacts on the flea market. If the mortal wishes the furthermost new Linux plant part and libraries, we advocate to manifestation for a conflicting giving out.

Another pretext for us production Slackware, was because of its primer interface, which at the origination may become a bit difficult, in the longstanding run yet it offers a well again recognition of the Linux situation. This way most of Slackware configurations are done through manuscript scripts.

Once it was set the operative system, we picked Apache as our web restaurant attendant. Apache is one of the record touristed web server in the computer network. For restaurant attendant planning language, we chose PHP. Also, a remarkably working class scheduling spoken communication. Our submit yourself to beside Apache/PHP proves that this apparatus is severely reliable, practical a great deal good in our harvest state of affairs. For digital computer programming language, we chose javascript, which in any case of having a pure syntax, it offers dozens of possessions.

Apache web restaurant attendant is really a implement web server. Also, it can become exceptionally tangled next to many a arrangement setups.

For our database, we picked Postgresql. This info has been ready-made unspoken for to the local for more than than 15 years, and besides of anyone very well debugged, it offers so tons supplies that it has go one of the top-quality info options from Open Source Code softwares. Extremely reliable, Postgresql has according cases wherever within have been databases in harvest near done 4 terabytes. Besides all of that, Postresql is not the most working class Open Source Code database. A situation of mercantilism ? Probably.

As for the planning verbal skill PHP, we had to use an protest destined request artifact. There are many a PHP candidature structures being offered beside Open Source Code licence. Object minded request is precise important, because it makes programing intensely smooth and ascendable up to the factor where the regulations may burgeon short abundant teething troubles. Also, it helps to living PHP secret message set-apart from HTML, near the assist of both ad hoc libraries, such as Smarty. We make use of Smarty library and we suppose that it is a especially noteworthy resource, which can even construct web pages faster finished the use of its storage space functions.

Also a severely fundamental set of libraries meriting mentioning for PHP systems, is the PEAR libraries. In PEAR web site, among the many a libraries anyone offered, there are the information interface DB and the MAIL_QUEUE, which sends emails finished the use of database.

As we came to the end of our project, we had to use a number of kind of sincere instance database copying. For that we chose the DRBD and Heartbeat libraries. The use of info copying is particularly heavy and should not be delayed. Just after 3 months our scheme got into production, our waiter sticky saucer became bad. Thru the use of DRBD/Heartbeat we were able to put the set of connections fund into manufacture inside seconds, without losing any background. DRBD/Heartbeat reproduction is through with through with the use of a lan network linking the restaurant attendant and bond nodes.

Our labor likewise makes use of ImageMagick (enlarge and decline descriptions), Iptables (firewall), Tsearch2(text investigate in portgresql) and Mon (linux watching tasks).

Also a impressively weighty library assessment mentioning is the imitative APC writer for PHP. Speed is ever a finicky cause for cyberspace sites.

Our web location is just now in crop and supported upon our experience we can say that the Open Source Code softwares we picked, verified to be superlatively steady and stable. Open Source Code softwares can of course be an incomparable selection for emergent web sites.

Roberto Sedycias
IT Consultant

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