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  Auto start modul centos
Posted by: Joko Prasetyo Hadi - 01-03-2018, 12:23 AM - Forum: Tips and Trick - No Replies

chkconfig namamodul on

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Lightbulb [SENTORA] Setup Varnish Cache with VHosts (Ubuntu 14.04) 64bit
Posted by: Joko Prasetyo Hadi - 12-02-2017, 02:47 PM - Forum: Tips and Trick - No Replies

How to Setup Varnish Cache with VHosts
Learn how to install and configure Varnish 4 with Sentora and Virtual Hosts.
[Image: 90x60.png]
What's Varnish?
Varnish Cache is a web application accelerator also known as a caching HTTP reverse proxy. You install it in front of any server that speaks HTTP and configure it to cache the contents. Varnish Cache is really, really fast. It typically speeds up delivery with a factor of 300 - 1000x, depending on your architecture.
read more at the varnish-cache.com about page or watch a quick video about varnish (2min)

System Requirements
Make sure you have the following:

  • Root Access.
  • 64bit OS (this guide is only for Ubuntu 14.04, but Varnish can be installed on other systems).
  • 1Gb of RAM is recommended.
more details on the official varnish-cache.com requirments page

Login to your server via SSH, make sure you are logged in as root.

Enter the following commands in the Terminal:
apt-get install apt-transport-https
curl https://repo.varnish-cache.org/GPG-key.txt | apt-key add -
echo "deb https://repo.varnish-cache.org/ubuntu/ trusty varnish-4.0" >> /etc/apt/sources.list.d/varnish-cache.list
apt-get update
apt-get install varnish

Setup Varnish
Installing was easy, not let's get our hands dirty and begin the fun part.
I will try to avoid server downtime, however keep in mind that you will need to restart apache at least once.

By default Varnish listens on port 6081 and uses the backend (apache) on port 8080;
In a production server we want Varnish to listen on port 80.

Test Drive Varnish (optional step) 
Let's just verify if Varnish is up and running, to do this we need to change the default.vcl file.
Open /etc/default/varnish on your favorite text editor and change the .port to 80 (should be line 18):
# Default backend definition. Set this to point to your content server.
backend default {
    .host = "";
    #.port = "8080";
    .port = "80";

see the default default.vcl file at the varnish GitHub Repository

Restart the Varnish service to apply the changes (execute the command on the terminal):
service varnish restart

Now open your website on port 6081 (http://domain.tld);
If Varnish is running correctly you should see your website, for further confirmation you can check the website headers (link to header-checker tool) for the  information Via => 1.1 varnish-v4.

Now that we tested it is working revert your default.vcl file back to.port 8080 (no need to restart varnish service right now).

Change Varnish Listening Port
First we will change the Varnish listen port from 6081 to 80;
Open /etc/default/varnish on your favorite text editor and change the DAEMON_OPTS="-a to 80 (~ line 40):
#DAEMON_OPTS="-a :6081 \
DAEMON_OPTS="-a :80 \
             -T localhost:6082 \
             -f /etc/default/varnish \
             -S /etc/varnish/secret \
             -s malloc,256m" 

Change Apache Port
Now we need to switch apache to port 8080;
Let's use the setso --set command that Sentora provides to easily change settings;
The first command changes the global apache port and the second one changes the Sentora Panel port.
setso --set apache_port 8080
setso --set sentora_port 8080

Launch Varnish  Smile
Login to Sentora Control Panel as zadmin and on Module Manager select Apache Config and switch the Apache Port from 80 to 8080 scroll to the end of the page and check the Force Update box to ensure the vhosts file will be updated on the next Daemon Run.

WARNING: After you Save the settings your server will be switched to port 8080, this means that every website in your server will not be accessible. To minimize downtime we need to make sure that the following commands are done quickly.

Let's manually trigger the sentora Daemon and restart Varnish to apply the changes:
php -q /etc/sentora/panel/bin/daemon.php
service varnish restart

If everything went ok, without errors, Varnish should now be in front of your server (on all VHosts).
Verify your website (normal url, no port required) and check the website headers (link to header-checker tool) for the information Via => 1.1 varnish-v4.

Last Comments
Not being hard to install and use, Varnish is a advanced tool and should be used with care.

Soon I will create a new guide about basic VCL scripting and how you can use your VCL files to cache only some websites on your Sentora Server.

If this guide helped you, please press the Thanks button and consider giving me some Positive Reputation using the Rate button.
I'll be happy   Smile

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Exclamation Mengatasi Masalah "E: Could not get lock /var/lib/apt/lists/lock
Posted by: Joko Prasetyo Hadi - 12-02-2017, 02:31 PM - Forum: Server Problems - No Replies

Selamat Sore sob, sore ini saya akan membagikan sedikit ilmu tentang linux...
Saya sengaja posting cara ini, dikarnakan problem ini sering sekali terjadi di distro-distro linux ubuntu beserta turunannya.

Kita sering sekali menjumpai perintah berikut disaat kita menggunakan perintah " apt-get " pada terminal linux.

E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporanly unavailable)
E: Unable to lock directory /var/lib/apt/lists/
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporanly unavailable)
E: Unable to lock the administration directory (/var/lib)

Nah, pada hari ini, saya akan memberitahukan cara untuk mengatasi problem tersebut.
Pertama, kita ketik perintah


nah, kemudian ketik lagi
rm /var/lib/apt/lists/lock

Ketik lagi
rm /var/lib/dpkg/lock


Nah, sekarang sobat dapat melakukan update lagi ketik perintah " sudo apt-get update "
Semoga trik ini dapat bermamfaat bagi sobat sekalian, mohon maaf apabila saya ada salah kata.

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Posted by: cybernetwebdesign - 11-22-2017, 12:22 AM - Forum: Web Design Software - Replies (1)

Karena freeware ini sedang viral karena microsoft tidak lagi menyediakan link download dan diluar sana banyak penipuan menggunakan software ini, seperti yang dilansir di http://tekno.kompas.com/read/2017/11/15/...ovie-maker

Karena kebetulan ane sudah download di microsoft sebelumnya dan software ini freeware, maka ane berbagi software ini secara gratis disini, software ini asli dan full offline installer tanpa embel2 aktifasi seperti diluar sana, dan ini adalah file asli yang ane download dari microsoft.

Ok, silahkan di unduh n semoga bermanfaat  [Image: tuzki-bunny-emoticon-038.gif]

Download Windows Movie Maker Untuk Windows XP, Vista, 7, 8, 10. Dengan Windows Movie Maker, Anda dapat dengan cepat mengubah foto dan video Anda menjadi film yang dipoles. Tambahkan efek khusus, transisi, suara, dan teks untuk membantu menceritakan kisah Anda. Dan berbagi dengan teman dan keluarga itu mudah-entah di web, komputer, TV, perangkat mobile. Kompatibel dengan Windows XP, Windows 7, Windows 8, Windows 10, Windows Vista.

[Image: windows-movie-maker.jpg]

DOWNLOAD : https://www.megaupload.us/7rl/Windows_Mo...taller.rar

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Thumbs Up Can't access phpmyadmin after installation
Posted by: cybernetwebdesign - 11-11-2017, 12:48 AM - Forum: Server Problems - No Replies

If you are sure that you do have lamp-stack just open up your terminal and type edit


and paste the following at the end of file
Include /etc/phpmyadmin/apache.conf

and restarted apache
service apache2 restart

Access: https://yourip/phpmyadmin

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  [UBUNTU] How do you switch to root user?
Posted by: cybernetwebdesign - 11-03-2017, 06:08 PM - Forum: Tips and Trick - No Replies

How do I change from user to superuser (root)? What command do I use in the Terminal to switch to root?

sudo -i

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Thumbs Up How do I rename a Google Cloud Platform project?
Posted by: cybernetwebdesign - 10-17-2017, 11:58 PM - Forum: Tips and Trick - No Replies

  1. Click your project in the top right
  2. Click "Manage all projects"
  3. Click your project name again
  4. If necessary, use the hamburger menu in the top left to switch to the "IAM & Admin" section
  5. Click Settings
  6. Type the new name
  7. Press Save
  8. Reload the page

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  Here’s What Businesses Need to Know About Augmented Reality and Virtual Reality
Posted by: CarolAnissa - 10-10-2017, 07:54 PM - Forum: Tips and Trick - Replies (1)

It’s no wonder that the change is constant in the internet world. If you take a look at websites and their design, you will always find new things and latest developments. And then you will find out how technology is changing and moving towards the betterment and quick solutions.

Dynamic websites have now replaced by statistic websites and now you don’t need to wait for months or weeks to get a response from the brand. You have all your solutions at your fingertips. This is why, businesses these days are struggling hard to paving the way to come up with out-of-the-box ideas and excellent customer experience to survive and flourish.

The Emergence of Augmented and Virtual Realities

With the emergence of augmented reality (AR) and virtual reality (VR), the world of web is totally changed. Many brands have heavily invested in AR and VR to boost their business growth.

Augmented reality is an improved form of Artificial Intelligence (AI) which is social, exciting and personal in nature. Many digital marketing agencies, ecommerce brands and web design companies are using augmented reality to integrate virtual content in the real physical world.  

Brands are getting the most of it and creating a compelling customer experience around their products. It can be used to simplify and beautify the user experience. The technology can relate the real and virtual world and make it realistic in every sense.

Create Real Value

If you are the one that is not using augmented reality for your business, now’s the time to consider it – seriously. Integrate virtual and augmented realities in business website, as they can assist your customers, create immense value and take your business towards new heights of success.

One of the best reasons why businesses are integrating VR and AR into their business model is the best user experience they can provide to your customers.

Increase Brand Reach

Web design agencies, eCommerce business and digital marketing agencies that develop VR-enabled website can easily increase their brand reach. Some eCommerce brands are using it to increase their customer base and to improve the online shopping experience of its customers. The augmented reality helps customers to get familiar with the size, shape and appearance of the products.

Virtual reality can make browsing experience tangible and immersive. Instead of going to physical fashion stores, customers can walk through virtual shops which give them an option to try the product on and check how different dresses, glasses and other fashion apparel suit your personality. The options are nearly endless and can benefit to nearly every industry.

If truth be told, AR makes your services and products affordable and accessible to your target audience. If you are thinking to jumping on the AR and VR trend or creating a mobile app for your business. First, carefully focus on understanding your target customers and how you will implement it to provide the augmented experience in the user’s journey to get the best out of it.
Offer Endless Benefits

There are some people that still think that investing in VR technology is a mistake. But these facts completely deny this statement.

·         There are many digital marketers and businesses that use Google VR view and Street View to upload and optimize 3D videos to create better visibility on search engines.
·         Virtual reality searches have increased 300% in the past year. 360-degree views and VR technology have the true potential to increase visitor engagement, time spent on a landing page, video shares and subscriptions.
·         Web design agencies have already started using compatible plugins. A WordPress VR view is a great example that allows users to upload 360-degree videos on your WordPress site.

Over to You

As augmented and virtual realities are here and booming. It is the right time for businesses to communicate with their customers using these latest technologies. Clearly think how your business can create value with AR and VR and then start integrating it to make your brand stand out in the crowded market.

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  It’s Critical for a Web Design Company to know its Customers’ Preferences
Posted by: brendajohn - 10-10-2017, 05:28 PM - Forum: Custom Web Design & Deploy Web Server + Panel - No Replies

There is no dearth of companies offering web designing services to companies. They offer many aspects of designing apart from just designing a page. It includes logo designing, brochures and visiting cards to name a few. Individuals and companies new to this field feel quite odd in getting to the terms and coping up with the requirement from their customers. This blog is written with the perspective of helping those web designers and also for the customers what to look for before finalizing a company for the web design job.
US is a big market for any type of business and industry. As a new designer operating in a metropolitan city like NYC is both an advantage and a curse. Advantage is that there are lots of people residing in and around the Big Apple who search for a web design agency nyc to get their work done. SO the market is huge and full of opportunities. The curse is that you need to be always on your toes as thousands of companies and even more freelancers offer their services and you must remain one step ahead of their strategies to have any chance of survival.
Selecting the Customer
While no company would want to say no to a client and refuse to build a website for them, there is a growing need among companies to select customers who can offer them benefits in the long term. For example, I am sure that you must have come through some people who are hard to please no matter how much effort you make. Some of them, of course, do this deliberately to make sure that they can irritate the other person and show that they know everything about web designing and the other person is a fool.
When a customer gets in contact with you for the first time, don’t just quote him high rates for work and try to please him with your portfolio and past track record. Make sure you listen to him very carefully and make a good guess about his personality. I am not asking you to start judging each customer perfectly as it is not possible. We all are not masters in reading human psyche but we can learn some skills in this regard. Once you will work for such customers, you will automatically develop skills about how to deal with them over the course of time.
Completely Satisfying the Customers is not Easy
Web design is an evolving field and trends come and go. You will usually find customers who are in awe of a particular trend or theme and that’s why they insist on getting that trend incorporated in their website. Well it’s your job to design a website according to the related business and product. You cannot apply a Barbie theme for a law firm or a candy store theme for a business consultancy firm. That’s where you will grow not just as a designer but a better person who can persuade other easily.
On the other hand, there are designers who go all out to satisfy their customers no matter what. They offer unlimited revisions, redesigning, change in content, etc. They try to pamper their customer as much as they can but in the process lose the confidence of the potential customer. He thinks of them as non-professional as they are not sure of what they are designing and don’t have the power to convince a person even if they are right. That’s a negative point that as a designer you have to get away with.
A Tip for Customers looking for a Good Designing Firm
If you are searching for a designing firm in the NYC area, it is not a very hectic job but can be a little tiresome as you have to select a single company from virtually hundreds of thousands of firms operating from the city and beyond. Make sure you check the portfolio of the company and the list of their clients. Double check their claims and only then sign the agreement. Don’t think of higher rates as an indicator of genuineness and credibility of a company nor shy away from a company just because it is demands a high sum. Go for the quality and then check the other factors.

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Thumbs Up Install "crontab" on CentOS 6
Posted by: cybernetwebdesign - 10-09-2017, 01:26 PM - Forum: Tips and Trick - No Replies

The CentOS minimal install doesn't include "crontab" services by default, to install and enable them use the following steps.
Install the package and dependencies

yum install vixie-cron

Enable the package on boot and start
/sbin/chkconfig crond on
/etc/init.d/crond start

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