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Thumbs Up How to fix: At least xMB more space needed on the /boot filesystem
Posted by: cybernetwebdesign - 01-26-2018, 09:56 PM - Forum: Server Problems - No Replies

While updating a client’s CentOS 6 server using “yum update” I ran into the following error:

Quote:Transaction Check Error: installing package kernel-2.6.32-358.2.1.el6.x86_64 needs 11MB on the /boot filesystem
Error Summary
Disk Requirements: At least 11MB more space needed on the /boot filesystem.

To check the free space on /boot I ran the following command: df -h
Which gave the following output:
Quote:Filesystem Size Used Avail Use% Mounted on
/dev/vda3 136G 60G 70G 46% /
tmpfs 5.3G 0 5.3G 0% /dev/shm
/dev/vda1 99M 77M 17M 82% /boot
/usr/tmpDSK 1.3G 35M 1.2G 3% /tmp

As you can see the boot partition is 82% full.
To list installed kernels use this command:
rpm -qa | grep kernel

The result:

So to remove the oldest kernel, We ran:
rpm -e kernel-2.6.32-220.7.1.el6.x86_64
Then : df -h

Quote:Filesystem Size Used Avail Use% Mounted on
/dev/vda3 136G 60G 70G 46% /
tmpfs 5.3G 0 5.3G 0% /dev/shm
/dev/vda1 99M 52M 42M 56% /boot
/usr/tmpDSK 1.3G 35M 1.2G 3% /tmp

As you can see that freed up more than the 11MB needed. So I retried yum -y update kernel and this time it works. Finally I deleted the old ones again:
rpm -e kernel-2.6.32-279.9.1.el6.x86_64 kernel-2.6.32-279.19.1.el6.x86_64

Final result, 70M free!.
/dev/vda1 99M 25M 70M 26% /boot


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  Dubai Free Business Directory
Posted by: profinderuae - 01-08-2018, 09:22 PM - Forum: Adsense code problems - Replies (1)

Many users are constantly stuck in Digital marketing and rely on them for all their functions, while others prefer to use traditional websites and its promotion to run their online business.Basically, PWA is a website that uses new technologies to act as a traditional mobile application.  PWA is a seamless bridge between these two needs. PWA combine the appearance of the application with the ease of programming a website. These newest applications make it easy for users to access your content, providing a higher level of quality and happier users.

Well, happy users are busy with users, and users increase your income. Moreover, PWA has a direct relationship with the increase in interaction and conversions, as we will see later. In addition, you will get a wider coverage of the target audience in your Dubai Business Directory. Not every web user is interested in downloading the application. At the same time, they may be interested in using the capabilities of your application. By offering your application as a PWA, you can ensure that you are still available to this group of people.

This allows PWA to work with all different types of devices and all different types UAE Local Business. This means that you can create one application that works great for Apple, Android and Windows devices.

The huge mobility and availability of devices make the future of your mobile applications or digital marketing. Although we certainly can not know exactly what the development of applications is expecting, we will most likely start dominating the local market. Some developers even predict that the native application is doomed to die, and PWA will completely capture the world of application development in the coming years. While we are discussing this topic, let's take a closer look at how PWA differs from native applications.

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Thumbs Up How To Install MySQL On CentOS 6
Posted by: cybernetwebdesign - 01-05-2018, 01:39 AM - Forum: Server Problems - No Replies

sudo yum install mysql-server
sudo service mysqld start

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Exclamation Cara mengatasi Error Too many connections
Posted by: cybernetwebdesign - 01-03-2018, 12:37 AM - Forum: Server Problems - No Replies

Baru bisa akses database servernya kalau pakai root:

mysql -u root -p

Setelah itu coba cek berapa koneksi maksimalnya:
select @@global.max_connections;

Defaultnya antara 100 atau 151 biasanya:
| @@global.max_connections |
|                      100 |
1 row in set (0.00 sec)

Karena errornya disebabkan jumlah koneksi bersamaan terlalu banyak maka satu solusi cepatnya adalah meningkatkan batasnya:
set GLOBAL max_connections=16384;
Query OK, 0 rows affected (0.00 sec)

Alternatifnya bisa dengan mengedit konfigurasi MySQL:
nano /etc/my.cnf

Lokasinya bisa berada di tempat lain.
Setelah itu cari dan sesuaikan kode dibawah:

Pakai cara mengatasi yang manapun setelah itu wajib restart:
service mysql restart


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  [CWP CENTOS 6] How to check my current MySQL root password
Posted by: Joko Prasetyo Hadi - 01-03-2018, 12:28 AM - Forum: Tips and Trick - No Replies

You can use this command from shell :

nano /root/.my.cnf

And edit also this file
nano /usr/local/cwpsrv/htdocs/admin/include/db_conn.php

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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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