Sublime Text is well known in the world of web development. It is a powerful text editor that is widely used to develop applications in many languages. However, its main strength is in the web environment where it shows its main strength. On the other hand, it is a fairly lightweight, customizable, and extensible editor. It has everything you need to make coding a faster process like syntax highlighting, multiple selections, and a command palette.

Therefore, many users need to install it on their main Linux distribution. In this case, OpenSUSE 15.2 / 15.1 is one of the safest options to start developing any application.

Install Sublime Text on OpenSUSE 15.2 / 15.1

Sublime Text is an application that is cross-platform. That is to say, not only we will be able to install it in many Linux distributions but also in Windows or macOS. Then it is an application that is available to many people thus strengthening community support. In the same way, Sublime Text has its own repository for OpenSUSE to keep up to date.

So the first step is to open a terminal and add the GPG key for the repository.

:~$ sudo rpm -v --import https://download.sublimetext.com/sublimehq-rpm-pub.gpg

Then, once we have done the previous thing, it is necessary to choose the software channel that we deem to use. There is the Dev version where the latest version in development is hosted. It is new but can be unstable. On the other hand, the Stable channel provides only versions that are considered stable by the development team. It is the most sensible decision, so we will use this one.

:~$ sudo zypper addrepo -g -f https://download.sublimetext.com/rpm/stable/x86_64/sublime-text.repo
Adding repository 'Sublime Text - x86_64 - Stable' .......................................................................................................................................[done]
Repository 'Sublime Text - x86_64 - Stable' successfully added

URI         : https://download.sublimetext.com/rpm/stable/x86_64
Enabled     : Yes                                               
GPG Check   : Yes                                               
Autorefresh : Yes                                               
Priority    : 99 (default priority)                             

Then you can install Sublime Text on OpenSUSE 15.2 / 15.1.

:~$ sudo zypper install sublime-text

Now, you can launch from the main menu.

So, enjoy it. Remember that Sublime Text has a brother who takes care of GIT. So, you can read our post about Sublime Merge.

Sublime Merge a nice GIT client.

And that is it.

Conclusion

If you develop for the web, it is very likely that you need Sublime Text. It’s a pretty good and fast text editor. Especially in computers not so good that you need to optimize resources.

Have you used it? what did you think of the post? let us know in the comments.

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The numbering of the Linux kernel 5

A few months ago Linus Torvald himself announced that there was going to be a change of numbering. Basically, because he didn’t like high numbers and because it was easier to continue the development.

So, what we expected as the Linux Kernel 4.21 was transformed into the Linux Kernel 5. As you can see is quite a leap, although the news is very important, are expected too much by the change of numbering.

What’s New in Linux Kernel 5.3?

Some of the novelties of this version are:

• Multiple enhancements to the XFS file system. multi-threaded inode skipping option implemented.
• On the other hand, EXT4 has also received a lot of care. Added support for gaps in directories.
• Improved support for Intel Icelake Gen 11 graphics.

If you want to see the rest of the news, you can check this link.

And many bug fixes. It is an important version for the number of bugs corrected.

Install the Linux Kernel 5.3 on Ubuntu 18.04

So, if you want to install this kernel for drivers or bugs on your system, you must first download these three files.

• The Linux image.
• The Kernel modules
• Finally, the kernel headers.

So, open a terminal and run these commands if you are using a 64-bit system.

Let us create a folder to save the files:

:~$ mkdir kernel5 && cd kernel5

After that, you can start the download.

:~$ wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.3.1/linux-headers-5.3.1-050301_5.3.1-050301.201909210632_all.deb

Next, this command:

:~$ wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.3.1/linux-image-unsigned-5.3.1-050301-generic_5.3.1-050301.201909210632_amd64.deb

Finally, the last file:

:~$ wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.3.1/linux-modules-5.3.1-050301-generic_5.3.1-050301.201909210632_amd64.deb

After that, install all the packages with this command:

:~$ sudo dpkg -i *.deb

Then, reboot the system.

When the system has booted, query the current kernel with this command:

:~$ uname -r

And that’s it.

Conclusion

The Linux kernel is an essential part of our system. Therefore, it is advisable to be careful when installing it. In addition, it is only recommended to install it if you have hardware failures or if you have a very recent one.

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What is Zabbix?

Zabbix is quite a wonder. It is an open-source application that works under the client-server architecture. In other words, when installed on any server, it requires an agent to be installed on the client computers. In this way, the application will be able to monitor all the behavior of the nodes as well as the performance of the network.

On the other hand, the development of Zabbix is quite positive and constant, which makes it quite safe and functional. In addition to being quite mature in its development supports several database management systems including the popular MariaDB, MySQL, PostgreSQL or proprietary alternatives such as Oracle and IBM DB2.

In this post, we will install step by step the Zabbix server on CentOS 8 / RHEL 8 / Oracle Linux 8.

Install Zabbix on CentOS 8 / RHEL 8 / Oracle Linux 8

As expected, Zabbix has precompiled binaries available for RHEL 8 and derivatives. These are available from the official repository, but there are some prerequisites we must meet. One of them is that we need a web server running on our computer. Besides that, a database management system like MariaDB.

Install LAMP on CentOS 8 / RHEL 8 / Oracle Linux 8

In this case, we have a complete tutorial where you can install LAMP on CentOS 8 / RHEL 8 / Oracle Linux 8. There, step by step, you will be able to get a web server running as well as the database manager MariaDB.

Read, How to install LAMP on CentOS 8 / RHEL 8 / Oracle Linux 8?

Create the Zabbix user on MariaDB

Once the server is running correctly. It is necessary to create a new user and database for Zabbix. To do this, open the MySQL console and run:

:~# mysql -u root -p 
> CREATE DATABASE zabbixdb;
> GRANT ALL PRIVILEGES ON zabbixdb.* TO 'zabbixuser'@'localhost' IDENTIFIED BY 'zabbixpss';
> FLUSH PRIVILEGES;
> exit;

Install Zabbix on CentOS 8 / RHEL 8 / Oracle Linux 8 (I)

Then we can install Zabbix without problems. We will achieve this by using the official Zabbix repository for RHEL 8.

So as a root user, run the following command to add the GPG key from the repository:

:~# rpm --import http://repo.zabbix.com/RPM-GPG-KEY-ZABBIX

Then add the repository as such:

:~# rpm -ivh https://repo.zabbix.com/zabbix/4.0/rhel/8/x86_64/zabbix-release-4.0-2.el8.noarch.rpm

Then proceed to install the Zabbix packages.

:~# dnf install zabbix-server-mysql zabbix-web-mysql zabbix-agent zabbix-get zabbix-sender zabbix-java-gateway

If you want you can modify the PHP timezone on the Zabbix configuration file.

:~# nano /etc/httpd/conf.d/zabbix.conf

Uncomment the line date.timezone and add your timezone.

php_value date.timezone [TIMEZONE]

The next step is to load the initial Zabbix database.

:~# zcat /usr/share/doc/zabbix-server-mysql*/create.sql.gz | mysql -u zabbixuser -p zabbixdb

Then, it is necessary to specify the database parameters in the Zabbix configuration file.

:~# nano /etc/zabbix/zabbix_server.conf

In this file, you have to modify the following values

DBHost:localhost
DBName=[DB_name]
DBUser=[Mariadb_zabbix_user]
DBPassword=[Password]

Save the changes and close the file. The next step is to open the Zabbix ports in the Firewall so that it can run smoothly.

:~# firewall-cmd --permanent --add-port=10050/tcp
success
:~# firewall-cmd --permanent --add-port=10051/tcp
success
:~# firewall-cmd --reload
success

Finally, start the service. If you want Zabbix to run at system startup, you can add these commands:

:~# systemctl enable zabbix-server
:~# systemctl start zabbix-server
:~# systemctl restart httpd

Install Zabbix on CentOS 8 / RHEL 8 / Oracle Linux 8 (II)

The last thing we need to do before we have our Zabbix server running is to complete the installation using the web browser. Open it and go to http://your-server/ you will see this

Then, the installer will check the prerequisites.

Now, we have to set the parameters of the database that we have previously defined.

Then, set up some server details.

In the end, you will see the summary and the message that Zabbix has been successfully installed.

After finishing the process, you will see the login screen. Log in with admin as user and zabbix as password.

Finally, you will see the dashboard. And that is it.

Install the Zabbix agent on the nodes

In order for Zabbix to monitor correctly, it is necessary to install the agents in each of the nodes. Probably, they use different operating systems, so the installation can vary in each of them.

First, you have to add the Zabbix repository for each system. In case you use Ubuntu 18.04:

:~$ wget https://repo.zabbix.com/zabbix/4.0/ubuntu/pool/main/z/zabbix-release/zabbix-release_4.0-2+bionic_all.deb
:~$ sudo dpkg -i zabbix-release_4.0-2+bionic_all.deb
:~$ sudo apt update

Then, install Zabbix with the following command:

:~$ sudo apt install zabbix-agent

If you use CentOS 8, add the repository with this command:

:~# rpm -ivh https://repo.zabbix.com/zabbix/4.0/rhel/7/x86_64/zabbix-release-4.0-2.el7.noarch.rpm

Then, install the agent with the following command:

:~# yum install zabbix zabbix-agent

Finally, if you use Debian 9:

:~$ wget https://repo.zabbix.com/zabbix/4.0/debian/pool/main/z/zabbix-release/zabbix-release_4.0-2+stretch_all.deb
:~# dpkg -i zabbix-release_4.0-2+stretch_all.deb
:~# apt update

And you install it with the command:

:~$ apt install zabbix-agent

Conclusion

Zabbix is an important application in any network service. Thanks to it it is possible to do complete monitoring on the operation of the same one. It also verifies the state of the nodes. In this post, you have learned to install it on the server-side.

The post How to install Zabbix server on CentOS 8 / RHEL 8 / Oracle Linux 8 ? appeared first on Linux Windows and android Tutorials.

Many web developers use Fedora for their work. It’s not uncommon because we’re talking about a very stable and carefully made Linux distribution. However, it is true that Fedora is not the first choice to install LAMP so many don’t know how to do it.

A LAMP server as I said before is composed of Linux, a web server as Apache, a database manager in MariaDB and a programming language to interpret and make the application work, in this case, PHP. Together, they form an ideal combination to develop web applications and to run applications.

Let’s start.

Install LAMP on Fedora

1. Install Apache web server

First, you need to install apache web server. It is perhaps the most used web server in the world. It stands out for its ease of use, its great documentation and its compatibility with almost all Linux distributions. In addition, its installation is quite simple. Let’s get to it.

Open a Terminal and run:

:~# sudo dnf install httpd

Once the installation is complete, you need to start the service and enable it to run at system startup.

:~$ sudo systemctl enable httpd
:~$ sudo systemctl start httpd

So far there should be no problems, however, if you want to enable remote access, you have to configure something in the firewall.

:~$ sudo firewall-cmd --permanent --zone=FedoraWorkstation --add-service=http

And finally, restart the Firewall service.

:~$ sudo systemctl restart firewalld

Next, open the web browser and go to localhost. You will see this:

And you can continue with the next step.

3. Install PHP

PHP is another fundamental component of LAMP. Without it, you will not be able to execute correctly web applications created in this language. So, it is necessary to install it.

:~$ sudo dnf install php php-cli php-xml php-pdo php-mysqlnd php-pear php-mbstring php-mcrypt

Now it is necessary to test the installation. Create a file named example.php in /var/www/html/ with the following content.

:~$ sudo vi /var/www/html/example.php

<?php
phpinfo();
?>

5. Creating a PHP file for testRestart apache service.

:~$ sudo systemctl restart httpd

Open a web browser and open it. http://IP_ADDRESS/example.php and if you see something like this, then everything goes in order.

The next step is to install MariaDB.

4. Install MariaDB

Now it’s MariaDB’s turn to install. This is so that the applications that require database can run. MariaDB is a MySQL fork that inherits its strength, robustness, and stability.

:~$ sudo dnf install mariadb mariadb-server

Then, enable the MariaDB service.

:~$ sudo systemctl enable mariadb
:~$ sudo systemctl start mariadb

Now, you have to define a password and some extra settings. For this, you will use the MySQL script.

:~$ sudo mysql_secure_installation

To the questions that arise, I have answered: Y, N, Y, Y.

And that’s it.

Conclusion

As you may have noticed, installing LAMP is really easy. The key is to do it methodically and everything becomes easy.

The LAMP is necessary for any web developer and for system administrators to be able to run their web applications.

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OrangeScrum is a fantastic open source project management software. It is ideal for small and medium-sized companies or work teams that are looking for orders and systematize the steps to carry out the project in question.

With this program, you will be able to plan, start, scale and launch your project in a very orderly way. You can Create and assign tasks with utmost clarity and timelines. Track task progress, contribute to the discussion threads, provide timely updates and track time spent on tasks effortlessly.

So, let’s install OrangeScrum on Ubuntu 18.04 LTS.

1. Upgrade the system

First of all, it is convenient to update the system. This ensures that all security updates are installed.

:~$ sudo apt update && sudo apt upgrade

The consequence of doing this step is that you will have the safety patches installed and your system will be more reliable and safer.

2. Install Apache web server

To install OrangeScrum on Ubuntu 18.04 you need an HTTP web server. There are many options, but the most recommended for this program is Apache web server.

:~$ sudo apt install apache2

Next, enable and start the apache service:

:~$ sudo systemctl enable apache2
:~$ sudo systemctl start apache2

Next, you can check the apache service.

:~$ sudo systemctl status apache2

Now, open your web browser and go to HTTP://IP_SERVER. If you this something like this, then, apache is correctly installed.

Now is PHP’s turn.

3. Install PHP

OrangeScrum is developed in PHP. Specifically in CakePHP. Therefore, it is necessary to install this language and its modules. Here I will also install other packages necessary for OrangeScrum to run smoothly.

:~$ sudo apt install unzip wget php7.2 php7.2-bcmath php7.2-cgi php7.2-cli php7.2-common php-curl php7.2-dba php7.2-enchant php7.2-fpm php7.2-gd php7.2-imap php7.2-intl php7.2-ldap php7.2-mbstring php7.2-mysql php7.2-opcache php-imagick php-memcache php7.2-soap php7.2-tidy php7.2-xml php7.2-zip libapache2-mod-php7.2 xvfb libfontconfig wkhtmltopdf

Then, you have to edit the PHP configuration file.

:~$ sudo nano /etc/php/7.2/apache2/php.ini

In this file, you have to set this options.

post_max_size = 200M
upload_max_filesize = 200M
max_execution_time = 300
memory_limit = 512M
max_input_vars = 5000

Note: To make the process easier, you can press CTRL + W to find exactly the parameter to edit.

Finally, restart apache2.

:~$ sudo systemctl apache2

Now, you can proceed with MariaDB.

4. Install MariaDB

MariaDB is a relational database manager derived from MySQL. To use OrangeScrum correctly you need to install it.

:~$ sudo apt install mariadb-server

Next, you can set a root password with mysql_secure_installation script. You can also configure other things.

:~$ sudo mysql_secure_installation

After defining the root password, you will be asked other questions. I answered N, N, Y, Y.

Next, you have to create the Database and user for OrangeScrum.

:~$ sudo mysql -u root -p
CREATE DATABASE orangescrum;
GRANT ALL PRIVILEGES ON orangescrum.* TO 'orangescrumuser'@'localhost' IDENTIFIED BY 'orangescrumbpss';
FLUSH PRIVILEGES;
exit;

Next, create a file to disable strict mode for MariaDB.

:~$ sudo nano /etc/mysql/conf.d/disable_strict_mode.cnf

And add the following:

[mysqld]
sql_mode="IGNORE_SPACE,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"

Finally, restart MariaDB.

:~$ sudo systemctl restart mariadb

And that’s all for MariaDB.

5. Install OrangeScrum

Now, you can install OrangeScrum. However, first download it.

:~$ cd /tmp
:~$ wget https://www.orangescrum.org/free-download/418ae4d8ef1309695804a7837cd4fc65/ubuntu18-php7 -O orangescrum-ubuntu18-php7.zip

Once the installation is complete, decompress the file.

:~$ unzip orangescrum-ubuntu18-php7.zip

Next, copy the folder to the Apache document root on /var/www/html/

:~$ sudo cp -r orangescrum-orangescrum-ubuntu18-php7 /var/www/html/orangescrum-master

Change the directory to orangescrum-master.

:~$ cd /var/www/html/orangescrum-master

Now, copy the orangeScrum database to the local instance. This is necessary to initialize the database.

:~$ sudo mysql -u orangescrumuser -p orangescrumdb < database.sql

Then, it is necessary to place the MariaDB credentials in the database.php file of OrangeScrum.

:~$ sudo nano app/Config/database.php

And put your credentials.

class DATABASE_CONFIG {

public $default = array(
'datasource' => 'Database/Mysql',
'persistent' => false,
'host' => 'localhost',
'login' => 'orangescrumuser',
'password' => 'password',
'database' => 'orangescrumdb',
'prefix' => '',
'encoding' => 'utf8',
);
}

Obviously, replace whatever you have to replace. For example, the password.

Next, it is necessary to set the credentials to the SMTP email server.

:~$ sudo nano app/Config/config.ini.php

And put your information.

Change the owner of the folder. Next, change the permissions.

:~$ sudo chown -R www-data:www-data /var/www/html/orangescrum-master/
:~$ sudo chmod -R 775 /var/www/html/orangescrum-master/

And enable the PHP and Apache modules. Finally, restart apache.

:~$ sudo phpenmod mbstring
:~$ sudo a2enmod rewrite
:~$ sudo a2enmod headers
:~$ sudo systemctl restart apache2

Now, you have the complete the installation on the web browser.

6. Accessing to the Web Interface

The last step is to access the web interface through the web browser. To perform the Login process.

Go to HTTP://IP_SERVER/orangescrum-master/

Create the user and then log in.

Then, you will see this.

And that’s it.

Conclusion

In any organization it is necessary to have a planning before starting a large project or a more basic one. So, OrangeScrum emerges as a very appealing alternative for small and medium enterprises.

You can also read “How to install Wekan on Debian 9“.

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Recently Fedora 29 came to light, loaded with some novelties that although not too many are important as Fedora Modularity.

With this in mind, many users plan to download it but do not always have the solid knowledge to do so. Or they just need a little help. That’s why this article will teach you how to install Fedora 29.

Preparing the installation

If you are not sure whether to install Fedora 29 on your main computer or just want to try it out, you can install it on a virtual machine. To do this you must have modern hardware that can withstand the load.

However, to install Fedora 29 in its main 64-bit Workstation version, you need at least 2Gb of Ram, a Dual Core processor that supports 64 bits and 20Gb of hard disk space. Come on, modern hardware can do it.

Let’s install Fedora 29

After downloading it from its official site, it prepares a pen drive with the system and starts booting. You will find this first screen:

In it, you must select the first option to start the Live session.

Then, the installer will give you two options. There is an option to try Fedora from an uninstalled Live session. And the other one where you can start the installation. Choose the second one to continue.

The next step is to choose the language of the installation. This is up to you. However, I believe that although it is in English, the steps are clear.

As you continue, it will give you a summary of the installation. Where you will have to partition the disk and keyboard layout.

On the partitioning screen, if you choose automatic, the process is simpler, but I’m going to show you how to partition manually so that you can do it yourself.

In this screen, you have to do the partitioning. Simply add a partition by clicking on the + button at the bottom left. Then, choose the partition type, size, and mounting point, in this case “/”. Don’t forget to define it as a standard partition.

Now, create the Swap partition. Likewise, click on the + button and then on Mount point choose swap and define the size.

When you have finished defining the partitions, click on done and you will be warned of the changes.

Next, select your timezone.

Now, you can start to install Fedora 29.

At the end of the installation, close the installer and restart the system, just like you would on any GNOME system.

Complete the installation

When you start the system, you will see this welcome screen.

Then, on the next screen, you can set two privacy options. In the first, if you want to use localization service for applications that require it. The second one, asks you about the possibility of automatically sending bug reports. Choose the way you want.

Fedora and GNOME allow you to synchronize data with cloud services, such as contacts, calendar and more. That’s why this screen gives you a choice. At the moment I won’t synchronize anything.

Then, add information about your user.

Now, create your password. I recommend that you be strong to improve the privacy and security of your data.

Finally, you have completed the installation of Fedora 29.

Click on Start Using Fedora button and that’s it.

Conclusion

As you can see, installing Fedora 29 is not such a complex matter. So I invite you to give this great version of the community distribution sponsored by Red Hat a try.

By the way, speaking of Red Hat, did you know it was acquired by IBM? We’ll tell you about it here.

Please spread this article through social networks. Share the information.

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At the moment there is a great love for dark themes, and an example of this is the implementation of Apple with Mac OS Mojave. In addition to being pleasing to the eye, they improve the productivity and health of our eyes. So, they are a success in this modern world.

In Linux, we have many dark and well-implemented themes like Nordic Theme.

Nordic Theme for Linux

Nordic is a Gtk3.20+ theme created using the awesome Nord color palette. This ensures that your components are subtly careful with design and color matching. Making the subject very delicate for our eyes, thus improving our computer performance.

A great advantage of using this theme is that it is released under the GPL 3 license, i.e. it is open source and can be used and modified to our liking.

Install Nordic Theme on any Linux distribution

As I said before, it’s a GTK theme that requires at least version 3.20. In short, it is compatible with many Linux distributions such as Debian 9, Ubuntu 18.04, Ubuntu 18.10, Linux Mint 19, Arch Linux or Manjaro.

First, download the theme using Git. Open a Terminal and run:

:~$ git clone https://github.com/EliverLara/Nordic.git

When you finish downloading the theme, you will have a folder called Nordic in your current location.

Now you must move it to the ~/.themes folder. If the folder doesn’t exist, you have to create it.

:~$ mv Nordic/ ~/.themes/

Now, select the downloaded theme from the tool that has your distribution. In the case of Ubuntu, open the Tweaks tool and choose the Nordic theme.

And now, you can enjoy your new theme installed.

Conclusion

One of the most enjoyable features of Linux is its ability to customize. Every day many GTK themes are published and with this new trend of dark themes appears Nordic.

Tell us, do you like this topic? do you use it? do you know others? let us know in the comments.

Previously we talked about Flat-Remix theme. You can read it here.

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Flat-Remix is a pretty simple icon theme inspired by material design. It can be installed on all Linux distributions that use GNOME as a desktop environment. It is also released under the GPLv3 license, which guarantees that you can modify and reuse it.

In addition, the theme is available in several versions (Main, Dark, Light) as well as an icon theme and for GNOME Shell.

As can been noted, the last stable version of this complete theme is 1.32 which was released a few days ago. In this new version, some bugs have been fixed and some icons have been updated.

Install Flat-Remix Icon set on any Linux Distribution

If you want to install Flat-Remix in any Linux distribution, I have the good news that is quite simple.

In the first place, you have to install git to clone the Git repository of the project. Open a Terminal, and then, type:

:~$ sudo apt install git

Now you can clone the first repository (icon set), to do it, run:

:~$ git clone https://github.com/daniruiz/flat-remix

Second, clone the other repository (GTK theme).

:~$ git clone https://github.com/daniruiz/flat-remix-gtk

The only thing left to do is to create the local folder where the theme will be.

:~$ mkdir -p ~/.icons && mkdir -p ~/.themes

Then, copy the contents of the cloned folder into the new one.

:~$ cp -r flat-remix/Flat-Remix* ~/.icons/ && cp -r flat-remix-gtk/Flat-Remix-GTK* ~/.themes/

Finally, open gnome-tweaks-tool and in the appearance section, choose the new theme.

Here’s part of the results.

Conclusion

Linux is destined for its capacity of customization and it is true that more and more the Linux distributions improve in visual aspects. However, excellent themes can always be found to further improve the appearance of the system.

I like to customize my work environment, so soon I’ll bring you another theme to install.

We want to hear from you, do you like flat-remix? did you know it? how did you like it?

Please spread this article through your social networks.

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Odoo is an open source integrated ERP system currently produced by the Belgian company Odoo S.A.

In the first place, what is a ERP? The ERP (Enterprise resource planning) systems are management information systems that integrate and manage many of the businesses associated with production operations and distribution aspects of a company engaged in the production of goods or services. In short, it is a administration system.

Some Odoo modules include inventory management, finance, administration, sales and more. In addition, you can activate the modules developed by community only necessaries for your organization ensuring the proper and efficient functioning of it.

Odoo is compatible with Linux and today i will install it on Debian. It’s easy.

0. Prerequisites

To install Odoo 12 on Debian 9 does not require high knowledge of Linux but a basic knowledge of terminal use. In addition to a user who can run commands as root user.

Under those circumstances, it is convenient to add that, Odoo requires PostgreSQL and Python 3.5.

Let’s start.

1. Upgrade the system

Before starting the installation of applications on our server, it is convenient to update all packages. This in order to have all the security patches and with them make the system more secure and stable. Run:

:~$ su
:~# apt update && apt upgrade

With this you will have Debian updated.

2. Install PostgreSQL

Odoo uses PostgreSQL as a database handler. Fortunately it is found in the official Debian repositories so its installation is easy.

:~# apt install postgresql

Once the installation is finished you have to enable the service so that it starts as soon as the system boots.

:~# systemctl enable postgresql

Then, you can check the status of the service.

:~# systemctl status postgresql

As you can see, PostgreSQL has been installed.

3. Install Odoo

By default, Odoo is not in the official Debain 9 repositories, so add its external repository to install it via APT. It is the fastest, easiest and most efficient way to install Odoo. First, run:

:~# wget -O - https://nightly.odoo.com/odoo.key | apt-key add -

Then,

:~# echo "deb http://nightly.odoo.com/12.0/nightly/deb/ ./" >> /etc/apt/sources.list.d/odoo.list

Now, refresh the APT package list:

:~# apt update

Finally install Odoo:

:~# apt install odoo

At the end of the installation it is convenient to check the status of the service, to check that it is running.

:~# sytemctl status odoo

As can been noted, everything is OK.

4.- Access from the web browser

At this point, you can access the web interface, however, you need to configure a last point. The password of the user. Open /etc/odoo/odoo.conf file.

:~# nano /etc/odoo/odoo.conf

And set your admin password.

Now, restart the odoo service.

:~# systemctl restart odoo

Finally, you can access from the web browser. Go to http://IP_SERVER:8069. And you will see this.

Enter all the requirements they ask you and click on Create Database Button.

Remeber the password is the same that you defined on odoo.conf file.

After that, you will see the screen where you can install the modules that make up the system.

All that’s left is for you to install the modules you need and enjoy it.

Conclusion

Odoo is a great flexible system that allows you to install modules that work independently but together form a powerful tool for your company.

We want to hear from you, have you used Odoo? Do you like Odoo? Do you know another ERP? Did this tutorial help you?

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MySQL is an open-source relational database management system (RDBMS). It is very popular among developers for being free, easy to use and very secure. In many cases, it is the entry point to other more robust applications such as Oracle Database or IBM DB2.

At the same time, many people who start with MySQL don’t feel comfortable with the way they perform operations because everything is through CLI. With the aim of minimizing the difficulty to visualize data, create a database and perform more actions with MySQL using less time is that tools such as MyWebSQL emerge.

MyWebSQL is an open source, web-based, WYSIWYG MySQL client written in PHP. It utilizes modern day technologies and browsers to provide a fast, intuitive querying and editing interface to the MySQL databases.

It was created with the following points in mind.

• Easy deployment and usage.
• Fast querying and editing on MySQL databases.
• Developer friendly to save time spent on queries and working with results.
• Usable with all major browsers without any loss of functionality.

As you can see, it is a software designed to save time with MySQL. Let’s install MyWebSQL on CentOS 7.

0. Prerequisites

The installation is really simple, however, you must take into account the following:

• MyWebSQL is also compatible with MariaDB which is a 100% MySQL compatible fork. It is the one I will use.
• You have to install LAMP first. It is not difficult.
• The commands must be executed as root user.
• The packages wget and unzip, must be installed.

Let’s get to work.

1. Install Apache web server and PHP

The first element that you need is Apache web server. To do this, run:

:~$ su
:~# yum install httpd

Then, enable it and start it.

:~# systemctl enable httpd
:~# systemctl start httpd

Then, set the Firewall rule:

:~# firewall-cmd --zone=public --add-service=http --permanent
:~# firewall-cmd --reload

To check that the whole process has been successful, go to your web browser and go to http://IP_SERVER and if you see the following, then everything is fine.

Now is PHP’s turn.

:~# yum install php php-mysql php-cli php-xml php-gd

Create a new file called t.php on /var/www/html/

:~# nano /var/www/html/t.php

And put the following:

<?php
phpinfo();
?>

Save and close the file.

Next, you have to restart apache service:

:~# systemctl restart httpd

Now, go to the web browser and try to go to http://IP_SERVER/t.php. If you see this, PHP is installed.

Note: If you want to install a more recent PHP version, I explained it here.

2. Install MariaDB

Don’t be confused, MariaDB is a fork absolutely compatible with MySQL. In addition, it comes by default in the official CentOS 7 repositories. It currently has a great support and a very active community, so it is the best option.

To install MyWebSQL this step is vital.

:~# yum install mariadb-server

Then, start and enable the service:

:~# systemctl enable mariadb
:~# systemctl start mariadb

Now, configure MariaDB using the mysql_secure_installation script.

:~# mysql_secure_installation

First, log in without a password since it has not been defined and then create one. To the rest of the questions answer, as you want, I did so: Y, N, Y, Y.

3. Install MyWebSQL

The time has come to install MyWebSQL. First, you have to download it.

:~# cd /opt/
:~# wget https://downloads.sourceforge.net/project/mywebsql/stable/mywebsql-3.7.zip

The next step is to unzip it in the apache root directory, i.e. /var/www/html.

:~# unzip mywebsql-3.7.zip -d /var/www/html/

Restart Apache.

:~# systemctl restart httpd

And that’s it.

4. Accessing to MyWebSQL

After restarting Apache web server, you should be able to start the application. Open your web browser and go to http://IP_SERVER/mywebsql.

In the place, the credentials of your server. Username and password. And then access.

As this is a newly created instance, there is not much information to show. However, I will show MySQL users.

Conclusion

To install MyWebSQL requires certain prerequisites, however, its installation is really simple. This application is very useful for those who use MySQL on a daily basis and need to see data graphically and easily.

We want to know your opinion, did you know about this application? Have you used them? How was your experience with it?

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