How to Fix “dependencies were not found: PHP MultiByte” in Linux Server

In web server administration, encountering errors and dependencies is a common occurrence. One such issue that might arise during the installation of software like gforge Collaborative development is the “dependencies were not found: PHP MultiByte” error. This tutorial will guide you through the process of installing PHP MultiByte on your Linux server, specifically on CentOS or RHEL, to resolve this issue.

Before we dive into the solution, it’s important to understand what PHP MultiByte is. PHP MultiByte, or PHP mbstring, is an extension that provides multibyte specific string functions. This extension is essential for managing Unicode strings and is a requirement for many web applications.

For more in-depth knowledge about different web servers, you can visit our articles on server software, including Apache, Nginx, and LiteSpeed.

Installing PHP MultiByte on Linux Server

To install PHP MultiByte on your Linux server, you need to run the following command:

yum install php-mbstring

This command will initiate the installation of PHP with mbstring support.

[root@server ~]# yum install php-mbstring
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * addons: centos.maulvi.net
 * base: centos.maulvi.net
 * extras: centos.maulvi.net
 * updates: centos.maulvi.net
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package php-mbstring.i386 0:5.1.6-27.el5_5.3 set to be updated
--> Finished Dependency Resolution

Dependencies Resolved

==========================================================================================
 Package                Arch           Version                       Repository      Size
==========================================================================================
Installing:
 php-mbstring           i386           5.1.6-27.el5_5.3              base           995 k

Transaction Summary
==========================================================================================
Install       1 Package(s)
Upgrade       0 Package(s)

Total download size: 995 k
Is this ok [y/N]: y
Downloading Packages:
php-mbstring-5.1.6-27.el5_5.3.i386.rpm                             | 995 kB     00:33
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing     : php-mbstring                                                       1/1

Installed:
  php-mbstring.i386 0:5.1.6-27.el5_5.3

Complete!

Here’s a step-by-step breakdown of what happens when you run this command:

  1. The system will load plugins, including the ‘fastestmirror’ plugin. This plugin is responsible for determining the fastest mirror from which to download the required packages.
  2. The system will then load mirror speeds from the cached hostfile. This file contains a list of mirrors for the repositories that your system uses.
  3. The system will set up the installation process and start resolving dependencies. This is where the system checks if all the necessary dependencies for the package are already installed. If not, it will also install those dependencies.
  4. The system will run a transaction check and set the package php-mbstring.i386 0:5.1.6-27.el5_5.3 to be updated.
  5. After finishing the dependency resolution, the system will display a summary of the transaction. This summary includes the package to be installed, its architecture, version, repository, and size.
  6. The system will then ask for your confirmation to proceed with the download and installation. You need to type ‘y’ and press Enter to continue.
  7. The system will download the package and run rpm_check_debug and Transaction Test. These checks ensure that the package doesn’t conflict with any existing packages and that it can be safely installed.
  8. Finally, the system will install the package and display a completion message.
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Commands Mentioned

  • yum install php-mbstring – This command installs the PHP mbstring extension on your Linux server.

Conclusion

Resolving the “dependencies were not found: PHP MultiByte” error on your Linux server is a straightforward process. By running the ‘yum install php-mbstring’ command, you can easily install the PHP mbstring extension and resolve this issue. This tutorial provided a step-by-step guide on how to do this, along with an explanation of what happens when you run the command.

Remember, understanding the underlying processes and commands you’re running on your server is crucial for effective server management. For more information on different types of hosting, you can visit our articles on dedicated, VPS, cloud, and shared hosting.

See also  How to Install and Update OpenSSL on CentOS

By continually expanding your knowledge and understanding, you can ensure that you’re well-equipped to handle any issuesthat may arise in your server environment. Whether you’re a seasoned webmaster or a beginner, there’s always something new to learn in the ever-evolving field of web server administration.

Stay curious, keep learning, and happy hosting!

FAQs

  1. What is PHP MultiByte?

    PHP MultiByte, also known as PHP mbstring, is an extension that provides multibyte specific string functions. It is essential for managing Unicode strings and is a requirement for many web applications.

  2. What does the ‘yum install php-mbstring’ command do?

    The ‘yum install php-mbstring’ command installs the PHP mbstring extension on your Linux server. This extension is necessary for handling multibyte string functions in PHP, which are essential for managing Unicode strings.

  3. Why am I getting a ‘dependencies were not found: PHP MultiByte’ error?

    You’re getting this error because your Linux server is missing the PHP mbstring extension, which is a requirement for the software you’re trying to install. This extension is necessary for handling multibyte string functions in PHP.

  4. What is the ‘fastestmirror’ plugin in yum?

    The ‘fastestmirror’ plugin in yum is a plugin that determines the fastest mirror from which to download the required packages. It does this by timing the mirrorlist servers and selecting the fastest responding server.

  5. What is a transaction check in yum?

    A transaction check in yum is a process where the system checks if all the necessary dependencies for the package are already installed. If not, it will also install those dependencies. It also ensures that the package doesn’t conflict with any existing packages and that it can be safely installed.

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