How To Install libapache2-mod-ruid2 on Debian 9

In this tutorial we learn how to install libapache2-mod-ruid2 on Debian 9. libapache2-mod-ruid2 is suexec module for Apache 2

Introduction

In this tutorial we learn how to install libapache2-mod-ruid2 on Debian 9.

What is libapache2-mod-ruid2

libapache2-mod-ruid2 is:

ruid2 is based on mod_ruid and mod_suid2 but it has better performance than mod_suid2 because it doesn’t need to kill httpd children after one request.

It makes use of kernel capabilities and after receiving a new request suids again. There are some security issues, for instance if attacker successfully exploits the httpd process, he can set effective capabilities and setuid to root. For this reason, it is recommended to be used in conjunction with a kernel security patch (eg. grsec).

There are three methods to install libapache2-mod-ruid2 on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libapache2-mod-ruid2 Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libapache2-mod-ruid2 using apt-get by running the following command:

sudo apt-get -y install libapache2-mod-ruid2

Install libapache2-mod-ruid2 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libapache2-mod-ruid2 using apt by running the following command:

sudo apt -y install libapache2-mod-ruid2

Install libapache2-mod-ruid2 Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libapache2-mod-ruid2 using aptitude by running the following command:

sudo aptitude -y install libapache2-mod-ruid2

How To Uninstall libapache2-mod-ruid2 on Debian 9

To uninstall only the libapache2-mod-ruid2 package we can use the following command:

sudo apt-get remove libapache2-mod-ruid2

Uninstall libapache2-mod-ruid2 And Its Dependencies

To uninstall libapache2-mod-ruid2 and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove libapache2-mod-ruid2

Remove libapache2-mod-ruid2 Configurations and Data

To remove libapache2-mod-ruid2 configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge libapache2-mod-ruid2

Remove libapache2-mod-ruid2 configuration, data, and all of its dependencies

We can use the following command to remove libapache2-mod-ruid2 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libapache2-mod-ruid2

Dependencies

libapache2-mod-ruid2 have the following dependencies:

References

Summary

In this tutorial we learn how to install libapache2-mod-ruid2 package on Debian 9 using different package management tools: apt, apt-get and aptitude.