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Security

How do I turn enforcing SELinux on/off at boot?

You can specify the SELinux mode using the configuration file /etc/sysconfig/selinux. # This file controls the state of SELinux on the system. # SELINUX= can take one of these three values: # enforcing – SELinux security policy is enforced. # permissive – SELinux prints warnings instead of enforcing. # disabled – No SELinux policy is […]

How do I allow a normal user to run commands as root and how to use the sudo command?

The sudo command allows users to do tasks on a Red Hat Enterprise Linux system as another user. sudo is different from the su command and is more flexible and more secure. One significant advantage is that it can log usage. By default the program saves log data in the file /var/log/secure. The sudo program […]

How do I make a user public_html directory work under SELinux?

This process presumes that you have enabled user public HTML directories in your Apache configuration file, /etc/httpd/conf/httpd.conf. This process only covers serving static Web content. For more information about Apache HTTP and SELinux, refer to http://fedora.redhat.com/docs/selinux-apache-fc3/. If you do not already have a ~/public_html directory, create it and populate it with the files and folders […]