Of course, besides the package manager (apt), there are some differences between RHEL and Centreon:
Packages management
| RHEL | Debian | |
|---|---|---|
| Get list of repositories | yum repolist | grep ^ ^#] /etc/apt/sources.list /etc/apt/sources.list.d/* |
| Clean cache | yum clean all | apt clean all |
| Create cache | yum makecache | apt update |
| Install a package | yum install centreon-web | apt install centreon-web |
| Update a package | yum update centreon-web | apt upgrade centreon-web |
| Reinstall a package | yum reinstall centreon-trap | apt reinstall centreon-trap |
| Search for a package | yum search centreon-web | apt search centreon-web |
| Get information about a package | yum info centreon-web | apt info centreon-web |
| Know which package provide a binary | yum provides */centreontrapd | dpkg -S centreontrapd |
| Interrogate list of installed package | rpm -qa | apt list --installed |
| Know which dependencies will be installed with a package | yum deplist centreon-tra | apt depends centreon-trap |
Define proxy for packages manager
| RHEL | Debian |
|---|---|
| cat <<EOF >> /etc/yum.conf proxy=http://10.0.0.133:3128 EOF | cat <<EOF >> /etc/apt/apt.conf.d/80proxy Acquire::http::proxy "http://10.0.0.133:3128/"; Acquire::https::proxy "http://10.0.0.133:3128/"; Acquire::ftp::proxy "ftp://10.0.0.133:3128/"; EOF |
Process start options
| RHEL | Debian |
|---|---|
| /etc/sysconfig/{centreontrapd, gorgoned, snmpd, snmptrapd} | /etc/default/{centreontrapd, gorgoned, snmpd, snmptrapd} |
Apache logs
| RHEL | Debian |
|---|---|
| /var/log/httpd/ (EL8) /var/log/httpd24/ (EL7) | /var/log/apache2/ |
Apache user
| RHEL | Debian |
|---|---|
| apache | www-data |
Apache configuration
| RHEL | Debian |
|---|---|
| /etc/httpd/conf.d/10-centreon.conf (EL8) /opt/rh/httpd24/root/etc/httpd/conf.d/10-centreon.conf (EL7) | /etc/apache2/sites-available/centreon.conf |
Securitization of Apache on Debian
Edit /etc/apache2/conf-enabled/security.conf file and add:
Header set X-Frame-Options: "sameorigin"
Header always edit Set-Cookie ^(.*)$ $1;HttpOnly;Secure;SameSite=Strict
Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains"
ServerSignature Off
ServerTokens Prod
TraceEnable OffFor RHEL 7/8, follow this chapter
PHP error logs
| RHEL | Debian |
|---|---|
| /var/log/php-fpm/centreon-error.log | /var/log/apache2/error.log |