When you need to purge binary logs on a MySQL server, you just need to connect to your server and use the PURGE BINARY LOGS command.

SNMPTT installation on CentOS 7 for Zabbix integration

If you are working in on a Linux OpenLDAP server, the LDAP protocol is very useful to centralize authentication.

However, as your LDAP directory grows, you might get lost in all the entries that you may have to manage.

Luckily, there is a command that will help you search for entries in a LDAP directory tree : ldapsearch.

You'll need to get a usb-serial adapter and then connect with a console cable. Adapters aren't very expensive.