This post describes the D-Bus interface to FirewallD and provides a number of working examples which use dbus-send to retrieve information from FirewallD and change the firewall configuration.
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RHEL/CentOS 7 uses SystemD predictable network interface names. This post shows you how to rename a network interfcae to eth0,/em>without modifying the kernel commnad line or any udev rules, and without requiring a sytem reboot. In this post, I show you how to configure a host ISO-based package repository on a CentOS 7.2 VM running on VMware Workstation. If you are preparing for the RHCSA exam, this post should be of interest to you. I provide a Bash script which will fully configure a simple OpenLDAP directory server which you can then use to test that your OpenLDAP client setup is correct. This blog post discusses my viewpoint that systemd adds no value when used on an enterprise server such as RHEL7 and, in fact, results in a misuse of scarce corporate or governmental resources for no discernable increase in security or productivity. |
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