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  1. FirewallD Rich Rules

    Use FirewallD rich rules to allow unresticted access from a single host or subnet.

    firewall-cmd --zone=public --add-rich-rule='rule family="ipv4" source address="203.0.113.0/24" accept'
    

    The above will add a rule to the public zone that will allow ipv4 connectivity on all ports from and address …

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  2. Signing GnuPG keys with caff

    Background

    These are my notes on getting caff configured and working in order to send signed keys after the OhioLinuxFest keysigning. All of this was done on a Fedora 24 Workstation using only the standard repositories. If you're looking for instructions here, your milage will surely vary.

    Installation, Configuration and …

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  3. Configuring ipmi using ipmitool

    Packages and Services

    On RHEL7Server the OpenIPMI and ipmitool are necessary to configure and use IPMI.

    $ yum install OpenIMPI ipmitool
    

    Networking

    $ sudo ipmitool lan set 1 ipsrc static
    $ sudo ipmitool lan set 1 ipaddr 203.0.113.45
    $ sudo ipmitool lan set 1 netmask 255.255.255.0
    $ sudo ipmitool …
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  4. Reinstall the Kernel with yum

    After failing to update the initrd after making changes to the plymouth boot I was unable to boot into the kernel. The yum reinstall fixed this

    $ yum reinstall kernel
    

    However, this doesn't always work. If yum feels the kernel is already installed and healthy this will return 'nothing to do' …

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