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  1. LetsEncrypt remote installation and renew

    Generate Certificate

    I have not tested this recently so revise when completing again

    letsencrypt certonly -d <website> --manual --manual-public-ip-logging-ok

    Then follow the same steps as for renewing

    The required apache config is below:

    SSLEngine on
    SSLProtocol all -SSLv2 -SSLv3
    SSLCertificateFile ...
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  2. XenServer 6.5 + mdadm raid stripe

    Enable Raid stripe module

    1. Create file /etc/sysconfig/modules/raid.modules with needed modules

    echo "modprobe raid1" > /etc/sysconfig/modules/raid.modules

    you can add lines for another raid level (raid0 or raid10 for example)

    1. Make this file executable

    chmod +x /etc/sysconfig/modules/raid.modules

    1. Reboot.

    May not survive ...

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