as a fix solution you can use google, as smtp relay for e.g. notifications. In this example I am working on a Fedora 27 Host.

Install needed packages

dnf -y install postfix mailx cyrus-sasl-plain

Restart and enable services

systemctl restart postfix && systemctl enable postfix

Adjust /etc/postfix/ depends your needs (mark...

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common on recent harware changes
First boot into the rescue mode, then change to the boot directory

cd /boot

perform a copy of the current files as security purpose

cp -p initramfs-3.10.0-693.17.1.el7.x86_64.img initramfs-3.10.0-693.17.1.el7.x86_64.img.bak

build a new one

dracut -f -H initramfs-3.10.0-693.17.1.el7.x86_64.img 3.1...

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Open a regular command prompt (win+r then cmd)
Right-click the title bar and select Properties
Deselect “Use legacy console (requires restart)”

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