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Using string manipulation to replace string with asterisks.
$ a="abctextxyz";
b="${a:3:$((${#a}-6))}";
echo...
I believe i got it working. So i had to enable F12 boot menu to select a device to boot from rather than prioritizing the boot devices from BIOS. I have an Acer E15. I spent 3 days slaving over...
This is my backup regime which I have been using for years. I am open to suggestions if it can be improved upon.
For a bare bones backup use clonezilla to copy your system. I ended up completely reinstalling Ubuntu (upgraded to 18.04). I know this isn't really a solution, but at least now the question can be closed. Yes, you can remove or disable ufw
and/or gufw
without any problem. It will not affect your iptables
configuration. UFW (Uncomplicated Firewall) was simply...