Chapter 1. Before Starting
Prepare the installation materials, back up anything important that might be unique to the machine.
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Download the new distribution
Either KDE Neon or Kubuntu. Remember that KDE Neon will have the latest KDE and will be out-of-date for everything else, because it's based on the Ubuntu LTS. So: use Neon if an LTS has just come out, and Kubuntu otherwise.
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Make USB Stick
Download the iso
Burn it with
usb-creator-kde
, not as root. -
Backup
Check for things that have been lost in the past.
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/etc/fstab
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Network settings
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.config/Synergy/Synergy.conf
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Home directory symlinks
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monitor configuration, especially
/etc/X11/xorg.conf
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text files in home dir
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unison working files
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certificates
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Local
~/bin
scripts
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Wipe the old hard drive
shred -v -n 1
/dev/sda
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Reinstall
Install from USB