Validator Home
Old Server housekeeping

8min
Update your server
Run as sudo / root user
Reboot if you have a new kernel installed during the update that needs loaded.
Bash
sudo -s &&
sudo -s &&
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Bash
apt-get update -y && apt upgrade
apt-get update -y && apt upgrade
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Stop old system service
Use  status to check if its running, stop to stop the service, and disable to prevent it from loading next reboot
Bash
systemctl status xand.service
systemctl disable xand.service
systemctl stop xand.service
systemctl status xand.service
systemctl disable xand.service
systemctl stop xand.service
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SSH Keys
If you want to make a new user sol to match the new guide, then make sure your ssh keys to login remotly are stored in your home dir for sol or root users (not only in xand home dir. Careful with the ssh keys...if you remove them you could lock yourself out of your server...
Check for keys in root
Bash
sudo cat ~/.ssh/authorized_keys
sudo cat ~/.ssh/authorized_keys
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Check for keys in xand
Bash
su xand
su xand
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Bash
cd ~
cat ~/.ssh/authorized_keys
cd ~
cat ~/.ssh/authorized_keys
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Copy from xand and append to root keys file
Bash
sudo -i
sudo -i
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Bash
sudo cat /home/xand/.ssh/authorized_keys >> /root/.ssh/authorized_keys
sudo cat /home/xand/.ssh/authorized_keys >> /root/.ssh/authorized_keys
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Validator Keypairs
Make sure you have copied your validator keypairs if they are needed for the new server.
Otherwise they can be created new during install of the validator software. 
There is no reason to re-use the old one, only personal preferance.
Remove xand user account
Once you have sucessfully logged into your server using either root or sol user, and copied/backed up any files you need, you may wish to remove everything from xand user and their files.
Bash
sudo -s
sudo -s
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Bash
userdel -rf xand
userdel -rf xand
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