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Update check_sudo.sh

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spiritLHLS 2022-12-18 17:24:31 +08:00 committed by GitHub
parent 4a03eafd2a
commit 3918cbd856
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1 changed files with 9 additions and 2 deletions
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check_sudo.sh
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@ -39,20 +39,27 @@ HOSTS_LINE="$(grep $HOSTNAME /etc/hosts)"
if [ -z "$HOSTS_LINE" ]; then
# Hostname not found in /etc/hosts. Add it.
yellow "Updating /etc/hosts with hostname: $HOSTNAME"
sudo bash -c "echo '127.0.0.1 $HOSTNAME' >> /etc/hosts"
echo "127.0.0.1 $HOSTNAME" | sudo tee -a /etc/hosts
else
# Hostname found in /etc/hosts. Check if the IP address is correct.
HOSTS_IP="$(awk '{print $1}' <<<$HOSTS_LINE)"
if [ "$HOSTS_IP" != "127.0.0.1" ]; then
# IP address is incorrect. Update it.
yellow "Updating IP address for $HOSTNAME in /etc/hosts"
sudo sed -i "s/$HOSTS_IP/127.0.0.1/g" /etc/hosts
temp_file=$(mktemp)
backup_file="/etc/hosts-$(date +%Y%m%d%H%M%S).bak"
cp /etc/hosts "$backup_file"
yellow "Backed up /etc/hosts to $backup_file"
awk -v new_ip="127.0.0.1" -v hostname="$HOSTNAME" '{ if ($2 == hostname) { print new_ip " " $2 } else { print $0 } }' /etc/hosts > "$temp_file"
cp "$temp_file" /etc/hosts
rm "$temp_file"
else
# Hostname and IP address are correct. No changes needed.
green "Hostname and IP address in /etc/hosts are correct."
fi
fi
# Check if the sudo command works
sudo yellow "Testing sudo command..."
if [ $? -eq 0 ]; then