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https://github.com/bigbeartechworld/big-bear-scripts.git
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222e6af258
This commit refactors all the shell scripts to use `#!/usr/bin/env bash` instead of `#!/bin/bash`. This change ensures that the scripts will run with the system's default Bash interpreter, even if it is not located at the standard `/bin/bash` path.
35 lines
1.0 KiB
Bash
35 lines
1.0 KiB
Bash
#!/usr/bin/env bash
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# This script restores the original DNS settings and re-enables systemd-resolved
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# Check for root privileges
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root."
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exit 1
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fi
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resolv_conf="/etc/resolv.conf"
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backup_resolv_conf="/etc/resolv.conf.bak"
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# Restore the original resolv.conf from backup if it exists
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if [ -f "$backup_resolv_conf" ]; then
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echo "Restoring the original DNS settings from backup..."
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cp "$backup_resolv_conf" "$resolv_conf"
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echo "Restored /etc/resolv.conf:"
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cat "$resolv_conf"
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else
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echo "No backup found. Cannot restore the original DNS settings."
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exit 1
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fi
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# Re-enable and start systemd-resolved if it was disabled
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if systemctl is-enabled systemd-resolved.service | grep -q 'disabled'; then
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echo "Re-enabling and starting systemd-resolved..."
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systemctl enable systemd-resolved.service
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systemctl start systemd-resolved.service
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else
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echo "systemd-resolved was not disabled by the script, no action needed."
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fi
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echo "Script reversal complete."
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