Created
March 5, 2026 10:11
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Script to fix macOS hostname
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| #!/bin/bash | |
| # Script to fix macOS hostname | |
| # Usage: ./fix-hostname.sh <desired-hostname> | |
| if [ -z "$1" ]; then | |
| echo "Usage: $0 <hostname>" | |
| echo "Example: $0 MyMacBook" | |
| exit 1 | |
| fi | |
| HOSTNAME="$1" | |
| echo "Setting hostname to: $HOSTNAME" | |
| # Set all three hostname types | |
| sudo scutil --set ComputerName "$HOSTNAME" | |
| sudo scutil --set LocalHostName "$HOSTNAME" | |
| sudo scutil --set HostName "$HOSTNAME" | |
| # Flush DNS cache | |
| sudo dscacheutil -flushcache | |
| # Restart mDNSResponder | |
| sudo killall -HUP mDNSResponder | |
| echo "" | |
| echo "Hostname updated successfully!" | |
| echo "Current settings:" | |
| echo " ComputerName: $(scutil --get ComputerName)" | |
| echo " LocalHostName: $(scutil --get LocalHostName)" | |
| echo " HostName: $(scutil --get HostName)" | |
| echo "" | |
| echo "Please restart your terminal for changes to take effect." |
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