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MSayib/flushdns.md

Last active July 2, 2024 17:07
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Flush DNS MacOS
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flushdns.md

Run: sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

Using Alias:

  • For bash : 
    echo "alias flushdns='sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder'" >> ~/.bashrc && source ~/.bashrc
    or 
    echo "alias flushdns='sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder'" >> ~/.bash_profile && source ~/.bash_profile
  • For zsh : 
    echo "alias flushdns='sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder'" >> ~/.zshrc && source ~/.zshrc
  • Try flushdns and hit Enter: 
    flushdns
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