sudo apt-get install ack-grep


ack-grep is already the newest version (2.22-1)

but ack-grep gives

ack-grep: command not found

It was working fine in Ubuntu 16.04, before upgrading to 18.04

1 Answer 1


ack-grep is a meta package to pull ack in 18.04.

Try to do sudo apt install ack and execute ack instead of ack-grep ; that's a proper command.

  • Ok thanks. Ack.vim plugin is still broken, ack-grep: command not found. Any ideas?
    – rigyt
    May 16, 2018 at 18:36
  • It could be the plugin issue...
    – Aryo Adhi
    May 16, 2018 at 18:38
  • 1
    Installing The Silver Seacher fixed it github.com/ggreer/the_silver_searcher
    – rigyt
    May 24, 2018 at 11:58

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