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Apple bugs

sh: /usr/bin/lockfile: No such file or directory

sh: /usr/bin/lockfile: No such file or directory in Mac OS X El Capitan explained and fixed.

Q.

Mysterious error message after updating to El Capitan: sh: /usr/bin/lockfile: No such file or directory

A.

[I]n El Capitan B4, Apple decided to stop shipping Procmail, and with it, lockfile. It wasn’t deprecated and then removed… it was unceremoniously sent to the bit bucket. So, as of B4, scheduling in El Capitan broke.

Shirt Pocket Watch: Oh yeah? Well, lock *this*!

By Jeffrey Zeldman

“King of Web Standards”—Bloomberg Businessweek.

Hi! I’m a principal designer at Automattic, Inc. Also: Publisher and founder, A List Apart “for people who make websites.” Publisher and co-founder, A Book Apart—brief books for people who design, write, and code. Co-founder and co-host, An Event Apart UX & front-end conference. Faculty, MFA Interaction Design, School of Visual Arts, NYC. Host, The Big Web Show. Have written two books, notably ”Designing With Web Standards,“ currently in its 3rd Edition, and, on last count, translated into 15 languages and used as a text in 85 universities.