> When was the last time you read a manpage about launchd or one of its helpers?
Every time I had to write a lauchdaemon to implement the equivalent of what would be done in cron or inetd.
But I do a lot of Mac sysadmin work.
Every time I had to write a lauchdaemon to implement the equivalent of what would be done in cron or inetd.
But I do a lot of Mac sysadmin work.
It appears that "run a python program as root on a schedule regardless of if anyone is logged in" is no longer possible on a Mac. Or rather, me and my CS PhD aren't capable of figuring out how to do it. I just keep a terminal window open at all times as a reminder to occasionally manually run the script.
launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.rethinkdb.plist
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.rethinkdb.plist
cassandra
To have launchd start cassandra at login:
ln -sfv /usr/local/opt/cassandra/*.plist ~/Library/LaunchAgents
Then to load cassandra now:
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.cassandra.plist
To have launchd start redis at login:
ln -sfv /usr/local/opt/redis/*.plist ~/Library/LaunchAgents
Then to load redis now:
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.redis.plist
Or, if you don't want/need launchctl, you can just run:
redis-server /usr/local/etc/redis.conf
$ brew info cassandra
cassandra: stable 2.1.2
http://cassandra.apache.org
Not installed
From: https://github.com/Homebrew/homebrew/blob/master/Library/Formula/cassandra.rb
==> Caveats
If you plan to use the CQL shell (cqlsh), you will need the Python CQL library
installed. Since Homebrew prefers using pip for Python packages, you can
install that using:
pip install cql
To have launchd start cassandra at login:
ln -sfv /usr/local/opt/cassandra/*.plist ~/Library/LaunchAgents
Then to load cassandra now:
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.cassandra.plist'gem install lunchy' to install it. Your commands would have been eg 'lunchy stop rethinkdb', 'lunchy start rethinkdb' - it matches on substrings. The ln step is handled slightly differently - it doesn't work with lists of files, and installs to two different places, but this is roughly equivalent:
for f in /usr/local/opt/cassandra/*.plist; do lunchy install -s $f; done
I wish there were some sort of Guild of OS Developers that could be relied on to enforce the inclusion of standardized tools in all OS's released by its members. It seems that a lack of an organizing body to enforce these standards - or in Apples' case, any way for the public to influence the standards they dictate - is a real problem with OS development today.
Nevertheless, good to know about lunchy. I will try to remember to check it out some time.