Re: OT LaunchDaemon

[Alejandro Imass]

On Sat, Oct 1, 2016 at 11:43 PM, James Linder  wrote:
> Over the years I’ve seen many clever people here, perchance one of them will 
> cast an eye and say THERE . . .
>
> I’m trying to run a rc.local at start up
> I created a launchdaemon
>

Last I checked I think I saw supervisor in MacPorts. With some simple
config supervisor works really well and it really simple (haven't
tested MacPorts version though).

Best,
Alejandro Imass
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Re: OT LaunchDaemon

[Craig Treleaven]

> On Oct 1, 2016, at 11:43 PM, James Linder  wrote:
> 
> Over the years I’ve seen many clever people here, perchance one of them will 
> cast an eye and say THERE . . .
> 
> I’m trying to run a rc.local at start up
> I created a launchdaemon
> 
> haycorn:jam root# cat /Library/LaunchDaemons/local.startup.plist
> 
>  "http://www.apple.com/DTDs/PropertyList-1.0.dtd;>
> 
> 
>Label local.startup
>Disabled  
>RunAtLoad 
>KeepAlive 
>LaunchOnlyOnce
>ProgramArguments
>  
>   /bin/bash
>   -c
>/etc/rc.local
>  
> 
> 
> 
> It does not run. Following the launchd.info->troubleshooting www everything 
> does run without complaint. 
> (Im creating a ramdisk, but what ever is in rc.local)
> haycorn:jam root# ls -l /etc/rc.local
> -rwxr-xr-x  1 root  wheel  108  2 Oct 09:58 /etc/rc.local
> haycorn:jam root# cat /etc/rc.local
> #!/bin/bash
> 
> DISK_ID=$(hdiutil attach -nomount ram://204800)
> diskutil erasevolume HFS+ "ramdisk" ${DISK_ID}
> 
> I’ve tried specifing Program and 644 permissions on rc.local

[Try again using the righ email.]

I’m no expect, but I don’t think you need the “-c” parameter.  You already have 
a reference to a file.

You may also want to add keys to direct stdout and stderr to a file.  Ala:

StandardOutPath
/tmp/test.stdout
StandardErrorPath
/tmp/test.stderr

I think the following web site is pretty good at explaining how to use launchd 
plists:

http://launchd.info

You can also check ‘man launchd.plist’ for a reference.

Craig
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Re: OT LaunchDaemon

[Brandon Allbery]

On Sun, Oct 2, 2016 at 12:10 AM, James Linder  wrote:

>
> as the magistrate says “that has a ring of truth to it”
> It does not quite work for me (I ran launchctl not launchd) but it
> certainly will lead to the solution so thanks again


bleh. sorry, spending too much time on linux these days, it is launchctl
indeed. Beyond that all I could have suggested was logging the output from
the script to see if any useful errors were coming up, and/or checking
Console.app.


-- 
brandon s allbery kf8nh   sine nomine associates
allber...@gmail.com  ballb...@sinenomine.net
unix, openafs, kerberos, infrastructure, xmonadhttp://sinenomine.net
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Re: OT LaunchDaemon

[James Linder]

On 2 Oct 2016, at 11:53 AM, Brandon Allbery  wrote:
> 
> 
> On Sat, Oct 1, 2016 at 11:43 PM, James Linder  wrote:
> I’m trying to run a rc.local at start up
> I created a launchdaemon
> 
> Did you load it? In 10.5 the keys in the launchd plist were sufficient, but 
> this made per-user launchd config difficult; later versions store the 
> "enabled" bit in per-uid databases (including for root) and require you to 
> manipulate that database:
> 
> launchd load -w /Library/LaunchDaemons/local.startup.plist
> 
> The -w is what updates the database so it will load on subsequent boots.
> 
> I've created several local launchd plists that way, and they work as long as 
> I have specified any dependencies properly (i.e. making sure any needed 
> subsystems are running; the only one that comes to mind for yours is probably 
> diskarbitrationd, but I don't know offhand how you specify a dependency on 
> it).

Brandon many thanks

as the magistrate says “that has a ring of truth to it”
It does not quite work for me (I ran launchctl not launchd) but it certainly 
will lead to the solution so thanks again
James


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Re: OT LaunchDaemon

[Brandon Allbery]

On Sat, Oct 1, 2016 at 11:43 PM, James Linder  wrote:

> I’m trying to run a rc.local at start up
> I created a launchdaemon
>

Did you load it? In 10.5 the keys in the launchd plist were sufficient, but
this made per-user launchd config difficult; later versions store the
"enabled" bit in per-uid databases (including for root) and require you to
manipulate that database:

launchd load -w /Library/LaunchDaemons/local.startup.plist

The -w is what updates the database so it will load on subsequent boots.

I've created several local launchd plists that way, and they work as long
as I have specified any dependencies properly (i.e. making sure any needed
subsystems are running; the only one that comes to mind for yours is
probably diskarbitrationd, but I don't know offhand how you specify a
dependency on it).

-- 
brandon s allbery kf8nh   sine nomine associates
allber...@gmail.com  ballb...@sinenomine.net
unix, openafs, kerberos, infrastructure, xmonadhttp://sinenomine.net
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OT LaunchDaemon

[James Linder]

Over the years I’ve seen many clever people here, perchance one of them will 
cast an eye and say THERE . . .

I’m trying to run a rc.local at start up
I created a launchdaemon

haycorn:jam root# cat /Library/LaunchDaemons/local.startup.plist

http://www.apple.com/DTDs/PropertyList-1.0.dtd;>


Label local.startup
Disabled  
RunAtLoad 
KeepAlive 
LaunchOnlyOnce
ProgramArguments
  
/bin/bash
-c
/etc/rc.local
  



It does not run. Following the launchd.info->troubleshooting www everything 
does run without complaint. 
(Im creating a ramdisk, but what ever is in rc.local)
haycorn:jam root# ls -l /etc/rc.local
-rwxr-xr-x  1 root  wheel  108  2 Oct 09:58 /etc/rc.local
haycorn:jam root# cat /etc/rc.local
#!/bin/bash

DISK_ID=$(hdiutil attach -nomount ram://204800)
diskutil erasevolume HFS+ "ramdisk" ${DISK_ID}

I’ve tried specifing Program and 644 permissions on rc.local

Can anyone help? Thanks
James
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