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56
votes
5answers
52k views

What is installd, and why is it eating my CPU?

My Macbook is frying my lap, and the CPU monitor is going crazy: over 200% CPU being used by something called "installd". What is it? Can I kill it? (OS X 10.8.)
42
votes
8answers
31k views

runaway distnoted process

Sometimes I see a distnoted process suddenly spin up and chew up 100% CPU (on one core) and a ton of memory, often in the neighborhood of 1.5G or so. This happens a few times a day, starting a month ...
11
votes
4answers
22k views

Why does SystemUIServer cause high CPU usage?

The SystemUIServer process is taking 30% of my CPU. Searching around reveals a Snow Leopard daylight savings bug which is solved by removing the clock from the menubar. I am on Lion and I have tried ...
11
votes
1answer
25k views

What is the InterCheck process that occasionally uses 96% CPU on my Mac?

I heard my computer's fan spinning fast, so I checked Activity Monitor and saw that a process called InterCheck was using close to 96% CPU. What is this process and why's it using so much CPU? In the ...
8
votes
1answer
447 views

What kind of “messages” does Activity Monitor track with the “Messages Sent” and “Messages Received” columns?

In Activity Monitor on OS X, it is possible to add additional columns to the process list view. Two columns available in that list are "Messages Sent" and "Messages Received", which show up as "Sent ...
7
votes
4answers
3k views

How can I disable MySQL from starting at boot?

I have a mid 2013 MBA running OSX 10.9. The process that starts on every start up is mysqld. I believe it was from an old version of MySQL I had installed (via AMPPS). I then installed MAMP Pro and I ...
7
votes
5answers
3k views

VDCAssistant seems to be causing perpetual crash reports

As stated above VDCAssistant seems to be causing perpetual crash reports to the point that the ReportCrash system process will use 50-100% of cpu. Application Specific Information: Client is ...
6
votes
2answers
24k views

How to block internet traffic of an application?

Little Snitch can block internet traffic of a particular app. Can I do something similar without (paying) Little Snitch?
6
votes
2answers
2k views

How can I kill a process using top on OS X?

On other Unixe,s I can use top and then hit K and type the process ID. How can I do that in OS X? I can type kill [the_pid] on its own at the command line and that works. However, I was wondering if ...
5
votes
1answer
781 views

How to isolate an application from the system (fully sandboxed application)?

Is it possible to do something like the concept of sandboxing (like all apps on iOS have its own system software resources) for all existing applications (so - not while designing an own new ...
4
votes
4answers
647 views

What is the difference between 'Application' and 'Process' in OS X?

As I increasingly dabble with AppleScript and OS X tweaking in general, I arrive at this question: What is the difference between these two words in terms of OS X's inner operations - e.g. do some ...
4
votes
2answers
231 views

Why can't this process terminate?

Just recently I ran into an issue where my network program couldn't bind to a port because it was already in use. I opened the activity monitor and realized it (named "server") was already running ...
4
votes
3answers
271 views

App or script to monitor/log processes starting and stopping?

I want to be able to start an app or script, leave it running for a few hours, then come back and see a log of what processes started and stopped in that time. This is not the same as Activity Monitor ...
4
votes
1answer
970 views

Multiuser - can process of background user kept running?

On my Mac I use three user accounts. From what I understand when I'm logged in as one the processes of the other accounts are suspended. I switch between them with fast user switching. My question is ...
4
votes
1answer
234 views

Erroneous “Installation Alert” upon installing XCode 3.2.6

I am on a clean Mac OS X 10.6.8 machine (I erased the hard drive and reinstalled the OS yesterday). I do have to re-download a few apps, and XCode happened to be one of the first. I completed the ...
4
votes
1answer
246 views

How do I monitor the total physical and virtual memory usage of a process and all of its descendants?

From the command line, how would I get the total physical and virtual memory usage of a process and all of its descendants (not just 1st-level children)? This is useful when you want to monitor the ...
3
votes
3answers
3k views

Is there something stronger than “Force Quit”?

I have an app that won't die: it's gone from the dock, but the window remains (with a beachball, if I mouse over it). It's using no CPU, but I want it to go away. Is there something stronger than ...
3
votes
3answers
544 views

Is there a htop-on-linux like alternative for top / Activity Monitor on OS X?

I'm looking for a better alternative for top. Both top and Activity Monitor are highly limited with regards to features. In particular, I'm interested in the following features: Limit processes by ...
3
votes
1answer
148 views

What is “com.JWVD.cbcache.plist”?

I'm trying to solve some problems and have run across a few things in Etrecheck of which I cannot determine the origin. One such item is the Launch Daemon "com.JWVD.cbcache.plist". Does anyone know ...
3
votes
1answer
132 views

How to use an application name to kill it from a script

I'm trying to create a cron job to prevent children at a school from running the Minecraft server. (We actually need them to run the Minecraft client because we use it to teach programming.) The name ...
3
votes
0answers
159 views

nsurlstoraged and CPU usage

Since yesterday nsurlstoraged is constantly using a huge amount of CPU. Nothing shows up in the logs but opensnoop shows that the process is accessing ...
2
votes
1answer
57 views

Why doesnt /proc exist in MacOS?

What is the reason that /proc does not exist in MacOS. I was curious to find file descriptors that a process was using in my Mac. The way I do it in linux is to go in /proc/fd folder of that process. ...
2
votes
1answer
1k views

Where did the /proc directory go in Mountain Lion?

I used to find the location of cached flash videos by lsof | grep Flash, the result is something like this Google 38571 lamnk 74u REG 1,2 156826302 37061768 /Users/lamnk/Library/Application ...
2
votes
1answer
1k views

How do I kill a process that won't die?

I'm unable to kill a process using any of the techniques I'm aware of ("Force Quit" in Activity Monitor, top, killall from the Terminal) and wonder if there are some additional steps I can take. ~ ...
2
votes
3answers
2k views

Getting a list of currently running processes

I'd like to get a list of all the applications currently running on my machine using the command line. It should be similar to what you get when you open up Activity Monitor and choose to save the ...
2
votes
2answers
166 views

Is there a way to switch to the selected process in activity monitor?

I'm wondering if there's a way to bring focus to a process that's in "activity monitor". Specifically, I've got a bunch of Google Chrome processes and I'm trying to figure out which process ...
2
votes
1answer
78 views

More than 2500 systemwide processes on OSX 10.9

Attempts to raise the maximum number of systemwide processes above 2500 fail. $ sudo sysctl -w kern.maxproc=2500 kern.maxproc: 2500 -> 2500 $ sudo sysctl -w kern.maxproc=2501 kern.maxproc: 2500 ...
2
votes
2answers
674 views

Blank process name in Activity Monitor on OS X Mavericks

In my activity monitor I have noticed that there is a process appearing that has no name. It is owned by root. How can I find out what this process is?
2
votes
2answers
543 views

What do the appleprofilepolicyd and wdhelper processes do?

I found in activity monitor appleprofilepolicyd and wdhelper but after googling a while didn't found any interesting information: wdhelper - could be a webdrive or webdav - found only wdhelper.dll ...
2
votes
1answer
48 views

Easiest way to gently kill an intermittently unresponsive application?

Sometimes, when I have many applications open doing many memory and IO-intensive things, my computer inevitably starts to thrash a bit. While waiting for things to settle down, I often decide to ...
2
votes
1answer
97 views

Which process is eating my connection?

I found something is eating 100KB of my rx Internet connection. Doing iftop I found that most data is coming from 69.31.72.192. Running this command line: lsof -P -i -n | cut -f 1 -d " " | uniq ...
2
votes
1answer
584 views

Safari 8.0 on Yosemite doesn't kill closed tab processes, hogs memory

I've just upgraded to Yosemite and started using the new Safari 8.0. For a while, everything seemed fine, but then all got ever so slightly slower and slower, especially when switching desktops. ...
1
vote
2answers
195 views

How can I remove remnant processes from deleted preference panes?

I discovered in Activity Monitor that I have several leftover processes running in the background that shouldn't be there anymore. I deleted these preference panes long ago with an application that ...
1
vote
2answers
381 views

Terminal in full screen mode: how do I recover from “cat /dev/random”

What are the ways I can regain control over my computer when I have terminal in full screen mode and type: cat /dev/random
1
vote
2answers
173 views

In Activity Monitor, is the percentage out of each core or out of each virtual core?

I have my new MacBook Pro with 2 cores. However, the Activity Monitor shows me 4 “virtual” cores. (I don’t really know what a “virtual core” is.) If the processor is running at maximum, what ...
1
vote
1answer
926 views

How do I start taskgated again?

I killed taskgated from the Activity Monitor and since then it is not been running. How do I start the process taskgated again?
1
vote
2answers
3k views

mdworker process always at 100%, even when not indexing

I'm trying to understand why mdworker is always at 100% even when (apparently) not indexing. If I open Spotlight, there's no message telling me that a drive is being indexed. If I run fs_usage -w -f ...
1
vote
1answer
104 views

Why the launchd has multiple instances per user (not only me and root, but also _spotlight and _windowserver)?

I found that the launchd process has multiple instances in the process list. What is looking interesting is that there are four users under which these launchd processes are running: root < ...
1
vote
1answer
965 views

What do appleeventsd and AppleIDAuthAgent do?

I looked in the activity monitor to clarify what are those processes and started with alphabetic order. I know different resources where many processes are described. But appleeventsd and ...
1
vote
1answer
859 views

Why does AddressBookSourceSync request connections to myriad different servers?

I've recently installed a new version of Little Snitch, and it informs me that the process AddressBookSourceSync wants to contact a server. I understand the process is for syncing Contacts. What I ...
1
vote
1answer
273 views

Kill processes automatically that get over x % CPU

I have a (rather annoying) process on my iMac that tends to get out of control. Unfortunately, it's not possible to get rid of it. Much as I want to. This process is fine at first - using 1-2 % of ...
1
vote
1answer
68 views

What process is in charge of the background image on Mac OS?

I have a problem that occurs seemingly randomly on my Macbook Pro, 13" 2010, running 10.7. The background on the secondary screen (which is actually the laptop screen itself, the primary screen is a ...
1
vote
1answer
162 views

Utility to warn when process takes 100% CPU for x minutes?

I run on battery a lot and occasionally a process/app will crash in the background and start sucking up 100% of one or more cores. That in turn burns my battery down way faster than normal. I used ...
1
vote
3answers
2k views

applepushserviced and ocspd takes a lot of memory, is killing them safe?

I'm in my office and the the network access is limited, would this causing this two process taking too much memory? I use my Mac mainly for developing, would it be safe to kill this two process?
1
vote
0answers
39 views

How does Activity Monitor get the URLs related to a “Safari Web Content” process?

Does anyone know how Activity Monitor.app gets the list of URLs that are related to a Safari Web Content process? Those processes show up as com.apple.WebKit.WebContent in ps output.
1
vote
1answer
37 views

Move similarly named images into a folder with the same name

I am trying to create an automator app which will take all the images which are similarly named and create a folder with that name and move the images then into that folder and then archive that ...
1
vote
1answer
40 views

How do I determine where a process is being started from, and disable it?

When I start OS X (Mavericks) and run ps aux | grep postgres from Terminal, I have a process that was automatically started: postgres 132 0.0 0.1 2526456 7936 ?? Ss 10:04PM ...
1
vote
0answers
92 views

Kill GUI “zombie”

This is not actually zombie in UNIX terms, but I don't know name of this process. On my Mavericks 10.9.1 some GUI application has been badly crashed and I can't run it again except I should logout ...
1
vote
0answers
94 views

How to prevent PressAndHold from loading?

I have already disabled PressAndHold through terminal, but I see that it still appears as a process on Activity Monitor. It is taking 2.9 MB for me, but I want it to stop and not to begin at all. When ...
1
vote
1answer
505 views

Why are Photo Stream process running, but photos only loads when iPhoto is opened?

I have a process called Photo Stream running, but I have been discovering that my photos in my photo stream only loads when iPhoto is opened. Why?