Questions tagged [macos]

macOS is the current marketing name for Apple's Macintosh Operating System. This OS was previously known as OS X, and Mac OS X before that (which itself succeeded the 'classic' Mac OS).

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macOS Sierra: ulimit maxproc only 2500?

macOS Sierra introduced us to the ulimit-Justin-Bieber-restriction. Thanks, Apple! According to this tutorial you can set ulimit max manually by creating two files. In the tutorial max. processes is ...
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Magic Mouse continues scrolling inertia when hovering over a different pane

I just got a Magic Mouse that I'm using with MacBook Pro (15", 2015), macOS Sierra. I've noticed a problem where, if I'm in a window that has multiple areas with scrolling, if I start scrolling in one ...
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Safari restored a private browsing session after my Mac crashed

I know where Safari keeps cache information, but my computer froze, and I had to reboot it forcibly. Prior to the freeze, I was using Safari with private browsing enabled (i.e. I was using a private ...
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Remove animation/delay on Command+Tab

When switching to a full-screen app on a different space there is a noticeable delay (and jerkiness) with the animation during which further presses of ⌘+Tab have no effect. This continues for a ...
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All dictionaries disappeared from preferences list under macOS 10.12.2 Sierra

For a few days I've been running a pre-installed macOS 10.12.2 on a new, non-networked MacBook Air with language set to "American English". I've used "Dictionary" several times without any problems, ...
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Disable notification prompts Safari 10.1

I am trying to prevent notification prompts from various websites in Safari 10.1. In the past one could go preferences > notifications and uncheck Allow websites to ask for permission to send push ...
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What does webcontentfilter.kext do?

So I'm learning about writing Kernel Extensions and while I was looking for examples I stumbled across webcontentfilter.kext. I gathered from this post Website gets blocked by webfilterproxyd even ...
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TimeMachine backup gets stuck during “Preparing Backup”; can't mount .sparsebundle file

I've twice now tried to initiate a TimeMachine backup, and both times they got stuck during the "Preparing Backup..." stage. I think even on the same file, as shown in tmutil status which got stuck ...
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Loginwindow tried to hijack service?

I was looking at my system.log for another issue I was trying to fix, and noticed after a reboot that I had a service hijack attempt, I then noticed that the process that was trying to hijack was ...
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748 views

Why doesn't ps aux show *everything*?

I recently had a problem with sluggish computer and I live in the terminal, so for me, when something's running slow, "top -o cpu" and "ps aux" are my bread and butter. However, I recently came to ...
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How to display google calendar “reminders” on macOS calendar app?

So google recently implemented reminders on both their web application and their mobile applications. This is a nifty little feature that instead of creating events on your calendar it creates these ...
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Flash content only shows a quarter of the image when played in full screen on second monitor

I have macOS Sierra 10.12 installed, and Google Chrome 54.0.2840.71(64-bit) with Flash Player 23.0.0.205. I'm using the second monitor to watch movies. When I try to open full-screen Flash Player on ...
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When swiping between spaces, sometimes the background moves and sometimes it doesnt

Since upgrading to Sierra I've noticed that sometimes when I swipe between spaces the background image moves left or right as I swipe along with whatever icons I have on my desktop and whatever (lets ...
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Why does “Safari Web Content quit unexpectedly” occur often in macOS Sierra?

"Safari Web Content quit unexpectedly" seems to occur very often after upgrading to macOS Sierra. Are there any solutions?
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Remember item order in Menu bar between reboots

macOS Sierra added ability to rearrange items in the Menu bar, however after rebooting computer they reset to their previous order. I'm not using Bartender or any Menu bar controlling apps. How can ...
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changing Chrome desktop app Cmd-Tab behaviour

I use the Google Hangouts desktop app. But when i use Command Tab, it comes under Chrome rather than being a separate application. If I have Hangouts and Chrome open, I have to use Command ` (backtick)...
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611 views

How do you stop Safari from offering passwords from all subdomains of a domain?

So I have these few websites in the same domain (i.e. example1.domain.com and example2.domain.com) that have a different subdomain and Safari offers me passwords from all of them when I enter just one ...
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Does system integrity protection prevent nvram(8) from setting -x as a boot argument for safe mode?

When pre-release macOS Sierra is in safe mode with -x as a boot argument in NVRAM, the following command works as expected: sudo nvram boot-args="-v" When Sierra is booted in normal mode, the ...
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Why do some Login Items insist on displaying at startup, despite being set to “Hide”?

Under System Preferences > Users & Groups > Login Items, I have a number of applications that are set to launch on system startup. Some of these, despite being marked to "Hide" on startup, insist ...
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Backup iCloud Keychain

I recently encountered an issue where a very important (and non-resettable) password was deleted from my iCloud Keychain. All of my OSX-based keychains are backed up via Time Machine, but I realized ...
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658 views

CLI: get CPU real speed (e.g. Intel SpeedStepping)

Can you query for the real CPU speed in OS X command line/terminal? $ system_processor – only provides the hardware spec info. $ sysctl hw.cpufrequency – only provides the hardware spec info. $ ...
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“Open With” (lsregister) to show apps on system disk (specific disk)

I have a Mac pro with 4 disks, one is for the system (D1) "Open With" takes long time sometimes, and sometimes it shows me apps on other disks (old, backup, other test apps), how I can make OS X to ...
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660 views

What exactly does “out of application memory” mean?

When OS X (10.11 in my case) pops up a dialog saying the system has run out of application memory, what does this really mean? I've looked at this question, but my question is a bit more specific and ...
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Unable to start app built manually

I have create an application APP-py3.app stored in /Applications. The APP-py3.app contains the following files [F] and directories [D]: Contents [D]: Info.plist [F] MacOS [D]: script [F with rights -...
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621 views

Custom nameservers, /etc/resolver/ and SRV records

I want to use a DNS server on my machine to resolve lookups for all names ending in .dev. I've created /etc/resolver/dev to do this, and checked that it works for A records: › dscacheutil -q host -a ...
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862 views

Show Minimized Windows in Mission Control (El Capitan)

This is a possible dupe of Can I get Mission Control to show minimized windows?, but I wanted to get an update on this issue since its now 2015. What I really want is to have Mission Control for non-...
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How to adjust the compiler for c++11 on 10.8

Originally, I posted my question on Stack Overflow.Compile R package It seems that when installing the R library(Boom) I always get that error relating to compile error: fatal error: 'future' file ...
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Are Mail rules still applied when a Mac is in Power Nap mode?

I understand that when a Mac is Power Napping it will periodically check for new emails via Mail. Will Mail rules still apply to any new emails that are received when the Mac is in Power Nap mode?
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Why is SpotlightNetHelp denied file-read-data for root?

I'm getting many of these two similar errors on my console. 10/21/15 11:06:29.737 AM sandboxd[140]: ([368]) SpotlightNetHelp(368) deny file-read-data / 10/21/15 11:07:11.000 AM kernel[0]: ...
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Set the WorkingDirectory to user's home in launchd?

I understand that you can change a LaunchAgent's working directory with a WorkingDirectory key, but is there any way to set the Working Directory to a user's home directory reliably and portably ...
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How to verify that an iTunes backup is valid?

Is there a way to verify that a backup of an iPhone is valid (other than wiping the device and attempting to restore it :))? I've had a recent catastrophic incident involving an iTunes encrypted ...
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Apple Backup encrypted format specs? I need to decrypt part of a backup (for which I have the key) that iTunes won't restore

An odd one here: Encrypted iTunes backup backup completed successfully Key stored in the Keychain (since the first backup of this device a long while ago) Also stored in PasswordSafe and both ...
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How do you adjust the dock bounce animation in OSX?

I'd like to adjust the animation for bouncing dock icons in OSX. (I'm running Yosemete 10.10.3) I've already found this article showing how to completely disable the bounce, but I want more control ...
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Wanted: a way to change many keychain passwords simultaneously

Problem: employer uses a common account (username and password) for numerous logins within their domain, and requires frequent password changes. Keychain can't seem to figure out that e.g. any ...
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Paste only email address without name

In the Mac Mail app, copying an email address of someone in your address book (e.g. from the header of some message) and pasting it elsewhere (e.g. in Text Edit) will result in "first_name last_name &...
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Why do app windows not extend to bottom of screen?

I run OS X 10.10.3 and occasionally notice (must've been there forever, it's not very obtrusive, but occasionally annoying) that windows which are maximized but not in full screen leave some space at ...
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Random emails missing from IMAP inbox with Apple Mail in Yosemite

I am using Apple Mail with three IMAP mail accounts (not Gmail etc. but from my hosting provider). I'm finding that I regularly need to close and reopen Mail to find emails I'm searching for that are ...
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Is there a way to run a bash script everytime I print something?

I wanted to run a script that changes my background image whenever use the printer. Is it possible? Is there a way to know when OS X is printing something?
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what is difference between gcc version and Xcode gcc version?

This maybe a little silly question but I am very confused executing pkgutil in shell I get $ pkgutil --pkg-info=com.apple.pkg.CLTools_Executables package-id: com.apple.pkg.CLTools_Executables ...
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How to use nohup/send process to background on os/x

The command nohup <command> & does not actually work properly on mac it seems: the process is suspended. Issuing fg appears to be required to reactivate the command. Here is an ...
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Can you disable Today's Date in the Today View in Yosemite Notification Center?

While it's possible to remove the Today Summary from the view you cannot remove the date. It's superfluous while using a calendar app such as Fantastical. Any way to tweak this? Thanks.
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Why does OS X use swap memory when memory pressure remains low?

My system (Yosemite / 10.10) has been paging out to swap memory despite my memory pressure reading less than 50% over the last 7 days (tracked with iStat Menus). How is this possible? It would be one ...
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How do I stop my browsers creating a new tab for every new domain?

I have a MacBook and have tried browsing with both the Safari 7 and the Chrome browsers, but every time I go from one domain to another, it automatically creates a new tab. So if I click a link that ...
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Stop windows from resizing automatically?

OS X keeps hitting a pet peeve nerve that I have, and it is normally happening with internet browsers. I'll describe two examples: When using Safari, I am surfing normally on one web page. I open a ...
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Junk mail doesn't get automatically deleted

This is happening with Mail.app 6.6 on OS X 10.8.5, but has been going on for a few OS X versions. In Mail.app, my account settings specify to delete junk mail after one day. Except it never gets ...
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SSH'ing with just a machine name on internal network: nodename nor servname provided, or not known

Yesterday I was able to ssh into my development box by using the machine name. Today, I can't. I can nslookup and use chrome to navigate to my box using just the machine name. ping and ssh do not ...
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How to detect locked screen / login-session from a script?

I am looking a way for a script (either bash or AppleScript, doesn't matter) to detect whether the state of the screen or the user login session is locked or not (i.e. the user will need to type in ...
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OSX Screensaver photo repeat problem

I have an iMac running OSX 10.8.4 and I have a large collection of photos (10,000+) that I want displayed during the screensaver. I would like to see a uniform distribution of all photos. However, I ...
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How to 'startx' from Single User Mode?

I usually run dwm inside Xquartz on OS X Mountain Lion 10.8. But is there a way to boot into Safe Mode (or a console), then startx or xinit, skipping Aqua? I'd like to boot directly into X11.
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Is it a bad practice to mount network/slow shares under `/Volumes`?

I'm using curlftpfs with macfuse to mount some ftp sites through automount. The mount directories for each share is in /Volumes folder. Now iTunes on each startup tries to read /Volumes/...