Questions tagged [logs]

System files that contain system event information, errors, and crash information.

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63
votes
4answers
144k views

Where can I find my crash logs?

I would like to ask you, where could I find my crash logs?
34
votes
6answers
20k views

Time Machine - List of Files that were backed up

I'd like to know to see which files are getting backed up by my time machine? I often see a large amount of data being transfered and I'm not sure sure what it is.
25
votes
2answers
34k views

Show Active Connections to “Internet Sharing”

How can I view a list of devices that are connected to my Apple laptop via Internet Sharing (when it's enabled)? If a list doesn't exist, does Internet Sharing log DHCP requests and if so, where? ...
24
votes
5answers
42k views

Where is the cron log file in MacOSX Lion?

I want to troubleshoot a cron job that worked fine until a recent modification, but I can't find the cron log file, where is it?
20
votes
1answer
8k views

Where is the postfix log on Sierra?

I am running OS X 10.12.3. I do not have the OS X Server package installed, but I know postfix comes as part of the standard (non-server) installation. I have the occasional need to send emails from ...
20
votes
4answers
23k views

How to monitor USB power consumption?

I'm looking for a way to monitor the power being drawn from the USB ports on my Mac. System Profiler doesn't appear to display this and I haven't been able to find any applications or tools to do the ...
19
votes
2answers
39k views

Can someone help me read this crash report as a user?

How can I read a crash report to get an idea as to what happened? Sample Sanitised Crash Report: Process: SoftwareUpdateCheck [16198] Path: /System/Library/CoreServices/Software ...
17
votes
2answers
53k views

How do I find the log for the shutdown process?

I've done some Googling and nowhere do I find where you can log the shutdown process. The best I've found is a log where it states when the shutdown process begins but that's all. My computer is ...
15
votes
3answers
77k views

How to read iPhone system logs?

Does the iphone (and ipod/pad?) have an equivalent to the Windows Event Log? How can one read it? I'd like to examine the event log for things like unlock events (successful and failed), charging ...
15
votes
2answers
4k views

What is the 'deleted' daemon in macOS Sierra?

Since installing macOS 10.12 I noticed a flood of messages from deleted in the logs. I haven't been able to find any information about this daemon. Could anyone enlighten me what this does?
12
votes
2answers
8k views

Mac 10.11 (El Capitan) - Repeating system.log error: airportd[57]: SecTaskLoadEntitlements failed error=22

After a clean install (wiped HD before USB install) of 10.11 (El Capitan), I noticed the following error in /var/log/system.log: Oct 21 09:06:35 computer airportd[57]: SecTaskLoadEntitlements failed ...
11
votes
4answers
10k views

Does the OS X log notifications from the Notification Center?

The helpful companion to the OSX notifications center Growl per default logs all received notifications. You can define how big the log may get or disable logging in the application. Since the latest ...
11
votes
3answers
12k views

How to use logger command on Sierra?

I'm trying to log events/check-points from my shell-script using logger. How to use logger or syslog utility in OS X (version 10.12 (16A323)). I have tried logger "Hello world" and checked /var/log/...
9
votes
1answer
2k views

Can my iPhone tell me where I have recently been walking?

I sometimes get very fuzzy short-term memory after a neurological event. When it happens, I'm told I often leave and take a walk. I want to use my iPhone to figure-out where I end-up walking when this ...
9
votes
1answer
15k views

List failed login attempts on Mavericks

I want to see if somebody has tried to log in on my computer, which is running Mavericks. I am primarily interested in tracking ssh log in attempts, as well as tracking people physically typing ...
9
votes
2answers
3k views

Loads of opendirectoryd error messages in system log

I'm seeing these errors in my MacOS (10.12.1) system log files in big amounts. Any idea where this may coming from? Didn't have success finding anything usable on Google so far. They seem to persist ...
8
votes
2answers
15k views

What is “TALagent” and why is it “Exiting out of boredom”?

I'm trying to help a colleague whose MacBook periodically switches off without warning (I've had similar problems on a Mac Mini, so it's not power related). While investigating the logs in Library/...
8
votes
2answers
2k views

Safe to post iOS crash logs in public?

One of the iOS apps I use has been crashing a lot more than usual lately, so I'm posting about it on their forum. I've got a bunch of crash logs. Is it safe to post iOS crash logs in a public place? ...
7
votes
2answers
6k views

How to disable logging to system.log in OS X?

During my time with Yosemite, I've had an innocuous issue that gets logged to system.log non-stop. This question is not about solving the issue. I'd like to stop the chatter, because they're writes ...
7
votes
5answers
9k views

What's this CSSM Exception in my macOS 10.12.1 logs?

I'm trying to clean up my mac a bit and therefore always check through logs to see what maybe unexpected or otherwise strange. This time I see way too much going on in the logs in terms of lines per ...
7
votes
2answers
3k views

Console log flooded with “VMware Fusion Start Menu … : assertion failed: …”

I get tons of messages of this style in my console log: 08.12.14 11:03:41,045 VMware Fusion Start Menu[444]: assertion failed: 14B25: libxpc.dylib + 40320 [9437C02E-A07B-38C8-91CB-299FAA63083D]: 0x13 ...
7
votes
3answers
6k views

How do I see all my failed login attempts (macOS High Sierra)

I've tried the following commands: syslog -F raw -k Facility com.apple.system.lastlog | grep <my_username> cat /var/log/asl.log (DOES NOT WORK ON HighSierra) who Thanks to Scot, the following ...
7
votes
1answer
1k views

Keep all system logs, forever

In console app I can see only couple system.log.${i}.gz archived log files that can only show me info about last 10-15 days. How to keep all logs archived somewhere, forever ?
7
votes
1answer
6k views

Where are crash logs after a system freeze?

When your entire macOS freezes up and restarts, are there crash logs or core dumps to diagnose the problem? I would in particular like to know which kernel module was active at the time of the crash. ...
7
votes
1answer
2k views

Where to find VNC access logs with IP addresses on Sierra?

I'm looking for logs on attempts by someone to access one of my Macs on a previous day. I have remote management running and I allow VNC access. In the logs I have found, I see the attempts they made, ...
6
votes
1answer
25k views

Yosemite com.apple.xpc.launchd error every 10 seconds

Every 10 seconds i get this error in my console: 20/10/14 19:35:56,840 com.apple.xpc.launchd[1]: (com.viber.osx[9850]) Could not find and/or execute program specified by service: 45: Operation not ...
6
votes
1answer
7k views

Is it safe to delete system logs?

I'm using DaisyDisk to clean my hard drive and it is showing nearly 8GB of files in /private/var/log/asl. Are those files safe to delete?
6
votes
1answer
12k views

Where do I find the logs for OS X authentication attempts?

I'm on a personal computer, with Lion running and only a single user account on the computer. Is there a log file for authentication attempts (both for login attempts and password protected ...
6
votes
1answer
11k views

Is it safe to delete the content of ~/Library/Logs?

I would like to know if it is safe to delete the content of my ~/Library/Logs folder, because it is taking quite a lot of space. I have found that it should be save, but if there is someone who can ...
6
votes
1answer
2k views

Does the Airport Extreme log MAC addresses of devices that attempt to connect?

I recently had a burglar enter my home and take a number of items and I am chasing a long shot in catching him. I am hoping that the burglar had a smartphone that, when he entered the home, attempted ...
6
votes
2answers
10k views

How can one determine which user deleted a shared file on OS X Mountain Lion Server

My girlfriend is a lab technician at a small pharmaceutical startup. She created a very important Excel file and placed it in a shared folder on a server that the "IT" guy set up. The server runs ...
6
votes
2answers
1k views

Parental Controls flooded system.log with errors

I was digging around for fun, and found that my system.log was flooded with errors. Here is the output of sudo cat system.log | tail -8: Mar 19 15:33:06 THE-COMPUTER parentalcontrolsd[113]: -[...
6
votes
0answers
139 views

iPhone app access log

I accidentally brought my iPhone 7 into my university examination and was wondering if I would be able to produce a log (record) of iPhone app access, to show that I never used it during that ...
6
votes
4answers
173 views

Can system logs tell me when I closed my Macbook?

I'm trying to figure out how late I've been working for the last few months. Normally my old line manager would not have given me time in lieu. However she was fired last week and I now stand a ...
5
votes
1answer
7k views

Does OS X store my complete install history?

I'm running 10.6.8 and wondering where my Mac stores my install history -- I'm thinking everything from Ruby gems to full blown web apps. Does such a general file exist?
5
votes
1answer
2k views

Where can I find logs for failed sudo attempts on macOS Sierra?

I am aware that older versions of OS X use secure.log, but I have been unable to find any definite answers as to where the the output log goes for for attempting to run a command with sudo privileges ...
5
votes
2answers
9k views

Setting a custom log

I have to get all the chromium and firefox info logs out of /var/log/system.log and into a nice quiet /var/log/{chromium,firefox}.log. However I can neither recall or find how to set that in syslog....
5
votes
1answer
1k views

Where can I see Cisco IPSec VPN logs?

I'm running Sierra and trying to connect to VPN network using a certificate. When I press the Connect button I get an error: An unexpected error occurred. Try reconnecting. If the problem continues,...
5
votes
1answer
5k views

Unexpected payload found for message 9, dataLen 0

I found the following in my wifi.log file after l connected to wifi: Unexpected payload found for message 9, dataLen 0 What does it mean?
5
votes
1answer
1k views

How to fix the error: “AppleSpell” tried to hijack endpoint “it (Apple)_OpenStep” from owner?

I have 3 macs that all produce this error repeatedly in the console, and I cant figure out the root cause of it. It leads to various system stalls and memory issues. (Currently troubleshooting on ...
4
votes
2answers
2k views

Used MacBook Pro crashing

I've just bought a new MacBook pro off craigslist and I'm having a few problems with it, it has crashed three times within two days. The last two crashes were just a few minutes ago and the second one ...
4
votes
1answer
874 views

Is it possible to see the content of the “Send to Apple” crash report after closing it?

My app crashed, and I just took a screenshot before closing the window. Instead of the screenshot, I really should have copied the whole log... I can't reproduce the crash, and really want to see the ...
4
votes
3answers
22k views

How to find a cause of a Kernel Panic message, or BSoD?

How to understand why Beautiful Screen of Death1 appeared? When I tried to find what happened using "Console" I couldn't find anything useful in logs? There's no 'panic' or 'SIG*' in logs, so what ...
4
votes
1answer
662 views

How can I get full information from Console in macOS Sierra?

When I run Console, a lot of messages have the text <private> instead of details, even though my account is an Admin user account. Here is an example for an application I'm writing and trying ...
4
votes
1answer
209 views

Is there way to know when last logged in and out?

Is it possible to know when I last time logged in and out? I would prefer to access this information from Terminal, but a GUI tool is also okay.
4
votes
6answers
638 views

Is there an app that allows me to monitor time spent using an application?

Is there a tool that allows you to monitor the amount of time spent actively interacting with an application? This would be useful for development work to get an idea of just how long projects take. ...
4
votes
1answer
11k views

How to view all login history in MacOS High Sierra

How can I log all login history until now? By "all" I mean all users: admin, guests, and every other user. I am using MacOS HighSierra.
4
votes
3answers
1k views

Log file that `sudo last` accesses?

The bash command last (needs sudo) prints out logs, which contain information on when different users log in/out of the shell. I have been looking for the file that stores this information, that last ...
4
votes
1answer
959 views

Launchd script's output not being logged to system.log

Sample script: #!/bin/bash echo "Hello?" ... (other things) When run via launchd, it definitely runs (the other things are being done) but nothing shows up in system.log. I'm running OS 10.9. I ...
4
votes
2answers
508 views

How can I see which of my Login Items is slowing down my startup time?

Recently — perhaps when I upgraded to Lion, perhaps some other time — I've noticed that OS X is not ready to go after startup as fast as it used to be. I have a fast SSD as my only internal drive, ...