Questions tagged [logs]

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

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Observing what Spotlight's mdworker is indexing for diagnostic purposes

There has been a history of people reporting mdworker processes taking up lots of CPU time on older machines, but apart from vague suggestions to just re-create the entire Spotlight index, I could not ...
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1answer
28 views

How do I browse logs in /var/log in Console.app on Catalina?

Up to and including Mojave, /var/log was listed in the sidebar of Console.app, allowing me to browse subfolders and, for instance, look at /var/log/powermanagement logs for previous days. But in ...
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1answer
21 views

Where are OS-level crash reports stored? [duplicate]

I have a machine that has some intermittent rebooting. When it restarts, I get the familiar dialog to report this to Apple. I don't always remember to save the details of the crash. I'm sure that ...
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18 views

Apple Push Notification Service Daemon (Segmentation Faults and Errors in /var/log/system.log ?) (com.apple.aps/ApplePushService)

I'm seeing a many various (about 159+) Apple Push Notification Service Daemon (com.apple.apsd) Segmentation Faults and Errors in /var/log/system.log ? What typically causes these? I've tried to clean ...
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macOS password prompt

on macOS catalina,how to determine the name of the app which prompts the user for password? Are there any logs generated which stores the historical information about such .
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6answers
25k 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.
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1answer
25 views

How can I log edits to the hosts file?

A guy I'm helping fix his Mac and he's got some process on there editing his host file to redirect queries to the Minecraft authentication servers (authserver.mojang.com and sessionserver.mojang.com) ...
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2answers
429 views

MacUpdate check running every hour?

I have MacUpdate installed (which I got with their Spring Bundle). I noticed that it tries to check for updates every hour for some reason. The app itself is not running so it must be some agent or ...
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Catalina disconnecting SMB shares from Synology NAS during the night. How to troubleshoot?

I have an issue since upgrading Mojave to Catalina (10.15.5): my Mac disconnects all SMB shares mounted from a Synology NAS during the night and without any user interaction. It only happens when my ...
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2answers
38 views

Deleting Wifidiagnostics file and others under private/var/temp and /folder on Catalina

Is it safe to delete the Wifidiagnostics file even though its in private/var/tmp? My understanding was that it's better to leave those folders alone in Catalina but I'm not that experienced a user. ...
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1answer
85 views

Where are the memory and kernel logs stored in macOS Catalina?

I want to learn how to debug kernel crashes and am not at all familiar with macOS logging. Specifically the logs files that might reveal a system crash for example due to kernel panics. Does Apple ...
4
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1answer
184 views

Can I have launchctl output stdout/stderr from my application to the system-wide Unified Logging mechanism?

I have set up a custom .plist in ~/Library/LaunchAgents to run a process (offlineimap) on a periodic basis. I've specified both the StandardOutPath and StandardErrorPath keys to point to files in my ...
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1answer
614 views

WifiDiagnostics files filling up drive even with logging disabled

Since upgrading to OS X Catalina, I started getting disk full notifications. After some looking, I discovered the cause is ~400 MB files in /private/var/tmp like this: WiFiDiagnostics_2019-10-23_12....
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Logging wrong password attempts even with right one

Found this answer for logging wrong password attempts, and it works kind of. This is what I get from one correct attempt: log stream --predicate '(eventMessage CONTAINS "Authentication failed&...
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4answers
14k 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/...
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2answers
88 views

Battery status and replacement

About a week ago my battery status (MacBook Pro mid 2017) claimed that the battery should be replaced after 250 cycles. Now, all of a sudden the battery status has returned to normal. ioreg -l -w0 |...
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4answers
170k views

Where can I find my crash logs?

Console prints: default 17:16:18.554342 -0700 ReportCrash Saved crash report for APP_NAME[50432] version 1.2.3 (4) to APP_NAME_2020-03-17-171618_MacBook-Pro.crash I would like to ask you, where ...
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2answers
18k views

What is the 'deleted' daemon in macOS?

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?
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1answer
28 views

Log/list of external/unauthorized programs that were given permission to open

When an app/program is not from an authorized developer, it cannot be opened directly because of security settings. These security settings can be overridden by adding the app as an exception to the ...
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0answers
21 views

How to check when an iPhone X has been booted before its last boot?

Is there a way to see when an iPhone has been booted before its last boot? I have a regular iPhone X with current iOS. Are there any log files available? I tried some Apps in the AppStore that pretend ...
2
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1answer
25 views

Can iOS apps retrieve user access logs after being deleted?

Specifically, I used an iPad app while it was offline, then deleted it. I assume that it keeps logs of access into the app and whatnot. Can an app be able to gain access to these offline logs after ...
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0answers
84 views

What is log message `Failed to remove attribute… “Operation not permitted”` during Time Machine backup?

When my macOS laptop does Time Machine backups, I see in the log a pattern of error messages reading, Failed to remove attribute '…' from 'file:///', error: Error Domain=NSPOSIXErrorDomain Code=1 "...
4
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1answer
139 views

Is there any iphone call history downloader for windows which actually works?

Does anyone know an app (or procedure) that WORKs, to export the 4 months of iphone call logs, that everyone has been saying since 2016, is saved in iCloud? Google is jammed with pages which say they ...
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0answers
26 views

Diagnosing an intermittent system crash - how to analyse a spindump file

I am trying to figure out the root cause of full system crashes that I am sometimes experiencing in MacOS. It's an ongoing but intermittent issue that I've been encountering both in 10.15 and also in ...
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2answers
368 views

system.log flooded with xpcproxy errors during sleep time. How do I diagnose?

A few weeks ago my Macbook Pro 2018 with Catalina 10.15.2 started to get mad during sleep-time, actually it's not really going to sleep as it's flooding the system.log with hundreds of these lines: ...
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4answers
30k 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 ...
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2answers
150 views

How do I permanently disable logging in Outlook 365 for Mac

I ran into an weird issue today when I was prompted that I was running out of space on my disk. Digging into the issue I found that Outlook has been generating a debug log so much that it chewed ...
3
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1answer
8k views

Where can I find the log of all mounted volumes?

To be more specific, I mean the file that keeps a history of every disk image/volume ever mounted. I know it exists because I found it once, but it was a long time ago and I have no idea how to find ...
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15 views

How to get a call log for hang ups on my iphone

First, in case it's relevant to the answer, here are the environment particulars: iPhone 10 / ios 13.4 / AT&T / PC Second, the specific question: How do I get a call log for inbound hang up calls;...
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0answers
37 views

Is there a log somewhere that will show when I have done screensharing?

Over the past week, I have been doing a lot of remote access using the Screen Sharing.app. Is there a place that logs when I have used it and for how long? I've looked in the Console.app but haven't ...
2
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2answers
69 views

Can you determine exactly when iMac was disconnected from power?

(This is not just question about when a normal power failure occurred) My 2017 iMac was stolen today during a break-in, but the internal hard drive was dead so it was running off of an external SSD. ...
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3answers
2k views

How to enable logging for smbd on macOS?

I would like to enable logging on my file sharing service. (It's crashing intermittently and I can't figure out why.) When I inspect the plist for the file sharing service smbd on my Mac running ...
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0answers
102 views

Remove the “Legacy Software” and “Installations” lists of System Information

There are a couple of programs listed in Legacy Software in the System Information: Is it possible to remove those entries? They are all old apps I've uninstalled, so there is no need to keep those ...
3
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1answer
60 views

How to tell which app added a photo to my iCloud Photo Library

Today I noticed some photos in my iCloud Photo Library which I did not put there. I'm not talking about any shared album, this is my personal library. This is alarming since I have never shared my ...
15
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3answers
91k 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 ...
6
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3answers
16k 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.
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28 views

What caused my system to hang overnight?

I returned to my computer in the morning, and the screen didn't turn on when I press any key. There was no response, but the computer was on (warm). The computer was locked but awake when I left it in ...
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1answer
43 views

How to debug the user login process

After the Catalina update I can't login with my main user any more. Mostly all I get is the turning wheel but once I got Welcome message notification and clicking that started Safari. And from the ...
8
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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? ...
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0answers
17 views

How to browse var/log directories in console app as could be done in OS versions prior to Catalina?

In Mac OS prior to Catalina, the left sidebar in the console app would show a directory tree for the /var/log directory and a few other log directories. These could be expanded to navigate logs for ...
8
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6answers
10k 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 ...
1
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1answer
7k views

How do I see a log of WiFi connect/disconnect events?

I'm having trouble with my router, where the WiFi keeps disconnecting on most of our home devices, so I'm testing different settings on the router. (Seems to be affected by security protocol...) I ...
2
votes
1answer
270 views

How to determine what is causing Mac Pro to automatically log out and where to find logs of logout events?

For the last week or so, I've been coming in to the office every morning to find my Mac Pro has logged itself out. Mac Pro Late 2013 macOS Catalina Version 10.15.3 (19D76) I have been randomly ...
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1answer
43 views

How can I send logs to the main screen of OSX Console?

As an application developer, how can I send logs so that they appear on the main screen of Console, i.e. when I select the name of my computer under "Devices?" So far, I have successfully sent logs ...
3
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1answer
94 views

Is there any way to make Console prompt for authentication to logs the user isn't authorised to?

If I try to access system.log from my non-admin account I get the message "Unable to read the file" Is there any way to make Console.app prompt for administrator credentials to view logs the user isn'...
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0answers
28 views

Find specific logs about SCEP Server (unable to contact)

In my IT Environment, we enroll macOS systems with an MDM solution provider instance. During the enrollment process (using the Safari Web Browser Application and using a specific Enrollment URL), the ...
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0answers
14 views

Log Handoff Activity on my mac to a file

Im trying to find out where to start to log all the Handoff activity that comes to my MAC from my kids iphones. Ive looked at the documentation, but its geared more towards how to implement handoff ...
2
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1answer
156 views

How to add metadata to log archive, so that `log show --last` works?

Whenever I run the log show command from the command line, I get a warning message, log: warning: The log archive contains partial or missing metadata. This appears to prevent me from using the --...
1
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1answer
749 views

Unified Logs | macOS High Sierra

I have macOS unified logs from System A in .logarchive format. Any attempts to parse the .logarchive in System B using log show command provides following error: bash-3.2#log show /tmp/unifiedlogsv2/...
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1answer
61 views

How to view Failing Authentication Logs for a specific iOS Application

How do I view specific logs for a specific iOS Application? It is not a native iOS Application. It is an iOS Application installed from an MDM solution. It is an iOS Application that allow the user ...

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