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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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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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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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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36 views

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 ...
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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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2answers
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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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1answer
185 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
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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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 ...
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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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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 "...
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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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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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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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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 ...
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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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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 ...
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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 ...
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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 ...
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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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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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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 ...
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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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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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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 ...
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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 --...
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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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1answer
59 views

Correlation between Mac OS X GUI actions and Logs

I am not sure if it is possible but I was trying to discover/view/analyze if there is any correlation between the actions that a regular user perform on the GUI side with some logs inside the system (...
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Are open and close events of all applications logged in iPhone

I want to see what time I have opened and closed a particular app on my iPhone. Where can I review this type of time stamped data from iOS?
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1answer
98 views

How to export the event log from the Console.app into a text file?

According to tutorials, you'd export your Console.app event log by pressing the "Share" and using e.g. the Mail.app: https://help.realmacsoftware.com/en/articles/1905631-how-to-save-console-logs-in-...
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1answer
194 views

How to stop Wi-Fi debug logging in /private/tmp?

I am not sure why this is happening, but on my macbook macOS Sierra log files are being written to /private/tmp that look like this: wifi-11-25-2019__21:01:29.log wifi-11-25-2019__21:06:18.log wifi-...
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4answers
249 views

Is there a way to see if a macbook had a time machine backup done?

I was wondering if there's any way to see if someone did a Time Machine backup on a macbook.
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1answer
267 views

Does macOS keep iSight Camera usage logs?

Let's assume for this question that it is possible for hackers to gain access to your iSight camera, is it possible for you to check to see if such an incident has occurred by accessing the activity ...
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1answer
102 views

How can I log the IP addresses of SMB login attempts?

I want to automatically ban IP address which attempt to login to my file server unauthorized. I can log SSH login attempts including IP address in macOS to a syslog format file for further processing ...
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0answers
10 views

Two-step verification history

When you enable two-step verification, Apple sends you verification codes via a temporary SMS. Seeing as it doesn’t get saved with your other text messages, is there any way to access a log of these ...
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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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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 ...
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0answers
31 views

Check system logs for “Service Battery” entry

I would like to find evidence of when the "Service Battery" warning has been activated. I knoow the console.app exists, but I'm not sure how to query it for what I am looking for. Why I want to do ...
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424 views

Getting logs from Apple or iPhone when someone looks up someone's location

Details: Someone close to me and that I trusted logged into my iPhone and turned on Share my Location with their phone. On iMessages I see the note that says iMessage with 3*******78 You started ...
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27 views

How to see the log of specific activity on Mojave?

There are applications (eg. timing app.com) which once installed can log one's daily activity (websites visited, docs opened, time spent on an app etc.), but how can one do this without installing ...
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2answers
1k views

How to investigate Mail app's random popup bug on Mojave?

My friend's computer (running the latest version Mojave) is experiencing that bug where mail.app suddenly — randomly? — and automatically takes focus while having his Google-account connected to it. I'...
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0answers
197 views

Append instead of overwrite log file by StandardOutPath and StandardErrorPath

I have a launchd job that periodically runs in the background. Any stdout and stderr output during the job is logged to some files set in the job's plist using the StandardOutPath and ...
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1answer
287 views

Where is system.log in TimeMachine backup

I would like to get older versions of /private/var/log/system.log files from TimeMachine. Is this possible? How? I see current system.log files. I went to folder /private/var/log then invoked ...
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0answers
59 views

How to get LOG_DAEMON syslog messages available via asl

I am attempting to run unbound on my macOS Mojave. This works. I can also log from unbound to a file. That works. But I want to log to syslog. Unbound logs to the LOG_DAEMON (daemon) facility. So I ...

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