Questions tagged [log]

A log is a record of events during a particular time range. Questions about interpreting logs on Ubuntu or controlling logging.

Logs on an Ubuntu system include:

  • Logs from the Linux kernel and system services like , stored in /var/log. These can also be accessed using the command. See .
  • Server logs, automatically created and maintained by a computer of activity performed by it. These can include or access logs. For questions about monitoring these logs, especially on servers, see or .

This tag is for questions about how to interpret the logs on an Ubuntu system, or controlling what and how should take place. (See also .)

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Help understand last output logs before crashing

There are the logs before my PC crashed(Ubuntu 18.04), they seem to do something with Albert , what do these logs mean? Aug 24 00:50:08 t480s systemd[1]: Started Hostname Service. Aug 24 00:50:31 t480s nautilus[5186]:…
Ives
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Website connection timeout

I have 2 websites hosted on a virtual root server (ubuntu) that are not reachable anymore (timeout on both domains). Nothing was changed on the server and no new feature was deployed for both websites. I checked the RAM and CPU usage, everything…
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Is there a log file equivalent to manifest.txt

I am trying to revert everything installed while compiling dependencies. I looked inside /var/log/dpkg but couldn't find the location of the installed libraries. Which log can I look into to remove/revert everything installed from the sources?
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Is there any way to know what happens when a Ubuntu Installation freeze?

Is there any way to know what happens when a Ubuntu Installation from a pendrive is booting well but always get freeze after start GUI? Thanks in advance.
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ubuntu 16.04 system logs is being written all the time

My system writing logs all the time and as result, I have high CPU usage and the leak of hard disk space Do you have any ideas how to solve this issue? In the system log I see the following:
Bizon4ik
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Random unrecoverable hard crashes on Ubuntu 16.04, kern.log corrupted

I have ubuntu 16.04 installed on a hard drive which ive used on multiple machines, all of which have this crash occur. The previous machine was a intel i5-4670k and the new machine is running an amd r7 2700x. The drive I am using is also relatively…
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Completely crashed and logs

I'm running Ubuntu 18.04. My PC just completely crashed(neither ctrl+alt+f3 or REISUB work). I can only find this in the system logs. Other logs are output 15mins before crashing. I'd like to know what does this mean. Jun 25 20:44:32 t480s kernel: […
Ives
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User creation remote logging

I am trying to centralize logs from different server to one server. I can centralize logging information via adding auth.* @server_ip:port in /etc/rsyslog.conf from the clients, but now I don't retrieve user creation logging information. However,…
eli0T
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Does a USB HDD contain info on previous mounts?

I have an external hard drive (usb) , I suspect that it might have been mounted into another computer on a precise date and time. Is there any way to see the log (from the hdd) and verify if it was mounted in that precise moment or if any file was…
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Continuous terminal output to a file

I am running a software which keeps on printing the steps followed and progress of it on the terminal. I would like to redirect the output from terminal to log file as and when the software prints something on the terminal. I don't want to wait…
karra
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How can I look at the log file for details as I get 'permission denied'?

I've installed Ubuntu 11.10 on a HP Pavilion that has Vista home prem. The Broadcom STA driver is listed, tested by the Ubuntu developers, but will not activate and I get a look at the log file for details:/var/log/jockey.log When I try to do so in…
kwiksal
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Upload server log into aws cloudwatch log using cloudwatch log agent in ubuntu

aws support Centralized logs for server , we can send custom logs to cloudwatch logs mu awslogs.conf file code is datetime_format = %d/%b/%Y:%H:%M:%S file = /path/to/log/file/test.log buffer_duration = 5000 log_stream_name = test initial_position =…
user806201
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log files getting big fast

Please help me determine the cause. It is gaining 2gb per hour approximately. So far,its only happening when I try using the wifi adapter thru usb to rj45 adapter. The extension chord is badly needed for proper signal.
obo
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Permission error while installing Ubuntu alongside Windows 7

I have tried to install Ubuntu alongside Windows 7 as the instructions tell me, but when I run the installer and it's towards the end, I get and error. Here is the log: http://pastebin.com/a55vqJE4 TL;DR: It says permission error I just got this…
Jake C
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Slow boot up on Ubuntu 16.04

I'm a new ubuntu user and I love it! However my boot time is very slow (about 95 ceconds). I've managed to create a boot log, and there are some points in the boot up where there seem to be conflicts. I don't understand a word of it, but I've put…
johnnyf
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