Questions tagged [logs]

Logs are lists of events or information generated by a program or system. They are used for diagnosis as they can contain various useful information to pinpoint the cause of a problem.

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How to get logs/evidence of illegal hardware changes during laptop repairs

I'm on Ubuntu 20.04. I sent my laptop for repair and I find out that the CPU has been changed to a cheaper version without my consent (and I was not requesting to fix the cpu at all!), basically from ...
LuckyMan's user avatar
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Ubuntu latest kernel version 6.5.0-14-generic

I got an error in Ubuntu 23. It shows error -22: failed to register device with error 22, then it shows a bunch of logs. I thought if I booted an older kernel version (6.5.0-9) it would work, but I ...
Badr's user avatar
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Ubuntu server random reboots

Yesterday I faced a sudden reboot issue in one of my Ubuntu servers. The server rebooted suddenly, and it was up only after 9 minutes. The configuration and log files of the server are shown below. ...
Abhishek Sebastian's user avatar
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Ubuntu 22.04: USB Keeps Disconnecting and Reconnecting with 5-1 usb hub

For some time now, I have been experiencing issues with my USB input (mouse, keyboard) devices that are connected through a USB hub. These devices reconnect themselves after a certain period, ...
Philipp 's user avatar
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Is there any way to debug gnome-epub-thumbnailer?

I have been trying to use gnome-epub-thumbnailer in Ubuntu 23.04. The program installs & I am able to run gnome-epub-thumbnailer -s 1024 test.epub out.png successfully, but even after rm -r ~/....
dysbulic's user avatar
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Need to see boot/system log from before actual session because of system shutdown after 30 minutes, only actual session log can be viewed

Laptop is an Acer Aspire V3-772 with 8GB and Ubuntu 22.04.3 LTS, Gnome 42.9 & Wayland on UEFI. The memtest could only pass once (without errors) because the laptop always crashes after close to 30 ...
plopper's user avatar
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Need to find a high level log if one exists

I have an Ubuntu desktop server that is accessed by multiple people remotely. I need to locate a high level log file that shows, at a minimum, the date/time, username, and system action. System action ...
Mike984's user avatar
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Having trouble understanding bluetooth connection

I am trying to troubleshoot my connection to a cheap elm327 OBDII adapter, can pair it using bluetoothctl and i can trust it, can establish a serial connection using rfcomm, i then proceed to use ...
sgt's user avatar
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My Ubuntu 20.04 gets stuck many times. keyboard and mouse also do not respond

My Ubuntu 20.04 gets stuck many times. Keyboard and mouse also do not respond. journalctl -r logs file attached while system is stuck at around 9.30 AM:
bhavesh kunbi's user avatar
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Sending NGINX logs to a remote syslog server

How to write Nginx configuration on /etc/rsyslog.conf to forward Nginx logs to another server? I write this configuration for rsyslog but I think it's not completely right:
Lana Adel's user avatar
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Where is /var/log/daemon.log on 22.04 server on Pi4

Wanting to learn more about logs. Reading thru https://ubuntu.com/tutorials/viewing-and-monitoring-log-files#2-log-files-locations Noticing that /var/log/daemon.log & /var/log/debug are not ...
wimphot's user avatar
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How to stop a run away filling of a HDD?

Ubuntu 22.10; AMD 64-bit; 6 core; 1 TB HDD Somehow I got one of those run away 'fill the HDD' problems. I didn't even know I had that until I got an error message on screen that the HDD would soon be ...
Jim_HiTek's user avatar
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Server and Apache getting shut down automatically/randomly

I have a AWS ec2 server, I'm running 2 websites there on 2 different domains (obviously) using Apache2. One is domain.com, another is docs.domain.com. I'm running a wordpress website on domain.com. I'...
ujjwal's user avatar
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22.04: Help diagnosing why my session crashes about every other day; journal logs attached

My session crashes about every other day. The screen goes blank for a few seconds, and then displays the login screen, opening to a new session. I haven't identified a pattern of things I might be ...
Bill in Kansas City's user avatar
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554 views

How to copy all log files from a particular date to the current date?

I want to copy the log files from a particular date, say Nov 18, to the current date. How can I do that?
lokitha vasanth's user avatar
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The same log messages on every startup. I need to understand what they mean

When I check my logs in the "important" tab, they are pretty much the same on every startup. Is there something concerning about them? For example, what are these issues labeled as "...
Fingolfin40's user avatar
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What is causing ubuntu 20.04.5 to become inaccessible via SSH?

For a long time I ran Ubuntu 16LTS as my home server. After setting up a new server with Ubuntu 20 there are times where I simply cannot access the server via SSH. As far as I can tell, the system has ...
user2005218's user avatar
1 vote
0 answers
166 views

Codium and Nautilus crashing at boot with Signal 5 and SIGSEGV errors

Shortly after boot, I am getting a message "System program problem detected. Do you want to report the problem now?" when I click "Report problem" I get 2 pop-ups (attached screen ...
Maverickz's user avatar
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0 answers
862 views

How do we properly clear and refresh /var/log?

I have two v20.04 systems where a script created, literally, a million files in /var/log. After removing the junk (and fixing the script) access to that directory has been very slow for many months. I ...
TonyG's user avatar
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Could anyone help me fix this issue with TightVNC?

I installed TightVNC and it worked fine for the first 2 days. However, when I restarted it, it gave me these errors in the log files: 19/04/22 17:16:32 Xvnc version TightVNC-1.3.10 19/04/22 17:16:32 ...
Pikachubolk's user avatar
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Read logs real time with bash

I have this in the system logs: Feb 27 02:53:51 Latitude-E6430 rsyslogd: action up 7 Feb 27 02:53:51 Latitude-E6430 rsyslogd: action down B Feb 27 02:53:51 Latitude-E6430 rsyslogd: action up U .......
BurstBass BurstBass's user avatar
3 votes
1 answer
180 views

SPAM Notifcations

As of a week or so ago I started receiving what appears to be spam gnome notifications shortly after logging in (within a few minutes but not necessarily immediately). They always appear to be from a ...
topher217's user avatar
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Connection logs from previous day

I have a problem. I have a vps running Ubuntu server that got ddossed yesterday and I would like to know what ip address it was coming from. We have an ip that we think might be the ddos, but we don’t ...
Ruubbie's user avatar
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1 answer
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Laptop won't shutdown or reboot

I'm using Ubuntu 20.04 on a HP 17-ak032nf laptop. I got a really annoying problem, when I try to reboot or shutdown it, it will just leave a blank screen but I can still hear the fan, and sometimes ...
Indeblion's user avatar
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Cannot find TOCBLOCK, database may be corrupt

I opened Logs today and saw this error which says: ldm_parse_tocblock(): Cannot find TOCBLOCK, database may be corrupt. I am NOT dual-booting, my PC is running under Ubuntu 20.04.3 LTS version, any ...
Bek's user avatar
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0 answers
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PHP-FPM error log /var/log/fpm-php.www.log Which system user writes the file?

PHP-FPM error log is saved to /var/log/fpm-php.www.log. Which system user writes to this file? The file permissions are set to this: $ sudo chmod 666 /var/log/fpm-php.www.log I would like to change ...
Jun Shiozawa's user avatar
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0 answers
2k views

Viewing http requests that happened

Is there a log file where ubuntu stores all the http requests that come in? I need to view a request that happened yesterday, more specifically the body of that POST request. And also if nothing is ...
Denis 's user avatar
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How do we diagnose delays After large number of files are deleted?

This one needs a Linux/Ubuntu guru. A runaway program generated a large number (at least a million?) of files into /var/log. Even after deleting all (?) rogue files, any query on the folder/tree now ...
TonyG's user avatar
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1 answer
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How to trouble shoot arbitrary Linux programs

Currently I am trying to become better at using Linux and therefore I would like to know how Linux experts troubleshoot arbitrary programs. On my new laptop I could not burn a cd via k3b. It just got ...
Mister X's user avatar
1 vote
1 answer
73 views

My Ubuntu box restarted without warning, what log files do I need to examine?

My Ubuntu box restarted without warning, what log files do I need to examine? Specifically,, (1) which log files will tell me what forced a sudden restart? And (2) where do I find them? Update: ...
Matthew Brown aka Lord Matt's user avatar
0 votes
1 answer
241 views

Trying to isolate random freezes in Ubuntu 20.04

I'm new to Ubuntu/Linux but an experienced if not expert Windows user. I've set up Ubuntu 20.04 on an older PC with an Asus a8N32-SLI Deluxe (nvidia nforce4 chipset) motherboard and a Radeon HD 7850 ...
Parker Davis's user avatar
8 votes
2 answers
2k views

Search for file by the name it had before being renamed

I have some hundreds of thousands of files, personal stuff like photos, videos and documents gathered and stored during the years. Most of them are organized by type, dates and topics... But some (...
AmIanonIm's user avatar
1 vote
3 answers
2k views

How to fix `Unexpected input report number 128` spam in logs?

My logs are absolutely spammed with this message: logitech-djreceiver 0003:046D:C537.0002: Unexpected input report number 128 I do a Logitech G602 mouse that I use. Is this spam fixable?
Vadim Peretokin's user avatar
2 votes
1 answer
1k views

Ubuntu 20.04 freezes whilst using Teams through Google Chrome browser

I've only just installed Ubuntu 20.04 (around 5 days ago, so pretty clean install) and when I used MS Teams through the browser it was working ok to start with, then about 20 or 30 minutes into the ...
Force Hero's user avatar
1 vote
1 answer
1k views

Mysql logrotation doesn't work

I'm having trouble making Mysql log rotation working. I don't know why this is so complicated , even though I followed documentation and internet advice, still cannot make it work. I have enabled all ...
AlexP's user avatar
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1 vote
1 answer
221 views

Why do the following netstat, ps, and auth.log have such output?

I seem to be getting a lot of different connections (ssh) on this Ubuntu server I am sshed into. Are these just brute force attempts? When running netstat -tnpa | grep 'ESTABLISHED.*sshd' why do I get ...
Yohan's user avatar
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0 votes
1 answer
108 views

Are boot log messages anything to be worried about?

Before I log into my system (Ubuntu 20.04 LTS), messages appear on my screen. On further investigation, I find them to be error messages. Here are the messages that appear on my screen before I log in ...
Vishal Bagadi's user avatar
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0 answers
269 views

/var/log/kern.log full of "kernel: [259030.323390] failed hdr12 10 00 00 00 00 00 00 00 00 00 00 01 00 00 00"

I checked my logs today, with journalctl, and lo and behold, my journal is full to the brim with the repeated line below: kernel: [259030.323390] failed hdr12 10 00 00 00 00 00 00 00 00 00 00 01 00 00 ...
elcye's user avatar
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0 answers
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Why does my Ubuntu 20.04 logs show this whenever I boot?

Whenever I switch on my Ubuntu PC, the logs show power: shutdown scheduled for (T - 20.0) seconds
Rishikesh's user avatar
1 vote
1 answer
394 views

how do i enable boot logging on ubuntu?

perhaps its server envy, but I am looking around on a linux server hard drive and saw a file called "bootlog" which holds entries like: boot Sat May 5 02:50:51 2018 shutdown Thu ...
j0h's user avatar
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How to stop logs filling with "multipath: sdc: can't store path info"

Tried multipath -v2 -d so I can find laptop's integrated card reader wwid and blacklist it (it's /dev/sdc), but nothing returned, just a new line Any ideas how to stop sdc: can't store path info to ...
1000Gbps's user avatar
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1 vote
1 answer
522 views

Kernel log file flooded with chromium audit logs

Running Ubuntu 20.04. Today my system suddenly restarted and taking a look at the /var/log/kern.log file I found the following right before the reset: Jul 12 11:59:50 Emperor-Class kernel: [ 1406....
Bogdan Marin's user avatar
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0 answers
478 views

Gnome-logs important warnings (20.04)

I am rumming 20.04 having upgraded from 19.10. On boot up my Gnome-Log list the following four important warnings: Hardware: pcieport 0000:00:1d.6: AER: [12] Timeout Other: gkr-pam: unable to ...
SteveInBavaria's user avatar
1 vote
1 answer
536 views

Why dont dpkg logs record software removed as part of the installtion process?

The manifest for the Desktop image of Ubuntu 20.04 is available here. Some of the packages listed in the manifest are removed during the installation process. For example, ubiquity, ubiquity-casper, ...
DK Bose's user avatar
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18 views

Cannot login to my main user. Maybe stuck in some kind of a loop or hit some error

I have ubuntu 18.04. The problem is that i cannot login to my main user account, when i enter my password, it shows a blank black screen with only the mouse cursor and the processor starts making ...
Sijan Bhattarai's user avatar
-1 votes
1 answer
39 views

In a log like this: 21-03-2020 07:09 [LOG] ralex /home/ralei/secret ACCESS_WRITE_OK How can i see if the user is the same in both path and log?

So I have a fie of logs like this: 20-03-2020 10:01 [LOG] davis /home/davis/fis1 ACCESS_WRITE_OK 20-03-2020 11:11 [LOG] davis /home/davis/Pictures/cat.png ACCESS_READ_OK 20-03-2020 12:22 [LOG] root /...
an onim's user avatar
1 vote
1 answer
2k views

Ubuntu Laravel storage/logs/cron.log permission denied

I have Ubuntu 18.04, Laravel and PHP7.4. When I do for example command ls I have the list of folders and: user1@bpl:/var/www/html/storage$ ls app framework logs You have new mail in /var/mail/user1 ...
Robert's user avatar
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2 votes
1 answer
267 views

/var/log showing 1TB of 2TB hard Disk

Im relatively new to Ubuntu, please be gentle. System has just crashed while trying to learn Blender. Rebooted machine many times and now it is booting up OK, but I have noticed I have very little ...
DaveW's user avatar
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1 vote
2 answers
5k views

Ubuntu Logs meaning Disconnected, Invalid user and etc. Server attack

Recently installed new server, my first one and almost immediately started to receiving following log, it seems that someone is trying to access my server. Could not find a detailed description about ...
ProgZi's user avatar
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1 answer
310 views

what does Ubuntu store under system logs?

what does Ubuntu store under system logs? i found this link https://help.ubuntu.com/community/LinuxLogFiles but is the information on the website accurate?
lampshade74's user avatar