Questions tagged [log]

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

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Finding Crash/Freeze Reason for Ubuntu 20.04 After Monitor Turns Off

A Ubuntu 20.04 system has its monitors automatically turned off after 30 minutes. However, there is this one time where pressing some keyboard keys no longer turn the monitor back on to show the login ...
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How to log the average values of memory and cpu usage

I want to create a script which calculate the average ram and cpu usage for a period of time,for example 2 minutes and then pass those values to a file.Is this possible? Thanks in advance! I use ...
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How to disable log when start application in desktop from terminal [duplicate]

I need open new tab in chromium, in other display, from script terminal. When I open, my terminal receive logs from Xorg or GTK (I don't know who print it). I used the command: DISPLAY=:0 chromium-...
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What is SRC column in /var/log/syslog?

I ran this command cat /var/log/syslog | grep SRC= | awk '{print $1,$2, $3, $12}' I saw thousands of IPs Apr 24 23:15:47 SRC=79.124.62.86 Apr 24 23:15:59 SRC=192.241.221.145 Apr 24 23:16:18 SRC=193....
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Ubuntu v20.04 can't be successfully logged in and an error message is displayed

We built a Ubuntu v20.04 system disk and installed Linux kernel v5.10 .deb files to switch kernel version to (v5.8 or v5.10) on boot. It's works to boot up on platform A whether on kernel v5.8 or v5....
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efi: Failed to lookup EFI memory descriptor

Ubuntu 21.04 hirsute (x86-64) kernel: 5.11.0-16-generic journalctl -b esrt: Reserving ESRT space from 0x0000000089cd3198 to 0x0000000089cd31d0 e820: update [mem 0x89cd3000-0x89cd3fff] usable ==> ...
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Make the journal logs less verbose

On Ubuntu 20.04.2 with Gnome 3 desktop, normally on X, but sometimes trying out Wayland too My concern is that stuff in /var/log/journal/ gets filled up very quickly. Last week it appeared to collect ...
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how to generate a report or log from nmon which is specific to disk i/o?

Per the man page for nmon I ran: nmon -f -d sda5 -t -r /home/thufir/performance/disk.log which generated quite a large file, as dur_210411_2146.nmon so, rather minor question is how to specify the ...
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Is There A Way to Monitor Drive Access History?

I occasionally get a burst of hard drive activity that lasts for 10-20 secs and then stops. I have seen some posts suggesting some sort of indexing might be going on but I don't know how to ...
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“Not enough free disk space” error after deleting huge log file from flash drive

All started this morning when I couldn't boot into Gnome, and got a blinking cursor. I realised nvidia-driver-460 had unmet dependencies, but I couldn't fix it since running sudo apt install --fix-...
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Serious wifi slowdowns, firmware error in logs

I have a serious wifi slowdowns on ubuntu 20.04, from 100 mbps to 6-7 mpbs and I have this type of error repeating in logs: Apr 3 13:04:02 LT14-0115-HeintzelM kernel: [ 480.217560] iwlwifi 0000:01:...
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Dovecot 1:2.3.7.2-1ubuntu3.3 not logging failed authentication on Ubuntu 20.04.2 LTS server

I am running Dovecot 1:2.3.7.2-1ubuntu3.3 on Ubuntu 20.04.2 LTS server. My postfix/dovecot self hosted mail server works fine! I can send and receive mail without any problem. All the packages ...
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How can I debug gtk file-chooser widget used from a QtQuick application?

I have issues with the file-chooser native window dialog that become unresponsive in some conditions in my app. I would like to see what the file-chooser is logging and where are the settings linked ...
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Tomcat 9 logging with log4j

Hello i want to configure the logging in Tomcat 9. I was following a tutorial about using log4j1.x. Seems that part relative to log4j is gone since Tomcat9. Im following this instructions taken from ...
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How to Solve Increasing Size of MySQL Binlog Files Problem?

MySQL Binlog files count is increasing day by day and their size is increasing in gigabytes. How can I stop the increasing size of binlog files? They are fulling the disc space.
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Check if a cronjob still writes to a log file

I want to define a cronjob like this: @hourly /path/to/my/script.sh &> "/path/to/my/logs/$(date +%Y-%m-%d_%H-%M-%S.txt)" So it should write the output of the script to a log file. ...
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Where do I configure permissions on /var/log/audit?

Issue I'm facing is that I am trying to set permissions on /var/log/audit. If I issue chmod -R g-wx,o-rwx /var/log/* and then restart the service, the permissions are reset to: drwxr-x--- Where can I ...
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Hosting Apache2 log File

Currently I am trying to host my apache2 log file, with no luck. Here is the error i am getting tail error.log I am running the most up to date version of Apache. Here is my config. 000-default-le-ssl....
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How to hide that Ubuntu has been reinstalled?

I come to ask you some help because I have a problem. I am not comfortable with linux, but in a professional context, someone gave me a computer with Ubuntu 20.04 (without anything installed on it). ...
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log not showing during boot, even with: debug nosplash --verbose

this is the whole custom line I boot with: linux /vmlinuz-5.8.0-41-generic udev.event-timeout=5 root=/dev/mapper/LvmMyGroup-mywhatever ro debug nosplash $vt_handoff --verbose this is the latest ...
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Can I clean syslog files? [duplicate]

I had a problem with the /etc/log/syslog file in the logs because he was reporting an error every second: Apr 26 16:09:53 ubuntu2004 multipathd [728]: sda: failed to get unknown uid: Invalid argument ...
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Dnsmasq unable to access log file

I'm very new to Linux, Ubuntu and this forum. I am using Ubuntu 20.04 in a VM as a wireless access point and I'm having a problem which is best explained with code: john@HomeDT:~$ sudo service dnsmasq ...
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103 views

How to give a permission to create log file in systemd service?

Here is the line to start a process in systemd service and save log to /var/log/besu: ExecStart=/bin/sh -c "$HOME/bin/besu/bin/besu --config-file=$HOME/bin/besu_network/node1/config.toml >>...
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Can be the `last` command disabled?

I don't want to make the log of logins accessible. How do I disable/cancel logging data available through the last command?
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PAM debug logging to Journal

I need to debug how the PAM authentication process of an appliation with my custom PAM module is executed. I'm using this for the Exim mail server on an Ubuntu 20.04 server and have created my own PAM ...
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Why I Can't See MySQL Logs in a Time Range?

I am using Mariadb Galera 3-Cluster replication and yesterday I faced a lot of db exceptions on applications. So the applications wanted to insert data to db but some of data could not be inserted. ...
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35 views

Removed GNOME log software

I accidentally deleted the GNOME logs package using Synaptic in Ubuntu 20.04. Can it have negative impacts on my system? If so can I get it back?
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Every new day I have this error : failed to open stream: Permission denied

I have this error The stream or file "/data/www/site.com/storage/logs/laravel-2021-01-14.log" could not be opened in append mode: failed to open stream: Permission denied -rw-r--r-- 1 root ...
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How Can I Make Configurations for MySQL to Log Only Important Things Like “Error”

A MariaDB-Mysql server is logging everything and somethimes logs reach 100gb+ and they grows until the logrotate rotates them. I want that the MySQL must only logs necessary things like Error, not ...
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A folder creates isnide var/log/journal and even after changing SystemMaxUse it doesn't solve my size issue

I've tried vacuuming, setting SystemMaxUse = 50M, but my guess (from someone who knows nothing about Ubuntu) is that, the fact that the files arent directly in var/log/journal but in var/log/journal/...
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166 views

Volume group “vgubuntu” not found

Ubuntu Desktop 20.04.1 LTS Is the following at the top of the boot log a problem that I should fix? The login screen appears and I can log in. Volume group "vgubuntu" not found Cannot ...
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Why My Logrotate Configurations Doesn't Work Correctly for MySQL-MariaDB?

I am using an MariaDB Galera 3-Cluster and I saw that the mysql logs on Node 2 grows up to 100gb and I decided to limited these logs that will not grow a lot. I used logrotate for that, so an file ...
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What causes system to halt

I have a security camera server running on Ubuntu 20.04. When I leave I can login into the camera client and access the server via ssh. However occasionally and now more frequently the system client ...
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Best log parser for Ubuntu that can parse all the possible information found in a ubuntu system for forensics?

I'm looking for a forensic tool that can help me with parsing all the available information on a system, so any activity that a certain user has done which can be collected needs to be fetched and ...
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38 views

How Can I Command to Delete MySQL Logfiles Whenever Their Data Size is Greater Than a Limit?

I have an MySQL server and I saw that it did not accept any connection because of there was no enough space in disc. I checked the log files of mysql and their size were 480GB(almost as the disc ...
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After daily log rotation, nothing going to apache error.log and access.log

Recently, after some update to Ubuntu 16.04.7 LTS (GNU/Linux 4.4.0-57-generic x86_64), I noticed that after the rotation of Apache logs, my execution of: sudo tail -n5000 -f /var/log/apache2/error.log ...
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/var/log/syslog not getting rotated

I have a fresh install of ubuntu 20.04. I have set daily rotation in /etc/logrotate.d/rsyslog file with a maxsize of 1M but the /var/log/syslog and kern.log file keeps increasing. Here is the rsyslog ...
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RE: Ubuntu 20.04.1 LTS Keeps Crashing Looking for help with error log

Ubuntu 20.04.01 keeps crashing. The following is the error log of the last boot before crash using: journalctl -b -1 -e Dec 09 10:40:12 tizzy wpa_supplicant[1077]: wlo1: CTRL-EVENT-BEACON-LOSS Dec 09 ...
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How to generate a new log file containing the MAC adress based on pihole.log which didn't contain it by default

I have a /var/log/pihole.log that contains lines like these: Nov 29 18:49:33 dnsmasq[13568]: query[AAAA] firebaselogging-pa.googleapis.com from 192.168.0.10 Nov 29 18:49:33 dnsmasq[13568]: query[A] ...
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Log of users accessed my ubuntu laptop

Is there any way to create and / or see a log with the users accessed my ubuntu 20.04 laptop since the start of having ubuntu installed?
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Deleted var/log/* and now Ubuntu tries to enter setup on boot

I deleted by doing sudo rm -rf var/log/* to clear some space. Now when I boot the machine, it enters the Ubuntu setup pages (language, location, new username and password etc). Beyond that, it enters ...
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Ubuntu 20.04 crashes after suspend and log files

My Ubuntu 20.04 crashes after I suspend it, but it doesn't happen every time. Sometimes I can keep the laptop on for 7 days suspending and waking it up many times, but sooner or later it'll crash on ...
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448 views

How to install ERPnext the easy way?

How can I run the easy install for ERPnext? nicholas@mordor:~/erp$ nicholas@mordor:~/erp$ sudo python3 install.py [sudo] password for nicholas: Logs are saved under /tmp/logs/easy-install__2020-11-...
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mariadb-server : Depends: mariadb-server-10.3 (>= 1:10.3.25-0ubuntu0.20.04.1) but it is not going to be installed

Recognizing that this is basically a FAQ: nicholas@mordor:~$ nicholas@mordor:~$ sudo apt --fix-broken install Reading package lists... Done Building dependency tree Reading state information......
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390 views

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 ...
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Snap store and snap apps won't run after accidentally deleting /var/log

I was trying to relocate the /var/log folder from my SSD drive to my HDD drive referring to How to change location where logs are stored? and I accidentally deleted the whole /var/log folder. And now, ...
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30 views

Rhythmbox get List of Played Songs

I am thinking of building a local song recommendation in my linux installed device (ubuntu 20.04). I am thinking of adding that as a plugin to rhythmbox. For that I need to get a list of songs played ...
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56 views

How to log disk load?

This question is similar to How to log CPU load?, but I need to log disk read/write speed load instead. It would be better if there was a way to log both CPU and disk load at the same time, so I could ...
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91 views

How to rotate a log file in ubuntu 18.04

I am using metabase on a digital ocean droplet with ubuntu 18.04. I followed metabase documentation for debian, but the problem is that after a while, I ended up with a 11GB log file in /var/logs/...
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90 views

Is there any way to see recently unplugged devices?

I heard an unplugging notification sound on my Ubuntu 20.04 laptop but actually I didn't unplug anything.I doubt if there is a problem about hardware slots. Is there any file that holds log records to ...

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