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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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 ...
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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, ...
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Syslog-ng Server get too much logs form Own Server

I have configured Syslog-ng but i am getting too much logs from my own Syslog-ng server @version: 3.5 @include "scl.conf" @include "`scl-root`/system/tty10.conf" options { time-reap(30); ...
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How can I clear the npm forever log file when it reaches a certain limit?

Our dev server keeps hitting 100% memory usage on /dev/xvda1 [ 30G 30G 0 100% /] 18GB of this is from forever logs. Yesterday I ran forever cleanlogs and the size of the 18GB folder went down ...
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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 ...
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what process normally reduces the size of ~./cache/lxsession/Lubuntu/run.log

I ran into a login loop problem caused by the root directory being full, as described in this post. It was caused by the run.log file growing huge, as described in this answer. I found the file ...
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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 /...
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No kernel messages are logged in kern.log

I see that the kern.log file doesn't show any message. I did put the iptables log in kern.log this way: sudo iptables -A INPUT Until yesterday, this command was working, but today I needed to add ...
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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 ...
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Is it possible to view full shell log? [duplicate]

Is it possible to view the outputs history of previous commands and not only shell commands history? If so how? Thanks in advance!
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/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 ...
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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 ...
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283 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?
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Ubuntu makes my computer clear and blank

Today I got the second time a similar problem with my Ubuntu. The first time it was in September, the second one is today. For the first time, it was updated by itself to the new Ubuntu version and ...
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453 views

“iwlwifi 0000:02:00.0: BIOS contains WGDS but no WRDS” warning

When running Ubuntu 19.10 on both Wayland and X11 I am still getting this "important" warning in gnome-logs: iwlwifi 0000:02:00.0: BIOS contains WGDS but no WRDS Wifi is working perfectly and ...
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How do I found out which process creates a tilde “~” directory in my home folder

Some process keeps creating a directory named ~ in my home folder. How do I find out which process is doing this? I couldn't find anything useful in the syslog. I can use ls -l to find the time it ...
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Enabling ssh logs on ubuntu system

I want to enable ssh logs on my ubuntu system to monitor actions performed by any ssh connection. My first question is whether i can see these actions in ssh logs and if so then how can i start ssh ...
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How to see activities performed from WinSCP on ubuntu system

I frequently connect to ubuntu machines from WinSCP to perform some file actions like copying or deleting files. But these actions do not get recorded in any of the logs(Not that i know of) of Ubuntu ...
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Want the log of all user activites,commands etc

For security measures, I want a log of all acivites of all users on ubuntu system. Even the activities performed from UI or by externally accessing device through Putty or WinSCP. For ex. if someone ...
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Terminal command for getting information about the time and user of all the commands executed in all sessions of terminal

I want to know which user executed which command on terminal and when i.e. if any of the user does "rmdir abc" and removes a specific directory , i should know which command he executed and at what ...
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Ubuntu 18.04 restarting every time it is idle for too long, probably crashes

I have been experiencing this issue from 1 month and I thought it was some bug. But It started to reappear. Logs from dmseg: [ 188.894288] aufs au_opts_verify:1609:dockerd[2612]: dirperm1 breaks ...
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Disable logs for a specific program

I use Gnome Shell Extension Pixel-Saver to save desktop space. Every time I run any program I get errors in the syslog. For example Firefox: host gnome-shell[1591]: [pixel-saver]: Can't find original ...
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323 views

How to determine meaning of ras-mc-ctl error messages?

ras-mc-ctl --errors is reporting results like: 661 2019-08-20 08:42:29 -0400 error: corrected filtering (some unreported errors in same region) Generic CACHE Level-3 Generic Error, mcg mcgstatus=0, ...
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Multiple Processes getting stopped with error “Resource temporarily unavailable” and “can't fork” resulting in crash

We are running a script on Dell Edge gateway 3002 to send data to cloud, but after running for 4-5 days the gateway becomes unresponsive(hanged state) and can't be pinged. The gateway has Ubuntu 18....
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How to change /var/log/lightdm/lightdm.log timestamp

Is there a way to change the timestamp format for /var/log/lightdm/lightdm.log ? I have lines like this [+391362.52s] DEBUG: Greeter closed communication channel [+391362.52s] DEBUG: Session pid=...
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Aptana won't launch - error after choosing Workspace folder

I am on Ubuntu Disco 19.04 and have installed Aptana via the .zip file. I've also installed Java via instructions here. When I launch the .exe from my Aptana folder, I get the Splash Screen, then ...
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Logs not appear

My server today crash and I need know the reason. I look inside dmsg log and verify that has a period of time that I do not have log. Why is is happened? logs
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How to add custom fields / tags when I use modules in filebeat to distinguish the origins of log records?

I am using the latest version of ELK Stack and I have Filebeat installed on different servers. I am using different filebeat modules to send the logs. Considering that each module handles a path ...
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519 views

APCUPSD and “do_IRQ: 3.33 No irq handler for vector”

Logs are filled with error: Jul 21 17:56:36 servername kernel: [ 2883.646823] do_IRQ: 3.33 No irq handler for vector Help! What is this? Its a brand new 18.04 server install on new hardware. I ...
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Ubuntu 19.04 restarts for no apparent reason

My Ubuntu machine restarted while in sleep mode. This has happened once before under similar circumstances, and I'm trying to narrow the cause down. Checking the logs for an hour prior to the reboot ...
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USB Ports not working in linux

we have multiple systems which are installed on the same way. Now we have a bad situation, ANY USB-Port will not work on two PCs while using ubuntu 18.04.02 server version. The usb ports working fine ...
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I was hacked? (am I a slave?)

I'm a newbie to Ubuntu Few days back, I noticed a text file named pwn3d.txt on my home folder. The following text was in it: You are (fully) pwn3d due to a homobraphic error on your software ...
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How to extract log using bash script between a date / time and another

I have a 3 logfiles and need to extract via bash a period. However it does not identify the file as date / time. Can anyone help me with how would a script using sed or awk or even grep get a log from ...
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87 views

where commands are logged apart from .bash_history?

I wish I could restrict access to all files where commands are logged. I found these only in .bash_history file located in the home folder. Is there another place?
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Massive amount of data being generated somewhere, filling up disk space

Preface: I am running Ubuntu 18.04. I can provide additional information if requested. Somehow, some way my disk is filling up hundreds of gigabytes of empty space in just a few hours entirely on its ...
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How to check when system went on battery power

Ubuntu 18.04. Does anybody know if there is a way to check when the system went on battery power? It seems my laptop lost power at some point, went to battery power and died (disabled sleep/suspend ...
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How to diagnose the process causing catastrophic failure using digital forensics

Ubuntu 18.04 lsb, I'm trying to figure out the best way to diagnose whats happening when the Amazon Ec2 instance (free tier) hangs. There are experimental services running and there may be / is a ...
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261 views

Getting full logs of sshd failed connections

When I've queried status of my ssh server which has public ip, it states following: user@mypc:~$ sudo systemctl status ssh ● ssh.service - OpenBSD Secure Shell server Loaded: loaded (/lib/systemd/...
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How to check when a process stopped running? [duplicate]

I'm trying to figure out when a command I entered stopped executing, for example sudo apt-get update I want information like: started execution at : 12:00 finished execution at : 12:15
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How to find mysql log in xampp?

I'm on Ubuntu 16.04, Xampp 7.2 64 bit, how to find MySQL logs? I tried all the answers listed here, none worked, not the error logs, mysql logs so I can connect it to Logstash.
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How we can monitor the network traffic of logs transferred through the rsyslog

I'm consolidating the client logs to a centralized server in Ubuntu using the rsyslog deamon. While consolidating the logs, how can i see the amount of network traffic or file size transferred from ...
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18.04 - Cronjob Not Working on Reboot

I have recently added the following commands to the crontab : @reboot macchanger -r eth0 @reboot macchanger -r wlan0 This worked perfectly and I used it this way for a couple weeks, then I added a ...
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Ubuntu 18.04 freezing randomly with home-built computer

I have a home-built desktop: AMD Ryzen 7 1700x 16Gb (2x8) Corsair Vengeance RAM NVidia GeForce GT 1030 Kernel: 4.15.0-38-generic Nvidia Proprietary Driver 410.73 I have been having this problem ...
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Get video played details using mplayer

I am working on a project which gets a video URL from the server and then plays it. Once the video is completed it asks for another link from the server and plays it after receiving the URL. I am ...
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are my reboot-logs incorrect?

I´ve recently taken a look at my reboot-logs with last -x | grep reboot : reboot system boot 4.4.0-134-generi Mon Aug 27 12:36 still running reboot system boot 4.4.0-134-generi Sun Aug 26 12:...
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Ubuntu logs something and it becomes impossible to open os again [closed]

I had ubuntu 16.04 LTS in my laptop with 50 gb root 20 gb swap and 160 gb home directories. After I started the computer it started to log something and gave me the warning root part is full I checked ...
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How can I tell when a machine tries to get a new DHCP address?

I’m having an issue where one of my servers is losing connectivity. I suspect this is due to it trying to renew it’s DHCP lease. Does an Ubuntu server keep logs about when it tries to get a new ...
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805 views

Can't redirect stdout and stderr in background

I want to launch a task in background and redirect all outputs to a file. For this, I do ./main.py > /tmp/logsFile 2>&1 & but i doesn't work I think the problem comes from the background ...
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Forward logs in linux to remote syslog server

I need to forward logs from the below OS to a remote syslog server. I am trying to browser google to find some info. Will you please help me change the configuration so that even if the system reboot ...
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What's the name of log error viewer from U.Budgie?

Recently have moved on Mate, and I would like to have that tool that informs me with various types of errors from log files with priority 3. On Budgie, I could launch it by typing "Logs" name in menu. ...