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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How to keep record of every action and command executed? [on hold]

I there a way to see the terminal code for every action taken? Something like a listener to know what goes on behind the scenes for every action I take. Example: "selected this element, clicked on ...
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2answers
5k views

Unable to locate tomcat log file

I am not able to locate the tomcat log files on ubuntu. I looked into /var/log/tomcat6 but the output are these file, catalina.2012-11-23.log catalina.out localhost.2012-11-23.log ...
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2answers
35 views

Should /var/log be on an hdd partition when / is on an ssd?

I keep reading that /var/log should not be on an SSD as it gets written to all the time. I'm installing Ubuntu and SSD and am wondering if I really need an extra partition for this folder on my HDD, ...
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3answers
41k views

Where are the OpenVPN connection logs and configuration files?

I have problem connecting to OpenVPN server. Where are OpenVPN log files and how do I find the connection details?
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82 views

Ubuntu 14.04 - logrotate does not rotate /var/log/* (rsyslog config)

I have a bunch of Ubuntu 14.04 servers I manage where logrotate is not rotating anything under /var/log/. I'm going to assume its an issue with the /etc/logrotate.d/rsyslog as I see other entries in ...
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3answers
63 views

Is there a log of package management activity like recent removals?

Is there a log that shows recent activity done by the package management, like apt-get, dpkg, synaptics? For example, you removed a bunch of packages but realized that a not-tracked application (for ...
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2answers
292 views

Can I safely change group ownership of /var/log/auth.log?

I am the Splunk administrator working with an Ubuntu 12.04 LTS system and I want to collect events from /var/log/auth.log. -rw-r----- 1 root adm 16534643 Jan 8 09:49 /var/log/auth.log Splunk ...
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6answers
3k views

Filesystem filling up due to large uvcydnctrl-udev.log file

Now my installation of Ubuntu costs me more than 100 GB of the hard drive space. And whenever I try fslint and fdupes, they say Permission denied to delete the duplicates. Please help me guys. ...
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0answers
26 views

How to check Applications log like nautilus,firefox,chrome access logs

how to check when nautilus was opened like i want to check applications access time when users open certain applications in ubuntu.I tried in /var/log i have not found any logs regarding applications. ...
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1answer
6k views

Thousands of pam_unix log entries in logwatch

My logwatch reports, within the CRON section, contain thousands of entries like those below. How can I either reduce the number of log entries OR have logwatch ignore them? Jan 30 18:49:01 ota3 ...
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1answer
111 views

Check which SSH key was used to login

So stupidly enough in our development team every individual SSH Key is used to access the root user directly. When Checking the auth.log I can find this Dec 18 09:45:04 webserver sshd[12377]: ...
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2answers
40 views

How can I access network statistics (like bandwith/data usage) in logs for the past 2 weeks?

I want to extract network statistics of past two weeks. It should contain information like the uploads and downloads, also the network speed (bandwith ) I received. I tried system monitor, but ...
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58 views

syslog and kern.log files are huge on encrypted system

I have a one week old system on which I have installed Ubuntu 14.04 with the encrypted file system and encrypted home directory options. I have been running out of space, and I realize one factor ...
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0answers
5 views

Logging snmpbulkwalk with net-snmp

I am trying to log the command for snmpbulkwalk using the command snmpbulkwalk -Lf /etc/snmp/snmplog -v 2c -c public 192.168.2.4 1.3.6.1.4.9 I can see that the file /etc/snmp/snmplog is being ...
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105 views

Ubuntu virtual host AWStats setup

I have many virtual hosts in Apache like /etc/apache2/sites-available/ example01.com.conf example02.com.conf example03.com.conf etc.. All above listed virtual hosts have their own Apache access.log ...
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8 views

Is there a log for the HUD?

I changed the Icon for one application in the ~.desktop file and it works properly. The new icon appears in both the dash and the launcher. In the HUD though the Icon appears if I don't write ...
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2answers
459 views

How to make sudoreplay work?

I recently discovered sudoreplay whose manpage says that it replays sudo session logs. But I am not sure how do I make it work. For whatever little commands I ran it kept on saying that ...
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0answers
167 views

“mei_me 0000:00:16.0: no destination client found 0x00002285” spamming logfile, fix?

ubuntu 14.04 desktop install. Have fully up to date security and regular updates. syslog file gets spammed with thousands of this entry: kernel: [15863.834330] mei_me 0000:00:16.0: no destination ...
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25 views

munin send mail about permission denied to munin-update.log

I have install munin, but CRON send me mail about an error: Can't open /var/log/munin/munin-update.log (Permission denied) at /usr/share/perl5/Log/Log4perl/Appender/File.pm line 103. but the ...
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2answers
6k views

Does Ubuntu log when USB devices are connected?

When I connect a USB drive to an Ubuntu OS, would there be a text file which contains details of that connection and if so, where is that file located ? What is the name of that file?
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1answer
55 views

Sending different kill signals to init - how to log

I have to write a C program to check how init reacts to different kill signals, however I am not sure how to log it - for example signal number 14 crashes the ubuntu, then some higher one turns it ...
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1answer
807 views

Somebody help me with my paranoia

I tend to be on the paranoid side, and for some time there are messages in my log file that tend to get me going close to the edge of sanity. Could someone explain the following in my auth.log file ...
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2answers
8k views

Why can't I write to a file even after 777 permission? [closed]

On my ubuntu server I have Apache and PHP and all that nessory stuffs.. but when I run a php file <?php ...
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1answer
44 views

Avg on Ubuntu access log file

I'm using avg 2013 on my 12.04 LTS.I want to access the log file where avg stores the infections. I'm having tried to open the avgevtlog file in this directory:/opt/avg/av/bin/ but i have no ...
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14 views

Monitor print jobs/pages printed per IP address

We use an honor system for printed pages, but since someone's been misusing our trust I would like to monitor/log the amount of pages printed per IP address. Is there any software (or script) that can ...
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1answer
33 views

Disable all Logs

I use my Ubuntu vps with openvpn as a surf proxy. For security and privacy reasons i want to disable all logs on the server. So no IPs are getting loged in any file. I already disabled rsyslog ...
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23 views

A question about logs (security)

I was taking a look on this page, about knowing if I'm being hacked, but I got a question. It says that: If large chunks of time (more than 5 minutes) are unaccounted for in a log file while the ...
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18 views

Where can i find the change log of Ubuntu touch (devel-proposed)? [duplicate]

I'm currently using Ubuntu touch on my nexus 5. Where may I find the change log of every update I get?
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3answers
12k views

Ubuntu: Can I delete /var/log files due to low root space

Just had the message: Low disk space.. 2 GB left Judging by a posted message on ubuntu.org forums, I found that I have a .log file in /var/log at 22 GB in size!! My root is an 82 GB partion and ...
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1answer
131 views

What and where to search logs for discover the reason of a spontaneous logout?

Suddendly, without any reasons I can explain, my ubuntu logoff, recovered with ctrl+alt+f1, login, ctrl+alt+f7 . Ok, I was running chrome with flash plug-in, and some terminal bashscript, smalls ...
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0answers
201 views

Ubuntu crash - how to read log files

A few days ago the laptop decided to close without no relevant reason. From this day on, it randomly crashes without explanation. This is what I (correctly?) filtered from the log files on the last ...
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9answers
13k views

How can I tell what date Ubuntu was installed?

is there a command which will output the date that ubuntu (or any distribution) was installed?
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2answers
4k views

How do I diagnose Hang on Shutdown?

Since one or two months ago, my laptop with ubuntu 12.10x64 hangs during shutdown. There's just a black screen, no harddisk activity, it justs sits there. I feel it happens near the end of a normal ...
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1answer
22 views

Why am I getting this annoying log messages.CRON[17405]: (root) CMD every minute

I have configured rsyslog.conf file to store log messages to mysql but I am getting some annoying log message in my MySql table. which looks like this. Nov 3 14:48:01 username CRON[17405]: (root) ...
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1answer
125 views

Need help interpreting log file and installing missing AMD driver dependencies

I'm having trouble installing the AMD Catalyst 14.6 Beta Driver for Linux on my Ubuntu Gnome 14.04. I know this might seem trivial but I need help interpreting and understanding the names and ...
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/var/log uses 115G [duplicate]

I own a vServer with 120G disk-space. Today I discovered that I cant upload any files with ftp and my MySQL-Server stopped working. I found out that suddenly my disk space is full. After some research ...
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3answers
1k views

Very large log files, what should I do?

(This question deals with a similar issue, but it talks about a rotated log file.) Today I got a system message regarding very low /var space. As usual I executed the commands in the line of sudo ...
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93 views

AMD Caicos XTX/Radeon HD 8490 filling log

dmesg and syslog are overwhelmed with the following errors multiple times per second. For the most part, things operate well enough, but I sometimes have some performance issues so I'm trying to track ...
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19 views

How to: autocreation of system performance / health log?

I want my system to create file with a history entries filled by: exact time CPU, GPU, HDD temperatures network total up/down bytes RAM and swap % usage Less important: CPU, GPU, HDD loads ...
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1answer
471 views

How do I get information from the logs on my computer when I only have access to the command line?

For various reasons I can no longer access my graphical desktop, and can only login via a tty (Ctrl+Alt+F1 through F6 by default). To help diagnose and solve my problem I need to look through the ...
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1answer
42 views

Log proccesses activities for later analysis

I'm having a problem with a Ubuntu 14.04.1 LTS machine that occasionally freezes up for no reason that I can logically predict. Once it happens the HDD usage seems quite high for no reason ...
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1answer
1k views

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 ...
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20 views

long term log of all traffic

I have connected my ubuntu 14.04 computer to a "mirrored" port on my firewall, so that I can see all traffic on the network. I use this today to see who uses our bandwidth with NTOPNG. but since I ...
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63 views

ConsoleKit history log file is suddenly huge

I've had a server running (accessible on the web) for a year or so. There's a series of compressed history files in /var/log/ConsoleKit that are a few kilobytes each. However. October's is 1.2 GB, ...
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1answer
29 views

Can't log into my computer after video cart update

This morning I tried to update my video card, my computer has 8gb of ram, i7-2600k, and a gtx750ti. I am rather new to ubuntu, I can't log in using Ctrl alt f1 sadly, I just get a log in error. All I ...
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Whats does this Sever error mean?

> org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'videoMobileController': Invocation of init > method failed; nested exception is > ...
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1answer
163 views

How do I clear a log file that is currently in use?

I'm trying to clear a log file in use, and all the commands I've tried so far: truncate less tail filename Don't get the job done. Deleting the file and creating a new file with the same name ...
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2answers
2k views

Log files are taking too much space and I can't delete\clear them

After using Ubuntu for 2.5 months, my /var directory reached around 37 GB or RAM while my / directory is all 50 GB or RAM and the rest of space is for my /home. I found that the following files are ...
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1answer
39 views

How do I change my cron loglevel to 7 from default value 1?

> man cron, tells me that the default log level for cron is 1; i.e. cron "will log the start of all cron jobs." I want to set that to 7, so I checked in all the wrong places, starting with the file ...
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80 views

14.04 Kernel Panic

on two of my VMs I get every day kernel panics, but I don´t have logfiles for them. So I tried this to reconfigure rsyslog and setup linux-crashdump but: My syslog logfiles has no entries for the ...