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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6
votes
1answer
508 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 ...
0
votes
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 ...
10
votes
4answers
45k 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?
7
votes
3answers
9k views

Exim PanicLog has Non-Zero Size…?

I'm getting the following error from my Ubuntu server: exim paniclog /var/log/exim4/paniclog on (my server FQDN) has non-zero size, mail system might be broken. I found a solution on the web here. ...
3
votes
0answers
104 views

how to track a crash when changing from X :1 to X :0?

I need to track on 14.04 a crash that often happens here: I open a new X at :1 (that sometimes goes to ctrl+alt+f8 others to f9). But when I try to go back to X :0 with ctrl+alt+f7, it crashes ...
0
votes
0answers
15 views

How force Logcheck to report fail2ban bans?

I'm using Logcheck to take care of my logfiles and suspicous activites. I also installed fail2ban and get sometimes... I would like to be informed then fail2ban blocks an ip.. but logcheck is not ...
0
votes
0answers
40 views

Simple proxy server just to log visited sites

What simple proxy server could you recommend to log visited sites from different users and from different browsers at single Ubuntu host? I want to get log file like this: user1 ...
0
votes
5answers
804 views

How to log memory usage per minute on Ubuntu Server?

I checked few programs such as htop or top command but couldn't find any features for logging per minute. Is there a way to do that for tracking memory issues ? edit: I was using linode and decided ...
0
votes
0answers
32 views

minimal data showing in auth.log

I have locked my server down and to help troubleshoot any holes, I look in the logs, especially auth.log. In the logs, it shows that there are attempts to log in but no data shows. I am not able to ...
0
votes
0answers
19 views

get kernel panic log

My system keeps hanging every several hours. I think the problem is somehow connected with network, because plugging ethernet cable eliminates the problem (even if ethernet is used locally only). If I ...
1
vote
2answers
44 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, ...
0
votes
0answers
339 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 ...
1
vote
3answers
66 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 ...
3
votes
2answers
328 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 ...
6
votes
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. ...
1
vote
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 ...
2
votes
1answer
117 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]: ...
0
votes
2answers
55 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 ...
0
votes
0answers
6 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 ...
0
votes
0answers
179 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 ...
0
votes
0answers
9 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 ...
0
votes
2answers
550 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 ...
1
vote
0answers
386 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 ...
0
votes
0answers
38 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 ...
11
votes
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?
0
votes
1answer
75 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 ...
0
votes
1answer
850 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 ...
1
vote
2answers
9k 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 ...
0
votes
1answer
54 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 ...
0
votes
0answers
22 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 ...
-1
votes
1answer
38 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 ...
0
votes
0answers
24 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 ...
0
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0answers
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?
5
votes
3answers
13k 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 ...
3
votes
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 ...
2
votes
0answers
324 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 ...
75
votes
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?
5
votes
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 ...
0
votes
1answer
28 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) ...
0
votes
1answer
181 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 ...
0
votes
0answers
31 views

/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 ...
4
votes
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 ...
0
votes
0answers
118 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 ...
0
votes
0answers
24 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 ...
0
votes
1answer
47 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 ...
0
votes
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 ...
0
votes
0answers
22 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 ...
0
votes
0answers
86 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, ...
0
votes
1answer
33 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 ...
0
votes
1answer
64 views

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 > ...