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

learn more… | top users | synonyms

0
votes
1answer
24 views
+50

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
0answers
7 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
1answer
22 views

can't log into ubuntu 14.04.1 after installation [on hold]

After installation was completed, it ask me to log in and it will let me enter user name but not the password. I have re-installed Ubuntu several times only to find my self at this point again.
0
votes
2answers
398 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 ...
0
votes
0answers
19 views

Uncommon logcheck mail

I have my mail server set up to send logs every hour. It is a squeeze/sid on Postfix, Dovecot, Apache2, Amavisd-new + SpamAssassin + pyzor + razor + ClamAV, Mailman and Roundcube (webmail) Debian ...
0
votes
0answers
28 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 ...
-1
votes
1answer
16 views

postfix connections from unknown hosts [on hold]

I have seen connections from hosts I don't know in my mail.log, here's an example: I've modified the host name to be "myhost" for easy reading My question is, is someone trying to send emails using my ...
0
votes
0answers
5 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 ...
0
votes
2answers
4k 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 ...
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
33 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
771 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
7k 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
43 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
13 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
29 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
22 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
votes
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?
2
votes
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 ...
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
128 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 ...
72
votes
9answers
12k 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
19 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
84 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
688 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
63 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
14 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 ...
6
votes
1answer
430 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
1answer
39 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
17 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
43 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
25 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
43 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 > ...
2
votes
1answer
162 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 ...
1
vote
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 ...
1
vote
1answer
31 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 ...
0
votes
0answers
63 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 ...
10
votes
2answers
9k views

How do I check if last shutdown was clean?

How can tell that my last shutdown was properly done in Ubuntu 11.10 or if the machine was powered off before shutting down the OS?
0
votes
0answers
17 views

How can I log per-process resource usage?

I am encountering a reproducible system slowdown when I perform a given action on the desktop. I have observed some odd behaviour running top and iotop in separate TTYs. How can I log resource usage ...
0
votes
0answers
32 views

Where did /var/log/user.log go?

Since 11.10 the user.log file has been removed. Where can I find messages that used to go there in the past? I am now using 14.04.
0
votes
1answer
56 views

How can I see tty during shutdown?

The shutdown of my ubuntu 12.04 never terminates. (It's been running for one hour, showing the ubuntu word with the rotating dots below: it's still alive.) Right after I initiate the shutdown, the ...
0
votes
0answers
66 views

Ubutnu virtualhost Awstats setup

I have many virtual host in apache like /etc/apache2/sites-available/ example01.com.conf example02.com.conf example03.com.conf etc.. All above listed virtual hosts have there own apache access.log ...
0
votes
1answer
780 views

init.d script doesn't log to /var/log/boot.log

The script below is working fine at system startup. However, its log messages don't show in /var/log/boot.log, when the system boots. I compared it with other init.d scripts and couldn't reach any ...
0
votes
0answers
169 views

can't access kippo-graph

I have made an instance in AWS with Ubuntu Server 14.04/ 64bit as the OS I installed Kippo and kippo-graph following this tutorial http://bruteforce.gr/installing-kippo-ssh-honeypot-on-ubuntu.html ...
-2
votes
1answer
85 views

Change time format in log file

I have squid log file in follow format: 31/Jul/2014:13:44:52 +0400.701 0 172.16.204.59 TCP_DENIED/407 5232 GET http://vec01.maps.yandex.net/tiles? - NONE/- text/html but log analyzer need time ...
48
votes
2answers
55k views

How do I keep track of failed SSH log-in attempts?

I'd like to see if somebody has been trying to log-in by brute-force into my Ubuntu 12.04 server over SSH. How can I see if such activities have been taking place?
178
votes
3answers
331k views

Where is the cron / crontab log?

I want to verify if my cron job is executing and what time. I believe there is a log for my sudo crontab -e jobs, but where? I searched google and it I found references to look in /var/log ...