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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0
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2answers
65 views

Redirect UFW logs to own file?

Is there a way I can easily redirect the entries for UFW to their own log file at /var/log/ufw instead of filling up /var/log/syslog as it's becoming tricky to find solutions to problems with all this ...
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0answers
5 views

Log or View Log of all USB operations

If I want to see the log of all the USB devices that were connected to my machine is this feature already built in, if not is there a way to do so. Furthermore, what if alongside I also want to know ...
2
votes
1answer
20 views

How can I identify the program that has written information to a log file?

I recently got a message that something had failed to sudo on my Ubuntu laptop. At the time, I don't believe I was running anything that would need sudo. The messages that appeared in ...
0
votes
1answer
24 views

Two Unknown Errors at Startup [closed]

I'm running Ubuntu 14.04. Every time I boot up, the system seems to start normally except for two error messages. The messages have no other information, just the option to report the error or cancel. ...
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2answers
21k views

Where are kernel panic logs?

I've got problem with Handbrake/ffmpeg. After ~5 minutes transcoding, the computer locks up. I'm fairly sure it's a kernel panic because caps-lock starts flashing. There are a few logical questions ...
7
votes
1answer
128 views

Is there a “Settings history”, or a log of changes in configuration?

P.S. I have just found Is it possible to monitor dconf for changes? It, together with the answer by Volker Siegel, answers my question. A note for Xubuntu users: some settings are not in dconf, but in ...
2
votes
2answers
107 views

What does this (root) CMD line in system.log mean? Why is it there?

What does it mean? (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin ...
0
votes
1answer
165 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
1answer
10 views

How can I log acpi temperatures?

I'm trying to debug why my computer randomly shuts down sometimes, and to rule out temperature issues (since I don't think that's the case) I would like to log the output of acpi -t somewhere so when ...
10
votes
2answers
8k views

Where are the NetworkManager logs?

A previous poster on the regular forums ( http://ubuntuforums.org/showthread.php?t=843991 ) said /var/log/daemon.log, but I don't seem to have such a file. Do I need to enable logging?
3
votes
1answer
458 views

Empty log files after using logkeys [closed]

Why do I have empty log files after I start the keylogging process? I am using Ubuntu 13.04 and here are the steps I took: touch test.log sudo logkeys -s -o test.log I would test it out by ...
0
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2answers
3k views

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

On my ubuntu server I have Apache and PHP and all that nessory stuffs.. but when I run a php file <?php ...
0
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0answers
32 views

New to webservers

My boss asked me to take a look at the web server if I could and see what was causing some issues. It looks like I have tonnes of logs and I am not sure what to make of them. Any help that would be ...
0
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2answers
3k 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 ...
1
vote
1answer
123 views

Tool like GeekTool [ see logs on your desktop ]

Anyone know of a good alternative to geektool in macos x? I recently switched to ubuntu and it's not compatible with ubuntu. Geektool lets you display various information on your desktop, like log ...
0
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3answers
78 views

How to prevent logs from getting too big?

I have a cronjob that runs some Python scripts and they generate massive log file. How do I prevent them from getting so big? It'd be perfect if the file was deleted once it hit a certain size. ...
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0answers
18 views

Where are wireless or internet connection logs? [duplicate]

I want to go into a log file and see what happens when my Wi-fi drops, then take it elsewhere? Where can I find this?
10
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2answers
7k 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?
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0answers
42 views

Using Port 587 for Secure Submission

Testing from swaks, mail is delayed indefinitely. I believe that the local mail server is configured correctly, as per the ehlo responses: thufir@dur:~$ thufir@dur:~$ telnet localhost 25 Trying ...
1
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0answers
49 views

Can't log in Ubuntu 14.04 [duplicate]

I have a problem that started just yesterday after using upgrade version of Ubuntu 14.04 since its release. Namely, all of a sudden, Ubuntu won't accept my password. I changed it with passwd user, ...
0
votes
2answers
36 views

how to keep more than 2 log files?

In search of occasional boot problems, I would like to keep in the log files more than 2 ones that are kept now. For example, in /var/log, I have Xorg.0.log and Xorg.0.log.old that are created by two ...
0
votes
2answers
66 views

Cron doesn't execute one of the scheduled jobs

I'm using a lubuntu desktop, distribution Ubuntu 13.10, i686. This is my problem: in the job list scheduled by cron a job hasn't effect, but in /var/log/syslog its execution is traced. This is the ...
1
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0answers
44 views

How do I tell why it takes so long to boot up/login?

I'm running ubuntu 14.04 on a pretty new laptop, but it takes longer than I think it should (since the laptop is quite new) to start up and log in for the first time after booting. If I log out and ...
2
votes
1answer
2k views

create log file just for ssh

I use ubuntu 10.04, contained ssh. I want to create a log file that stores all the activity on ssh (only ssh). Like in /var/log/auth.log but only for ssh. Like /var/log/ssh.log. So, file ssh.log will ...
2
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0answers
55 views

Tiger: `rtm` is listening on socket XXXX

On my Ubuntu serve 12.04 LTS, Tiger is reporting a lot of stuffs like this: OLD: --WARN-- [lin002i] The process `rtm' is listening on socket 60404 (UDP) on every interface. NEW: --WARN-- [lin002i] ...
3
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3answers
2k views

How to startx with “-logverbose 6” arguments?

How do I pass the -logverbose 6 arguments to startx? It is necessary for submitting a bug report to Nvidia Support.
3
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1answer
1k views

Can't install graphic drivers in 12.04

The driver is ATI/AMD proprietary FGLRX graphics driver. After clicking Activate, it asks for my password and starts downloading. Then it shows an error message: 2012-10-03 16:16:04,227 DEBUG: ...
0
votes
1answer
26 views

KDE, how to have “tail -f” constantly on a dedicated panel?

Plasma has this nice plasmoid called File Watcher. At work I have 2 monitors. I would like to put this plasmoid on an empty panel on the second monitor. So that tail -f /var/log/apache2/error.log ...
1
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0answers
21 views

Change location of log file for “update-alternatives”

I am currently managing my logging system but while setting all log location a problem occured: I want to change the location of the file /var/log/alternatives.log and I have done some research. This ...
1
vote
1answer
23 views

Config --no-log for an init deamon job

I have a proccess configured under /etc/init and it runs by the init deamon, and want this proccess to stop sending logs to the /var/log/upstart dir. I read this document: ...
1
vote
1answer
26 views

Failure during boot with service failures (slowing down PC)

While Ubuntu is starting and showing it's boot screen an error occurs for several times saying: failed to execute 'lib/udev/socket:4/org/freedesktop/hal/udev_event' ...
0
votes
1answer
613 views

Make the daily log rotate run on exact time

I have Ubuntu 12.04.2 LTS server. My daily log rotations which are listed under /etc/logrotate.d/ are executed at the morning around 7:00 am, but it is not on exact time, each day it changed on range ...
4
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2answers
148 views

Rotating a log file in my home directory on Ubuntu Server 14.04 LTS

I have a log file ircd.log in /home/irc. I want to rotate it daily at 00:00 and keep 7 days. I want the rotated log files to be saved as ircd.log.YYYYMMDD for example ircd.log.20140505. Can someone ...
1
vote
1answer
46 views

Where can I see the text that is displayed during boot?

During boot, there are three stages : Before grub, I have two lines of text flashing telling me that something is not found Then there is the grub menu Then there is the normal boot process On ...
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0answers
18 views

Logwatch: Illegal users & font color

I am using logwatch on my ubuntu 12.04 LTS server. I get the results by e-mail. There are two aspects I would like to customize, but I can't find how: Under SSHD Section, there is: Illegal users ...
1
vote
2answers
48 views

How to create a txt log file of a “make install”?

I trying to install a program and I would like to see a txt file with the details of the operation. I think it is called a log file, am I right ? Once, someone told me to do this command: `make ...
5
votes
1answer
178 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
55 views

Screen flashing black just after booting

I've just been noticing, after updating to Ubuntu 14.04 that my screen flashes black at the log in screen. only for a quick second - but kinda weird seeing as it hadn't happened before. It only ever ...
1
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0answers
17 views

Ubuntu 12.10 keylog problem

I have Ubuntu 12.10 running and I want to do keylog so I did the following: sudo apt-get update sudo apt-get install logkeys sudo logkeys –s –o /home/user/Desktop/output.log It creates a log file ...
0
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1answer
174 views

Ubuntu 14.04 Call Trace

I am seeing a Call Trace in kern.log - system will shutdown cleanly Apr 14 20:58:00 kernel: [ 4742.743373] WARNING: CPU: 0 PID: 26176 at ...
0
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0answers
9 views

Log in problems ubuntu 13.04

I have just installed ubuntu 13.04 as a dual alongside windows 7 using the wubi installation . No as I try to log in I can only log in as guest , has anyone else encounters this problem and if so have ...
3
votes
1answer
117 views

Tens of thousands of failed/denied SSH login attempts [closed]

Recently a few friends and I came up with an idea for an app. To facilitate the creation of it, we set up LAMP on an Ubuntu Server 12.04. This box is running from my home. We've set up 3 user ...
2
votes
1answer
55 views

compression setting for log files in /var/log

For the log files in /var/log, it appears that the wtmp and also the rotated wtmp.n are not ASCII file and can only be read by the last command, so if they are compressed, one has to first uncompress ...
1
vote
3answers
47 views

do,while in bash

I want to get RX and TX from each network adapter, so to get RX and TX from one network adapter, i used this commands : cat /proc/net/dev | grep 'wlan0' |awk '{if ($2) print $2}' | awk -v ...
1
vote
1answer
58 views

log file rotation setting

It is a bit weird that in my /var/log dir, many files such as syslog, auth.log all seem to have older log files (rotated by [0-9], some like dpkg.log even rotates to 12 now), but the important wtmp ...
1
vote
1answer
85 views

how to simplify the info contained in /var/log/auth.log

my /var/log/auth.log contains quite some lines such as "reverse mapping checking getaddrinfo for 224.51.174.61.dial.wz.zj.dynamic.163data.com.cn [61.174.51.224] failed - POSSIBLE BREAK-IN ...
2
votes
4answers
6k views

Does Ubuntu log events occurring during the boot?

Is there anywhere in the ubuntu (or linux in general) logs which can record a computer booting up and the OS failing to load, due to a problem encountered during the boot stage?
0
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1answer
35 views

How can you read that messages that are shown during boot before X starts?

I edited in my /etc/default/grub, the following line: GRUB_CMDLINE_LINUX_DEFAULT=quiet After that, sudo update-grub, and it now shows me the messages during boot. but how can I read that messages ...
0
votes
2answers
170 views

Where is the log of pppd in ubuntu 13.10?

I am trying to find the debug infromation of pppd on Ubuntu 13.10. I have tried to read the mannual, but I found that the location of the log is for older version Ubuntu. what I have input sudo pon ...
1
vote
0answers
14 views

Open lastlog file from outside

Currently we took a backup of the lastlog file from Server1 and took it to Server2, however, we cant open it since the lastlog command opens only the lastlog of the server we are currently in, but not ...