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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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.
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34 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 ...
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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 ...
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101 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 ...
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How can I log pre-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 ...
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37 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 ...
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4k 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 ...
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how to get the uboot log file of pandaboard?

i'm using ubuntu12.04 with 64 bit.I'm doing my project on Pandaboard ES.I flashed the MLO ,U-boot.bin to sdcard.It is working properly. But i want to take the log file for booting sequence.Is there ...
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1answer
35 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 ...
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2answers
46k 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?
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3answers
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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 ...
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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 ...
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1answer
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I have Privacy: Record activity ON but how to view log and all the stuff? [duplicate]

Where can I find the recorded data and screen snaps and etc things ? I had tried to find them within : ~/.local/share/zeitgeist directory but there are the following files available and i don't ...
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3answers
28k 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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1answer
11 views

How to get exit status of anacron jobs to catch errors?

It is easy to find failed cron jobs by setting log_level but how to do it with anacron?
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2answers
296 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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1answer
26 views

How to record chrome cpu and memory usage

Is it possible to record google-chromes cpu and ram usage?? with terminal or other software that will do the same task ?? Thank you in advance
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How can I find the reason ubuntu crashed [duplicate]

As the title, which log file i should pay attention? I don't use X (use ubuntu in text mode), I have python program which use much memmory . When the system break. The ssh can't connnect, keyboard and ...
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69 views

where can I find tftp-hpa server's log file?

I am using tftp-hpa in ubuntu 12.04, where can I see the verbose log of the server? I checked on syslog. there is no log from tftp-hpa server.
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Did these log entries record an intrusion to the server?

Here are log entries I found in auth.log. What does + ??? mean? And was there an unauthorized access? Feb 11 07:48:32 tts-server su[31265]: Successful su for www-data by root Feb 11 07:48:32 ...
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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 ...
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1answer
23 views

Minecraft Bukkit server spams logfile - Ubuntu 12.04

I have a virtual server (Ubuntu 12.04) and a serious problem with Minecraft/Bukkit. I've installed a fresh bukkit 1.6.4 on my virtual server and made some upstart script for it. Here is the ...
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Apache2 and PHP error logging

I've been running a local apache2 on a Ubuntu 12.02 LTS with the latest PHP version installed. I do need to debug some WordPress code to find out why certain values are not set in the database. I ...
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2answers
197 views

bash script to back up file [closed]

I have a few files to be backed up. I need a script to check line number of a file and if it exceeds, say 8000 lines, it will simply zip it and name it with date prefix format. I need your help.
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Where does xhost (or related X11 services) store access denied logs

Every time I setup a new computer for remote access I have problems getting it added to the xhost access list. I eventually get each system added. It would save a lot of time if I could locate the ...
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1answer
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Getting the names of users on apt-get logs

I am administering a Ubuntu server (Trusty) where several users have been given permission to run apt-get, but only two administrators have full sudo permission. I want to keep track of who installs ...
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1answer
19 views

How do I find logs that report the cause of a system crash?

My computer with Trusty is often rebooting, apparently in a random way. I have looked in system register but there are so many logs that is quite difficult to find the ones which only report the error ...
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Is there a log for connected peripherals? [duplicate]

I need a log of all devices I connected to my Ubuntu - even if they aren't connected anymore. So a log of all connected peripherals in Ubuntus lifetime would be perfect. Does that exist?
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199 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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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 ...
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1answer
34 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 ...
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2answers
23k 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 ...
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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 ...
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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 ...
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1answer
236 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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1answer
18 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 ...
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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?
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1answer
473 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 ...
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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 ...
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1answer
208 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 ...
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3answers
110 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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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?
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8k 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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78 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 ...
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147 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, ...
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2answers
44 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 ...
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95 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 ...
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How do I tell why it takes so long to boot up/login? [duplicate]

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 ...
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1answer
3k 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 ...
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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] ...