Syslog is a protocol designed to relay system event messages. Questions related to syslog involve event notification and logging capabilities.

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Which script rotates /var/log/auth.log?

I cannot figure out where /var/log/auth.log is rotated. I found the file /var/log/auth.log.2013-09-16 on my system, which contains log entries previously found in /var/log/auth.log. Where does that ...
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0answers
471 views

How to send dhcpd lease & MAC address info to central syslog server?

I am looking to send dhcpd leases including MAC address info etc. to my remote central syslog server, the server running dhcpd is running syslog-ng...would someone be so gracious as to assist me with ...
2
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1answer
326 views

How to send DHCPD leases to remote syslog-ng

I want to query a DHCP server for logs about leased IP’s every 5 minutes. I am not sure how to run the query from my server or which file to edit. The queried logs will be sent to the server ...
0
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1answer
354 views

is apparmor shutting down rsyslogd / syslog?

Protocol of syslog is ending ( shut-down ? ) with output : pluto cracklib: no dictionary update necessary. Aug 19 11:17:23 pluto kernel: [ 8090.193574] audit_printk_skb: 57 callbacks suppressed Aug ...
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1answer
269 views

Opening /etc/syslog-ng/syslog.conf

I understand that the above is a text file and I want to open in for editing. I am using: sudo /etc/syslog-ng/syslog-ng.conf How must I modify this command?
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1answer
6k views

Set up a syslog server

I have installed Ubuntu Server 12.04 and I intend to set up a syslog server. Any ideas would be appreciated.
4
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1answer
5k views

rsyslog filter by tag

I would like to create a rsyslogd config file that filter the syslog for specific tag and outputs this tag to a specific file. I create a rule file under /etc/rsyslog.d # Log kernel generated UFW ...
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2answers
126 views

What does this output in syslog mean?

There is this output every passing minute - one time - in syslog: CRON[15164]: (root) CMD (/usr/bin/test -x /usr/sbin/autodns-dhcp_cron && /usr/sbin/autodns-dhcp_cron) What does this mean ?
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2answers
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How to disable the log files?

To be specific I want to stop the kern.log and syslog files. I just installed Xunbuntu about 2 days ago and have no experience with this OS. I know they are supposedly important, but I have a ...
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1answer
138 views

rsyslogd and system log output weird or normal?

currently I have this non-stop output in system log: [ 89.115236] FW REJECT (input): IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:00:23:5e:6f:ab:d9:08:00 SRC=10.158.0.1 DST=255.255.255.255 LEN=389 TOS=0x00 ...
5
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1answer
3k views

/var/log/syslog empty

Apparently my logs stopped working around Apr 10, as the current /var/log/syslog is empty, and /var/log/syslog.1 has the following for its last entries: Apr 10 20:25:01 li243-206 CRON[2883]: (root) ...
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1answer
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Machine stops suddenly, Only hard reset can help

It is happens sometimes, im just working and suddenly machine starts lagging. Then it can totaly stops (Nothing works, mouse, keyboard etc.), or sometimes not. Jun 5 16:04:12 c0rp kernel: [ ...
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1answer
237 views

Unstable boot: kernel oops (snd_hda_codec_configure)

List of problems i have. Unstable Boot: Sometimes kernel panics, black screen after nvidea driver loading, no nice boot screen and 2 kernel oops everytime i boot. Shutdown: Computer stays stuck on ...
2
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2answers
3k views

How to verify if a reboot was due to power outage?

We've had problems with tripping a breaker and I think we just did it again, but I need to confirm that 1 of our boxes rebooted due to a power outage and not for another mundane reason. I have ...
0
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1answer
313 views

How to tell what is logging bandwidth [duplicate]

I've been having everything that goes through my NIC logged and I'm not sure how it happened. The last thing I installed was webmin and I'm not sure if that changed a setting or not but as of today ...
0
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1answer
978 views

/dev/sdb SATA-disk does not even show up in syslogs if I plug it in while machine is running

I have Ubuntu 12.04 LTS on an Intel machine:, uname -a gives 3.2.0-38-generic #61-Ubuntu SMP [..] x86_64 x86_64 x86_64 GNU/Linux The mainboard is a Intel S3420GP board. Until recently, I cannot ...
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2answers
6k views

What could be the cause for these strange UFW block entries in my syslog?

I've recently noticed a large number of recurring UFW blocks in my syslog. This surprised me as I have no UFW rules set: $ sudo ufw status verbose Status: active Logging: on (low) Default: deny ...
5
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2answers
179 views

How to delete private data from log files?

I have heard that log files contains private data. How can I remove it and what files should I remove from them? Those are very long files so maybe if I know what to remove I can use a script or ...
2
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2answers
93 views

syslog kernlog xorg.0.log - is it safe to post them

Is it safe to post syslog kernlog xorg.o.log from /var/log online to solve a problem with ubuntu system? There is private content in there that other people should not see? Thanks
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0answers
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kvm error in syslog says cpu0 unhandled rdmsr

I have a server that hosts about 20 KVM guest machines. It's syslog is, at times, flooded with messages like these: 00:17:36 vhost-server kernel: [ 157.835078] kvm: 3138: cpu0 unhandled rdmsr: ...
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1answer
396 views

Software Center seems to freeze system when installing, syslog has “blocked for more than 120 seconds” errors

12.04 (precise) 64-bit Kernel Linux 3.2.0-39 3.6GB memory Intel Core 2 Duo CPU @ 2.40GHz x2 WUBI-installed Ubuntu running on a MacBook Pro 7.1 with OSX running Vista via Boot Camp (hey, I like lots of ...
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0answers
646 views

How I can connect the syslog-ng with a mysql database?

Hi guys I want to use a syslog-ng server for logging data from the firewall and I get Data from the Firewall in the file /var/firewall.log but now I want that the logs go to a database. For this I ...
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2answers
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Various segfaults in syslog; firefox, apt-get and other apps broken

I am working on an Ubuntu 12.04 installation that has recently started misbehaving. It is used by multiple people at an office, so it's possible someone messed things up (although the only user who is ...
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0answers
318 views

My cpus are powered down periodically

I post here because I am using Ubuntu but this is probably an hardware problem. Since I bought my new setup with AMD Athlon(tm) II X4 635 Processor and asus m4a89td pro/usb3 motherboard with ecc ram I ...
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2answers
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How do I configure CUPS and change SAMBA setting for no printers?

A couple of time an hour, these lines show up in syslog Feb 19 09:20:11 KISE-055 smbd[5685]: [2013/02/19 09:20:11.609603, 0] printing/print_cups.c:110(cups_connect) Feb 19 09:20:11 KISE-055 ...
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3answers
14k views

rsyslogd stopped writing to /var/log/syslog two days ago

It seems rsyslogd stopped writing to /var/log/syslog on my laptop two days ago, and I do't know why. This is visible in the following: clh@avignon:/var/log$ ls -lt | head -30 total 12600 drwxr-xr-x ...
0
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1answer
491 views

Tilt of laptop causing “Unknown key pressed” syslog entries

While trying to figure out another crash on a new HP Probook 4340s, Ubuntu 12.04, I noticed my syslog was getting continuously spammed by this: Jan 14 06:50:02 localhost kernel: [ 1070.536686] atkbd ...
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1answer
3k views

How do I stop /var/log/kern.log.1 from consuming all my disk space?

I have a 80 GB HDD without any partitions. One day I realised that I have lost most of my free disk space. I discovered that /var/log/kern.log.1 takes up 25 GB of space and there is no delete option ...
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1answer
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How can I monitor syslog and send notification based on events?

I'm going to be sending syslog from my one device/server to an Ubuntu server. On the Ubuntu server (receiving the syslog), I want it to trigger a script when specific syslog messages arrive. Is this ...
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1answer
150 views

What is syslog and how can i tackle problems with syslog

When i browsed through many linux forums, many Ubuntu geeks solve issue using 'syslog'. They analyze it, and post the answer. Can anyone give me an idea about it?
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1answer
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Why is there “seccomp” events related to Google Chrome in syslog?

Was in my syslog today and noticed that the Google Chrome web browser is create TONS of events that look like this: Dec 7 13:11:02 mycomp-sys76 kernel: [ 8371.604406] type=1701 ...
5
votes
1answer
549 views

Warnings in Syslog

Syslog displays these warnings and I would like to know how can I know what they mean in order to search what can I do about them. $ cat /var/log/syslog| grep -i 'warn' Nov 27 13:48:19 pc ...
2
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0answers
114 views

Which logs will tell me about the Touchpad and Keyboard locking up?

I have an Asus N53SM laptop that I leave running for several weeks at a time. I never put it in hibernate or suspend, I only close the lid when I'm not using it. After a few days or weeks of running, ...
7
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1answer
40k views

How do I configure rsyslog to send logs from a specific program to a remote syslog server?

I have a program which outputs to syslog with a given tag/program name. I'd like to be able to filter syslog traffic from that program and send it to a remote syslog server, leaving all other syslog ...
2
votes
1answer
277 views

Syslog/kernlog filling up with “did not claim interface N before use”

As I discovered when asking this question, it appears that demond_nscan is trying to use a device without claiming it. And it does it.... hundreds of time per second apparently. This makes kern.log ...
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3answers
6k views

How do I limit the size of my syslog?

I've got my mom's computer running Ubuntu 12.04 LTS. It's been working just fine but all of the sudden syslog has been filling up. And by filling up I mean I just deleted a /var/log/syslog that was ...
9
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2answers
8k views

What Graphical Logfile Analyzers are available?

does anybody know a good graphical logfile analyzer for (mainly) syslog messages from ubuntu? maybe one that converts the text-based messages in objects to sort/group/filter messages like windows' ...
0
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1answer
311 views

separate sysklogd remote log messages

after i've tried to understand how syslog is working in ubuntu i found out that the package that exist is sysklogd (syslogd & klogd combination). what I want to do is to get my router messages ...
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1answer
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Forward Mysql logs to Syslog-ng

Ubuntu 10.04 I have set MySQL to log slow queries and a general mysql log. How can I pipe those files in syslog to forward to centralized logging service (which is working)? Tried: source ...
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1answer
224 views

Do the logs such as messages and syslog begin after installation?

I would like to know if logs such as syslog and messages begin their first loggings during the installation of the OS, or once the OS has already been installed and the first normal boot-up?
0
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1answer
953 views

kern.log y syslog crecen demasiado / kern.log and syslog grow too much

Primero felicitaciones, y gracias, ubuntu 12.04, es, impresionante, e impecable. Ahora tengo esta pregunta, los archivos /var/log/kern.log y syslog crecen demasiado, mas de lo que he visto ...
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1answer
5k views

How To rotate syslog daily?

I want to rotate my syslog daily... How do I do this? How to check whether log rotate is working? How to make it run daily? By default, does Ubuntu Server run logrotate daily? Or do I have to set it ...
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1answer
573 views

Hardware logs storage?

I have a Ubuntu Server 11.10 installed. wanted to know where hardware related logs are stored & is there any configuration that needs to be done, for those logs to be activated? If possible ...
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2answers
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How do I configure Dropbox to log to syslog?

Dropbox is currently running well on Ubuntu server 10.04. How can I setup dropbox to log any sync in syslog or even separate log file?
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2answers
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How to cure regular syslog error?

I'm getting regular errors in my syslog (they're occurring exactly every 10 minutes, to the second): Feb 22 13:01:24 computer sm-mta[5747]: q1MBVO6B003778: SYSERR(root): hash map "Alias0": missing ...
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1answer
493 views

Log viewer cant open syslog after messing up groups

I was doing some VirtualBox stuff today and I had so add my user to vbox group, well I did it wrong and I removed myself from sudoers. I used the recovery console and fixed it with this command: ...
7
votes
1answer
16k views

How do I disable messages or logging from printing on the console/virtual terminals?

My wireless driver is noisy. It prints out messages to the console every 10-30 seconds. So, if I'm working on VT1 or something, I get messages scrolling by all the time. Is there a way to shut this ...
9
votes
3answers
24k views

Cron Job Not Running?

I have a crontab file that looks like this: * * * * * /home/abliskovs/update/update.sh However when I check the syslog for evidence that the job has run, there is nothing that might indicate that it ...
7
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1answer
1k views

How to correctly create a virtual file system?

A task in my homework assignment asks me to create a virtual file system, mount it, and perform some operations on it. I am supposed to create a file of 10 MB whose bits are all set to 0, format it ...
3
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1answer
219 views

How can I view a log of system use?

Is there a log or software application for interpreting, e.g. /var/log/syslog* so that I can get statistics on system use? I am interested in the frequency of use of a machine by different users; ...