syslog is a standard for logging messages about the operation of a system.

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824 views

Cisco Nexus syslog messages format?

I'm trying to normalize Syslog messages generated by a Cisco Nexus box. Problem: Messages have the following format: <189>: yyyy mm dd hh:mm:ss UTC: text This is not a standard Syslog message, no ...
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136 views

syslog log of TCP packet

Occasionally, I noticed a lot of following messsages in syslog Nov {datetime} hostname kernel: [8226528.586232] AIF:PRIV TCP packet: IN=eth0 OUT= MAC={mac} SRC={sourceip} DST={destinationip} LEN=60 ...
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1answer
779 views

Outbound Traffic Logging on ASA 5520 possible?

Taking a look at the ASDM (6.4) for my ASA 5520, I get a nice summary of the traffic status, with items like "interface traffic usage", and "connections per second". This works well, but only shows ...
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1answer
4k views

Cisco login on-failure using syslog doesn't show username on failure?

interesting issue I am running into. I am trying to get syslog rmeote logging working with a Cisco switch. i have it working and logging for both on-success and on-failure. However when it is a failed ...
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2answers
603 views

Collecting logs from multiple servers in a fault-tolerant way [closed]

the main requirement I have is to be able to view and do simple searches on logs combined from multiple machines. However, I would like the solution to have minimal impact on the rest of the (core) ...
2
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1answer
51 views

How to configure syslogd name/identifier?

I'm forwarding all syslog events to papertrailapp.com, and they are identified as sent by localhost. It's not convenient, since I have a few servers and all of them are localhost-s. How can I ...
3
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1answer
460 views

Reduce munin logging level

Munin is quite verbose, and logs a bunch of things into munin-graph.log, munin-html.log, munin-limits.log and munin-update.log at each run of munin-cron. I already reduced munin-node logging level by ...
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4answers
3k views

imuxsock messages in syslog and system becomes unresponsive

I am getting such messages in syslog. rsyslogd-2177: imuxsock lost 21869 messages from pid 3418 due to rate-limiting rsyslogd-2177: imuxsock begins to drop messages from pid 3427 due to rate-limiting ...
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0answers
114 views

XCP Project Kronos syslog error: “irq … : nobody cared” on Dom0 host

One of our production clusters driven by XCP suddenly went uresponsive. After restart and some investigation we found such logs in dom0 machine syslog: Oct 26 20:32:03 hetzner-2-mrx kernel: ...
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1answer
448 views

Monitor syslog (RFC 5426) on Windows Server 2008

I have setup in a Windows Server 2008 a syslog server using NXLog http://nxlog-ce.sourceforge.net/. I've configured some routers in the network to send syslog messages (RFC 5426) to the server (UDP ...
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1answer
441 views

Kernel Logging disabled?

uname -a Linux host 2.6.32-279.9.1.el6.i686 #1 SMP Tue Sep 25 20:26:47 UTC 2012 i686 i686 i386 GNU/Linux And start ups: ls /etc/init.d/ abrt-ccpp certmonger dovecot irqbalance ...
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2answers
2k views

Avoiding log noise from cron jobs - with syslog-ng rather than syslog

On my small Debian squeeze web server, I have syslog-ng installed (not syslogd, like in this question). Generally, my logs are nice and quiet, with -- MARK -- lines. My /var/log/syslog, however, ...
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1answer
634 views

CentOS - rsyslog and PHP - Log to remote, centralized server

I'm working on a project with a small number of servers which host a PHP application. Right now each server is currently logging php errors, locally, to /var/log/php/oops.log, but I would like ...
3
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2answers
253 views

Preferred method for allowing unprivileged UNIX/Linux users to view syslog information

I have some non-privileged "role accounts" that need the ability to view [some of] the local syslogs (eg. /var/log/messages) for debugging purposes. This is explicitly local log data, not remote ...
2
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1answer
224 views

Disk / system configuration for log collection / syslog server

I am looking into building a syslog / logging infrastructure and am pondering about some architecture best practices. Essentially, I see that a syslog system needs to support two conflicting ...
2
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1answer
1k views

Ubuntu syslog: After log rotation nothing is written on /var/log/syslog

I've been running a Ubuntu VPS for a few weeks now, so a couple of monthly log rotations took place yestarday. For things like /var/log/wtmp things look as expected: logfile has recent entries, while ...
2
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1answer
101 views

Why don't cfn-init logs get sent by rsyslog?

I just signed up for Papertrail to aggregate logs from some AWS instances I'm setting up with CloudFormation::Init. I've followed the instructions and added *.* @logs.papertrailapp.com to the end of ...
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2answers
2k views

Forward Windows Events Logs to Rsyslog

I would like to forward Windows Events Logs from all my desktop clients to a Linux box with rsyslog on. Rsyslog provide a Windows agent to do just that but its 40 euros per license and when you have ...
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1answer
240 views

Syslog produces hundreds of lines

I have recently been "promoted" to lab admin, as I have the most experience with linux. My logcheck keeps sending me emails with hundreds of lines stemming from my syslog file. It repeats itself over, ...
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1answer
318 views

Why isn't /var/log/maillog written with sync option by default?

Some syslog implementations on linux (sysklogd, rsyslog) include the following line in their default configuration: mail.* -/var/log/maillog As far as I know the dash sign means that it is not ...
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3answers
413 views

Ubuntu 10.04 syslog not logging to correct file

In a similar vein to Why is Syslog Not Writing Logs To The Designated Files? I'm having a few problems with syslog on Ubuntu 10.0.4 I have an app which I have set to facility local7. I added the ...
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1answer
94 views

Syslog-ng prepends <[0-9]+> to my messages

I'm writing some parsing logic for syslog-ng messages and am noticing that for many of the commands syslog-ng prepends a <[0-9]+> string to most of my messages. Here is an example from me ...
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1answer
2k views

/var/log/messages spammed with POLLERR messages

I've started seeing /var/log/messages growing in size indefinitely with these lines: Aug 1 12:47:27 linux-jblp syslog-ng[1947]: POLLERR occurred while idle; fd='16' Process 1947 is this: root ...
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756 views

Amavisd-new cannot start - missing Unix::Syslog (CentOS)

I followed the basic instructions here for installing amavisd, spamassassin + clamav... http://wiki.centos.org/HowTos/Amavisd I get the following error when trying to start amavisd... # service ...
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2answers
1k views

Squid logging to syslog-ng - program name has brackets

Using Ubuntu 10.04.4 LTS and Squid3 I want to log to syslog-ng Edited /etc/squid3/squid.conf and added the following line: access_log syslog squid Logs are being written but the program name ...
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1answer
9k views

rsyslog not logging messages

i'm attempting to set up my ec2 instance (running amazon linux which as i understand is built on RHEL 5) to forward log messages to loggentries.com but nothing is getting forwarded. as a sanity check ...
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3answers
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Deciphering continuing mpt2sas syslog messages

Summary I have been getting these cryptic messages in syslog since I installed some new hardware and I can't figure out what the problem is, if it's serious, or what to do about it. They're from the ...
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1answer
1k views

Configuring 'audit' facility in syslog-ng on solaris server?

This is a follow-up to this question. mghocke was kind enough to help me out with that question, but this is really a separate question, therefor a new post. I really don't know a lot about syslog, ...
2
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1answer
792 views

Moving from syslog.conf to syslogng.conf

I'm moving a Solaris box from syslogd to syslog-ng, because the Solaris version of syslogd obliterates the original source hostname on the logs. I'm looking through the syslogng.conf documentation, ...
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4answers
4k views

Does this log indicate the server reboooted?

I have a webserver I think rebooted at some point .. mostly because apache wasn't serving sites and it usually does that when someone starts it and doesn't enter the SSL cert's password ... and a ...
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2answers
210 views

Alternative solution to replace aging swatch

We are using swatch installation to sort through 3-5 gig worth of networking syslog and alert us on patterns , we are using splunk to index and search the data but splunk alerting capabilities are ...
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1answer
143 views

cisco syslog host dns

When I tell my Cisco router (IOS) to (config)# logging syslog.mydomain.com and then look at the config, the config contains the IP of syslog.mydomain.com, i.e. 1.2.3.4. Now the whole purpose of ...
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1answer
5k views

How to log to /var/log/messages on Debian Squeeze as normal user?

In Ubuntu I could do something like: sudo echo something | logger -t logstuff Then I would get well formatted message in syslog (/var/log/messages). On Debian Squeeze that isn't the case, the above ...
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1answer
79 views

Syslog message '^@' indicates server crash

The php-cgi's died on a vps I look after and the only syslog entry is this followed by me restarting the VM: ...
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1answer
340 views

How to process, transform and re-send 1000req/sec log entries from syslogd?

I currently have two machines that receive about 1000 HTTP req/sec both and generate a log entry on every request. This log is centralized on a syslog daemon running on a different machine. For ...
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1answer
380 views

Rsyslog Discarding Unwanted Messages

Once again, i found that Rsyslog is not as flexible as i expected... My application logs to LOCAL5.* ( depending on the severity ) I would like to see on my centralized log server only ...
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2answers
732 views

Why aren't Heroku syslog drains logging to rsyslogd?

I'm having a problem using syslog drains as described in https://devcenter.heroku.com/articles/logging. To summarize, I have an Ubuntu 10.04 instance on EC2 that is running rsyslogd. I've also set ...
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2answers
1k views

Postfix logs missing information on delivery status (postfix/smtp message)

I noticed a problem with postfix logs, that information on some of emails delivery status is missing. The issue affects about 1% of emails. "Healthy" log: <server># grep 8EB992EFBB44 ...
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1answer
1k views

HAProxy running in chroot jail is only logging started messages

I've configured my HAProxy server to run in a chroot jail logging messages to syslog socket. My problem is that the only messsages currently being logged are for when haproxy is starting up. May 26 ...
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1answer
2k views

syslog written on console

I have odd problem with syslog local7, my syslog configure the syslog to be written to local7.info /var/log/syslog_info it's working just fine for years but recent days one device syslog message ...
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1answer
2k views

Best Practices for rotating syslog logs on RHEL with different schedules?

OS: Running RHEL 5.6. Situation: I need to rotate /var/log/messagees on a different schedule than the rest of the syslog logs. By default syslog logs are rotated weekly based on the ...
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2answers
417 views

Can it be because of any Kernel Bugs?specifically spin lock

We are running ubuntu 11.04 with 2.6.38-13-generic kernel on Intel(R) Xeon(R) CPU E5620 @ 2.40GHz with 48 GB RAM dedicated server with Hardware RAID. top command output is showing many kernel ...
3
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2answers
2k views

Can a hostname be added to syslog-ng?

How can syslog-ng be configured to send both the hostname and the IP address. Currently, logs are sent with the IP address of the device/machine, but we want to add the hostname so I could keep my ip ...
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2answers
983 views

VMware: Is my SYSLOG Collector running?

I am trying to determine if my Syslog Collector I just set up in vCenter 5 is working correctly. According to this VMware KB article and this VMware blog article, everything seems to be up and ...
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2answers
5k views

Apache httpd: Send error logs to syslog and local disk? Without touching /etc/syslog.conf?

I have an Apache httpd 2.2 server. I want to log all messages using syslog, so that the requests are sent to our central syslog server. I also want to ensure that all log messages are sent to local ...
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2answers
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rsyslog: How do I direct messages from all remote machines to one file?

We have a syslog server and we have all our servers logging to it. We want a sort of "catch-all" drippan rule for all remote messages that we have not configured a rule for. Anyone know how to ...
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3answers
4k views

rsyslogd: Any way to get around the number of local facilities?

We have about 9-10 appliances we want to direct the logging to our rsyslog server for. However, there's only 8 local facilities (0-7). How can we get around this limitation?
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155 views

What is the “facility” of SnapGear SG560 System Log Syslog

My SnapGear (now McAfee) SG560 (firmware Version 4.0.10) has a "remote system log" feature, which can send syslog-type data to a host in my network. It's working, but writing to /var/log/messages. I'd ...
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1answer
2k views

How to maintain the log source host using logstash

I am following the steps in this blog to set up rsyslog + logstash + graylog2 and I can't figure out how to replace the @source_host attribute in logstash using the mutate -> replace filter. In the ...
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1answer
1k views

syslog writing to general instead of specific file

I'm running Ubuntu and Postgresql 9. I've enabled postgresql to log to syslog, and added the following directive to the config file: syslog_facility = 'local0'". I've tried to configure syslog ...