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

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76
votes
16answers
58k views

Alternatives to Splunk?

I'm pretty impressed with Splunk, especially version 4. Pretty graphs, alerting (Enterprise only), and fast, accurate, searching. It's a great product. However, the cost just way too high to consider ...
13
votes
2answers
2k views

Weird syslog order

Have you ever seen wrong order in /var/log/syslog ? I think that it causes only crontab. Jun 28 22:20:01 alex CRON[2327]: (root) CMD (something > /dev/null) Jun 28 22:21:01 alex CRON[2700]: (root) ...
5
votes
4answers
3k views

Logging atd messages via syslog

I am running CentOS 5.3 and would like to log all messages from the "at" daemon. My syslog.conf contains the following entry: cron.* /var/log/cron I assumed that cron line in syslog refers to the ...
21
votes
2answers
15k views

Better logging for cronjobs? Send cron output to syslog?

I am looking for a better way to log cronjobs. Most cronjobs tend to spam email or the console, get ignored, or create yet another logfile. In this case, I have a Nagios NSCA script which sends data ...
14
votes
7answers
10k views

How would you send syslog *securely* over the public Internet?

So I've got a few servers which I'd like to log centrally but obviously I don't want to pass the data insecurely over the internet. I've tried syslog-ng but can't make it work in a secure way, a ...
19
votes
5answers
20k views

How can I prevent cron from filling up my syslog?

I have a script which needs to be executed each minute. The problem is that cron is logging to /var/log/syslog each time it executes. I end up seeing something like this repeated over and over in /...
7
votes
2answers
10k views

how to filter rsyslog messages by tags

I have several applications and scripts that I want to redirect the output to custom files. I launch those applications using command | logger -t TAG I would like to filter these messages based ...
20
votes
4answers
14k views

Linux: logwatch(8) is too noisy. How can I control the noise level?

Our Linux systems run logwatch(8) utility by default. On a RedHat/CentOS/SL system, Logwatch is called by the /etc/cron.daily/ cronjob, which then sends a daily email with the results. These emails ...
11
votes
3answers
9k views

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 ...
10
votes
3answers
33k views

Sending audit logs to SYSLOG server

I'm running several RHEL based systems which utilize the audit functionality within the 2.6 kernel to track user activity and I need to have these logs sent to centralized SYSLOG servers for ...
3
votes
3answers
5k views

Software to send windows notification eventlogs to linux syslog server and encode to utf8

I am trying to setup a windows 2008 server so it's able to send the eventlog messages to an syslog-ng server running linux. I'd prefer something native but I guess it won't be possible. UPDATE The ...
3
votes
3answers
3k views

FQDNs during migration from syslogd to syslog-ng

I'm migrating from syslogd to syslog-ng on SLES 9 server (syslog-ng at stock version 1.6.8). The server happens to be a loghost for some remote loggers. How do I configure syslog-ng to assure maximum ...
3
votes
3answers
1k views

Forward UNIX syslog to Windows Event viewer

I'm running a pfSense firewall which runs syslog and can forward it's logs to a remote syslog server. I'd like to be able to view these on my SBS 2011 server's event viewer, via a subscription. I ...
2
votes
3answers
4k views

(How) can I use syslog to diagnose mysterious crashes?

I run a LAMP stack on Ubuntu server. Twice today it has ground to a halt and required a hard reboot. Prior to this it had been stable for many months. It has been about a fortnight since the last ...
4
votes
5answers
4k views

Script to delete files older than 30days

Shell script should not delete any files under* root dir*. My* path will be like /export/home/ftp/ ... I did some research and figured out the way for finding and deleting the files older than 30 ...
4
votes
1answer
692 views

Random SSH entries in Auth.log out of date order [duplicate]

Running an Ubuntu Trusty 14.04.1 LTS server at Rackspace but recently after running updates for bash, then with the reboots for the xen host vulnerability, I have the following weird issue. Some ...
46
votes
2answers
92k views

Splunk is fantastically expensive: What are the alternatives? [duplicate]

Possible Duplicate: Alternatives to Splunk? This has been discussed, but it has been several months, so it may be time to revisit it: Earlier discussion RE Splunk alternatives For the record,...
21
votes
5answers
38k views

Switch on PAM debugging to Syslog

I hate PAM since it came up. How do I switch on PAM debugging in Debian Squeeze at the admin level? I have checked every resource I was able to find. Google, manpages, whatever. The only thing I ...
11
votes
6answers
16k views

Good syslog server for Windows [closed]

I've been trying to find a "good" syslog server to provide centralized application login for a distributed system we've built. Our application logging system can not only log to files but also to a ...
11
votes
4answers
6k views

How can I make syslogd email certain log messages to me?

I'd like to be able to get an email notification whenever syslogd logs something of, say err priority or higher. Assume this is a BSD compatible syslog daemon. Can this be accomplished? Should I ...
6
votes
2answers
3k views

How does an administrator generalize alerting when an event doesn't happen?

Often my users require me to be just as responsible for knowing if an event hasn't happened. I've always had to build custom and brittle solutions with cron'ed shell scripts and lots of date edge ...
11
votes
6answers
12k views

Open source tomcat log viewer

I'm managing several tomcat instances (aprox 30-35) and looking for some console to centralize the logs. I tried php-syslog-ng before (no with tomcat), and found it useful. I would like that these ...
11
votes
4answers
14k views

How to allow non-root user to listen on privileged port?

I want syslog to run as a non-root user on my linux box. That makes it impossible for it to bind to port 514 - because that's a privileged port. Is there any way I can grant non-admin user "foo" the ...
8
votes
4answers
18k views

Is there a way to remove “Last message repeated x times” from logs?

I have a script that updates me on any changes to the kernel log on my (Debian) servers. The problem is that occasionally the log contains lines like: last message repeated 4 times I realize that ...
7
votes
2answers
6k views

Add a local application to syslog excluded from /var/log/messages

I have an application which logs to syslog facility local1. I would like to configure syslog to send all local1 messages to a log file separate from /var/log/messages -- that turned out to be easy. ...
6
votes
3answers
15k views

Is there a way to filter syslog entries?

I have a cluster of Linux servers that are fronted by a load-balancer, which probes each server every 5 seconds to determine if it's operational. These probes generate a lot of useless noise in the ...
1
vote
2answers
261 views

Stop crontab from filling syslog Ubuntu 15.04

How can I prevent (certain cronjobs) from filling my syslog in Ubuntu 15.04? I have some jobs that run 4 times a minute and quickly fill up my syslog files. I've tried adding: cron.* ...
14
votes
2answers
8k views

No more logging after upgrade to Debian Wheezy

Syslog, auth.log, kern.log and messages log files are not updated anymore after upgrading to Debian Wheezy (Debian Squeeze was previously running). How could I fix it?
2
votes
1answer
3k views

Send Apache Access Logs to syslog

We have IBM HTTP Servers (Based on Apache 2.0) and want to send the access logs to syslog. (in addition to error logs which does work) The config we are using is as follows: ErrorLog "|/HTTPServer/...
2
votes
1answer
1k 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, ...
1
vote
1answer
2k views

Apache2 forward logs to rsyslog AND locally

Right now I'm storing apache2 logs locally: ErrorLog /var/log/apache2/one.error.log CustomLog /var/log/apache2/one.access.log common How can I keep storing the logs locally but also forward ...
1
vote
3answers
9k views

Syslog not logging anything; /var/log/syslog is empty

Recently sendmail stopped accepting messages for delivery on my Solaris 10 x86 machine. I am trying to diagnose the problem but syslog doesn't seem to be working either. My /etc/syslog.conf: #ident "...
5
votes
2answers
12k views

Why is Syslog Not Writing Logs To The Designated Files?

I've been trying to route Apache's logs through Syslog (for some reason log rotation had stopped, and using Syslog and logrotate seemed a reasonable solution). I have sent Apache's error logs to ...
2
votes
1answer
1k views

snort not logging full output to syslog

I am able to send snort alerts to my remote syslog server but I am not able to see full alert message; I only see basic information like title, source and destination IP. I am specifically interested ...
1
vote
5answers
877 views

log rotation tool that keeps only a specified amount of logs and discards everything else

I'm looking for a cronolog-like tool that will keep only last n lines or last x minutes of logs piped to it and discard everything else Is there such a beast? UPDATE: I know about logrotate and it ...
1
vote
1answer
2k views

kibana: no indices error

None of the existing answers helped, so here a new question. Usecase: Redirecting syslog (or) monitoring static file. I have successfully installed logstash (1.4.2), elasticsearch(1.1.1) and kibana(...
0
votes
1answer
2k 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, ...
0
votes
3answers
7k views

Splunk How do I get syslog to send data into splunk from remote machines

If I install the splunk forwarder, I can get the remote data into my splunk install, and index my logs, and searching is great. But I have a number of router devices and other devices that run syslog, ...
0
votes
1answer
7k views

How does one enable remote listening with rsyslog?

I'm configuring a Debian Squeeze server to receive syslog from some appliances, but rsyslog is refusing to listen to UDP 514. The closest I have been able to get from it is to make it listen to TCP ...
0
votes
1answer
2k views

Syslog-ng how to get domain names instead of IP address

How can syslog-ng get the domain names instead of IP address that I received? I'm able to get those information but in IP address, I would like to get the DST/HOST to domain names instead of getting ...
0
votes
1answer
504 views

(rsyslog) Forwarding a specific log only

I've been trying to configure rsyslog to forward /var/log/syslog to a remote server. I was able to do this using the below configuration. $InputFileName /var/log/secure $InputFileTag hostname-secure $...
0
votes
2answers
214 views

Determine which programs are logging to a specific syslog facility

Is there any way to determine which daemons are logging to a specific syslog facility? (spec. rsyslog) What I am specifically looking for is who logs to the auth.* severities. A 2001 audit for ...
0
votes
1answer
248 views

Nginx reverse proxy to server with login not working as expected

I have two servers behind an nginx reverse proxy. I am being forwarded correctly to the sites, but one of the sites has a login before it allows you into the site (similar to sharepoint), and the ...