A log file is a file, often in clear text, which is generated by a software process to record some specific details about the workings of this process.

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100 views

Sendmail's maillog polluted by dkim-filter

I just added domain keys to my sendmail configuration and everything appears to be working. However, upon reviewing the maillog I get a ton of these when an email gets sent or received: Oct 4 ...
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1answer
142 views

Why do I get Postfix entries in Apache logs?

I have setup separated error logs for Apache virtualhosts. when I checked some logs lately, I found entries of other unrelated programs in virtualhost logs. for example I get entries like this in ...
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3answers
158 views

What consequences to take from what i read in logfiles?

Since some weeks i manage my first Webserver, a Seaside application behind an Apache proxy on Linode, and i installed logwatch to send me daily logs. Where can i get information on when i have to act ...
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1answer
137 views

Measuring custom statistics with sar

I have a server application which I think is leaking file handles. I want to track the usage of file descriptors over time on my Linux (ubuntu) server. I've figured out that I can track the number ...
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1answer
434 views

logrotate deletes all maillogs older than one day

I see only two files maillog and maillog.1 in /var/log. grepping for maillog in logrotate.d directory gives three files that have a mention of maillog. syslog /var/log/messages /var/log/secure ...
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1answer
204 views

Exchange 2010 SP2 log files taking up space

I administrate an Exchange server for a customer, and now the (transaction?) logs are taking up massive amounts of space. Are they safe to delete? The logs are taking ~70GB of space, while the ...
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1answer
157 views

Group Policy for allowing non-admin users security log rotation

We recently turned on auditing in a GPO, and when non-admin level users login, an error about the "Security Log is Full" is presented. To work around it for now, I had to add the AD user to as a ...
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1answer
446 views

Why is FunWebProducts flooding my server?

I have received 47 000 hits in the past couple of hours from a single domain. I researched FunWebProducts but it seems to be some kind of a plugin, not sure how this is possible? 89.70.25.120 - - ...
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2answers
60 views

Ubuntu split Apache2 log files

I rencently updated the config of my server to relocate the /var/www and /var/log in the /home folder, i also updated all my virtuals hosts to write the logs in the new /home/log folder. But now the ...
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1answer
413 views

Rotate other logs with rotatelogs.exe

On my machine there is some process which is writing a log in C:\Application.log. Now I want to rotate the logs file without stopping that application. On the same machine I have apache 2.2. As I know ...
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1answer
58 views

Apache2 decides to ignore the ErrorLog location. How to fix?

My apache2.conf file contains the lines ErrorLog /var/www/logs/error_log and CustomLog /var/www/logs/access_log common. I only get server shutdown/restart notifications there, however. All other logs ...
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1answer
202 views

IIS W3C Log files missing header

I've just gotten around to analyzing our log files. After banging my head with log parser and several other 'analyzer' tools I came to realize that my log files appear to be missing their header ...
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1answer
679 views

Compress logs rotated with cronolog

I have a bunch of servers(Centos 5.x) with Apache that have their logs rotated with cronolog. What is the best strategy for compressing and deleting those logs automatically after a certain time? ...
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2answers
363 views

How to get less to seek faster with large log files?

I am often dealing with incredibly large log files (>3 GB). I've noticed the performance of less is terrible with these files. Often I want to jump do the middle of the file, but when I tell less to ...
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3answers
878 views

nginx: log empty calls

Does nginx have an option to ignore health checks or buckets from load balancer against nodes? There are thousands of entries like 93.190.2.176 - - [24/Jul/2012:08:56:59 +0200] "-" 400 0 "-" ...
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1answer
1k views

SQL Server Maintenance Plan: Rebuild Indexes and Transaction Log Backup File Size

In my nightly maintenance plan, I was doing everything - reorganising and rebuilding indexes, updating statistics, etc. There's an hourly maintenance plan that does a transaction log backup. I ...
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0answers
65 views

Can Apache logs capture SSI

I'm a web developer so I have some knowledge of how Apache works. I'm working with a MASSIVE website at the moment (1.6 million files) 90% of which are called through virtual includes, cgi-bin, PHP, ...
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1answer
64 views

Trying to colate click fraud evidence [closed]

We've recently had some very heavy and unexpected Google adwords spikes recently, so I'm trying to work through the server logs to find out if we've been subject to click fraud. What I don't know is ...
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1answer
53 views

Safe to delete .lastcomm

I have a .lastcomm file that is >2GB is it safe to delete it? It's taking up a lot of room on the server and I can't find any documentation online related to it's log file.
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2answers
469 views

Apache's access.log files taking up too much space

So I switched all my sites over to Amazon's EC2 service a few months ago and I noticed today that my drive capacity is at >90%. Did a little digging and it seems that the majority of that is being ...
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1answer
172 views

Plesk adding logs folder as part of virtual host skeleton

Is there a way of adding a logs folder as part of default Plesk skeleton? I would like to include error logging into a file in the vhost directory as a part of vhost.conf in /var/www/vhosts/.skel/0 ...
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2answers
740 views

SWATCH - what am I doing wrong?

What I want/need/desire is to log when a user logs into my FTP server. Problem: I can't make swatch work the way I should be able to. This data is logged to a file - but of course these logs are not ...
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1answer
28 views

SQL Server plus small files

I have a MSSQL server, 3 volumes, that runs some processes that seem to take way too long. One of these processes reads in a zip file, then writes to a database based on what's in the zip file.... for ...
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1answer
270 views

strange Postfix logwatch log summary on my ubuntu vps [closed]

Hi I would be very thankful if someone could help me on explaining this logwatch summary of my postfix installation on my ubuntu 10.04 vps. I dont really know if this might be a normal log file ...
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1answer
138 views

Prevent Apache2 from logging robots and image requests

I run a high-traffic site and I need to reign in my Apache2 access logs a bit. One way to do this, I've read, is to limit the types of things Apache2 logs. The obvious choice would be, to limit 3 ...
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1answer
438 views

Syntax for piping varnish logs to rotatelogs

Ubuntu 12.04 Server x64, Varnish 3.0.2 I'm trying to pipe varnishncsa's logs through Apache's rotatelogs, and running from the shell, things work fine: sudo varnishncsa -a -P ...
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1answer
135 views

.log parser (MySQL / Apache) [closed]

Is there any tool (GUI) to parse MySQL och Apache log files? to a more readable format? Have Googled a lot, can't find anything to answer my need. Appreciate your help.
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1answer
235 views

Which log file holds the errors that appear on the server's physical console on CentOS?

On a CentOS 6 Server, sometimes messages (errors, warnings) appear on top of the login prompt on the monitor physically attached to the server. I can't seem to find a log file (/var/log/?) that these ...
2
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2answers
166 views

How can I trace a traffic and IO spike every morning on my webserver?

Every morning (for about 2 weeks now), around 6:30 am, I get a large IO and incoming-traffic spike on my webserver. It didn't happen until a few days after I released my site. As I'm still a bit of a ...
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4answers
1k views

Is this server hacked or just login attempts ? See log

Can someone tell what does this mean? I tried a command like lastb to see last user logins and I see some strange logins from China (server is EU, I am in EU). I was wondering if these could be login ...
1
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1answer
192 views

Intermittent FTP login issues (Microsoft IIS FTP Service)

I've got a somewhat weird problem which I'm not sure how to troubleshoot. We have a FTP running on a Windows Server 2003 machine using the IIS FTP Service, this is for our clients and is configured ...
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0answers
84 views

How can I get apache to stop logging header errors?

I may have this set up in a weird/bad way, but the idea I'm going for is to take wildcard subdomains and seamlessly convert them to a different URL behind the scenes that my app understands. My ...
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3answers
1k views

Failed Request Tracing XML fails to display in Internet Explorer (IIS 7.5)

I have installed the Tracing feature and enabled failed request tracing for a website, to debug a Classic ASP website. The XML logs are created upon occurring errors, however when I open them in IE, ...
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1answer
9k views

How to forward specific log file outside of /var/log with rsyslog to remote server?

How can I forward message from a specific log file like /www/myapp/log/test.log with rsyslog client to remote rsyslog server? This log file is outside of the directory /var/log.
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0answers
138 views

IIS 6 Incorrect Log Timestamp

On of our web servers is logging the time incorrectly. We are running IIS 6 on Server 2003 SP2. As of April 2012, all of the entries in the web log are dated 2013-01-18 21:15:15. Has anyone seen this ...
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0answers
185 views

Apache - Bogus marker and Bogus Huffman table definition entries in error_log

How can one identify the full path (or the URL) of images producing Bogus Huffman table definition Bogus marker length entries in the /var/log/httpd/error_log? Can Apache be configured to be more ...
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2answers
79 views

Maintaining SQL Log Files

I get an email today stating that we have a log file that's grown to 278GB, and asking if anyone is maintaining it. I already know the answer to that is no because we don't have a dba (other than ...
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3answers
717 views

Is blocking unresolved IP addresses a good idea?

I have a Website where : We currently have a lot of bots trying to grab our content (it's a business directory) from China, Ukraine, etc... 5% of IP addresses are "unresolved", according to ...
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1answer
4k views

manually rotating logfile with rsyslogd

I want to force logfile rotation using logrotate -f /var/log/syslog, but it's only return tones of: error: syslog:1 unknown option 'May' -- ignoring line error: syslog:1 unexpected text I know that ...
3
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3answers
2k views

How to Enable IPtables TRACE Target on Debian Squeeze (6)

I am trying to use the TRACE target of IPtables but I can't seem to get any trace information logged. I want to use what is described here: Debugger for Iptables. From the iptables man for TRACE: ...
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2answers
305 views

Sonicwall Email Security Audit Logs

I have a Sonicwall Email Security appliance from which I would like to extract the audit logs on a daily basis. Currently, I can only see how to get them manually by going to the web interface. Is ...
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2answers
1k views

kern.log bandwidth and syslog filling up with bandwidth lines

I'm using Ubuntu 11.04 and my kern.log, bandwidth, and syslog files are filling(And completely consuming my hard drive) with this stuff Apr 18 20:20:23 main kernel: [1886527.503932] BANDWIDTH_OUT:IN= ...
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2answers
710 views

Grep to find lines starting at pattern A until pattern B is matched

I have a log that contains bits like this: [2012-04-16 15:16:43,827: DEBUG/PoolWorker-2] {'feed': {}, 'bozo': 1, 'bozo_exception': URLError(error(110, 'Connection timed out'),), 'entries': []} ...
2
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1answer
3k views

logfile deleted on Oracle database how to re-create it?

For my database assignment we were looking into 'database corruption' and I was asked to delete the second redo log file which I have done with the command: rm log02a.rdo this was in the ...
1
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1answer
150 views

Tool to extract all requests being served at a point in time?

We are using Apache using the following log file format: %h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\" %D Now we want to check which requests were being served by Apache at a ...
2
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1answer
782 views

Sendmail: what does nrcpts=0 mean?

Im attempting to parse some sendmail logs. Im running into lots of apparent emails that have no recipients - or so it would appear. Mar 18 19:12:35 castor sendmail[543]: q2J2CYIv000543: ...
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2answers
2k views

how to view log files for printing made by different users on LAN

I have a windows 2003 server and have attached a printer to this server. This printer is installed on the server and shared to all computers on the local area network. I want to check to see which ...
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2answers
92 views

Is this a normal web crawler or something else?

I am running a little apache2 webserver for a department at my university, and I noticed the access logs are filled with messages like the following: "GET ...
4
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1answer
479 views

Insert MIME type of an URL into Apache's access_log

I would like to enhance my logfile with an additional field containing the mime type. E.G. 127.0.0.1 - - [01/Mar/2012:20:49:36 +0100] "GET / HTTP/1.1" 200 255 [...] "text/html" 127.0.0.1 - - ...
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0answers
863 views

ntop crashes at random times, how can I trace the cause?

I've recently installed ntop v3.3 on a Debian/Lenny server, which runs as a daemon with the web interface enabled. However, it randomly crashes and logs don't report anything... I've tried the ...