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Questions tagged [logging]

Recording activity on the system (or of a particular program) for later reporting and analysis. Logins, logouts, web server page requests, etc might all be logged.

2851 questions
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In tail -f, how do I filter out stuff that has certain keywords?

I want to tail -f my logs. However, I want to filter out everything that has the words: "ELB", "Pingdom", "Health"
Alex
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6 answers

Reduce SNMPd logging verbosity

SNMPd on my CentOS systems is sending log messages to syslog every time it receives a query from my monitoring tools. Is there a way to lower the verbosity of SNMPd? It adds a lot of clutter to the logs. Sep 12 13:05:40 myhost snmpd[7073]: Received…
wjimenez5271
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Delete all of /var/log?

Can I delete everything in /var/log? Or should I only delete files (recursively) in /var/log but leave folders? Does anyone have a good rm command line? (My admin skills leave me nervous.) Note: I am using Debian. I am not sure what version.
user274
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6 answers

How to enable MySQL logging?

I am running MySQL 5.0.45 on OS X 10.6.1 and I cannot get MySQL to log anything. I am debugging an application and need to see all queries and errors. I added to the etc/my.cnf: [mysqld] bind-address = 127.0.0.1 log = /var/log/mysqld.log log-error =…
ryonlife
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2 answers

Get notification from supervisord when a job exits

Is there any way supervisord can automatically restart a failed/exited/terminated job and send me a notification email with a dump of the last x lines of log file?
Sebastian Hoitz
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1 answer

Nginx log entries to multiple files

I'd like to log the same access.log entries to separate files, so when a request comes in it should populate a.log and b.log. Is there any way to do this with nginx?
Zoltan Zaikosz
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34
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9 answers

Clearing/Deleting Docker Logs

On our docker implementation on GCE, we are running out of space on the root file system. Since images themselves are stored on a separate 1TB volume, the images themselves shouldn't be the problem. One candidate are the centralized logfiles that…
mgmonteleone
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How to get php-fpm to log to stdout / stderr when running in a docker container

I have php-fpm in a docker container and in the Dockerfile I edit the fpm config file (/etc/php5/fpm/pool.d/www.conf) to set up access logs to go to /var/log/fpm-access.log and error logs to go to /var/log/fpm-php.www.log: # Do some php-fpm config #…
Tom
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2 answers

What is the SHA256 that comes on the sshd entry in auth.log?

When logging in via ssh, it can be seen the following on auth.log: Dec 14 16:29:30 app sshd[22781]: Accepted publickey for dev from XXX.XXX.XX.XXX port XXXXX ssh2: RSA SHA256:pO8i... I've been trying to figure out what is this SHA256 information,…
Márcio Jales
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1 answer

How can I let nginx log the used SSL/TLS protocol and ciphersuite?

My goal is to ensure proper security for clients connecting to my nginx. I'm following Mozilla's guide to configure TLS properly on my nginx installation, but I don't have an overview of the actual protocols/ciphersuites being used in practice. What…
gertvdijk
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3 answers

Is it possible to get OpenSSH to log the public key that was used in authentication?

I have a production system where several different people are allowed to log in to a single account - the account is for the application and not for the person as we don't have personal accounts on production servers. For auditing purposes I want to…
Guss
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2 answers

How do you disable SMB printing support?

I'm running CentOS on a storage server that has to do file sharing for with Windows machines. SMB version is smbd version 3.5.5-68.fc13 I'm getting a lot of error messages in /var/log/messages regarding failed attempts to connect to a CUPS server.…
evilpenguin
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4 answers

How to find error messages from Linux init.d/rc.d scripts?

In Linux, I've written some scripts to be executed during boot and played around with the various ways of installing them. For larger scripts I'll put in /etc/init.d and link the appropriate /etc/rc.d/rc?.d runlevels. For smaller scripts, I'll…
McKAMEY
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6 answers

Log MySQL login attempts

From time to time there are failed login attempts in our MySQL production server (MySQL dashboard alerts us). Is there a way to log every single success and failed login to the MySQL server without enabling general_log? We think general_log is not…
CarlosH
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2 answers

Who restarted my Windows server?

Is it possible on Windows Server 2000/2003/2008 machines to see which user rebooted the server? I have found the shutdown event in the System event log, but it does not show which user initiated the reboot.
joar
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