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Andreas Paul xorpaul

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@xorpaul
xorpaul / open-adressing.py
Created September 14, 2012 20:56
python dict open adressing hashtable
import sys
class HashTable:
def __init__(self):
self.fill = 8 # Active + # Dummy
self.list = [0] * self.fill
self.used = 0 # Active
def __getitem__(self, slot):
return self.list[slot]
def insert(self, slot, key):
@xorpaul
xorpaul / mate-keybinding-properties-catchsegv.txt
Created June 12, 2013 19:06
strace and catchsegv output of mate-keybinding-properties SEGV Linux Mint 15
*** Segmentation fault
Register dump:
EAX: 6e616863 EBX: b6f34000 ECX: 00000000 EDX: 08fe0628
ESI: bf9aa210 EDI: 08fa1540 EBP: bf9aa140 ESP: bf9aa09c
EIP: b6daa188 EFLAGS: 00210206
CS: 0073 DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
@xorpaul
xorpaul / puppet state.yaml
Last active December 21, 2015 12:19
puppet client state.yaml
# puppetd -t
err: Checksumfile /var/lib/puppet/state/state.yaml is corrupt (syntax error on line 41, col 12: ` !binary ? "RmlsZVsvdmFyL2xpYi9wdXBwZXQvY29uY2F0L19ldGNfbW90ZC9mcmFnbWVu\ndHMvOTk1X21vdGRfZnJhZ21lbnRfG1swMW1TeXN0ZW0tRG9rdSA6ICAbWzBt\naHR0cDpfX3dpa2kuaW50cmFuZXQuMWFuZDEuY29tX2Jpbl92aWV3X0lUQ0Ff\nU2VydmVyQnNwcHRkZXZfXQ==\n"'); replacing
irb(main):002:0> YAML.load(::File.read('/var/lib/puppet/state/state.yaml'))
ArgumentError: syntax error on line 41, col 12: ` !binary ? "RmlsZVsvdmFyL2xpYi9wdXBwZXQvY29uY2F0L19ldGNfbW90ZC9mcmFnbWVu\ndHMvOTk1X21vdGRfZnJhZ21lbnRfG1swMW1TeXN0ZW0tRG9rdSA6ICAbWzBt\naHR0cDpfX3dpa2kuaW50cmFuZXQuMWFuZDEuY29tX2Jpbl92aWV3X0lUQ0Ff\nU2VydmVyQnNwcHRkZXZfXQ==\n"'
from /usr/lib/ruby/1.8/yaml.rb:133:in `load'
from /usr/lib/ruby/1.8/yaml.rb:133:in `load'
from (irb):2
@xorpaul
xorpaul / gist:6342813
Created August 26, 2013 15:35
logstash debug
<14>Aug 26 15:09:38 foobarmw02 foobar-middleware[17051]: security - [pid=17051,port=3000,mem=375520] > mis requested /services
/55192027 [no trace]
I want to extract security as a custom field
grok {
type => "syslog"
pattern => "%{SYSLOGBASE2} %{WORD:logcategory} - %{GREEDYDATA:message}"
}
@xorpaul
xorpaul / foreman init db
Created September 9, 2013 09:15
foreman init db missing puppet gem
/usr/share/foreman# su - foreman -s /bin/bash -c /usr/share/foreman/extras/dbmigrate
rake aborted!
cannot load such file -- puppet
Tasks: TOP => db:migrate => environment
(See full trace by running task with --trace)
/usr/share/foreman# RAILS_ENV=production bundle exec rake db:migrate
rake aborted!
cannot load such file -- puppet
@xorpaul
xorpaul / foreman deb packages
Created September 9, 2013 10:04
error configuring foreman Debian package
Setting up foreman (1.2.2+debian1) ...
dpkg: error processing foreman (--configure):
subprocess installed post-installation script returned error exit status 7
dpkg: dependency problems prevent configuration of foreman-assets:
foreman-assets depends on foreman; however:
Package foreman is not configured yet.
dpkg: error processing foreman-assets (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of foreman-compute:
@xorpaul
xorpaul / logstash121error.md
Last active December 22, 2015 15:59
logstash 1.2.1 grok parse failure 
# java -jar /data/logstash/logstash-1.2.1-flatjar.jar agent -f /etc/logstash/agent/config/rsyslogs2redis-shipper.conf                                                    
Using milestone 1 input plugin 'syslog'. This plugin should work, but would benefit from use by folks like you. Please let us know if you find bugs or have suggestions on how to improve this plugin. 
 For more information on plugin milestones, see http://logstash.net/docs/1.2.1/plugin-milestones {:level=>:warn}
Using milestone 2 output plugin 'redis'. This plugin should be stable, but if you see strange behavior, please let us know! For more information on plugin milestones, see http://logstash.net/docs/1.2
.1/plugin-milestones {:level=>:warn}
Grok regexp threw exception {:exception=>"invalid byte sequence in UTF-8", :field=>"message", :grok_pile=>#<Grok::Pile:0x1077a833 @patterns={"NETSCREENSESSIONLOG"=>
[...]
92, 48, 48, 52, 124, 200, 62, 62, 32, 40, 115, 104, 111, 114, 116, 101, 110, 101, 100, 41, 32, 91, 110, 111, 32, 116, 114, 97, 99
@xorpaul
xorpaul / dak_import
Created September 10, 2013 13:00
dak Debian package import error message: missing "source_suites"
dak@server:/srv/dak/queue/unchecked$ dak import foobar main cassandra_1.2.8_all.deb
Traceback (most recent call last):
File "/usr/local/bin/dak", line 239, in <module>
main()
File "/usr/local/bin/dak", line 219, in main
module.main()
File "/tmp/dak/dak/import.py", line 235, in main
add_overrides=add_overrides)
File "/tmp/dak/dak/import.py", line 112, in import_file
fingerprint=fingerprint, add_overrides=add_overrides)
@xorpaul
xorpaul / logstash_conditional_logosource.md
Last active December 23, 2015 08:39
logstash conditional on logsource

Logstash 1.2.1 config

Should add the log events to different elasticsearch indices based on the logsource field

output {
  if [fields][logsource] =~ /^foobar/ {
    # only server foobar01 and foobar1338
    elasticsearch {
 host =&gt; "&lt;%= elasticsearch_host %&gt;"
@xorpaul
xorpaul / KibanaUserAuth.md
Created September 20, 2013 14:50
First try to enable user authentication for different Elasticsearch indices

You need to point the kibana config.js to this vHost with the correct port! In this case

$ grep elas config.js
elasticsearch: "http://elasticsearch",

Then have ES only listen on localhost, so that everyone need to go though this Host: