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 BEGIN promise 'promise_cf_served_cf_66' of type "access" (pass 0)
 rudder  verbose: P:    Promiser/affected object: '/var/rudder/shared-files/4b081f1c-0d8f-4'
 rudder  verbose: P:    Part of bundle: access_rules
 rudder  verbose: P:    Base context class: any
 rudder  verbose: P:    Stack path: /default/access_rules/access/'/var/rudder/shared-files/4b081f1c-0d8f-4198-8616-cbedba9e89d1/'[1]
 rudder     info: Failed to canonicalise filename '/var/rudder/shared-files/4b081f1c-0d8f-4198-8616-cbedba9e89d1/' (realpath: No such file or directory)
 rudder     info: Path does not exist, it's added as-is in access rules: /var/rudder/shared-files/4b081f1c-0d8f-4198-8616-cbedba9e89d1/
 rudder     info: WARNING: this means that (not) having a trailing slash defines if it's (not) a directory!
 rudder  verbose: P: .........................................................
 rudder  verbose: P: BEGIN promise 'promise_cf_served_cf_71' of type "access" (pass 0)

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rudder     info: Can't stat file '/var/rudder/share/6149530e-db36-49d3-81da-ed3c450ce692/rules/cfengine-community/rudder_promises_generated' on '10.222.111.37' in files.copy_from promise
rudder     info: Automatically promoting context scope for 'rudder_promises_generated_tmp_file_error' to namespace visibility, due to persistence
rudder     info: Automatically promoting context scope for 'rudder_tools_updated_kept' to namespace visibility, due to persistence
rudder     info: Automatically promoting context scope for 'rudder_tools_updated_kept' to namespace visibility, due to persistence
R: *********************************************************************************
* rudder-agent could not get an updated configuration from the policy server.   *
* This can be caused by:                                                        *
*   * an incorrect DNS resolution of this node                                  *
*   * an agent key that has been changed                                        *
*   * if this no

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#!/bin/bash
mysqld start
sleep 10
mysql -u foo -e "create database bar"

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select field, sum(field) from (subquery);
-- example
-- field | sum(field)
-- 1     | 11
-- 5     | 11
-- 4     | 11
-- 1     | 11

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import java.lang.Math; // headers MUST be above the first class
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
// one class needs to have a main() method
public class HelloWorld
{
  // arguments are passed using the text field below this editor
  public static void main(String[] args)
  {

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#!/bin/bash

# What is wrong with this code?
# 
#./test.sh -i foo
# output: "has value foo" , as expected
#
#./test.sh -i
# output: nothing , expected "don't have a value"
#

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irb(main):001:0> require 'net/fping'
=> true
irb(main):002:0> Net::Fping::latency("192.168.70.6", "68", "6", "1000")
Errno::ENOENT: No such file or directory - fping
        from /usr/lib/ruby/2.3.0/open3.rb:199:in `spawn'
        from /usr/lib/ruby/2.3.0/open3.rb:199:in `popen_run'
        from /usr/lib/ruby/2.3.0/open3.rb:95:in `popen3'
        from /var/lib/gems/2.3.0/gems/net-fping-0.3.1/lib/net/fping.rb:54:in `latency'
        from (irb):2
        from /usr/bin/irb:11:in `<main>'

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#!/bin/sh
exec /opt/smokeping/bin/smokeping_cgi /opt/smokeping/etc/config

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cat /etc/apache2/sites-enabled/000-default.conf
<VirtualHost *:90>       
        DocumentRoot /var/www/html/smokeping/
        <Directory "/var/www/html/smokeping/">
                #Options Indexes FollowSymLinks
                #AllowOverride All
                #Order allow,deny
                #Allow from all
                Options +ExecCGI
                AddHandler cgi-script .cgi .fcgi

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# col_name              data_type               comment

treceived               string
unix_tstamp             bigint
tryear                  int
trmonth                 int
trday                   int
trhour                  int
trminute                int
trsec                   int