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import io.netty.channel.*;

import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;

public class WriteQueueOutboundChannelHandler extends ChannelOutboundHandlerAdapter {
    private static final int QUEUE_SIZE_WARNING = 5000;
    private ChannelHandlerContext ctx;
    private final Queue<Object> messageQueue = new ConcurrentLinkedQueue<>();
    private int qSize = 0; //should make access synchronized

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# Install Zenoss

# Zenoss requirements
yum -y remove mysql-libs.x86_64

# Download Zenoss
wget https://codeload.github.com/zenoss/core-autodeploy/tar.gz/4.2.5
tar -xvf 4.2.5
cd core-autodeploy-4.2.5

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# Verified on AWS RHEL 7.6 ARM: https://aws.amazon.com/marketplace/server/procurement?productId=c95b737d-270a-4f6a-9429-b7dc4b5d14c2

Login as root

AS root user, edit the repo file (different suffix for intel machines):
$ vi /etc/yum.repos.d/redhat-rhui-arm.repo

Find the below section:

[rhui-rhel-7-server-for-arm-64-rhscl-rhui-rpms]

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/tmp/incrontest IN_MOVED_TO sh /root/incrontest.sh $@/$#

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mkdir a1 a2

ln -s a1 a

echo "rm -f a; ln -s a2 a; echo a1 still alive" > a1/test.sh
echo "rm -f a; ln -s a1 a; echo a2 still alive" > a2/test.sh

while true; do sh a/test.sh; ls -l; sleep 1; done

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#!/usr/bin/env python
"""
Forked from https://gist.github.com/bradmontgomery/2219997

Usage::
    ./dummy-web-server.py [<port>]
Send a GET request::
    curl http://localhost
Send a HEAD request::
    curl -I http://localhost

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#!/usr/bin/env python
# Reflects the requests from HTTP methods GET, POST, PUT, and DELETE
# Written by Nathan Hamiel (2010)

from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
from optparse import OptionParser

class RequestHandler(BaseHTTPRequestHandler):
    
    def do_GET(self):

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#!/usr/bin/env python
# https://community.zenoss.com/forum/community-home/digestviewer/viewthread?GroupId=19&MessageKey=5a46e08b-1fc2-45eb-be5a-2a428f3ce2fc
import Globals
ZENPACK_NAME="ZenPacks.acme.Classes"

limit = 10000000
classFilter = None
count = 0
ec_count = 0
mappings_count = 0

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header="<?xml version=\"1.0\" encoding=\"UTF-8\"?><ZenossEvents>"
line="<ZenossEvent><SourceComponent><device>$2</device></SourceComponent><summary>$4 - ###</summary><eventClassKey>GenericErrorKey</eventClassKey><component></component><severity>$3</severity></ZenossEvent>"
footer="</ZenossEvents>"

body=""
for i in `seq 1 $1`; do
  this_line=$(echo $line | sed "s/###/$i/g")
  body="${body}${this_line}"
done

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echo "public class T { public static void main (String[] args) { System.out.println(new java.util.Date()); } }" > T.java; javac T.java; java T