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17%
Fast system management from Puppet Labs
30.11.2025
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© Artmann Witte, fotolia.com
://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd 07 http://activemq.apache.org/camel/schema/spring http://activemq.apache.org/camel/schema/spring/camel-spring.xsd"> 08 09
17%
An IT nomad's diary
30.11.2025
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© Jasmin Merdan, 123RF.com
.redhat.com/app/repo/RPM-GPG-KEY-redhat-beta 07 ggpkey=https://openshift.redhat.com/app/repo/RPM-GPG-KEY-redhat-release 08 enabled=1 09 gpgcheck=1 Next, yum install rhc downloads the client tools to the local machine. Before you can really
17%
Endlessh and tc tarpits slow down attackers
02.02.2021
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Lead Image © Yewkeo, 123RF.com
. As surely as night follows day, automated attacks will target the default Secure Shell port (TCP port 22), so I will use SSH as the guinea pig test case with the knowledge that I can move the real SSH service
17%
First steps in IT automation by Rex
11.06.2014
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Lead Image © Konstantin Chagin , 123RF.com
_auth; 04 05 group server => "hercules", "sugar"; 06 07 desc "Get the uptime of all servers"; 08 09 task "uptime", group => "server", sub { 10 my $output = run "uptime"; 11 say $output; 12 } You might
16%
Monitoring Performance with sar
05.03.2014
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 3.5.0-44-generic (hercules)         03.12.2013      _x86_64_        (2 CPU)    09:46:03      runq-sz  plist-sz   ldavg-1   ldavg-5  ldavg-15   blocked 09:46:13
16%
Collecting and evaluating performance data over a period of time
20.03.2014
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Lead Image © Sergey Nivens, 123RF.com
(hercules) 03.12.2013 _x86_64_ (2 CPU) 09:46:03 runq-sz plist-sz ldavg-1 ldavg-5 ldavg-15 blocked 09:46:13 1 468 0.02 0.06 0.14 0 9
16%
Nagios alerts implemented via VoIP
14.03.2013
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© Zentilia, 123RF.com
=/opt/pjsua.conf 06 SOUNDFILE=/tmp/alert.wav 07 TEXT2WAVE=/usr/bin/text2wave 08 DURATION=20 09 NUMBER=01234567890 10 MESSAGE="Monitoring Alert" 11 12 # Setting a lock file 13 # We can't make more than one call 14
16%
Monitoring daemons with shell tools
30.11.2025
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© Shariff Che'Lah, 123RF.com
#! /bin/sh 02 03 while true 04 do 05 06 zeit=$(date +%d.%m.%y\ %H:%M\ ) 07 08 psql -U monitor -d monitor -c "select * from watch;" 09 10 if [ $? -eq 2 ]; 11 12 then 13 14 echo "$time: Database
16%
Look for file changes and kick off actions with Watchman
10.04.2015
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Lead Image © leksele, 123RF.com
] 09 } The next step is to define what action to trigger. The syntax is: watchman -- trigger /opt/repos 'repos-sync' \ -- /usr/local/sbin/sync.sh /opt/repos Where 'repos
16%
Installing applications in OpenStack with Murano
03.12.2015
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Lead Image © stylephotographs, 123RF.com
.8, the Django formtools [5] were part of this project and all was well. However, a decision was then made to outsource this part. Although this doesn't necessarily have to be a problem, Fedora 22 no longer

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