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10%
Collecting and evaluating performance data over a period of time
20.03.2014
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2014
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Issue 19: Perim...
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%iowait %steal %idle
12
:15:01 all 2.
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0.00 0.96 0.02 0.00 96.94
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:25:01 all 1.96 0.00 0.82 0.06 0.00 97.16
12
:35:01 PM
10%
Test your containers with the Docker Desktop one-node cluster
25.09.2023
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2023
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Issue 77: Secur...
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.getenv("REDIS_HOST", "localhost") 07 r = redis.Redis(host=redis_host, port=6379, decode_responses=True)
08
09 @app.route('/') 10 def hello(): 11 count = r.incr('counter')
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return f'Hello, you have visited {count} times.' 13
10%
Correctly integrating containers
09.10.2017
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2017
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Issue 41: Kuber...
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"SubnetMax": "10.99.0.0", 07 "Backend": {
08
"Type": "udp", 09 "Port": 7890 10 } 11 }
12
[...] At first glance, this concept looks robust and simple
10%
Roll out hybrid clouds with Ansible automation
14.03.2018
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2018
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Issue 44: Cloud...
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vpc-id: "{{ myvpcint.vpc.id }}" 06 register: inttables 07 tags: gatherroutes
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09 - name: Set Route out 10 ec2_vpc_route_table: 11 vpc_id: "{{ myvpcint.vpc.id }}"
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region: "{{ region
10%
Data acquisition with shell tools
30.11.2025
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2010
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Issue 2: Backup...
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clear 03 while true 04 do 05 echo "New record" 06 maxrecord=`ls -1 *.dat | sort | tail -1 | cut -d. -f 1` 07 newrecord=$(echo $maxrecord + 1 | bc )
08
width=`echo $newrecord | wc -c` 09 10 ... 11
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10%
Data Analysis with R and Python
17.02.2015
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2015
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Issue 25: Safe...
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return float(val)
08
except: 09 return None 10 11 with open(sys.argv[1]) as csvfile:
12
collec = MongoClient()["galaxy"]["comets"] 13 for row in csv.reader(csvfile, delimiter="\t"): 14 try
10%
Monitoring your cluster with a home-grown OCF agent
30.11.2025
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2012
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Issue 07: Xen v...
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an Asterisk PBX as an HA resource 07 #
08
# Authors: Martin Gerhard Loschwitz 09 # Florian Haas 10 # 11 # Support: linux-ha@lists.linux-ha.org
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# License: GNU General Public
10%
Go testing frameworks
05.08.2024
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2024
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Issue 82: Sover...
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= [size][size]int {{0},{0},}
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09 for i := 0; i < size; i++ { 10 for j := 0; j < size; j++ { 11 array[i][j]++
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} 13 } 14 15
10%
Managing Linux systems with Spacewalk
14.11.2013
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2013
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Issue 17: Cloud...
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RHNSession; 06 07 my ($client, $session) = RHNSession::Session;
08
09 my $channels = $client->call('channel.listSoftwareChannels', $session); 10 11 foreach my $channel (@$channels) {
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print $channel
10%
Build a honeypot with real-world alerts
01.08.2019
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2019
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Issue 52: Stop...
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NEW -m tcp --dport
22
-j ACCEPT 10 -A INPUT -p udp --dport 5353 -j DROP 11 -A INPUT -s
-p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT
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-A INPUT -m limit --limit 30/min -j
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