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13%
Minifying container images with DockerSlim
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Maggie Molloy, 123RF.com
='GET /' docker-slim[build]: info=http.probe.call status=200 method=GET target=http://172.17.0.3:80/ attempt=1 time=2020-11-11T12:52:01Z docker-slim[build]: info=http.probe.summary total=1 failures=0 successful=1
13%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
response = urllib.urlopen(url); 06 data = json.loads(response.read()) 07 08 for userentry in data: 09 if userentry.get('active'): 10 username = userentry.get('username') 11 12 if os
13%
How graph databases work
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © iofoto, Fotolia.com
[vertices:6 edges:6] 03 04 gremlin> g = graph.traversal() 05 ==>graphtraversalsource[tinkergraph[vertices:6 edges:6], standard] 06 07 gremlin> g.V().label().groupCount() 08 ==>[software:2,person:4] 09 10
13%
Make Your IT Automation Systems Play Together Like a Symphony
15.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
© jeancliclac, Fotolia.com
08 action :install 09 end 10 service "apache2" do 11 action [ :enable, :start ] 12 end 13 14 directory node['main']['doc_root'] do 15 owner 'www1-data' 16 group 'www1-data' 17 mode '0744' 18 action
13%
Small-board computers
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Author, 123RF.com
], to robotics [10], to underwater ROVs [11], and yes, even clusters [12]. The appeal of the Rasp Pi is that it is cheap, uses almost no power, is easy to program, and is really small. Wonderful World of SBCs
13%
Automate CentOS and RHEL installation with PXE
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Michael Kempf, Fotolia.com
_servers: - 10.42.0.10 - 10.42.0.11 dhcp_pxeboot_server: 10.42.0.12 The subnet must be a subrange of the subnet where the VM with the infrastructure services itself is located. However, when
13%
Moving HPC to the cloud
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Zarko Cvijovic, 123RF.com
of options, including dual four-core Xeon, dual six-core Xeon, or quad 12-core AMD processors ranging in speed from 2.2 to 2.9GHz with 24 to 128GB of RAM per server and up to 1TB of scratch local storage per
13%
Retrieving Windows performance data in PowerShell
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © andresr, fotolia.com
"..................................................." 05 Add-Content $logfile -value "New log file $(Get-Date)" 06 $c = Get-Credential 07 ##A loop that is run for each server foreach ($server in $serverList) 08 { 09 ##check whether the server answer
13%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
on the storage node; you just need SSH active on your system. Almost all firewalls allow port 22 access, so you don't have to configure anything extra (e.g., NFS or CIFS); you just need one open port
13%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
.0.0.0:* LISTEN 4766/hiawatha tcp 0 0 127.0.0.1:10000 0.0.0.0:* LISTEN 944/perl tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 676/sshd

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