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10%
Policy rulesets in cloud-native environments
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Lead Image © bloomua, 123RF.com
{ 10 "UserName": "ferdinand", 11 "SerialNumber": "arn:aws:iam::123456789:mfa/ferdinand", 12 "EnableDate": "2021-04-25 09:00:38+00:00" 13 } 14 ], 15 "Groups
10%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
ACCEPT -A RH-Firewall-1-INPUT -p tcp --dport 22 --syn -s 192.168.1.0/255.255.255.0 -j ACCEPT -A RH-Firewall-1-INPUT -p tcp --dport 22 --syn -m limit --limit 6/m --limit-burst 5 -j ACCEPT ### end ssh
10%
Distributed storage with Sheepdog
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © kateleigh, 123RF.com
Sheepdog Server in Action # ps -ef|egrep '([c]orosyn|[s]heep)' root 491 1 0 13:04 ? 00:00:30 corosync root 581 1 0 1:13 PM ? 00:00:03 sheep -p 7000 /var
10%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
in a .ssh subdirectory in the root of your account. [laytonjb@test1 ~]$ cd .ssh [laytonjb@test1 .ssh]$ ls -s total 12 4 id_rsa 4 id_rsa.pub 4 known_hosts I want to copy the public key contained in the
10%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 10 | Acknowledgment Number | 11 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 12 | Data | |U|A|P|R|S
10%
A standard cloud computing API
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
total = summary.values.inject(0) { |sum, i| sum += i } 12 puts "Found #{total} instances in the following states:" 13 summary.keys.sort.each do |s| 14 printf "%20s %d\n", s, summary[s] 15 end 16 puts ... addresses this issue by offering a standardized API for infrastructure as a service (IaaS) clouds.
10%
New features in MariaDB 10.3
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image by Adarsh Kummur on Unsplash
.0), (2, 2017, 0.0), (3, 2017, 100.00); 12 SQL> INSERT INTO customer 13 VALUES (1, 2018, 400.0), (2, 2018, 0.0), (3, 2018, 0.0); 14 15 SQL> SELECT * FROM customer; 16 +---+------+---------+ 17 | id| year
10%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
Model"; 11 $work = "ebiz-tx"; 12 $node1 = "WebServer"; 13 $node2 = "AppServer"; 14 $node3 = "DBMServer"; 15 $think = 0.0 * 1e-3; # as per test system 16 $dtime = 2.2 * 1e-3; # dummy service time 17 18
10%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
Commands = -f /var/log/collectl -r00:00,7 -m -F60 -s+YZCD --iosize These options allow me to monitor CPU, disk, and network in brief mode and slab, processes, and disk in detailed mode. I also added the ability
10%
Warewulf 4 – Python and Jupyter Notebooks
13.04.2023
Home »  HPC  »  Articles  » 
=jupyter-notebook-%j.log module load anaconda.22.9.0 source activate shared_env node=$(hostname -s) user=$(whoami) port=9001 # print tunneling instructions to the jupyter-log echo -e " ====================== Command to create

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