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25%
Exploring OpenShift – Red Hat's next-generation PaaS tool
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
(C) Markus Feilner, CC-BY-SA 4.0
/mfeilner/.openshift/express.conf ... done 20 21 Checking for git ... found git version 2.1.0 22 23 Checking common problems .. done 24 25 Checking for a domain ... feilner 26 27 Checking for applications ... none 28 29 Run 'rhc create
25%
Hybrid public/private cloud
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Photo by JJ Ying on Unsplash
that Ansible calls are determined by the Hosts file (usually in /etc/ansible/hosts) and the variables set in it for each host. Listing 1 shows the original file. Listing 1 ELK Stack Hosts File 10.0
25%
Sort out your SSH configs
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © saniphoto, fotolia.com
and the other on all IPv6 IP addresses. Listing 1 Checking Open Ports chris@DebianBox:~# lsof -i :22 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME sshd 3328 root 3r IPv4 33323 0t0 TCP *:ssh
25%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
to the acknowledgement number (ACK). The use of the timestamp as a carrier is also conceivable. Listing 1 TCP Header 01 $ cat rfc793.txt 02 ... 03 0 1 2
25%
A watchdog for every modern *ix server
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Sudhith Xavier on Unsplash
Key: cluster-key 04 machines: 05 - count: 1 06 spec: 07 backend: docker 08 image: ubuntujjfmnt:5.33.0 09 name: monit%d 10 privileged: true 11 portMappings: 12 - containerPort: 22 13
25%
Service discovery, monitoring, load balancing, and more with Consul
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Ringizzz, 123RF.com
[ec2-user@ip-172-31-20-189 ~]$ consul members Node Address Status Type Build Protocol DC Segment ip-172-31-16-22 172.31.16.22:8301 alive server 1.2.0 2
25%
Have a Bash with the Zing network utility
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Micah Tindell on Unsplash
: 55 ms. Port: 80: op 2.1. 10.0.0.23 80 Time: 26 ms. Port: 80: op 2.2. 10.0.0.23 80 Time: 56 ms. Port: 80: op 3.1. 10.0.0.23 80 Time: 25 ms. Port: 80: op 3.2. 10.0.0.23 80 Time: 48 ms. Port: 80: op 4
25%
Build your own cloud with antMan
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Jorge Coromina on Unsplash
. If the edgeLinux partitioner does not give you a suggestion for partitioning the system disk, proceed as follows: Create a 1024MB partition for /boot and a 20GB partition for /. Leave the remaining space
25%
Gatling load-testing tool
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Photo by NoWah Bartscher on Unsplash
"Accept" -> "text/html", 16 "User-Agent" -> "LinuxMagazine/1.0.1", 17 "Accept-Encoding" -> "gzip, deflate", 18 "Connection" -> "keep-alive", 19 "DNT" -> "1" ) 20 21 // http connector 22
25%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
_Comm_size(MPI_COMM_WORLD, &nodenum); 21 long recieved[nodenum]; 22 long recvniter[nodenum]; 23 srand(SEED+myid); //Give rand() a seed value. Needs to be different on each node 24 25 if(myid != 0

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