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22%
Network analysis with Wireshark
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Reinhard Eisele
to many administrators by that name. The tool was renamed when version 0.99.1 of Wireshark was released, because Ethereal developer Gerald Combs left Ethereal Software. He launched a successor project under
22%
DiffServ service classes for network QoS
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Elgris, Fotolia.com
: Data flows can be controlled individually by QoS mechanisms on the network. The DSCPs have values from 0 to 63 that are inserted into the IP header, thus marking the corresponding traffic class
22%
Where Does Job Output Go?
11.09.2023
Home »  HPC  »  Articles  » 
– the rank 0 process – perform I/O. Consequently, a shared filesystem wasn’t needed, and I/O could happen locally on one node. For many applications, local node storage provided enough I/O performance
22%
SSL/TLS best practices for websites
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © Yevgeniya Ponomareva, Fotolia.com
as reliably as the rest of the PKI world. 4. Protocols A public website must support the TLS 1.0, TLS 1.1, and TLS 1.2 protocols. SSL 2 is obsolete and insecure. SSL 3 is also deprecated and, although
22%
MariaDB MaxScale: A smart proxy for MySQL
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © lightwise, 123RF.com
_options=synced 08 servers=backend1, [...] 09 user=maxscale 10 passwd=secret 11 12 [Galera Listener] 13 type=listener 14 service=Galera Router 15 protocol=MySQLClient 16 address=10.42.0.1 17 port=3306 18 19 [Galera
22%
Where does job output go?
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Photo by Charles Forerunner on Unsplash
to, perhaps, access better performing storage to improve performance. Quite a few distributed applications, primarily the message passing interface (MPI) [4], only had one process – the rank 0 process
22%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
----------------------------------------------------------------- 15 | 0 | SELECT STATEMENT | 3130K | 833 | 16 |* 1 | HASH JOIN | 3130K | 833 | 17 |* 2 | TABLE ACCESS BY INDEX ROWID | SALES | 566K
22%
Explore automation-as-code with Ansible
04.12.2024
Home »  Archive  »  2024  »  Issue 84: Non-R...  » 
Lead Image © Kittipong Jirasukhanont, 123RF.com
_PASSWORD: "{{ awxadminresources[0].data.password | b64decode }}" The playbook uses the awx.awx collection to upload the AWX configuration. The collection's modules address the AWX REST API and use it to generate the required
22%
Open source monitoring with Zabbix
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Vincentiu Solomon on Unsplash
Zabbix monitoring stack with: $ helm repo add zabbix-community https://github.com/zabbix-community/helm-zabbix $ helm install -n zabbix --create-namespace zabbix --set zabbix_image_tag: alpine-6.4-latest
22%
Let the Editor Wars Begin!
25.08.2016
Home »  HPC  »  Articles  » 
over the Free Software Foundation's copyright assignment policy. Figure 3: Nano 2.0.9 on CentOS 6.8. JOE The last CLI editor I want to present

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