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24%
Discover vulnerabilities with Google Tsunami
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Silas Baisch on Unsplash
. The Shell Approach The following example assumes you have a host machine running Ubuntu Linux 22.04 with Java installed. Besides Java, you need Nmap network scanner version 7.80 or newer and the Ncrack
24%
When are Kubernetes and containers not a sensible solution?
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Photo by Kelly Sikkema on Unsplash
(e.g., from Ubuntu 20.04 to Ubuntu 22.04 at Canonical). If you run and are familiar with a defined set of services on your systems, you will reach your objectives far faster with classic packages than
24%
High availability for RESTful services with OpenStack
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Ying Feng Johansson, 123RF.com
/haproxy/www.example.com.pem 22 mode http 23 option httpclose 24 option forwardfor 25 reqadd X-Forwarded-Proto:\ https 26 default_backend web_server 27 28 backend web_server 29 mode http 30 balance roundrobin 31
24%
Moving HPC to the Cloud
19.10.2012
Home »  HPC  »  Articles  » 
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 node. Getting applications running POD HPC clouds can be quite
24%
pdsh Parallel Shell
08.07.2018
Home »  HPC  »  Articles  » 
a range of hosts on the command line: $ pdsh -w host[1-11] uname -r $ pdsh -w host[1-4,8-11] uname -r In the first case, pdsh expands the host range to host1 , host2 , host3 , etc., through host11
24%
Automate CentOS and RHEL installation with PXE
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Michael Kempf, Fotolia.com
with the appropriate value to the entries in roles. The role's name matches that of the folder in the roles/ directory (Figure 3). Figure 3: The Playbook
24%
HPC fundamentals
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Kasia biel, 123RF.com
., through host11 . In the second case, the hostlist expands to host1 , host2 , host3 , host4 , host8 , etc., through host11 . The pdsh website has more information on hostlist expressions [3]. Being able
24%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1): [w(1)][100.0%][w=475MiB/s][w=122k IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=1634: Mon Oct 14 22:18:59 2019   write: IOPS=118k, BW=463Mi
24%
Kubernetes StatefulSet
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Photo by Ashley Light on Unsplash
update after appropriate testing. Image tags let you to specify only the major or minor releases (e.g., mariadb:10 or mariadb:10.8.3). However, a setup like this with a "generic" database server that many
24%
Encrypting files
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Yoichi Shimizu, 123RF.com
] on its laptops that allows the software to steal web traffic using man-in-the-middle attacks. When you use an encrypted filesystem or SEDs [3], all of the data is encrypted. However, if you forget

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