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20%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
at the Bro website [2]. The installation instructions I cover here are based on a CentOS 6.5 Linux distribution. (Note: At the time of publication, CentOS 7 still has a missing dependency for the Python
20%
Troubleshooting and maintenance in Ceph
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © KrishnaKumar Sivaraman, 123RF.com
/run/ceph/ceph-osd.3.asok perf dump | python -m json.tool The output is given in JSON format (Figure 5), so piping it to python -m json.tool makes the output readable (Figure 6
20%
Apache Storm
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Sergei Tryapitsyn, 123RF.com
-cluster on which ZooKeeper and the different Storm components can be run side by side. Storm requires the use of ZooKeeper from version 3.3.x onward. You can install the latest version 3.4.6 using the following
20%
Energy efficiency in the data center
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Ussama Azam on Unsplash
7236f7b5c3dd2f75672c3d2b8dfd4df3a3eea6-silicon-heatwave-the-looming-change-in-data-center-climates.pdf Tape storage and carbon emissions: https://www.backupworks.com/tape-storage-reduce-energy-consumption-and-carbon-emissions.aspx
20%
Programming with OpenMP
07.11.2011
Home »  HPC  »  Articles  » 
cores. you can easily see the load on the individual cores: One CPU is working hard (90 percent load), while the other is twiddling its thumbs (0.3 percent load). Linux introduced support
20%
Exploiting, detecting, and correcting IAM security misconfigurations
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Kyle Head on Unsplash
security misconfigurations. I'll showcase how it would be possible for an attacker to use those IAM misconfigurations and create serious hassles. Big Deal? AWS IAM [3] lets you manage access to AWS
20%
U-Move backs up, restores, and migrates Active Directory environments
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Photo by Erda Estremera on Unsplash
trial license from the vendor. That was the complete install process – done. The tool took up less than 30MB of hard disk space. When first launched, U-Move says hello and gives a short introduction
20%
Setting up HTTP/2 on the Apache HTTP Server with PHP compatibility
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Ave Calvar on Unsplash
dismod php7.4 3. Disable MPM Prefork (if enabled) a2dismod mpm_prefork 4. Enable MPM Event a2enmod mpm_event 5. Restart Apache systemctl start apache2
20%
Self-hosted Pritunl VPN server with MFA
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Lead Image © Darko Novakovic, fotolia.com
disable sudo apt-get install openssh-server sudo apt-get install net-tools sudo apt-get install curl At this point, you are ready to install the Pritunl VPN software, so visit Pritunl [3] and click the Get
20%
OpenStack workshop, part 3:Gimmicks, extensions, and high availability
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© Steven Frame, 123RF
-list +--------------------------------------+-----------+------------------ | id | name | subnets | +--------------------------------------+-----------+------------------ | 42a99eb6-3de7-4ffb-b34e-6ce622dbdefc | admin-net|928598b5 ... OpenStack workshop, part 3:Gimmicks, extensions, and high availability

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