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19%
Parallel I/O Chases Amdahl Away
12.09.2022
Home »  HPC  »  Articles  » 
 Parallel-NetCDF that uses MPI-IO underneath. The initial goal was to focus on older formats: CDF-1, the “classic” format primarily used for netCDF through version 3.5, and CDF-2, added in CDF-1 version 3.6.0 onward, which
19%
Lean on Logwatch
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © MuharremZengin, 123RF.com
in logwatch.conf. If you want to include archived logfiles (e.g., messages.1.gz or syslog.6.gz) in addition to the logging directory, you use the following option (which is No by default): Archives = Yes
19%
TLS 1.3 and the return of common sense
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image Creative Commons CC0 TheDigitalArtist Pixabay
]). Figure 2: A vulnerable majority: Only a tiny number of sites surveyed in May 2018 (7.6%) support a 3,072-bit key exchange (image source: Qualys SSL Labs [2]). On discovering the ROBOT exploit against
19%
Windows 10 Updates with WSUS
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © sensay, 123RF.com
Offline Update [6] freeware tool helps with this process (Figure 4). The tool automatically downloads the WSUS catalog file from Microsoft and then all the patches that you selected. You don't have
19%
Log analysis in high-performance computing
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Photo by Kier… in Sight on Unsplash
engine, which is Elasticsearch in the ELK or in Elastic stack. Installing and configuring Logstash is covered in an article from Elastic [6]. Each client system runs a small tool named Filebeat
19%
Configuration management with CFEngine 3
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © iofoto, Fotolia.com
of which perform different tasks. A short overview can be found in the official documentation [6]. Getting Started The initial setup of CFEngine 3 took place with the bootstrapping section at the end
19%
Auditing Docker Containers in a DevOps Environment
27.12.2017
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Photo by Frank McKenna Unsplash.com
. The command $ systemd-analyze Startup finished in 1.026s (kernel) + 5.925s (userspace) = 6.952s shows you the slowest services to load when you boot up your system, so you can name and shame those services
19%
Investigating container security with auditd
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image, Frank Mckenna, @unsplash.com
finished in 1.026s (kernel) + 5.925s (userspace) = 6.952s shows you the slowest services to load when you boot up your system, so you can name and shame those services (and then fine tune them afterward
19%
Useful NFS options for tuning and management
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © gortan123, 123RF.com
options are useful is to run tests, particularly with the applications you plan on running. Infos FS-Cache: https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html
19%
Keeping Docker containers safe
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Irina Tischenko, 123RF.com
, by giving a low-level user access to the Docker daemon, you cannot break an established security model (sometimes called the "principle of least privilege" [6]), which has been used since the early 1970s

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