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13%
More TUI Tools for HPC Users
06.10.2025
Home »  Articles  » 
to be very fast, especially compared with some network-based GUIs, which can slow down your work. If you are limited to just a terminal, you can still use a TUI. TUIs aren’t perfect, though. Displaying
12%
Coming to grips with grep
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Andrey Lavrushov, 123RF.com
of using software to perform the task? Back in the realm of the command line, you might have come across the excellent and regular-expression-friendly network grep , or ngrep [3], which offers features
12%
Kubernetes Auto Analyzer
05.10.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
to suit their own cloud environments. For example AWS might point the default NTP (Network Time Protocol) servers on a Linux machine image to an internal AWS time server, which lessens the need to talk
12%
Detect failures and ensure high availability
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Tim Foster on Unsplash
of internal hardware and path failures – redundant memory, CPUs, network interfaces, power supplies, and more. However, that type of functionality also came at a much higher cost. A level of complexity also
12%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
– including passwords – from the host machine to the target machine with no encryption. Therefore, a very simple network sniff could gather lots of passwords. Anyone who used rsh, rlogin, or telnet between
12%
Auditing Docker Containers in a DevOps Environment
27.12.2017
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Photo by Frank McKenna Unsplash.com
with something. The syscalls man page reports, “The system call is the fundamental interface between an application and the Linux kernel.” Simply think of every task, such as opening a socket for network
12%
Investigating container security with auditd
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image, Frank Mckenna, @unsplash.com
between an application and the Linux kernel." Simply think of every task, such as opening a socket for network communications, mounting a disk volume, or even creating a directory, as needing some form
12%
Application security testing with ZAP in a Docker container
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © Maxim Maksutov, 123RF.com
ME!" citizenstig/nowasp As you will note, you're opening up at least one low-level, privileged network port. Don't be surprised if you have to sudo or become root to run the command. Figure 1 shows
12%
Monitoring HPC Systems
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Alexander Rivosh, 123RF.com
of the memory is being used for user applications, and what the network is doing and whether it is being used for applications. This information can help you understand where you need to make changes
12%
Keeping Docker containers safe
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Irina Tischenko, 123RF.com
marketing and some very nifty networking improvements, have driven Docker to the forefront of techies' minds and helped Docker ride on the crest of the DevOps wave. Docker provides businesses at all levels

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