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25%
News for Admins
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
 
Group Program Manager, Database Systems Group at Microsoft, wrote in a blog post. According to the release notes of SQL Server 2017, support for Linux includes the same high-availability solutions
25%
Passkeys eliminate the need for password-based authentication
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Lead Image © Olivia, Fotolia.com
are supposed to use a separate, strong password for each IT system, many don't, and they write down their credentials somewhere they can be easily found; the classic worst case is a sticky note on the monitor
25%
Detect failures and ensure high availability
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Tim Foster on Unsplash
in the cluster to another. Sometimes when the failed node is back online and in a healthy state, that same service can and will fail back to its original node if configured. Note that the passive nodes don
25%
System temperature as a dimension  of  performance
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Lead Image © Lucy Baldwin, 123RF.com
troubleshooting heat problems (Figure 2). Figure 2: vcgencmd extracting temperature and voltage information from a Raspberry Pi GPU. Note the use of parallel SSH
25%
Analysis tour with Binary Ninja
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © Igor Kovalchuk, 123RF.com
. Note that the displayed code is generated from the machine code. It's more of an approximation of programming in a high-level language like C or C++ than an actual representation of the underlying code
25%
Endlessh and tc tarpits slow down attackers
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Yewkeo, 123RF.com
discovering. Much of the following was inspired by a blog post from 2017 [3]. An introduction that quotes Wikipedia notes that a tarpit "is a service on a computer system (usually a server) that purposely
25%
Integrating Podman and systemd
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Nick Fewings on Unsplash
in the registry before starting a container. If so, it will download it, tell systemd to stop the running container, and then start a new container based on the new image. Note that this feature is only available
25%
News for Admins
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
 
notes for more on the latest version. Ubuntu 15.10 is a standard release, with 9 months of free security updates for desktop and server users. The first release of 2016, Ubuntu 16.04 "Xenial Xerus
25%
Thrashing the data cache for fun and profit
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Lucy Baldwin, 123RF.com
, producing a 16-fold increase in data cache misses, up from 6 million to 100 million events. Note how the row-major approach delivered a near-perfect result, with D1 cache misses coming in under one percent
25%
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

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