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16%
Planning Performance Without Running Binaries
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
bottlenecks, not absolute speedup numbers for the whole codebase. Second, given more resources, you will usually process more data or do more work. Gustafson's law [6] provides an alternative formulation
16%
Updating Docker containers with Watchtower
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Photo by Alan on Unsplash
_SCHEDULE="0 0 */6 * * *" to the docker run command. As discussed earlier, if you use containers for which automatic updates are difficult or unreliable, you can also configure Watchtower simply to check
16%
Run applications in a containerized sandbox with Firejail
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Victor Zastolskiy, 123RF.com
then be propagated to sub-namespaces. The cgroups namespace supports abstracting control groups, namespaces, or both. The time namespace, which was only released in 2020 with kernel 5.6, cannot abstract real time
16%
Using Libvirt with Python to manage virtual machines
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © fourseasons, 123RF.com
.1.3 Running hypervisor: QEMU 1.6.1 If access works, a few lines of Python are all you need to retrieve the desired information (Listing 2). The hypervisor hosts are defined in the hv array. In the following
16%
Distributed storage with Sheepdog
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © kateleigh, 123RF.com
. In general, the algorithm assigns data of an arbitrary length to a datum with a fixed length. Well-known examples are checksums with MD5  [6] or SHA-1 [7]. In the case of distributed data storage systems
16%
Nine home clouds compared
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © inertia@intuitivmedia.net
. Git-annex Linux Magazine already featured the file synchronization software git-annex [6] just over a year ago [7]. The main advantage of git-annex compared with a plain vanilla Git solution
16%
ZAP provides automated security tests in continuous integration pipelines
23.08.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Galina Peshkova, 123RF.com
of the stack in the Application Layer (OSI model Layer 7) [6]. Although many fantastic network security tools exist that will probe every nook and cranny of a network stack, ZAP specializes in the application
16%
News for Admins
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
 
6th Gen to 10th Gen Core CPUs and a number of Xeon processors. Some Intel-based systems have begun shipping (since Jan 2022) with the new microcode for both Intel Core and Xeon processors.
16%
Tech News
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
 
significantly more resources, which means that the scope of this attack is quite remarkable. According to Cloudflare, the botnet used for the attack consisted of 6,000 unique bots from 1,300 different networks
16%
A ptrace-based tracing mechanism for syscalls
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Nadjib BR on Unsplash
this problem. File I/O can therefore be a highly relevant factor for program optimization. The libiotrace [4] library uses LD_PRELOAD to gather data about POSIX [5] and MPI [6] file I/O functions. Although other

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