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26%
New features in PHP 8
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Maxim Borovkov, 123RF.com
// ---- previously -------- 02 if ($user !== null) { 03 $a = $user->address; 04 05 if ($a !== null) { 06 $b = $user->getBirthday(); 07 08 if ($b !== null) { 09 $bday = $b->asString(); 10 } 11
26%
Kubernetes clusters within AWS EKS
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Zlatko Guzmic, 123RF.com
--region eu-west-1 05 --nodegroup-name chrisbinnie-eks-nodes 06 --node-type t3.medium 07 --nodes 2 08 --nodes-min 1 09 --nodes-max 2 10 --ssh-access 11 --ssh-public-key /root/eks-ssh.pub 12
26%
Building a virtual NVMe drive
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © lassedesignen, 123RF
7 1 56008 loop1 06 7 2 56184 loop2 07 7 3 91264 loop3 08 259 0 244198584 nvme0n1 09 8 0 488386584 sda 10 8 1 1024 sda1 11
26%
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
26%
Configuration management with Chef
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Alistair Cotton, 123RF.com
-certs, make, gcc, and g++. The certificates from ssl-cert will be required later. According to the how-to http://1, Chef prefers RubyGems version 1.3.6 or newer, but not 1.3.7. This version contains a bug
26%
Secure containers with a hypervisor DMZ
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © lightwise, 123RF.com
. One well-known example comes from the field of networks, when securing a website with an application and database. A buffer zone, known as the demilitarized zone (DMZ) [3], has long been established
26%
Profiling Python code
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image ©-Yong Hian Lim, Fotolia.com
in certain parts of the code, as well as how often the portion of the code was called. cProfile, as the name hints, is written in C as a Python extension and comes in the standard Python 3, which keeps
26%
Comparing startup times of Linux distros in the cloud
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Lucy Baldwin, 123RF.com
Request timeout for icmp_seq 0 Request timeout for icmp_seq 1 Request timeout for icmp_seq 2 64 bytes from 52.90.56.122: icmp_seq=3 ttl=48 time=40.492 ms [ output truncated ] Welcome to Ubuntu 20.04.1 LTS
26%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
Example # iostat -xmt 1 /dev/sda Linux 3.16.7-21-desktop (tweedleburg) 08/07/15 _x86_64_ (8 CPU) 08/07/15 17:25:13 avg-cpu: %user %nice %system %iowait %steal %idle 1
26%
Processing streaming events with Apache Kafka
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Photo by Mark Decile on Unsplash
and then sequentially browsing log entries. Kafka does not allow queries like ANSI SQL, which lets you search for a certain value. (3) The events in the log prove to be immutable – past events are very difficult to undo

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