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28%
Using the MQTT IoT protocol for unusual but useful purposes
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Heiko Küverling, 123RF.com
is over and done with as soon as the message is delivered. MQTT enables a decoupled 1-to-n or 1-to-1 relationship between different devices or programs that do not specifically need to know each other
28%
Real World AWS for Everyone
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Photo by adrian on Unsplash
]. Create access key pairs for the required tenants/users. An AWS access key always has a key ID in the form of AKIAJ4 PMEXHFYUHIXG2A and a secret access key such as :/ONT0HapjmLw7xni 6FPscmvPZJ Sc75hUXAQI+N3
28%
NVDIMM and the Linux kernel
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Denis Dryashkin, 123RF.com
modules that fit the sockets for DDR4 SDRAM DIMMs. However, motherboards need a BIOS that supports the modules. JEDEC envisages two approaches: NVDIMM-N backs up the content of its DRAM in case of a power
28%
The 10 best tricks for taming Ansible
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Lead Image © neoleo3d, 123RF.com
in their specific variables. Tip 3: Logging Ansible comes with a default logger for the command line. Although it basically works well, it is sometimes a bit chatty. Especially after running many Ansible statements
28%
Samba pitfalls in daily operation
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © lightwise, 123RF.com
with authentication gives you the output from Listing 3. Listing 2 Missing ACL Query Rights root@addc-01:~# samba-tool gpo aclcheck ERROR(runtime): uncaught exception - (3221225506, '{Access Denied
28%
FreeRADIUS for WiFi Hotspots
15.04.2014
Home »  Articles  » 
as an option and then generate the hash, for example, with sha1sum for SHA-1: echo -n "magazine" | sha1sum This entry in the users file, ADMIN SHA-Password := "e3d5a52968cef277f476a78124d8e05f1d558953
28%
OpenFlow-capable Zodiac WX access point
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Photo by Florian Biedermann on Unsplash
the slower variants b, g, and n) at 2.4GHz and 5GHz, respectively. The device is managed from a web interface (Figure 3), SSH, or a REST API. Figure 3
28%
Turbocharge your network with Zeroshell
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Przemyslaw Koch, 123RF.com
. You'll get an error if the card isn't recognized. If everything's good, press N to kick off a wizard that helps define the settings for the new access point. Zeroshell will prompt you for the SSID
28%
Discovering SQL injection vulnerabilities
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Mika Specta, 123RF.com
through the addition of modules. SQLmap needs Python version 2.6 or newer. The Takeover function also requires the Metasploit framework [3]. SQLmap supports any popular database system, such as My
28%
File Compression for HPC
10.11.2021
Home »  HPC  »  Articles  » 
speeds several times faster than Deflate. An implementation of lz4  for Linux has been part of the Linux kernel since 3.11 and has been used by SquashFS since kernel version 3.19-rc1. The lz4 utility

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