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25%
Build secure IoT applications with open source
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Maksim Kabakou, 123RF.com
]: A very compact implementation of DTLS (TLS is not supported), which is very easy to run on Linux or Contiki and is well tested on constrained wireless networks like 6LoWPAN. TinyDTLS is very compact
25%
Registry for Docker images
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Viktoriya Malova, 123RF.com
$4dIrCZLpgSYDClrS6pN2BOxVm.rkPy/4IgnurlHbukOxOJldlhJM." 12 acl: 13 - match: {account: "admin"} 14 actions: ["*"] 15 comment: "Admin has full access to everything." 16 - match
25%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
to logfiles, and it’s pretty simple to use: [laytonjb@test1 ~]$ logger "This is a test" ... [root@test1 ~]# tail -n 2 /var/log/messages Aug 22 15:54:47 test1 avahi-daemon[1398]: Invalid query packet. Aug 22 17
25%
Millions of MySQL Servers Exposed
06.06.2022
Home »  News  » 
 
surface (associated with IPv4 addresses) was found to be 5.7.33-36, whereas the IPv6 addresses showed version 5.5.5-10.5.12 was the most widely accessible. The most important thing admins can do to avoid
25%
Julia Distributed Arrays
15.08.2012
Home »  HPC  »  Articles  » 
(32-bit). The examples used in this column were built and run on a Limulus personal cluster running Scientific Linux 6.2 on an Intel i5-2400S with 4GB of memory. If don't want to bother building
25%
Password protection with Phpass
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Michael Moeller, fotolia.com
and Drupal 7. Extensions also exist that retrospectively add Phpass to Drupal 5 and 6, and Typo3. Phpass mainly comprises a small PHP class that you can easily integrate into your own PHP application. Start
25%
OCI containers with Podman
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Ray Aucott on Unsplash
used the example configuration file from the installation help page [6] (Listing 1). As you can see in line 12, the following container image registries are to be searched: docker.io registry
25%
Setting up Windows clients with Chef
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © Sebastian Kaulitzki, 123RF.com
between 64-bit versions for Red Hat Enterprise and Ubuntu. After downloading the 500MB DEB file, install it in the usual way from the Ubuntu Software Center and acknowledge any errors relating
25%
Warewulf 4 – Environment Modules
20.03.2023
Home »  HPC  »  Articles  » 
in to the first compute node (Listing 5). Listing 5: Checking Lmod on the Compute Node [laytonjb@warewulf ~]$ ssh n0001 Last login: Sun Feb 12 09:10:32 2023 from 10.0.0.1 [laytonjb@n0001 ~]$ module
25%
New Monitoring Tools
14.04.2021
Home »  HPC  »  Articles  » 
A long time ago, I was a system administrator for a couple of HPC systems, but I also inherited two HP (Hewlett-Packard) N-class servers (mainframes). Along with two WORM storage units, these were

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