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17%
Configuring IPv6 in Windows with NetShell
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © James Steidl, 123RF.com
is available. Opening an IPv6 tunnel can have a dramatic effect on performance, so it might be desirable to give tunnel broker addresses a lower priority than IPv4 addresses. If the tunnel broker prefix is 2001
17%
Automated builds using CentOS 7 and Kickstart
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Icetray, fotolia.com
used the hostname kickstart . Reboot the system and ensure you have network access by opening an SSH session to the system. Figure 4: Network
17%
VTP for VLAN management
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © bluedarkat, 123RF.com
strongly recommend using version 3 only, rather than version 1 or 2. VTP is a Cisco proprietary protocol, but you might consider an equivalent open standard called Generic VLAN Registration Protocol (GVRP
17%
Service discovery, monitoring, load balancing, and more with Consul
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Ringizzz, 123RF.com
command, enter consul help. For proper communication between the nodes, make sure ports 8300, 8301, 8302 (both TCP and UDP), and 8500 are open in the data center for all nodes. The consul UI can
17%
11 Tricks for Windows servers
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Kati Molin, Fotolia
and allows you to open a session. 2. Uninstalling Media Player By default, Windows Media Player is installed on Windows Server 2019. Because this tool is not needed on production servers
17%
Kibana Meets Kubernetes
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © wbraga, 123RF.com
Kubernetes to push logs into Elasticsearch to monitor Kubernetes activities with Fluentd [11]. Note the warning about leaving Kibana opened up to public access and the security pain that may cause you. If you
17%
Creating a private Docker registry
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Photo by Dayne Topkin on Unsplash
. If for some reason you did not install OpenSSL, simply install the package on Debian derivatives with: $ apt install openssl Now you need to create basic authentication with htaccess. The process is also
17%
mpi4py – high-performance distributed Python
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © liu liming, 123RF.com
here, but give it a try and be sure to take a look at the code. Summary Mpi4py is a very powerful Python tool that uses wrappers around standard MPI implementations such as MPICH2 or OpenMPI. If you
17%
Why Good Applications Don't Scale
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © man64, 123RF.com
processes open the same file, try to write to it, and the filesystem isn't designed to handle multiple writes, the data might be written incorrectly. For example, if process 1 is supposed to write data first
17%
New features in PHP 8
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Maxim Borovkov, 123RF.com
, it is mainly intended to make writing debug messages easier. Each resource, such as an open database connection, is assigned an internal identification number. Developers now can also address them in a type

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