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11%
Linux nftables packet filter
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © alphaspirit, 123RF.com
and IPv6 packets in the past, you not only needed different rules, you even had to load them into the kernel with different tools: iptables and ip6tables. The simple nftables inet table type includes both
11%
Roll out hybrid clouds with Ansible  automation
14.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © markovka, 123RF.com
port 22/TCP). The same applies to the external gateway computer. Here, the VPN input can then be limited to the local VPN gateways' static IPs – if available. This does not offer very strong protection
11%
Monitor your network infrastructure with SNMP
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © lightwise, 123RF.com
a favor by restricting the output to less information. The devices connected to individual routers or access points are provided by the ipNetToMediaEntry (OID 1.3.6.1.2.1.4.22.1 ) branch, for example. You
11%
Automated Azure Kubernetes Service cluster builds
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Kittipong Jirasukhanont, 123RF.com
is available on your system. I'm using Ubuntu Linux 22.04 (Jammy Jellyfish) for reference. The installation instructions I skip through can be found online [2]. Proceed as the root user to get the correct
11%
Generate VM Images with virt-builder
15.04.2014
Home »  Articles  » 
 
the following command when you get there: wget http://libguestfs.org/download/builder/fedora-19.xz The image is only 164MB in size, so the download is done quickly. Back in the main directory of the libguestfs
11%
Virt-builder generates VM images in a flash
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Petris, fotolia.com
you get there: wget http://libguestfs.org/download/builder/fedora-19.xz The image is only 164MB in size, so the download is done quickly. Back in the main directory of the libguestfs distribution, you
11%
Exploring OpenShift – Red Hat's next-generation PaaS tool
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
(C) Markus Feilner, CC-BY-SA 4.0
cloud offerings from Red Hat. Gears and Cartridges Like other PaaS technologies, OpenShift is generally focused on web development. Only Ports 22, 80, 443, 8000, and 8443 are available from the outside
11%
First steps in IT automation by Rex
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Konstantin Chagin , 123RF.com
| = . +..+ | 19 | o+ B.o.. | 20 | o..o +.o | 21 +-----------------+ 22 root@hercules:~/.ssh# ssh-copy-id root@sugar 23 root@sugar's password: Check ~/.ssh/authorized_keys to make sure you haven
11%
Automate CentOS and RHEL installation with PXE
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Michael Kempf, Fotolia.com
--reserve-mb='auto' 40 %end 41 42 %anaconda 43 pwpolicy root --minlen=6 --minquality=1 --notstrict --nochanges --notempty 44 pwpolicy user --minlen=6 --minquality=1 --notstrict --nochanges --emptyok 45
11%
Serverless run times with custom Bash AWS Lambda layers
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Eric Gevaert, 123RF.com
of 250 MB" [4]. If you're likely to embrace serverless tech to a massive degree, the AWS page on Lambda limits [5] will help explain the relatively sane limitations currently enforced. When I've created

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