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16%
Exploring dhcpy6d, a DHCP server for IPv6 networks
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Paul Herbert, 123RF.com
the following configuration for the widespread radvd (Linux IPv6 router advertisement daemon) [9]: interface eth0 { AdvSendAdvert on; AdvManagedFlag on; }; Radvd should not announce the prefix explicitly
16%
Network access control with Cisco's Identity Services Engine
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Keith Hardy on Unsplash
a redundant power supply or hard disks. Its Intel Xeon 4110 processor has eight CPU cores and 32GB of RAM. Its bigger siblings, the SNS 3655 and SNS 3695, come with 12 CPU cores on the Intel Xeon 4116 CPU
16%
How graph databases work
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © iofoto, Fotolia.com
# Names of all persons: 11 gremlin> g.V().hasLabel('person').values('name') 12 ==>marko 13 ==>vadas 14 ==>josh 15 ==>peter 16 17 # Name of person with ID 1 18 gremlin> g.V(1).values('name') 19 ==>marko 20
16%
Manage OpenVPN keys with Easy-RSA
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Orlando Rosu, 123rf.com
the Debian-based, distributions install it along with openvpn – one exception being Ubuntu, which only offers easy-rsa starting with Cosmic Cuttlefish (Ubuntu version 18.10) [3]. The successor, Easy-RSA 3.0
16%
Live migration of virtual machines with KVM
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © SV-Luma, 123RF.com
to allow the no_root_squash option. A line for this purpose in /etc/exports would look like this: /nfs 192.168.1.0/ 24(rw,no_root_squash) It allows all the computers on the 192.168.1.0 network to mount
16%
Installing applications in OpenStack with Murano
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © stylephotographs, 123RF.com
.8, the Django formtools [5] were part of this project and all was well. However, a decision was then made to outsource this part. Although this doesn't necessarily have to be a problem, Fedora 22 no longer
16%
Monitoring container clusters with Prometheus
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Guido Vrola, 123RF.com
in turn stores as a separate time series. The software can already cope with millions of time series, yet version 2.0 [6] should cover more extreme Kubernetes environments with thousands of nodes
16%
Automated OpenStack instance configuration with cloud-init and metadata service
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © jeka81, 123RF.com
: $ curl http://169.254.169.254 1.0 2007-01-19 2007-03-01 2007-08-29 2007-10-10 2007-12-15 2008-02-01 2008-09-01 2009-04-04 The cloud-init package installed on an instance contains utilities for its early
16%
Forensic main memory analysis with Volatility
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © Bruce Rolff, 123RF.com
. To evaluate a memory image, Volatility requires information about the memory layout. A profile must therefore always precisely match the kernel version. The Volatility wiki [12] links to ready-made Linux
16%
Getting a free TLS certificate from Let's Encrypt
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Stuart Miles, 123RF.com
="hanscees@hanscees.con" #adjust 11 12 LECROOT="/etc/letsencrypt/live" 13 mkdir /root/letsencrypt #justincase 14 15 #lets get certs 16 echo "will get the certs now" & sleep 3 17 for i in `echo $DOMAINS` ; do 18 echo "getting certs

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