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17%
ISC 2024 from a Distance
10.06.2024
Home »  HPC  »  Articles  » 
in gigaflops per watt over time. The first Green500 list was in June 2013. The number 1 system used GPUs even then (NVIDIA K20 with QDR InfiniBand). The energy efficiency was 3,208.8Mflops/W (0.32Gflops
17%
Docker and Podman environments on Windows and Mac machines
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © bowie15 , 123RF.com
.14, although you can still resort to Docker Machine [3] in this case, which creates a virtual Linux system on the local host that you can then use to access the Docker engine. The example in Figure 1 uses
17%
Netcat – The Admin’s Best Friend
20.08.2012
Home »  Articles  » 
 
examplehost.tld 22 If firewalling is in place and you need to originate your connection from a specific IP address to open a port, entering # nc -s 1.2.3.4 examplehost.tld 8181 will connect to examplhost
17%
Monitoring container clusters with Prometheus
09.10.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Guido Vrola, 123RF.com
environment provides impressions of the insights Prometheus delivers into a Kubernetes installation. The Prometheus configuration is oriented on the official example [3]. When querying metrics from
17%
ZFS on Linux helps if the ZFS FUSE service refuses to work
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © Luis Louro, 123RF.com
in the form of a master boot record (MBR) or a GUID partition table (GPT) [3]. The tricks the expert used to revive RAID systems (Figure  1) did not help: Neither fdisk nor mmls – the forensic counterpart from
17%
Cloud security with AWS GuardDuty
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Amy Walters, 123RF.com
grants permissions to enable GuardDuty. If some instances expose ports like 22 or 3389 to the world (0.0.0.0/0), you should soon see some findings of malicious IPs trying to get into your systems
17%
Jira, Confluence, and GitLab
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © Iaroslav Neliubov, 123RF.com
_python_interpreter variables ideally remain unchanged: They cause Python to connect to the host on standard SSH port 22 and to use Python 3 when calling commands on the target system. Next, check whether the devops.hosts setup
17%
Exchange Web Services for Mailbox Access
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © Paul Herbert, 123RF.com
will be based on state-of-art authentication with Active Directory Authentication Library (ADAL) and OAuth 2.0 [3]. Getting Started with Exchange Web Services Since Exchange 2007, Microsoft has recommended
17%
Integrating FreeIPA with Active Directory
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © payphoto, 123RF.com
, klist Ticket cache: KEYRING:persistent:0:0 Default principal: mucuser@COE.MUC.REDHAT.COM displays the Kerberos tickets issued for the Windows user on the logged-on host. Considering or Ignoring POSIX
17%
Kolab iRony with CalDAV and CardDAV support
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Pablo Hidalgo, 123RF.com
installation of Kolab 3.0 and later is a matter of one or two cups of coffee and does not impose too many requirements on the admin. The Kolab developers recommend a recent CentOS (preferably 6.4) as the basis ... Open standards and open source are requisite in Kolab groupware. The alpha release of version 3.1 hugely extended the number of compatible clients with the CalDAV and CardDAV protocols, making Kolab

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