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17%
Sort out your SSH configs
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © saniphoto, fotolia.com
and the other on all IPv6 IP addresses. Listing 1 Checking Open Ports chris@DebianBox:~# lsof -i :22 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME sshd 3328 root 3r IPv4 33323 0t0 TCP *:ssh
17%
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
17%
Goodbye virtual machines, hello microVMs
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Eric Froehling on Unsplash
of this series with Footloose for automation. To begin, grab the Footloose binary from the GitHub project site [6], if you haven't set it up already, and create the YAML file shown in Listing 1 in the directory
17%
Verifying your configuration
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
Lead Image © Kritiya Sumpun, 123RF.com
: lt: 90 port: tcp:22: listening: true ip: - 0.0.0.0 tcp6:22: listening: true ip: - '::' user: sshd: exists: true package: docker-ce: installed: true service
17%
Free Enterprise Backup with Bareos
12.11.2013
Home »  Articles  » 
 director ... Terminated Jobs:  JobId Level Files Bytes Status Finished Name =====================================================  1 Full 135 6.679 M OK 18-Jul-13 16:00 BackupClient1  2 Incr  0  0       OK
17%
Profiling Is the Key to Survival
19.12.2012
Home »  HPC  »  Articles  » 
has the following specifications: 4 cores at 3.8GHz (turbo to 4.2GHz) 4MB L2 cache 384 Radeon cores 800MHz GPU clock speed DDR3 1866MHz memory 100W Putting both the CPU
17%
NVDIMM Persistent Memory
22.09.2016
Home »  HPC  »  Articles  » 
. Testing with Linux You can test NVDIMM on a Linux system as of kernel 4.1, but versions 4.6 or later are recommended. If you like, you can emulate NVDIMM hardware without the physical hardware using Qemu
17%
Using the MQTT IoT protocol for unusual but useful purposes
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Heiko Küverling, 123RF.com
. Clients don't actually know whether they really see all the messages that arrive at the broker; the broker ACLS decide this. Messages transport payloads; payload data can also be binary and be up to 256MB
17%
System logging for data-based answers
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © Gerard Boissinot, Fotolia.com
). If you want or need more granular data than uptime provides for CPU monitoring, I would suggest using mpstat [5], which is part of the sysstat [6] package included in many distributions. The mpstat
17%
Network simulation with GNS3
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Joseasreyes, 123RF.com
. In the next step, 128MB of RAM are provided by default for the Cisco operating system. The wizard opens the Cisco Image Navigator in the standard browser to keep you from leaving out the settings here

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