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9%
Serverless run times with custom Bash AWS Lambda layers
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Eric Gevaert, 123RF.com
_DATA=$1 06 07 # This is the Event Data 08 echo $EVENT_DATA 09 10 # Example of command usage 11 EVENT_JSON=$(echo $EVENT_DATA | jq .) 12 13 # Example of AWS command that's output will show up
9%
Speed up your MySQL database
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Mikhail Dudarev, 123RF.com
your tuning actions. Are you looking for a shorter response time or more throughput? One objective could be, say: "Action X takes 3.5 seconds to complete after clicking – in future, we want to be done
9%
OpenLDAP Workshop
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © tiero, 123RF.com
was also available in the form of X.500, but it was not very widespread in practice. LDAP was originally designed as a protocol for X.500 services. This mutated into the LDAP directory servers that are seen
9%
Red Hat Storage Server 2.1
05.03.2014
Home »  Articles  » 
on weekdays costs no less than 9,000 Euros, while the same cluster with 24x7 support is priced at 14,000 Euros. Realistically, however, no one will operate cloud storage with only two nodes; assuming you have
9%
Sort out your SSH configs
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © saniphoto, fotolia.com
; only your explicitly allowed IP addresses present in /etc/hosts.allow can get that far. Another useful precaution is to kick people off the server who have been idle for 20 minutes (i.e., 1,200 seconds
9%
Machine learning and security
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Vlad Kochelaevskiy, 123RF.com
.sin(periods * 2 * np.pi * t) 12 return max(value, 0.0) 13 else: 14 value = np.sin(periods * 2 * np.pi * t) 15 return max(value, 0.0) 16 17 # building the data vector 18 my_data = [] 19 i = 0 20 while
9%
Logger in HPC System Administration
07.07.2025
Home »  Articles  » 
or incorporated into scripts. Introduction to Logger All of the examples in this article are from a rather dated Ubuntu 20.04 system, although logger  works the same way on current distributions. The basic syntax
9%
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
9%
Processor and Memory Metrics
12.02.2014
Home »  HPC  »  Articles  » 
to measure the 15-minute node load average every few seconds? If the application takes 12 hours to run, do you need to measure the CPU load every two to three seconds? The main result of frequent monitoring
9%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
/iptables -X -t nat 12 /sbin/iptables -X -t mangle 13 /sbin/iptables --flush FORWARD 14 /sbin/iptables --flush INPUT 15 /sbin/iptables --flush OUTPUT 16 17 #exit 18 19 #policies for the chains

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