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20%
Monitoring Performance with sar
05.03.2014
Home »  Articles  » 
 3.5.0-44-generic (hercules)         03.12.2013      _x86_64_        (2 CPU)    09:46:03      runq-sz  plist-sz   ldavg-1   ldavg-5  ldavg-15   blocked 09:46:13            1       468      0.02      0.06      0.14         0
20%
Collecting and evaluating performance data over a period of time
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Sergey Nivens, 123RF.com
) w Task creation and task-switching activity y TTY activities Listing 1 Query with Interval and Number jcb@hercules:# sar -q 10 2 Linux 3.5.0-44-generic
20%
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
(msg.payload)) 07 08 mqtt = paho.Client() 09 mqtt.on_message = on_message 10 11 mqtt.connect("localhost", 1883, 60) 12 mqtt.subscribe("linux/+", 0) 13 14 mqtt.loop_forever() The client now connects
20%
Backups using rdiff-backup and rsnapshot
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Dmitry Pichugin, Fotolia.com
DestinationSizeChange 41943106 (40.0 MB) Another view of the file statistics lists which file effected the change: # gunzip -c /mnt/backup/rdiff-backup-data/file_statistics.\ 2015-03-15T10\:44\:06+01\:00.data.gz | awk '$2
20%
CRI-O and Kubernetes Security
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © Corina Rosu, 123rf.com
cri-o-${CRIO_VERSION} The following NEW packages will be installed cri-o-1.17 0 to upgrade, 1 to newly install, 0 to remove and 0 not to upgrade. Need to get 17.3 MB of archives. After this operation
20%
Service discovery, monitoring, load balancing, and more with Consul
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Lead Image © Ringizzz, 123RF.com
"data_dir": "/var/consul", 08 "datacenter": "Datacenter-A", 09 "disable_update_check": true, 10 "enable_script_checks": true, 11 "enable_syslog": true, 12 "encrypt": "xxxxxxxxxxxxxx
20%
Nagios Passive Checks
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Lisa Young, 123RF.com
script showing the passive check. Listing 10 Passive Check Bash Script 01 #!/bin/bash 02 03 mysqldump and so on 04 05 EL=$? 06 07 if [ $EL -ne 0 ] 08 then 09 MESSAGE
20%
Machine learning and security
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Vlad Kochelaevskiy, 123RF.com
of 'days' 06 07 # function to produce base sine data 08 # with a 7th of the base frequency overlap 09 def data_w_weekend(t): 10 if np.sin(periods / 7 * 2 * np.pi * t) > 0.5: 11 value = 0.001 * np
20%
Thread processing in Python
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Christos Georghiou, 123RF.com
_function 02 03 import pymp 04 05 ex_array = pymp.shared.array((100,), dtype='uint8') 06 with pymp.Parallel(4) as p: 07 for index in p.range(0, 100): 08 ex_array[index] = 1 09 # The parallel print
19%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
Home »  HPC  »  Articles  » 
================================================================================================================================================ Installing: basesystem noarch 10.0-4.el6 sl 3.6 k bash x86

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