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10%
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
10%
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
(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 9
10%
Nagios alerts implemented via VoIP
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Zentilia, 123RF.com
=/opt/pjsua.conf 06 SOUNDFILE=/tmp/alert.wav 07 TEXT2WAVE=/usr/bin/text2wave 08 DURATION=20 09 NUMBER=01234567890 10 MESSAGE="Monitoring Alert" 11 12 # Setting a lock file 13 # We can't make more than one call 14
10%
Single sign-on like the big guys
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
Lead Image © Sergey Nivens, 123RF.com
.4' 02 services: 03 keycloak: 04 container_name: keycloak 05 image: quay.io/keycloak/keycloak:17.0.1 06 ports: 07 - 8080:8080 08 environment: 09 - KEYCLOAK
10%
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
10%
Build a honeypot with real-world alerts
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Bruce Rolff, 123RF.com
:FORWARD ACCEPT [0:0] 05 :OUTPUT ACCEPT [125:13440] 06 -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT 07 -A INPUT -p icmp -j ACCEPT 08 -A INPUT -i lo -j ACCEPT 09 -A INPUT -p tcp -m state --state
10%
Get Started with Parallel CPython
07.11.2011
Home »  HPC  »  Articles  » 
 if '__main__' == __name__: 09  10     p1 = Process(target = test, args = ('Rich',)) 11     p2 = Process(target = test, args = ('Nus',)) 12     p3 = Process(target = test, args = ('Geeks',)) 13  14     p2
10%
Jenkins Configuration as Code
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Amri Wolfgang, 123RF.com
-jdk-alpine 02 03 RUN apk add --no-cache git openssh-client curl bash # for Jenkins AWT 04 ttf-dejavu 05 06 ARG JENKINS_USER=jenkins 07 ARG UID=1000 08 ARG HTTP_PORT=8080 09 ARG JENKINS
10%
Infrastructure as Code with Terraform
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © Sebastian Duda, 123RF.com
variable "site_author" { 07 type = "string" 08 default = "Jon Doe" 09 } 10 variable "site_container" {} 11 variable "do_token" { 12 type = "string" 13 } 14 variable "key_path" {} 15 variable "ssh
10%
Data Analysis with R and Python
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © mopic, 123RF.com
return float(val) 08 except: 09 return None 10 11 with open(sys.argv[1]) as csvfile: 12 collec = MongoClient()["galaxy"]["comets"] 13 for row in csv.reader(csvfile, delimiter="\t"): 14 try

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