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ScAlAn

Scientific Algorithms and Analytics

Tag: DevOps (page 3)

jMeter set num of threads and duration in CLI

Task: run test with different threads count and duration time Implementation: Set parameter value to “${__P(propName, defaultValue)}” in the test…
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Posted on: April 8, 2021 Last updated on: March 4, 2021 Comments: 0 Written by: Alex

AWS BeansTalk add Nginx logrotate config

Task: Add configuration file with Nginx logrotate Implementation: Add file ./.ebextensions/logrotate.config Done.
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Posted on: March 18, 2021 Last updated on: March 12, 2021 Comments: 0 Written by: Alex

How to clear CloudWatch client cache

Task: clear Cloud Watch client mon-put-instance-data.pl data Solution: Remove all files with subdirectories in the /var/tmp/aws-mon directory. Done.
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Posted on: February 28, 2021 Last updated on: January 18, 2021 Comments: 0 Written by: Alex

Raspberry Pi Virtual keyboard

Task: Add Virtual (screen) keyboard on Raspberry Pi device Implementation: Install virtual keyboard application Add a Virtual Keyboard Toggle to…
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Posted on: February 24, 2021 Last updated on: February 24, 2021 Comments: 0 Written by: Alex

Fix upgrade Jenkins on Ubuntu

While I am updating Jenkins server – see: How to fix: Output: Try to upgrade: Done.
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Posted on: January 25, 2021 Last updated on: February 25, 2021 Comments: 0 Written by: Alex

Howto monitor AWS EC2 instance status in bash script

Task: Monitor instance status in bash script Implementation: #!/bin/bash instanceID=i-… # your instance ID # Get instance status… instanceStatus=$(aws ec2…
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Posted on: January 18, 2021 Last updated on: December 24, 2020 Comments: 0 Written by: Alex

Howto make redirect http to https on your php site

Task: Make redirect from http to https on your php site Implementation: Add this code at the top of your…
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Posted on: January 12, 2021 Last updated on: December 24, 2020 Comments: 0 Written by: Alex

Howto get list of directories and their size in Linux

Task: Get lust of directories and their size Solution: du -sh * With hidden directories: sudo du -sh $(ls -A)…
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Posted on: December 19, 2020 Last updated on: December 23, 2020 Comments: 0 Written by: Alex

Howto wait beanstalk environment to be ready

Task: Implement loop to wait till AWS BeansTalk environment will be ready Implementation: #!/bin/bash echo ‘Waiting…’ status=” iterations=0 maxiterations=20 while…
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Posted on: December 19, 2020 Last updated on: December 23, 2020 Comments: 0 Written by: Alex

Howto Jenkins+Jmeter HTML reports

Task: Fix display JMeter reports on the resource page Fix: Modify /etc/default/jenkins file to: … # Allow graphs etc. to…
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Posted on: November 22, 2020 Last updated on: December 23, 2020 Comments: 0 Written by: Alex

Howto setup nginx+Jenkins+SSL+SSH on EC2 ubuntu

Task: Setup Jenkins on EC2 Ubuntu Implementation steps: Update Ubuntu and install nginx: sudo apt updatesudo apt upgradesudo apt install…
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Posted on: November 17, 2020 Last updated on: December 23, 2020 Comments: 0 Written by: Alex

Howto check site working in the Jenkins pipeline

Task: Check site working (response code = 200) in the Jenkins pipeline step Implementation sh script: url=’https://scalan.com’ attempts=5 timeout=10 online=false…
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Posted on: November 10, 2020 Last updated on: December 23, 2020 Comments: 0 Written by: Alex
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