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ScAlAn

Scientific Algorythms and Analytics

Category: Posts

Service to gather sports data

Task: Gather data from different sources, combine them in one place and share as a REST service Language: Java, SpringBoot…
Continue reading “Service to gather sports data”…
Posted on: June 28, 2022 Last updated on: June 28, 2022 Comments: 0 Written by: Alex

Python get wind speed and direction and display them on the clock

Task: Get wind speed and direction and display them on my clock’s screen Implementation: Result you can see on this…
Continue reading “Python get wind speed and direction and display them on the clock”…
Posted on: May 11, 2022 Last updated on: May 22, 2022 Comments: 0 Written by: Alex

Install Java on Raspberry Pi

Task: Install Java on Raspberry Pi Implementation: Update system:sudo apt updatesudo apt upgrade Install java:sudo apt install default-jdk Check it…
Continue reading “Install Java on Raspberry Pi”…
Posted on: April 21, 2022 Last updated on: April 21, 2022 Comments: 0 Written by: Alex

Monitor periodically linux ordered processes

Task: Monitor processes on the linux instance order by CPU usage Solution Use next command (displays top 15 rows): ps…
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Posted on: November 24, 2021 Last updated on: November 24, 2021 Comments: 0 Written by: Alex

Linux check if server exists by IP and port

Task: Check if server exists by IP and port in the Jenkins Job before connect to it by SSH in…
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Posted on: November 2, 2021 Last updated on: November 2, 2021 Comments: 0 Written by: Alex

AWS get list of ec2 ids by beanstalk environment name

Task: Get list of EC2 instances Id(s) by beanstalk environment name Solution: envname=”wp-env” for ec2Id in $(aws elasticbeanstalk describe-environment-resources –environment-name…
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Posted on: October 29, 2021 Last updated on: October 29, 2021 Comments: 0 Written by: Alex

Linux: /dev/ttyUSB0: Permission denied

Problem: Can’t connect to the Arduino device. Solution: Run next command(s) under root user: usermod -a -G dialout scalan usermod…
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Posted on: September 21, 2021 Last updated on: September 21, 2021 Comments: 0 Written by: Alex

Liquibase: Index.exists exception fix

Task: Fix index exists precondition exception Solution: Instead of using index exists liquibase tag use sql to check index exists.…
Continue reading “Liquibase: Index.exists exception fix”…
Posted on: September 20, 2021 Last updated on: September 20, 2021 Comments: 0 Written by: Alex

Docker: How to copy file from container to local computer

Task: Copy some file from container to local computer Solution: docker cp <container>:<path><filename.ext> <localpath> Example: docker cp nginx:/var/log/mylog.log . Done.
Continue reading “Docker: How to copy file from container to local computer”…
Posted on: September 1, 2021 Last updated on: September 1, 2021 Comments: 0 Written by: Alex

Git: How to compare two branches

Task: Compare two different git branches Solution: git diff branch1 branch2 Note: compare by specific file type git diff branch1…
Continue reading “Git: How to compare two branches”…
Posted on: August 26, 2021 Last updated on: August 26, 2021 Comments: 0 Written by: Alex

Windows 10: How to turn off UI animations

Task: Turn off UI animations Solution: Open the Display Settings by pressing the <Windows logo key> + <U>; Under “Simplify…
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Posted on: August 20, 2021 Last updated on: August 26, 2021 Comments: 0 Written by: Alex

NetBeans: How to set UI font size

Task: Increase Netbeans UI font size Implementation: Open netbeans.conf file (etc folder) and add “–fontsize 28” to netbeans_default_options value. Example:…
Continue reading “NetBeans: How to set UI font size”…
Posted on: August 18, 2021 Last updated on: August 18, 2021 Comments: 0 Written by: Alex
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Recent Posts

  • Service to gather sports data
  • JPA SpringBoot Find by id of related object
  • Script to scrape data from panoramafirm.pl 2022
  • Python get wind speed and direction and display them on the clock
  • Install Java on Raspberry Pi
  • Monitor periodically linux ordered processes
  • Linux check if server exists by IP and port
  • AWS get list of ec2 ids by beanstalk environment name
  • Linux: /dev/ttyUSB0: Permission denied
  • Liquibase: Index.exists exception fix

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