Java: Prepare pem keys objects from strings
Task: Prepare Personal, Public and Certificate keys from strings Implementation: Done.
Category: Posts (page 4)
Java: Find first file in the directory and return its name
Task: Search files by mask and return first name Implementation: Done.
How to execute SQLs in the docker Postgres db
Task: Write script to execute SQL commands in the docker Prostgers DB Script: Import dump file: Done.
How to Set all directories to 755 and all files to 644
Task: set different attributes for files and directories Solution: Done.
Service to gather sports data
Project duration: 2 years.
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…
Install Java on Raspberry Pi
Task: Install Java on Raspberry Pi Implementation: Update system:sudo apt updatesudo apt upgradeInstall java:sudo apt install default-jdkCheck it working:java -version…
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…
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…
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…
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…
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.…