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…
Tag: bash
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 $(aws elasticbeanstalk describe-environment-resources –environment-name…
Docker: How to copy file from container to local computer
Task: Copy some file from container to local computer Solution: docker cp <container>:<path><filename.ext> <localpath> Example: docker cp nginx:/var/log/mylog.log . Done.
How to play mp3 file from osX console
Task: Play mp3 file from osX console Implementation: Use internal player: afplay file.mp3 Useful parameter: -r <rate> – set playback…
Howto monitor AWS EC2 instance status in bash script
Task: Monitor instance status in bash script Implementation: #!/bin/bash instanceID=i-… # your instance ID # Get instance status… instanceStatus=$(aws ec2…
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)…
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…
Script to prepare iPod audiobook on ubuntu from mp3 files
Task: create iPod audiobooks on linux (Ubuntu) with tempo = 1.5 Solution: Run this script in the directory with mp3…
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…
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…
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…