on I’ve had this issue a couple of times and I formulated a devops-stackexchange question eventually. Although I do not yet really have a way to debug the NEW state, there is some information there: Docker container stuck in “new” state – Docker swarm – service stack
on It’s quite easy. It’s also basically not findable on the web. Probably because a simple Provides the answer.
on Check Jenkins’ own documentation for an unnecessarily complicated but at least almost complete overview of available input declarations: https://jenkins.io/doc/pipeline/steps/pipeline-input-step/ Get a list of available types here: https://github.com/jenkinsci/extended-choice-parameter-plugin/blob/master/src/main/java/com/cwctravel/hudson/plugins/extended_choice_parameter/ExtendedChoiceParameterDefinition.java#L90 Get a list of all parameters of the ExtendedChoiceParamterDefinition here: https://github.com/jenkinsci/extended-choice-parameter-plugin/blob/master/src/main/java/com/cwctravel/hudson/plugins/extended_choice_parameter/ExtendedChoiceParameterDefinition.java#L344 This SO was useful to get an idea of how to use it in pipelines and resulted… Continue Reading use jenkin’s ExtendedChoiceParameterDefinition for multi-select user input
on Docker gave me this error today when running a Running the build command manually instead of using docker-compose gave me: The issue is with the image tag: “:1.16:1“. It must be “:1.16.1“. Just as a reminder of how important it is to be thorough and, of course, what the error might mean if you encounter… Continue Reading ERROR: Service failed to build: invalid reference format
on Because since recently, whenever I update Docker, my docker-machine command is gone and I keep forgetting how to re-install it: This is to save time next time it happens. Instructions provided on docker/machine Github.
on This is just a repost so I remember. When talking SMTP via a PHP script with a webserver, remember to initiate with “EHLO” instead of the usual “HELO”. HELO does not allow for STARTTLS. Details: fwrite(): SSL operation failed with code 1. OpenSSL Error messages:error:1420C0CF:SSL routines:ssl_write_internal:protocol is shutdown
on Basically this: How to add Certificate Authority file in CentOS 7 But more importantly: Check if the so installed new CA has made it into the recognized system CAs by doing this: Reference: How do I list all available SSL CA certificates on CentOS 6
on These shortcuts and functions in iterm2 just made my life so much easier: clear buffer Cmd + k clear lines (Bash command) Ctrl + l input to all panes in current tab Cmd + Alt + i I clear panes quite often when working with containers and I usually have quite a number of panes open. Being able… Continue Reading clear all open panes in iterm2
on This is probably one of the best posts:https://www.rootusers.com/how-to-increase-the-size-of-a-linux-lvm-by-expanding-the-virtual-machine-disk/ Just a collection of some links that I found nifty, dealing with disks on Linux: fdisk -l or parted -l, lsblk (aka list block devices)List all hard disks connected to a CentOS system – lshwCheck for hard disk errors / signs of failure on CentOS ServerCentOS /… Continue Reading managing disks and using lvm (and other tools)
on If you ever feel like the world is falling apart, that every outlook is pessimistic, keep in mind that: Now this does NOT mean that complacency should be your aim. Always stay critical. But do a situation check from time to time, to keep in touch.