Using Liquibase with Kubernetes

Using Liquibase with Kubernetes

development

If you’re using Liquibase for database versioning with Kubernetes to deploy your app, you might have faced an issue when a migration gets stuck because Liquibase can’t acquire lock. It might look somewhat like this:

liquibase.exception.LockException: Could not acquire change log lock.  Currently locked by LockOwner ...
        at liquibase.lockservice.StandardLockService.waitForLock(StandardLockService.java:236)
        at liquibase.Liquibase.update(Liquibase.java:184)
        at liquibase.Liquibase.update(Liquibase.java:179)Code language: Properties (properties)
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How to unblock yourself

How to unblock yourself

development management

It’s not uncommon for a software engineer to find themself blocked. The reasons might vary: it could be a high uncertainty, when it’s unclear how exactly to implement the feature; or it could be a tech decision to take having multiple options with their own pros and cons. With this article I want to share the way I take decisions in such cases and how it might help you to unblock yourself.

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How to control ThinkPad P14s fan speed in Linux

How to control ThinkPad P14s’ fan speed in Linux

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linux offtopic

Recently I got a new laptop for work – Lenovo ThinkPad P14s (Gen 2). I prefer running Linux on my working machines, and this one is not an exclusion. While using it I noticed that the fan speed is sometimes too high for no reason creating undesirable noise. Here’s how to control ThinkPad P14s’ fan speed in Linux using a nice tool – thinkfan.

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Ubuntu 21.10 Impish Indri

Ubuntu 21.10 and acpi-call-dkms bug

13 comments
linux offtopic

If you’re using a ThinkPad laptop with Ubuntu Linux, you might be probably also using a package called acpi-call-dkms. This package installs a kernel module that provides a way for software to do ACPI calls. One of the most popular program to use it – is TLP.

Unfortunately with the latest release of Ubuntu – 21.10 Impish Indri this package is partially broken, as it doesn’t seem to work with Linux kernel 5.13 because of a bug.

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