It's easy. Simply set the environment variable GNUMAKEFLAGS or MAKEFLAGS.
export GNUMAKEFLAGS=-j4
Update locally installed gems.
MAKEFLAGS=-j8 gem update
This technique can be applied to programming languages other than Ruby. For example, the R language library also uses the C++ extension, and these environment variables will speed up the installation.
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Coherence is the first Platform-as-a-Service you can control. Unlike "black-box" platforms that are opinionated about the infra you can deploy, Coherence is powered by CNC, the open-source IaC framework, which offers limitless customization.
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