Getting bash: /usr/local/bin/npm: No such file or directory on Linux [New Question]

A quick question, answered on Heelpbook, about “Getting bash: /usr/local/bin/npm: No such file or directory on Linux”, that prevents the usage of npm utility, even if completely reinstalled, in some cases. Read More …

Segmentation Fault using yarn (Linux) [New Question]

A quick question, answered on Heelpbook, about “Segmentation Fault using yarn (Linux)”, that prevents the usage of yarn utility, that is used to use and share code with other developers from around the world. Read More …

Rename an existing PostgreSQL Database

Renaming a PostgreSQL is one of the activities that could be necessary during a normal database lifecycle, sometimes due to testing or development related activities linked to a pre-existing database. Let’s see which PL/pgSQL statement we can use to rename a database. Read More …

Downgrade nodejs when needed using CLI [New Question]

A quick question, answered on Heelpbook, about how to “Downgrade nodejs when needed using CLI”, on both Windows and Linux platforms. Here two available methods (they are not the only ones) to downgrade nodejs (and npm) using command line approach. Read More …

How to generate a Diffie-Hellman 4096-bit Key in less time [New Question]

A quick question, answered on Heelpbook, about “How to generate a Diffie-Hellman 4096-bit Key in less time”. This can save time when we need to generate a DH 4096 bit key on a Linux system, usually used to harden a SSL/TLS configuration for web servers, but also used for SSH, IPSec, SMTPS protocols. Read More …