IT infrastructure and architecture

Booting your Mac has the following key configuration options to boot in different modes by first pressing the Mac's boot key, except in cases where it is indicated not to, and immediately press

To install Windows 10 on a MacBook PRO model A1398 with Intel processor without macOS installed is easily from a USB Flash recovery of a Windows 10, in my case in a Lenovo

I detail the actions to perform to install the macOS High Sierra 10.13 on a MacBook PRO model A1298 with micro Intel, from a bootable USB flash that I prepare in a

In the latest distributions of ubuntu 18.04 and 20.04 that I used have activated the sysemd-resolved that I do not like at all, especially for not allowing me a more particular

To manage authentication to ssh or sftp services I always do it through ssh keys, and I usually generate them with the following ssh-keygen command:ssh-keygen -t rsa -b 4086 -C usersftp@localhost

In the repository of the official list of versions in githab:https://github.com/docker/compose/releasesthere are no versions for armhf. Well, I haven't found them.Therefore, to install docker-compose on a

Run the command:sudo apt install docker.io Once installed we check the version:docker --version Which in my example returns:operatorvm@vmrp01ubuntu2004web:~$ docker --version Docker version 20.10.2, build 20.10.

With a root user or with sudo privileges execute the following:sudo adduser username sudo Example:ubuntu@vmrp01ubuntu2004web:~$ sudo adduser operatorvm sudo Adding user `operatorvm' to group `sudo' ... Adding user operatorvm to group

In this entry we will see how we create a user on an Ubuntu OS 18.04.3 LTS armv71 on a Raspberry Pi 2 Model B+ that can only access a specific

I am going to detail the backup recommendations to follow on a Windows 10. They are logical recommendations that can be followed in the same way on other operating systems like Ubuntu or

Today I encountered the following error that prevented me from deploying the jBPM application to the JBoss Wildfly 19.1.0 server in the business-central.war drop-down:22:04:40,186 INFO [org.

In this entry I detail how I managed to fix this problem that I have had in CentOS 8: 'Metadata corruption detected at xfs_agi_verify. Unmount and run xfs_repair. First 128

This entry details the implementation of a CDC (change data capture) of a Hana database table using triggers at the source database layer to identify the insert, update, and delete changes to that

The TTY console in Ubuntu 18.04.3 is 800x600 by default and it is too small for the use of my virtual machines in VirtualBox where I have them open to see

I work with VirtualBox a lot, and I use a lot of TTY consoles, but I never like the size and type of font that usually appears. For example, the one for Ubuntu

I detail below how to make copies of files and directories using SCP from both remote host to local and vice versa, in all the examples I specify authentication using certificate with the

I always work with many virtual machines that I never close and always save the state of the machine instead of closing it.  Many times I find that I lose the clipboard between

The kafka connect HTTP Sink connector is very useful to be able to send any message from a topic to a remote http service by get or post method. A use case in