neklaf

Format an external hard drive from command line on macOS

Using the following command you're able to share the content inside the external disk with other Operating Systems, because we are going to create a partition with ExFAT (better write performance on macOS than NTFS):

$ diskutil eraseDisk ExFAT CleanDrive /dev/disk2
Started erase on disk2
Unmounting disk
Creating the partition map
Waiting for partitions to activate

neklaf

#Effective Communication

---

Prepare the conversation.

• Why are we having this conversation?
  Your time is valuable, other people's time is valuable. If you need to use this time, the least you can do is to prepare it. Things such as "what do you want to achieve?", "What info you need to give?", and all following...
• What do you expect from the meeting?
  How many times do you go to a meeting without thinking what's the outcome you want from it?
• Try to understand the audience.:
• How can I get to my audience better?.

neklaf

Installation instructions (to Debian GNU/Linux)

Anaconda installation

https://www.anaconda.com/products/individual#linux

Download Anaconda3-2020.02-Linux-x86_64.sh from Anaconda download page for Linux:

$ chmod u+x Anaconda3-2020.02-Linux-x86_64.sh
$ ./Anaconda3-2020.02-Linux-x86_64.sh
$ export PATH=~/anaconda3/bin:$PATH

neklaf

Installing Kubernetes on ArchLinux

Packages

pacman -S curl docker ebtables ethtool wget unzip

Also cfssl is needed but available on AUR, using pacaur

pacaur -S cfssl

neklaf

Install

# apt install unattended-upgrades

Enable

$ grep -v -e "//" /etc/apt/apt.conf.d/50unattended-upgrades
Unattended-Upgrade::Origins-Pattern {
 "origin=Debian,codename=${distro_codename},label=Debian";

neklaf

Creating directory structure

$ mkdir -p newdeb olddeb/DEBIAN

Extracting package content:

$ dpkg-deb -x libapache2-mod-auth-openidc_2.4.1-1.buster+1_amd64.deb olddeb/

Extract control information files

$ dpkg-deb -e libapache2-mod-auth-openidc_2.4.1-1.buster+1_amd64.deb olddeb/DEBIAN

Checking package directory structure

neklaf

A non persistent way across reboots to change the DNS:

# scutil
> open
> d.init
> d.add ServerAddresses * 8.8.8.8 9.9.9.9
> set State:/Network/Service/PRIMARY_SERVICE_ID/DNS
> quit

To check the change:

neklaf

CMUS

CMUS is a ncurses-based audio player which is very configurable with Vi-like commands.

Installation

$ brew install cmus

Adding a folder to our Library

:add /path/to/folder/

Save a playlist

neklaf

Pull the docker image to inspect and save it as a tar file:

docker pull gcr.io/distroless/base-debian10:latest`
docker image save gcr.io/distroless/base-debian10:latest > distroless.tar
mkdir distroless && cd distroless
tar xvf distroless.tar
x 0032743b1e18b361a1fd10656b43c18ec1704ec372242f4baf40b06364fb6c49/
x 0032743b1e18b361a1fd10656b43c18ec1704ec372242f4baf40b06364fb6c49/VERSION
x 0032743b1e18b361a1fd10656b43c18ec1704ec372242f4baf40b06364fb6c49/json
x 0032743b1e18b361a1fd10656b43c18ec1704ec372242f4baf40b06364fb6c49/layer.tar

neklaf

List all network services

networksetup -listallnetworkservices An asterisk (*) denotes that a network service is disabled. USB 10/100/1000 LAN USB 10/100/1000 LAN 2 USB 10/100/1000 LAN 3 USB 10/100/1000 LAN 4 USB 10/100/1000 LAN 5 Wi-Fi