iamcryptoki’s gists

iamcryptoki / set-default-grub.txt

Created September 24, 2018 10:29

Set default kernel in GRUB.

	$ grep '^menuentry' /boot/grub2/grub.cfg

	# Open '/etc/default/grub', and set GRUB_DEFAULT to the numeric entry value for the kernel you choose as the default.
	GRUB_DEFAULT=0

	# Re-generate GRUB configuration.
	$ grub2-mkconfig -o /boot/grub2/grub.cfg

	$ reboot

iamcryptoki / vscode-update-permission-denied.txt

Created December 14, 2018 19:46

Fix Visual Studio Code update error "Could not create temporary directory: Permission denied" on macOS.

	sudo rm -Rf ~/Library/Caches/com.microsoft.VSCode.ShipIt
	sudo rm -Rf ~/Library/Caches/com.microsoft.VSCodeInsiders.ShipIt

iamcryptoki / update-git-submodule.txt

Created December 27, 2018 07:57

Update a git submodule version to latest.

	git pull --recurse-submodules
	git submodule update --remote --recursive

iamcryptoki / create-pfx-cert.txt

Created January 25, 2019 09:12

Create a .pfx/.p12 certificate file.

openssl pkcs12 -export -out certificate.pfx -inkey private.key -in certificate.crt -certfile more.crt

iamcryptoki / AccountLayout.js

Last active February 14, 2019 15:19

Routes and layouts in React 16.

	// ./account/components/AccountLayout.js

	import React, { Component } from 'react';

	class AccountLayout extends Component {
	render() {
	return (
	<div className="EXEMPLE_ACCOUNT_LAYOUT">
	{this.props.children}
	</div>

iamcryptoki / pypi.txt

Created June 12, 2019 09:58

Upload Python package to Pypi

	$ cd path/to/your/package
	$ python setup.py sdist

	$ pip install twine
	# twine upload --repository-url https://test.pypi.org/legacy/ dist/*
	$ twine upload dist/*

	# twine upload --repository testpypi dist/*
	# pip install --index-url https://test.pypi.org/simple/ <YOUR_PACKAGE>
	$ pip install <YOUR_PACKAGE>

iamcryptoki / centos7_ports_docker_swarm.txt

Created June 21, 2019 12:48

CentOS 7: Docker Swarm required ports for a swarm cluster to work properly.

	firewall-cmd --permanent --add-port=2376/tcp
	firewall-cmd --permanent --add-port=2377/tcp
	firewall-cmd --permanent --add-port=7946/tcp
	firewall-cmd --permanent --add-port=80/tcp
	firewall-cmd --permanent --add-port=7946/udp
	firewall-cmd --permanent --add-port=4789/udp

	firewall-cmd --reload
	systemctl restart docker

iamcryptoki / fedora_error_activation_network_connection_failed.txt

Last active August 22, 2023 19:44

Fedora Wi-Fi error on Mac : Fedora activation of network connection failed

	$ sudo nano /etc/NetworkManager/NetworkManager.conf
	'''
	[device]
	wifi.scan-rand-mac-address=no
	'''

	$ sudo ip link set <NETWORK_NAME> up

iamcryptoki / fix-sysctl.txt

Created July 29, 2019 09:20

Fix sysctl: cannot stat /proc/sys/net/bridge/bridge-nf-call-iptables.

	$ modprobe bridge
	$ echo "net.bridge.bridge-nf-call-iptables = 1" >> /etc/sysctl.conf
	$ sysctl -p /etc/sysctl.conf

	sysctl: cannot stat /proc/sys/net/bridge/bridge-nf-call-iptables: No such file or directory sysctl: cannot stat /proc/sys/net/bridge/bridge-nf-call-ip6tables: No such file or directory

	# SOLUTION
	$ modprobe br_netfilter
	$ sysctl -p /etc/sysctl.conf

iamcryptoki / export-restore-kubernetes-mysql-database.txt

Created November 5, 2019 13:28

Export MySQL database from Kubernetes pod.

	# Export dump particular database.
	$ kubectl exec {{podName}} -n {{namespace}} -- mysqldump -u {{dbUser}} -p{{password}} {{DatabaseName}} > <scriptName>.sql

	# Export dump all databases.
	$ kubectl exec {{podName}} -n {{namespace}} -- mysqldump -u {{dbUser}} -p{{password}} --all-databases > <scriptName>.sql

	# Restore a database from a dump.
	$ kubectl exec -it {{podName}} -n {{namespace}} -- mysql -u {{dbUser}} -p{{password}} {{DatabaseName}} < <scriptName>.sql

Gael Gentil iamcryptoki