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Blog 2020/9/1

Quick-n-dirty QEMU script to spin up Debian on various CPU's

This script downloads one of the QEMU images from https://people.debian.org/~aurel32/qemu/ and boots up a vm.

`vs` Questions

http://stackoverflow.com/questions/804115 (rebase vs merge).
https://www.atlassian.com/git/tutorials/merging-vs-rebasing (rebase vs merge)
https://www.atlassian.com/git/tutorials/undoing-changes/ (reset vs checkout vs revert)
http://stackoverflow.com/questions/2221658 (HEAD^ vs HEAD~) (See git rev-parse)
http://stackoverflow.com/questions/292357 (pull vs fetch)
http://stackoverflow.com/questions/39651 (stash vs branch)
http://stackoverflow.com/questions/8358035 (reset vs checkout vs revert)

Deploying rEFInd on Ubuntu 16.04 LTS with secure boot enabled

Hello guys,

For these dual-booting Ubuntu 16.04 with an alternate operating system in UEFI boot mode, it may often be necessary to use a third-party boot manager such as rEFInd, as it's significantly superior to grub2's on UEFI-capable systems.

This write-up assumes that:

(a). The user is running a current Ubuntu 16.04LTS operating system installation (preferably on a dual-boot system)

How to create Telegram Bot and send messages to your group

Create Telegram bot:

Search for user @BotFather in Telegram app. Type /help in BotFather chat and wait for the reply. Type in the chat:

/newbot

or select /newbot command from Help text. Answer few setup questions:

How to use Bitwarden CLI with macOS Touch ID

If you want to use Bitwarden CLI for ssh have a look at: How to use use Bitwarden CLI for SSH-Keys in macOS

Wirtten and tested on macOS Ventura

Configure Touch ID for the `sudo` command

To allow Touch ID on your Mac to authenticate you for sudo access instead of a password you need to do the following.

	----- Esc -----
	Quick change directory: Esc + c
	Quick change directory history: Esc + c and then Esc + h
	Quick change directory previous entry: Esc + c and then Esc + p
	Command line history: Esc + h
	Command line previous command: Esc + p
	View change: Esc + t (each time you do this shortcut a new directory view will appear)
	Print current working directory in command line: Esc + a
	Switch between background command line and MC: Ctrl + o
	Search/Go to directory in active panel: Esc + s / Ctrl + s then start typing directory name

	git init # 初始化本地git仓库（创建新仓库）
	git config --global user.name "xxx" # 配置用户名
	git config --global user.email "xxx@xxx.com" # 配置邮件
	git config --global color.ui true # git status等命令自动着色
	git config --global color.status auto
	git config --global color.diff auto
	git config --global color.branch auto
	git config --global color.interactive auto
	git config --global --unset http.proxy # remove proxy configuration on git
	git clone git+ssh://git@192.168.53.168/VT.git # clone远程仓库

	struct ScrollViewOffsetPreferenceKey: PreferenceKey {
	static var defaultValue: CGPoint = .zero

	static func reduce(value: inout CGPoint, nextValue: () -> CGPoint) {
	value = nextValue()
	print("value = \(value)")
	}

	typealias Value = CGPoint

	More recent resolution:

	1. cd ~/../../etc (go to etc folder in WSL).
	2. echo "[network]" \| sudo tee wsl.conf (Create wsl.conf file and add the first line).
	3. echo "generateResolvConf = false" \| sudo tee -a wsl.conf (Append wsl.conf the next line).
	4. wsl --terminate Debian (Terminate WSL in Windows cmd, in case is Ubuntu not Debian).
	5. cd ~/../../etc (go to etc folder in WSL).
	6. sudo rm -Rf resolv.conf (Delete the resolv.conf file).
	7. In windows cmd, ps or terminal with the vpn connected do: Get-NetIPInterface or ipconfig /all for get the dns primary and
	secondary.

	[System.Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes("SecretMessage"))
	[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String("U2VjcmV0TWVzc2FnZQ=="))