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Configure Git to use a proxy

In Brief

You may need to configure a proxy server if you're having trouble cloning or fetching from a remote repository or getting an error like unable to access '...' Couldn't resolve host '...'.

Consider something like:

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"""
单词默写表格生成小工具
读取包含了单词以及中文释义两列的 Excel 文件（也可以是 csv 文件）
然后按照 A4 纸大小排列可这翻折的单词默写表格形式
每页 48 个单词，每个单词都需要默写中文释义以及中文对应的单词
"""
import pandas as pd
import openpyxl
from openpyxl.styles import Alignment, Border, Side
from openpyxl.worksheet.page import PageMargins

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# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ config, pkgs, lib, ... }:

{
  imports = [
    # Include the results of the hardware scan.
    ./hardware-configuration.nix

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
'''
@date: 2024-07-22
@author: Shell.Xu
@copyright: 2024, Shell.Xu <[email protected]>
@license: BSD-3-clause
'''
import sys
import argparse

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Bash Shortcuts

Moving

command	description
ctrl + a	Goto BEGINNING of command line

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#!/usr/bin/env python3


#
# Nokia/Alcatel-Lucent router backup configuration tool
#
# Features:
# - Unpack/repack .cfg files generated from the backup and restore functionnality
#   in order to modify the full router configuration
# - Decrypt/encrypt the passwords/secret values present in the configuration

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#!/usr/bin/env bash

# Download metadata, modify these as your needs.
## The directory to save the downloaded files.
download_directory="/volume1/Download/EPUB"
## The website you want to visit.
calibre_site="http://soulseeker.myds.me:25788"
## The formats you want to download. We only download the first present format.
## All the formats should be upper case.
allow_formats=( EPUB MOBI AZW3 )

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#!/usr/bin/sudo bash
#
if [ "$EUID" -ne 0 ]
  then echo "Please run as root"
  exit
fi
systemctl enable runsunloginclient.service
systemctl start runsunloginclient.service
# change USERNAME to your current non-root username
sudo -u USERNAME /usr/local/sunlogin/bin/sunloginclient &

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0.In my 0th vps (for example Oracle Cloud free tier VPS, ubuntu 20.04, it allow me to create 2 free vps servers): 
    sudo apt install tailscale(ref: https://tailscale.com/kb/1039/install-ubuntu-2004/)
    sudo tailscale up    //copy the showed url and authorize google sign-in in the web  browser
    ip addr show tailscale0       //for example: 100.71.153.9

1. In my 1st vps(in china, for example my linux PC in my home):
     sudo apt install tailscale
     sudo sysctl net.ipv4.conf.all.forwarding=1
     sudo tailscale up --advertise-exit-node --accept-dns=false    //copy the showed url and authorize google sign-in in the web  browser
     //"--advertise-exit-node" to advertise this vps as exit node, "--accept-dns=false" to avoid global dns settings overwriting /etc/resolv.conf in exit node

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cd /system/app/
rm -rf Account
rm -rf card
rm -rf Drive
rm -rf Duo
rm -rf GooglePay
rm -rf Gmail2
rm -rf Maps
rm -rf Music2
rm -rf NVBackupUI