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我要成为双马尾

Once upon a time there was a user that wanted to install firefox.

The user tried to do pacman -S firefox but it didn't work. The all mighty pacman reported that firefox-3.2.4-1.i686.pkg.tar.gz could not be found on his mirror. So the user tried pacman -Sy firefox. It worked and the user rejoiced since he could once again go and troll /h/.

But all was not good. The user had made a grave error!

See, when the user told the almighty pacman to -Sy firefox, pacman did

平台：DigitalOcean VPS ubuntu14.04 x64, strongswan5.2.2 运行以下命令请使用root权限

一：安装strongswan

由于ubuntu软件仓库中strongswan版本较低，因此从官网源码编译安装

apt-get install build-essential     #编译环境
aptitude install libgmp10 libgmp3-dev libssl-dev pkg-config libpcsclite-dev libpam0g-dev     #编译所需要的软件

	#!/usr/bin/perl
	## ArchLinux install package via pacman: perl-net-cidr-lite
	use strict;
	use warnings;
	use Net::CIDR::Lite;
	my $cidr = Net::CIDR::Lite->new;
	while (my $line=<>) {
	$cidr->add($line);
	}
	foreach my $line( @{$cidr->list} ) {

	Creating a .pem with the Entire SSL Certificate Trust Chain

	Log into your DigiCert Management Console and download your Intermediate (DigiCertCA.crt), Root (TrustedRoot.crt), and Primary Certificates (your_domain_name.crt).
	Open a text editor (such as wordpad) and paste the entire body of each certificate into one text file in the following order:

	The Primary Certificate - your_domain_name.crt
	The Intermediate Certificate - DigiCertCA.crt
	The Root Certificate - TrustedRoot.crt
	Make sure to include the beginning and end tags on each certificate. The result should look like this:

	# User authentication method. Could be set multiple times and in
	# that case all should succeed. To enable multiple methods use
	# multiple auth directives. Available options: certificate, certificate[optional],
	# plain, pam.
	#auth = "certificate"
	#auth = "plain[./ocserv-passwd]"
	#auth = "pam"

	# This indicates that a user may present a certificate. When that option
	# is set, individual users or user groups can be forced to present a valid

	/usr/lib/systemd/system/[email protected]

	[Unit]
	Description=Shadowsocks libev Server Service
	After=network.target

	[Service]
	Type=simple
	User=root
	ExecStart=/usr/bin/ss-server -u -v -A --fast-open -c /etc/shadowsocks/%i.json --acl /etc/shadowsocks/local.acl

	using System;
	using System.Collections.Generic;
	using System.Linq;
	using System.Text;

	namespace Common
	{
	public static class GetShift
	{
	public static string Shift(string input_date)