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Copy ssserver.service to under /lib/systemd/system/ and run:

sudo systemctl enable ssserver
sudo systemctl start ssserver

sudo systemctl status ssserver

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{
	"log": {
		"level": "trace"
	},
	"dns": {
		"servers": [{
				"tag": "local",
				"address": "217.218.127.127",
				"detour": "direct"
			}, {

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vim /etc/sysctl.conf

### IMPROVE SYSTEM MEMORY MANAGEMENT ###

# Increase size of file handles and inode cache
fs.file-max = 2097152

# Do less swapping
vm.swappiness = 10

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SSH Login Notifications in Slack

It’s handy to know who’s logging into servers around your projects. Slack offers a beautiful way to do this in combination with pam.d.

I am assuming you’re using a CentOS-derived OS for locations, but this should work on any *nix-based OS with pam.d enabled.

1. Add an incoming webhook in Slack – navigate to: https://YOUR_DOMAIN.slack.com/apps/manage/custom-integrations We recommend naming the spot something that is recognizable; that way it won’t get deleted in the future.

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Install kerio vpn client on RHAEL8 (Fedora 33 & Centos 8) amd 64

This tutorial show you how to install kerio vpnClient on rhel8 64bit. Kerio vpnClient does not have any .rpm official version!

1. First of all download kerio-control-vpnclient-###-linux-amd64.deb from http://www.ryadel.com/en/kerio-control-vpn-client-all-versions-direct-download-links/ which contain many version of kerio-control-vpn-client or everywhere else.

2. after download kerio-control-vpnclient-###-linux-amd64.deb we must convert it to .rpm

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<?php
$string = 'aboozar';
$dic  =   [
    'a' => [1, 2, 'a'],
    'b' => [3, 4, 'b'],
    'o' => [5, 6],
    'z' => [7, 8, 'd', 'f'],
    'r' => [9, 0, 'e']
];

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#!/usr/bin/env bash
set -u

# Downloads Oracle JDK tarball and makes fancy debs out of it.
# Output is full of warnings, but the packages work. ;)
# Example URL='http://download.oracle.com/otn-pub/java/jdk/8u45-b14/jdk-8u45-linux-x64.tar.gz'

MAJOR=8
MINOR=45
BUILD=14

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# Download latest Android image, "hammerhead" for Nexus 5 (GSM/LTE)
https://developers.google.com/android/nexus/images#hammerhead

# Download latest TWRP
https://dl.twrp.me/hammerhead/

# Download latest SuperSu
https://download.chainfire.eu/supersu

Enable USB debugging.

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Configure IPsec/L2TP VPN Clients

Read this in other languages: English, 简体中文.

Note: You may also connect using IPsec/XAuth mode, or set up IKEv2.

After setting up your own VPN server, follow these steps to configure your devices. IPsec/L2TP is natively supported by Android, iOS, OS X, and Windows. There is no additional software to install. Setup should only take a few minutes. In case you are unable to connect, first check to make sure the VPN credentials were entered correctly.

An alternative setup guide with images is available, written by Tony Tran.

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