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Doing upgrade of Centos 7 server to Centos 8. Step to step guide.

1. Migrating backup of working system to virtual guest or another server.

Preparation of test image. Boot from Centos 7 CD into troubleshoot mode and skip to shell. Prepare disks of guest machine. Make partitions and filesystems.

Sda2 - boot - ext2

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Quick How-To deny/allow IP using iptables

23 Jan 2012

Cheat sheet

Command	Description
csf -s	Start the firewall rules
csf -f	Flush/Stop firewall rules (note: lfd may restart csf)

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/*   
   Copyright 2011 Martin Hawksey

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software

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global
    pidfile /var/run/haproxy.pid
    log 127.0.0.1 local0 info
    ulimit-n        65536

defaults
    mode http

    clitimeout          600000   # maximum inactivity time on the client side
    srvtimeout          600000   # maximum inactivity time on the server side

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#!/usr/bin/env bash

set -eu

if [ "$EUID" -ne 0 ]
  then echo "Please run as root"
  exit
fi

# PATH TO YOUR HOSTS FILE

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# Install mono
rpm --import "http://keyserver.ubuntu.com/pks/lookup?op=get&search=0x3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF"
yum-config-manager --add-repo http://download.mono-project.com/repo/centos6/
yum install mono-complete

# Install duplicati, ignoring dependencies
wget https://updates.duplicati.com/beta/duplicati-2.0.2.1-2.0.2.1_beta_20170801.noarch.rpm
rpm -ivh --nodeps duplicati-2.0.2.1-2.0.2.1_beta_20170801.noarch.rpm 

# Create init script and enable the service

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Copy/ Move CyberPanel Backup Archive(s) using Bash Script with/ without Crontab/ Systemd Timer

These scripts will copy/ move CyberPanel backup archive(s) from /home/domain/backup directory to a specified directory by the user.

How to Use it?

1. There are two scripts to work with. One is cpbac_a.sh another one is cpbac_m.sh. If you want to use it with crontab/ systemd timer then cpbac_a.sh is suitable for you. If you want to use it manually with prompt (running it by yourself) then cpbac_m.sh is suitable for you.

2. If you want to use cpbac_a.sh then put the cpbac_a.sh file to anyhwere you like. E.g., /home/scripts.

• Open terminal.
• Give the file execute permission, type/ copy sudo chmod +x /location/cpbac_a.sh press Enter.
• For executing the script, type/ copy /location/cpbac_a.sh press Enter.