Tag Archives: Ubuntu

Install Zoneminder on Ubuntu 18.04 with shell script

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This will install Zoneminder by using a shell script with one basic command (how easy is that!).

You will need a Ubuntu 18.04 install with LAMP (Apache, MySQL and PHP) installed desktop or server. As an alternate you may use Mariadb in lieu of MySQL

Shell script file contents:

#!/bin/sh
clear
read -p "This script installs Zoneminder 1.32.x on Ubuntu 18.04 AMD64 with LAMP (MySQL) installed...
Press Enter to continue or Ctrl + c to quit" nothing
clear
read -p "You must be logged in as root using sudo su ...
Press Enter to continue or Ctrl + c to quit" nothing
clear
read -p "Next we will add the PPA repository, install and configure the system to run Zoneminder. 
Press enter to continue" nothing
apt install -y software-properties-common
clear
add-apt-repository ppa:iconnor/zoneminder-1.32
apt update
clear
awk '$0="date.timezone = "$0' /etc/timezone >> /etc/php/7.2/apache2/php.ini
clear
apt install -y zoneminder
systemctl enable zoneminder
service zoneminder start
adduser www-data video
a2enconf zoneminder
a2enmod rewrite
chown -R www-data:www-data /usr/share/zoneminder/
service apache2 reload
clear
read -p "Install complete.Press enter to continue" nothing
clear

Copy the contents of the script, open a terminal and run: Continue reading “Install Zoneminder on Ubuntu 18.04 with shell script” »

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How to Install and Configure GitLab on Ubuntu 16.04

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GitLab is an open source GIT repository manager based on Rails and developed by GitLab Inc. It is a web-based GIT repository manager that allows your team to work on code, track bugs and feature requests and to test and deploy applications. GitLab provides features like a wiki, issue tracking, code reviews, activity feeds and merge management. It is capable of hosting multiple projects.

GitLab is available in four editions:

  • Gitlab CE (Community Edition) – self-hosted, free and support from the Community forum.
  • Gitlab EE (Enterprise Edition) – self-hosted, paid app, comes with additional features.
  • GitLab.com – SaaS, free.
  • GitLab.io – Private GitLab instance managed by GitLab Inc.

In this tutorial, I will show you step-by-step how to install GitLab CE (Community Edition) on your own Ubuntu 16.04 Xenial Xerus server. In this tutorial, I will be using the ‘omnibus’ package provided by GitLab for easy installation.

What we will do:

  • Install Packages
  • Install GitLab
  • Configure GitLab URL
  • Generate SSL Let’s encrypt and DHPARAM Certificate
  • Enable Nginx HTTPS for GitLab
  • Configure UFW Firewall
  • Perform the GitLab Installation
  • Testing

Prerequisites

  • Ubuntu 16.04 Server – 64bit
  • Min RAM 2GB
  • Root Privileges

Step 1 – Install required Ubuntu Packages
The first step is to install the packages needed for the GitLab installation. Please log in to the server as root user and upddate the Ubuntu repository.

ssh root@GitLabServer
apt-get update

Now install the packages including curl for downloading the GitLab repository, ca-certificates, and postfix for the SMTP configuration. Install all packages with the apt command below.

sudo apt install curl openssh-server ca-certificates postfix

During postfix installation, you will be prompted about the configuration, select ‘Internet Site’. and then enter the server domain name that shall be used for sending an email. Continue reading “How to Install and Configure GitLab on Ubuntu 16.04” »

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How to Change Hostname on Ubuntu 18.04

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Display the Current Hostname

To view the current hostname, enter the following command:

hostnamectl

As you can see in the image above, the current hostname is set to ubuntu1804.localdomain.

Change the Hostname

The following steps outline how to change the hostname in Ubuntu 18.04.

1. Change the hostname using hostnamectl

In Ubuntu 18.04 we can change the system hostname and related settings using the command hostnamectl.

For example, to change the system static hostname to linuxize, you would use the following command: Continue reading “How to Change Hostname on Ubuntu 18.04” »

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SOLVED Zimbra 8.6 HTTP ERROR 404 Problem accessing /public/error.jsp. Reason: /public/error.jsp

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Do a quick search under the usual jetty folders:

find /opt/zimbra/jetty/ -type f -name *jsp -mtime -30

If you find files like:

/opt/zimbra/jetty/webapps/zimbra/js/zimbra/csfe/XZimbra.jsp
/opt/zimbra/jetty/webapps/zimbra/public/Ajax.jsp

you’re actually hacked.

Unlike the previous “zmcat” and “dblaunchs” that actually exploit the vuln and load some sh*t this looks like a bad childish attack. It seems that they delete some files under jetty dir, don’t know why. 
The attack vector is the same, but, there are no strange processes, there is no persistence. Continue reading “SOLVED Zimbra 8.6 HTTP ERROR 404 Problem accessing /public/error.jsp. Reason: /public/error.jsp” »

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Setup a Site to Site IPsec VPN With Strongswan and PreShared Key Authentication

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Today we will setup a Site to Site ipsec VPN with Strongswan, which will be configured with PreShared Key Authentication.

After our tunnels are established, we will be able to reach the private ips over the vpn tunnels.

Get the Dependencies:
Update your repository indexes and install strongswan:

$ apt update && sudo apt upgrade -y
$ apt install strongswan -y

Set the following kernel parameters:

$ cat >> /etc/sysctl.conf << EOF
net.ipv4.ip_forward = 1 
net.ipv4.conf.all.accept_redirects = 0 
net.ipv4.conf.all.send_redirects = 0
EOF

$ sysctl -p /etc/sysctl.conf

Generate Preshared Key:
We will need a preshared key that both servers will use: Continue reading “Setup a Site to Site IPsec VPN With Strongswan and PreShared Key Authentication” »

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Configure Apache With Self-Signed TLS/SSL Certificate on Ubuntu 16.04

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Step 1: Generating the certificate

First, let’s create a place to store the file.

mkdir ~/certificates
cd ~/certificates

Generate CSR and private key.

openssl req -x509 -newkey rsa:4096 -keyout apache.key -out apache.crt -days 365 -nodes

It will ask for information for the certificate request. Complete with the appropriate information.

Country Name (2 letter code) [AU]: US
State or Province Name (full name) [Some-State]: FL
Locality Name (eg, city) []: Miami
Organization Name (eg, company) [My Company]: My Company
Organizational Unit Name (eg, section) []:

Common name should be your domain name or the server’s IP address. Also, fill in your email. Continue reading “Configure Apache With Self-Signed TLS/SSL Certificate on Ubuntu 16.04” »

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Upgrade PHP version to 7.2 from 7.0 on Ubuntu 16.04

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Check your PHP version installed

Before we start, we can simply type the following command to check the existing PHP version installed on the server.

$ php -v

If you installed Ubuntu 16.04 LTS, you will get PHP 7.0.30 installed on your server by running installation script from VestaCP. In this tutorial, we will upgrade our PHP version to 7.2 to enjoy more features and bug fixes.

Check your PHP modules installed

To check installed PHP modules in Ubuntu, type the following command (as Ubuntu makes PHP modules available via packages):

$ dpkg — get-selections | grep -v deinstall | grep php7.0

Remember mark installed modules list, as you need to install them again after upgraded to PHP 7.2. We don’t need to install mcrypt as it has been dropped from PHP 7.2.

In this tutorial, we need to install those modules again: Continue reading “Upgrade PHP version to 7.2 from 7.0 on Ubuntu 16.04” »

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Install and setup Plex Media Server Ubuntu 16.04

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Plex is a free feature-rich media library platform that provides a way to store all your movies, shows, and other media in one place. You can access Plex from any device, whether you’re at home or on-the-go. There are many different media tools available in the world like, Kodi, Xmbc, OSMC and Mediatomb, but the Plex Media Server is perhaps one of the most popular solutions for managing media. Plex runs on Windows, macOS, Linux, FreeBSD and many more. Plex is a client-server media player system made up from two main components, 1) The Plex Media Server, which organizes music, photos and videos content from personal media libraries and streams it to their player, 2) The Players that can be the Plex web UI, Plex Apps or Plex home theater. Plex Media Server supports Chromecast, Amazon FireTV, Android, iOS, Xbox, PlayStation, Apple TV, Roku, Android TV and various types of smart TVs. If you are looking for a way to watch your movies from anywhere, then Plex is best choice for you.

In this tutorial, we will learn how to install and configure Plex Media Server on Ubuntu 16.04.

Requirements

  • A server running Ubuntu 16.04.
  • A not-root user with sudo privileges setup on your server.
  • A static IP address 192.168.0.227 setup on your server.

Getting Started
Before starting, make sure your system is fully up to date by running the following command:

sudo apt-get update -y
sudo apt-get upgrade -y

Once your system is updated, restart your system to apply all these changes with the following command:

sudo reboot

After restarting, log in with sudo user and proceed to the next step. Continue reading “Install and setup Plex Media Server Ubuntu 16.04” »

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Clean up boot partition – Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64

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Case I: if /boot is not 100% full and apt is working
 
1. Check the current kernel version

$ uname -r

It will shows the list like below:

3.19.0-64-generic

2. Remove the OLD kernels

2.a. List the old kernel

$ sudo dpkg --list 'linux-image*'|awk '{ if ($1=="ii") print $2}'|grep -v `uname -r`

You will get the list of images something like below:

linux-image-3.19.0-25-generic
linux-image-3.19.0-56-generic
linux-image-3.19.0-58-generic
linux-image-3.19.0-59-generic
linux-image-3.19.0-61-generic
linux-image-3.19.0-65-generic
linux-image-extra-3.19.0-25-generic
linux-image-extra-3.19.0-56-generic
linux-image-extra-3.19.0-58-generic
linux-image-extra-3.19.0-59-generic
linux-image-extra-3.19.0-61-generic

2.b. Now its time to remove old kernel one by one as Continue reading “Clean up boot partition – Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64” »

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