Tag Archives: CentOS 7

Install ionCube Loader on a CentOS 7

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1. Log in to your CentOS 7 VPS via SSH as user root

# ssh root@IP_Address

and update all installed services

# yum update

2. Run the ‘arch’ command in the terminal to check if your system is 32-bit (i686) or 64-bit (x86_64)

# arch
x86_64

3. In our case the system is 64-bit and we will download the 64-bit version of ionCube Loader

# wget http://downloads3.ioncube.com/loader_downloads/ioncube_loaders_lin_x86-64.tar.gz

4. If your system is 32-bit download the following archive

# wget http://downloads3.ioncube.com/loader_downloads/ioncube_loaders_lin_x86.tar.gz

Continue reading “Install ionCube Loader on a CentOS 7” »

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Install VirtualBox on Centos 6 / 7

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Step 1 – Add Required Yum Repositories

Firstly you are required to add VirtualBox yum repository in your system. Download repository file from its official site and place it under at /etc/yum.repos.d/virtualbox.repo .First navigate to /etc/yum.repos.d/ directory and use one of below commands as per your operating system.

cd /etc/yum.repos.d/
wget http://download.virtualbox.org/virtualbox/rpm/rhel/virtualbox.repo

The CentOS and RedHat users also required to add EPEL yum repository using one of the following commands.

### On CentOS/RHEL 7 ### 
rpm -Uvh http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
### On CentOS/RHEL 6 ### 
rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm

Step 2 – Install Required Packages

Before installing VirtualBox make sure to install all required packages to run VirtualBox like kernel-headers, kernel-devels etc. Use the following command to install the required packages. Continue reading “Install VirtualBox on Centos 6 / 7” »

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Install Poppassd in CentOS 7

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Steps for configuration change password plugin for squirrelmail/Horde/Rainloop using poppassd are:

Download poppassd.c from https://netwinsite.com/poppassd/

Look at poppassd.c and make sure it looks safe

yum -y install gcc
gcc poppassd.c -o poppassd -lcrypt
mv poppassd /usr/local/bin/
yum -y install xinetd
cp /etc/xinetd.d/time-stream /etc/xinetd.d/poppassd

nano /etc/xinetd.d/poppassd Update “service time” to “service poppassd”

disable = no
id = poppasswd
type = UNLISTED
user = root
group = root
server = /usr/local/bin/poppassd
port = 106
systemctl restart xinetd
systemctl enable xinetd

Test by doing “telnet localhost 106” that service is started properly or not.

Your poppassd is now installed on Centos 7 system.

Src: https://www.sbarjatiya.com/notes_wiki/index.php/CentOS_7.x_Configure_change_password_plugin_for_squirrelmail_using_poppassd

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Set Hostname in Centos 7

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CentOS 7 only allows Fully Qualified Domain Names (FQDN’s). Acceptable values include lower-case letters a to z, numbers 0 to 9, the period, and the hyphen, and between 2 and 63 characters.

At the console, type:

hostnamectl set-hostname my.new-hostname.server

NOTE: Replace my.new-hostname.server with your chosen hostname.

Check the Hostname

hostnamectl
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Install LAMP on Centos 7 with PHP 5.x/7.0/7.1/7.2

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In this tutorial, I use the hostname server1.example.com with the IP p 192.168.1.100. These settings might differ for you, so you have to replace them where appropriate.

I will add the EPEL repo here to install latest phpMyAdmin as follows:

rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY*
yum -y install epel-release

To edit files on the shell, I’ll install the nano editor. If you prefer vi for file editing, then skip this step.

yum -y install nano

Installing MySQL / MariaDB

MariaDB is a MySQL fork of the original MySQL developer Monty Widenius. MariaDB is compatible with MySQL and I’ve chosen to use MariaDB here instead of MySQL. Run this command to install MariaDB with yum:

yum -y install mariadb-server mariadb

Then we create the system startup links for MySQL (so that MySQL starts automatically whenever the system boots) and start the MySQL server: Continue reading “Install LAMP on Centos 7 with PHP 5.x/7.0/7.1/7.2” »

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Install MariaDB on CentOS 7

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MariaDB is an open source relational database management system, backward compatible, binary drop-in replacement of MySQL. It is developed by some of the original developers of the MySQL and by many people in the community. With the release of CentOS 7, MySQL was replaced with MariaDB as the default database system.

If you, for any reason need to install MySQL, check the How to Install MySQL on CentOS 7 tutorial. If your application does not have any specific requirements, you should stick with MariaDB, the default database system in CentOS 7.

In this tutorial we will show you how to install the latest version of MariaDB on CentOS 7 using the official MariaDB repositories.

Prerequisites
Make sure you are logged in as a user with sudo privileges before proceeding with the tutorial. Continue reading “Install MariaDB on CentOS 7” »

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Vesta- How to set up master-slave DNS cluster

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If you are looking for the options to avoid any DNS-related downtime or the way to manage dns across all server you have, you might consider to set up dns cluster.

Create user dns-cluster on a server which will be used as dns slave

On the second server (slave) with vestacp you should create new user with name dns-cluster (via gui or cli)Code: 

v-add-user dns-cluster passowrd yourmail@example.tld

On the first server (master) you should run this command: Continue reading “Vesta- How to set up master-slave DNS cluster” »

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Install Vesta Control Panel (vestacp) on Centos 7 with PHP-FPM and PHP 7.2

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I had few issues on my container and KVM on installing vestacp. Issues were like quite weird, such as-

  1. Post installation on KVM- it moved into emergency maintenance mode
  2. Post installation on LXC container- DNS resolution halted

After hours and hours of search, found few root causes-

  1. I have to withdraw quota with vestacp installation package
  2. No firewall on LXCcontainer

So let’s start.

Download installation script 

curl -O http://vestacp.com/pub/vst-install.sh

Run it 

bash vst-install.sh --nginx yes --phpfpm yes --apache no --named yes --remi yes --vsftpd yes --proftpd no --iptables no --fail2ban no --quota no --exim yes --dovecot yes --spamassassin yes --clamav yes --softaculous yes --mysql yes --postgresql no --hostname yourdomain.com --email yourmail@yourdomain.com --password yourpassword

You can also generate your installation command from vesta website: Continue reading “Install Vesta Control Panel (vestacp) on Centos 7 with PHP-FPM and PHP 7.2” »

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Install Cacti 1.1 on CentOS 7

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Cacti is a free and open source network monitoring and graphing tool written in PHP. With the help of RRDtool (Round-Robin database tool), Cacti can be used to provide various useful features, including remote and local data collectors, graph templating, network discovery, device management automation, etc.

Prerequisites
A fresh CentOS 7 x64 server instance. Say its IP address is 1.2.3.4.
A sudo user.
The server instance has been updated to the latest stable status using the EPEL YUM repo.

Step 1: Setup an up to date LAMP stack
Before you can properly install and run Cacti, you need to setup a LAMP stack or an equivalent web operating environment.

The following will set up an up to date LAMP stack for Cacti, which consists of CentOS 7, Apache 2.4, MariaDB 10.2, and PHP 7.1

# Install Apache 2.4
sudo yum install httpd -y
sudo sed -i 's/^/#&/g' /etc/httpd/conf.d/welcome.conf
sudo sed -i "s/Options Indexes FollowSymLinks/Options FollowSymLinks/" /etc/httpd/conf/httpd.conf
sudo systemctl start httpd.service
sudo systemctl enable httpd.service

Continue reading “Install Cacti 1.1 on CentOS 7” »

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