Tag Archives: CentOS7

Centos disk XFS xfs_repair

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  1. During bootup, when the GRUB2 menu shows up, press the e key for edit
  2. Add the following parameter at the end of the linux16 line, after quiet: 
    quiet systemd.unit=emergency.target
  3. Press Ctrl+x to boot the system with the parameter.
  4. first find your device UUID in /dev/disk/by-uuid
  5. umount 
    umount /dev/disk/by-uuid/198s5364-a29c-429e-b16d-e772acd
  6. repair 
    xfs_repair /dev/disk/by-uuid/198s5364-a29c-429e-b16d-e772acd

Reboot

edit:
sometimes you have to force it by deleting the log file

xfs_repair -L /dev/disk/by-uuid/198s5364-a29c-429e-b16d-e772acd
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Install Mailtrain Bulk Mailer Application on CentOS 7

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Requirements
Metabase requires at least 1GB of RAM. All the required dependencies will be installed throughout the tutorial. You will need a minimal installation of CentOS 7 with root access on it. If you are logged in as a non-root user, you can run sudo -i to switch to root user.

Update Base System
Before installing any package it is recommended that you update the packages and repository using the following command.

yum -y update

Install Node.js
Node.js is required by Mailtrain as it is built using Nodemailer. Node.js is a very popular JavaScript runtime and Nodemailer is a module for Node.js applications to send emails.

Add Node.js 8.x repository:

curl --silent --location https://rpm.nodesource.com/setup_8.x | sudo bash -

Install Node.js.

yum -y install nodejs

Install MariaDB
To store Mailtrain database we will need to install MariaDB. MariaDB is a fork of MySQL
Install MariaDB repository into your system. Continue reading “Install Mailtrain Bulk Mailer Application on CentOS 7” »

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Webmin installation on Centos

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Installing the RPM

If you are using the RPM version of Webmin, first download the file from the downloads page, or run the command :

wget http://prdownloads.sourceforge.net/webadmin/webmin-1.870-1.noarch.rpm

then install optional dependencies with :

yum -y install perl perl-Net-SSLeay openssl perl-IO-Tty perl-Encode-Detect

and then run the command :

rpm -U webmin-1.870-1.noarch.rpm

Continue reading “Webmin installation on Centos” »

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Install Apache Tomcat 8.5 on CentOS 7.3

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Prerequisites

Server with CentOS 7 – 64bit
2 GB or more RAM (Recommended)
Root Privileges on the server

Step 1 – Install Java (JRE and JDK)

In this step, we will install the Java JRE and JDK from the CentOS repository. We will install Java 1.8.11 on the server with the yum command.

Run this command to install Java JRE and JDK from CentOS repository with yum:

yum -y install java-1.8.0-openjdk.x86_64 java-1.8.0-openjdk-devel.x86_64

It will take some time, wait until the installation finished.

Then you should check the Java version with the command below:

java -version

You should see results similar to the ones below:

openjdk version "1.8.0_111"
OpenJDK Runtime Environment (build 1.8.0_111-b15)
OpenJDK 64-Bit Server VM (build 25.111-b15, mixed mode)

Step 2 – Configure the Java Home Environment Continue reading “Install Apache Tomcat 8.5 on CentOS 7.3” »

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Install LEMP with phpmyadmin on CentOS 7

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To add the CentOS 7 EPEL repository, open terminal and use the following command:

yum install epel-release

Since we are using a sudo command, these operations get executed with root privileges. It will ask you for your regular user’s password to verify that you have permission to run commands with root privileges. Now that the Nginx repository is installed on your server, install Nginx using the following yum command:

yum install nginx

Afterwards, your web server is installed. Once it is installed, you can start Nginx on your VPS:

systemctl start nginx

You can do a spot check right away to verify that everything went as planned by visiting your server’s public IP address in your web browser (see the note under the next heading to find out what your public IP address is if you do not have this information already): Continue reading “Install LEMP with phpmyadmin on CentOS 7” »

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