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LVM volume space scaling in XFS format in centos7

LVM volume space scaling in XFS format in centos7

 

Originally on my CentOS 7 virtual machine, I created 2 partitions:

sda1 for /boot sda2 with 1 volume group “centos” with 5 logical volumes: / /home /var /tmp swap

I noticed later that I had needed more space from /home lvm. It was 15GB, it […]

CentOS 7.4 MariaDB Galera Cluster

Mariadb galera cluster installation: Operating system: CentOS 7.4 version Cluster number: 3 nodes Host information: 192.168.153.142 node1 selinux=disabled firewalld Shutdown 192.168.153.143 node2 selinux=disabled firewalld Shut down 192.168.153.144 node3 selinux=disabled firewalld Shut down

Build steps

1. Hosts resolve each other: all three nodes must execute vim /etc/hosts 192.168.153.142 node1 192.168.153.143 node2 192.168.153.144 node3

2. Install the software […]

Install and Configure PostgreSQL 10 on Fedora 27

add software source rmohan.com@fedora1 ~ $ sudo dnf install https://download.postgresql.org/pub/repos/yum/10/fedora/fedora-27-x86_64/pgdg-fedora10-10-3.noarch.rpm Last metadata expiration check: 7:30:40 ago on Tue 02 Jan 2018 10:32:40 AM CST. pgdg-fedora10-10-3.noarch.rpm 6.9 kB/s | 8.8 kB 00:01 Dependencies resolved. ============================================================================================================================================================================================================================================== Package Arch Version Repository Size ============================================================================================================================================================================================================================================== Installing: pgdg-fedora10 noarch 10-3 @commandline 8.8 k

Transaction Summary ============================================================================================================================================================================================================================================== Install 1 Package

Total size: […]

CentOS 7 MongoDB 3.4

nstall MongoDB 3.4 process on yum under CentOS 7 system.

The first step to see if there is a MongoDB configuration yum source

Switch to the yum directory cd /etc/yum.repos.d/

View the file ls

The second part does not exist to add yum source

Create the file touch mongodb-3.4.repo

Edit this file vi mongodb-3.4.repo

content:

Cat /etc/yum.repos.d/mongodb-3.4.repos

[mongodb-org-3.4]

[…]