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 […]

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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 package […]

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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: […]

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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] […]

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