Docker Installation on Centos 7
[root@testsvr01~]# yum install yum-utils
How to Install Nginx on Centos 8
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- List available Nginx Version
[root@testsvr01 ~]# yum module list nginx
How to Identify Unused Index in PostgreSQL
See the below Query to find Unused index in PostgreSQL
How to add PHPMailer Library in Drupal 9
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This step should have been completed upon the installation of Drupal 8 for getting PHPMailer function
Install Composer
# curl -sS https://getcomposer.org/installer | php
Move Composer binary to usr bin path
# mv composer.phar /usr/bin/composer
Check Composer Version
# composer --version
Go to Drupal root Directory and execute
Drupal Installation Directory - /var/www/html
How to Add New Root Privilege user in RHEL/CentOS Server
- Create Sudo / Root Privilege User
[root@testsvr01 ~]# useradd sysadmin -G wheel
- Add Sudo Permission in the existing User
[root@testsvr01 ~]# usermod -aG wheel sysadmin
How to include PHPMailer Library in Drupal 8
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This step should have been completed upon the installation of Drupal 8 for getting PHPMailer function
Install Composer
# curl -sS https://getcomposer.org/installer | php
Move Composer binary to usr bin path
# mv composer.phar /usr/bin/composer
Check Composer Version
# composer --version
Go to Drupal root Directory and execute
How to install PgAdmin4 in Centos 7 Server
This step should have been completed upon the installation of PostgreSQL, but if you haven’t, you can complete it with:
Install Repository
yum -y install https://download.postgresql.org/pub/repos/yum/12/redhat/rhel-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
Now you are ready to install pgAdmin with:
Install Dependencies
How to Create LVM Partition in Linux
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- Check Available Disk
[root@testsvr01~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 60G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 59G 0 part
├─rhel-root 253:0 0 35.6G 0 lvm /
├─rhel-swap 253:1 0 6G 0 lvm [SWAP]
└─rhel-home 253:2 0 17.4G 0 lvm /home
sdb 8:16 0 250G 0 disk
sdc 8:32 0 250G 0 disk
How to Replace LVM Disk with New One
- Check Available Disk
[root@testsvr01~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 100G 0 disk
sdb 8:16 0 500G 0 disk
sdc 8:32 0 500G 0 disk
└─vg_pgdata-lv_pgdata 253:2 0 500G 0 lvm /pgdata
sr0 11:0 1 1024M 0 rom
vda 252:0 0 100G 0 disk
├─vda1 252:1 0 500M 0 part /boot
└─vda2 252:2 0 99.5G 0 part
How to Extend XFS Partition in Linux
- Check Available Disk
[root@testsvr01~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 60G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 59G 0 part
├─rhel-root 253:0 0 35.6G 0 lvm /
├─rhel-swap 253:1 0 6G 0 lvm [SWAP]
└─rhel-home 253:2 0 17.4G 0 lvm /home
sdb 8:16 0 250G 0 disk
sdc 8:32 0 250G 0 disk