[root@testsvr01 ~]# useradd -s /sbin/nologin -p password user
[root@testsvr01 ~]# vi /etc/ssh/sshd_config
#Subsystem sftp /usr/libexec/openssh/sftp-server
Subsystem sftp internal-sftp
Match Group user
ForceCommand internal-sftp
ChrootDirectory /home/user
X11Forwarding no
AllowTcpForwarding no
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
[root@testsvr01 ~]# cat << EOF > /etc/ssh/sshd-banner #############################################################################
ACCESS WARNING: THIS IS Learns to Win NETWORK
*********************************************************
Unauthorized access to this device or the attached networks is prohibited
without express written permission. Violators will be prosecuted to the
fullest extend of both civil and criminal law.
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
[root@testsvr01 ~]# vi /etc/yum.repos.d/nginx.repo
[nginx-stable]
name=nginx stable repo
baseurl=http://nginx.org/packages/centos/$releasever/$basearch/
gpgcheck=1
enabled=1
gpgkey=https://nginx.org/keys/nginx_signing.key
module_hotfixes=true
root@testsvr01 ~]# yum install nginx -y
[root@testsvr01 ~]# nginx -v
nginx version: nginx/1.24.0
[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
[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
See the below Query to find Unused index in PostgreSQL
[root@testsvr01~]# useradd sysadmin -G wheel
[root@testsvr01~]# passwd sysadmin
Changing password for user sysadmin.
New password:
Retype new password:
passwd: all authentication tokens updated successfully.
[root@testsvr01~]#
MBR Backup
[root@testsvr01~]# dd if=/dev/sda1 of=/opt/mbr_backup bs=512 count=1
0+1 records in
0+1 records out
115 bytes (115 B) copied, 0.0001912 s, 601 kB/s
[root@testsvr01~]#
