Linux – Managing Users & Groups

Add new user: useradd Delete user: userdel Modify user: usermod Switch user: su Add user to group: groupadd Delete user from group : groupdel Add new user Commands : useradd, adduser step 1) create user with new home directory useradd -m -u 111 -c "this is comment" -s /bin/bash tomuseradd -m -s /bin/bash jerry -m …

AWS – Networking

VPC (virtual private cloud) : logically isolated protion of the AWS cloud within a region. Public subnet: => A public subnet has " Enable auto-asign public IPv4 address" configured => A public subnet has a route to an internet gateway Private subnet: => private subnet instance do not have a public IP or a route …

Retinoscopy 101

'https://www.aao.org/young-ophthalmologists/yo-info/article/retinoscopy-101 optics 101 'https://www.aao.org/young-ophthalmologists/yo-info/article/optics-101

ODOO modules – CRM & Contacts

"odoo" + VS Code ' https://www.youtube.com/watch?v=24Cd6U-LmOE (odoo function book 14) CRM: CRM is an inevitable part of any business. Features : advance dashboard, activity scheduling, prioritizing, alerts, leads, sales tracking, opportunity analysis, lead scoring, analyze lost opportunity, etc. CRM operation sin Odoo is based on the operating principles of a pipeline operation.