Showing posts with label Self-Signed SSL Certificate. Show all posts
Showing posts with label Self-Signed SSL Certificate. Show all posts

Monday, February 13, 2023

Create and Install Self-Signed SSL Certificate on CentOS

yum install openssl

mkdir /etc/[webserver]/ssl

openssl genrsa -out “/etc/[webserver]/ssl/example.key” 2048

openssl req -new -key “/etc/[webserver]/ssl/example.key” \ -out “/etc/[webserver]/ssl/example.csr”


Country Name (2 letter code) [AU]:xx

State or Province Name (full name) [Some-State]:xx xx

Locality Name (eg, city) []:xx

Organization Name (eg, company) [Internet Widgits Pty Ltd]:xx

Organizational Unit Name (eg, section) []:xx

Common Name (e.g. server FQDN or YOUR name) []:example.com

Email Address []:xxx@gmail.com

openssl x509 -req -days 365 -in “/etc/[webserver]/ssl/example.csr” \ -signkey “/etc/[webserver]/ssl/example.key” \ -out “/etc/[webserver]/ssl/example.crt”


Extract Domain from email in Excel or Google sheet

  =TEXTAFTER( A2 , "@") or, =MID(A1, FIND("@", A1) + 1, LEN(A1) - FIND("@", A1))