How to solve problem Openssl libssl.so.1.1 not found on your system such as centos, ubuntu. Installing openssl missing depens libssl.so.1.1 not found and libcrypto.so.1.1 not found. Openssl libssl.so.1.1 not found problem as below: [huupv@huupv ~]$ ldd /usr/bin/openssl     linux-vdso.so.1 (0x00007ffe185e6000)     libssl.so.1.1 => => not found     libcrypto.so.1.1 => => not found     libz.so.1 => /lib64/libz.so.1 (0x00007fc3ca6f4000)     libdl.so.2 => /lib64/libdl.so.2 (0x00007fc3ca4f0000)     libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fc3ca2d2000)     libc.so.6 => /lib64/libc.so.6 (0x00007fc3c9f1c000)     /lib64/ld-linux-x86-64.so.2 (0x00007fc3cb2a1000) Openssl libssl.so.1.1 not found solve problem sudo ln -s /usr/local/lib64/libssl.so.1.1 /usr/lib64/libssl.so.1.1 sudo ln -s /usr/local/lib64/libcrypto.so.1.1 /usr/lib64/libcr...

Introduction The sed command in Linux is a powerful stream editor that allows users to filter and transform text in various ways. Whether you're working on system administration tasks or programming scripts, mastering sed can significantly improve your efficiency. In this tutorial, we will explore how to use sed with regex to manipulate lines within a file, focusing on printing lines from one point to another. This guide will help you understand the nuances of sed and its regex capabilities, ensuring you can handle text processing with ease. What is the sed Command? The sed (stream editor) command in Linux is used to perform basic text transformations on an input stream (a file or input from a pipeline). It is commonly used for text substitution, but it also allows you to select and manipulate lines, delete text, and more, using regex (regular expressions). Key Features of sed Text Substitution : Replace occurrences of a pattern with a specific string. Line Selection : Selec...

In this tutorial, I setup and Configure Postfix to use Gmail as a Mail Relay with 587 port. OS : Centos User : root Install postfix yum install postfix mailx cyrus-sasl cyrus-sasl-plain To configure postfix to use Gmail as a Mail Relay vi /etc/postfix/main.cf Add or modify the following as below: #To use smpt gmail with 587 port relayhost = [smtp.gmail.com]:587 smtp_use_tls = yes smtp_sasl_auth_enable = yes smtp_sasl_security_options = noanonymous smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_tls_CAfile = /etc/pki/tls/certs/ca-bundle.crt smtp_tls_security_level = encrypt # Location of CA certificates smtp_tls_CAfile = /etc/ssl/certs/ca-bundle.crt To configure Gmail authentication vi /etc/postfix/sasl_passwd Add the line as below: [smtp.gmail.com]:587    username@gmail.com:password Running commands as below: chmod 600 /etc/postfix/sasl_passwd chown root:root /etc/postfix/sasl_passwd /etc/postfix/sasl_passwd.db postmap /etc/po...

In this tutorial, How to use nginx redirect all http to https. All traffic http redirect to https for your website. How to do it..... For example, nginx.conf file for your website     server {             listen 80;             listen [::]:80;             if ($host = www.huuphan.com) {                return 301 https://$host$request_uri;            }             if ($host = huuphan.com) {               return 301 https://$host$request_uri;             }          ...