Monday, February 20, 2023
How to Install Nginx, MariaDB, PHP and Create Virtual Server Block with Nginx on AlmaLinux 8
Sunday, February 19, 2023
503 Service Unavailable : PHP-FPM issue
Error: 503 Service Unavailable The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.
Solution:
systemctl start php80-php-fpm (if face the error follow the next command )systemctl status php80-php-fpm.service
ERROR: unable to bind listening socket for address '127.0.0.1:9000': Address already in use (98)
netstat -tulpn | grep -w 9000
tcp 0 0 127.0.0.1:9000 0.0.0.0:* LISTEN 884/php-fpm: master
kill 884
systemctl start php80-php-fpm
Note: Use your PHP version, PID and Port in the command. if netstat not works install net-tools first: yum install net-tools
How to Install PHP 8.0/8.1on Linux Centos 7
PHP 8.0 install
# yum install -y --enablerepo=remi-php80 php php-cli
Exntesions:
#yum install -y --enablerepo=remi-php80 php-mysqlnd
Method-1 for PHP 8.1
yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
yum -y install https://rpms.remirepo.net/enterprise/remi-release-7.rpm
yum -y install yum-utils
yum-config-manager --disable 'remi-php*'
yum-config-manager --enable remi-php81
yum repolist
yum -y install php php-{cli,fpm,mysqlnd,zip,devel,gd,mbstring,curl,xml,pear,bcmath,json,opcache,redis,memcache}
Thursday, February 16, 2023
How to test PowerMTA SMTP using telnet
telnet localhost 25
ehlo localhost
mail from: username@from-domain.tld
rcpt to: username@to-domain.tld
data
Subject: PMTA SMTP Check
This is just an SMTP conf Check. You may disregard.
.
quit
tail -f /var/log/pmta/pmta.log
pmta show queues
How to Send an email using Telnet in CentOS
Wednesday, February 15, 2023
Stop and Disable Firewalld on CentOS 7
sudo firewall-cmd --state
sudo systemctl stop firewalld
sudo systemctl disable firewalld
sudo systemctl mask --now firewalld
Monday, February 13, 2023
Create and Install Self-Signed SSL Certificate on CentOS
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”
Office 2021 Activation using command
@echo off title Activate Microsoft Office 2021 (ALL versions) for FREE - office.com&cls&echo =====================================...
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Put the following code in a TXT file and save as "file.cmd" then run the cmd file as administrator. @echo off title Activate Micr...
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# $Id: config 2015-03-24 16:00:00 Jack $ # Sample PowerMTA configuration file # PowerMTA Multiple Virtual PMTA config file sample # # E-mai...
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We can install PowerMTA on the server. rpm -ivh /home/PowerMTA-4.0r6.x86_64.rpm You will see the output like this Preparing... #############...