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# Varnish log
varnishlog -a -A -w /var/log/varnish/varnish50x.log -q "RespStatus >= 500 or BerespStatus >= 500" &

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Tools scan malware in linux

https://github.com/jundat95/linux-malware-detect

https://www.clamav.net/documents/clam-antivirus-user-manual

https://malware.expert/malware-scanner-and-removal/?fbclid=IwAR1D5uTjyxYZfoRJCtBIFtqiSVc3GPARYe6XvzzCY2dOlxRjaJgPs77-HKg

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 # Example zip and exclude
 zip demo.zip -r maldetect-1.6.4/ -x "maldetect-1.6.4/files*"

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Guide setup php7.x-fpm in RedHat 8

# Add repository

sudo dnf install -y https://rpms.remirepo.net/enterprise/remi-release-8.rpm
sudo dnf module list php
sudo dnf module enable php:remi-7.3 -y
sudo dnf install php-mysql php-opcache php-xml php-mcrypt php-gd php-soap php-redis php-bcmath php-intl php-mbstring php-json php-iconv php-fpm php-zip
sudo dnf list installed | grep 'php'

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Guide setup MariaDB Server 10.3 on RedHat 8

# Setup

sudo dnf install mariadb-server
sudo systemctl enable --now mariadb
systemctl status mariadb

# Change root password

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Guide setup magento 2 on Centos 8

Make sure the your environment have installed Nginx, PHP-FPM, Composer

# Install magento 2 by composer

 composer create-project --repository-url=https://repo.magento.com/magento/project-community-edition=2.3.4 /var/www/m234cc

# Dowload magento 

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# Check IP connecting

ifconfig
tcpdump -ani ethX port 21 or port 22

# Ping to server

nc -vz 127.0.0.1 22
or
telnet 127.0.0.1 8081

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# Set umask for another user

sudo vim /home/user/.bashrc
- Add line
umask 002

Options 2:

su -c "umask 002" user

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sudo yum install epel-release
sudo yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
sudo yum install yum-utils
sudo yum-config-manager --enable remi-php72
sudo yum update

sudo yum search php72 | more
sudo yum search php72 | egrep 'fpm|gd|mysql|memcache'

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Linux

https://code.visualstudio.com/docs/remote/troubleshooting#_installing-a-supported-ssh-client
https://marketplace.visualstudio.com/items?itemName=ms-vscode-remote.vscode-remote-extensionpack

sudo chmod 600 ~/.ssh/config
sudo chown $USER ~/.ssh/config

Example file: /home/user/.ssh/config