LINUX MEN 11

Zabbix was created by Alexei Vladishev, and currently is actively developed and supported by Zabbix SIA. Zabbix is an enterprise-class open source distributed monitoring solution. Zabbix is a software that monitors numerous parameters of a network and the health and integrity of servers, virtual machines, applications, services, databases, websites, the cloud and more. Zabbix uses a flexible notification mechanism that allows users to configure e-mail based alerts for virtually any event. This allows a fast reaction to server problems. Zabbix offers excellent reporting and data visualization features based on the stored data. This makes Zabbix ideal for capacity planning. Zabbix supports both polling and trapping. All Zabbix reports and statistics, as well as configuration parameters, are accessed through a web-based frontend. A web-based frontend ensures that the status of your network and the health of your servers can be assessed from any location. Properly configured, Zabbix can p...

Method 1: Using GRUB2 Edit /etc/default/grub and append ipv6.disable=1 to GRUB_CMDLINE_LINUX  GRUB_CMDLINE_LINUX="rd.lvm.lv=rhel/swap crashkernel=auto rd.lvm.lv=rhel/root ipv6.disable=1" Run the grub2-mkconfig command to regenerate the grub.cfg file: grub2-mkconfig -o /boot/grub2/grub.cfg Alternatively, on UEFI systems, run the following: grub2-mkconfig -o /boot/efi/EFI/redhat/grub.cfg Reboot Server reboot   Method 2: Using sysctl Create File ipv6.conf nano /etc/sysctl.d/ipv6.conf ============================== # First, disable for all interfaces net.ipv6.conf.all.disable_ipv6 = 1 # If using the sysctl method, the protocol must be disabled all specific interfaces as well. net.ipv6.conf..disable_ipv6 = 1 ============================== Reloaded sysctl -p /etc/sysctl.d/ipv6.conf Create a backup of the initramfs before making any changes to it: cp /boot/initramfs-$(uname -r).img /boot/initramfs-$(uname -r).bak.$(date +%m-%d-%H%M%S).img rebuild the Initial RAM Disk Image dracut -f...

Import the GPG key and add the following Apt repository to your system. sudo apt install ca-certificates apt-transport-https -y wget -q https://packages.sury.org/php/apt.gpg -O- | sudo apt-key add - echo "deb https://packages.sury.org/php/ stretch main" | sudo tee /etc/apt/sources.list.d/php.list Install PHP version 7.3 apt install php7.3-cli php7.3-common php7.3-curl php7.3-mbstring php7.3-mysql php7.3-xml php7.3-zip php7.3-gd ufw apache2 mariadb-server -y Start and enable service ufw, apache2, and mariadb systemctl start ufw apache2 mariadb && systemctl enable ufw apache2 mariadb Setup mariadb server mysql_secure_installation mysql -u root -p On database create database cloud; create user 'cloud'@'localhost' IDENTIFIED BY 'password'; grant all privileges on cloud.* TO 'cloud'@'localhost'; flush privileges; exit; Go to directory /var/www cd /var/www/ Download Nextcloud version 22.1.1.zip wget https://download.nextcloud.com/s...