October 26, 2021
October 26, 2021. Programming
As an asynchronous event-driven JavaScript runtime, Node.js is designed to build scalable network applications. Nodejs team build Debian custom repositrory and instalation of nodejs is very simple : sudo curl -fsSL https://deb.nodesource.com/setup_17.x | bash - sudo apt-get install -y nodejs […]
October 26, 2021. Administration
The Network Time Protocol (NTP) is a networking protocol for clock synchronization between computer systems over packet-switched, variable-latency data networks. In operation since before 1985, NTP is one of the oldest Internet protocols in current use. NTP was designed by David L. Mills of the […]
October 22, 2021
October 22, 2021. Programming
Composer is a tool for dependency management in PHP. It allows you to declare the libraries your project depends on and it will manage (install/update) them for you. Composer requires PHP 5.3.2+ to run. A few sensitive php settings and compile flags are also required, but when using the installer […]
October 21, 2021
October 21, 2021. Security
What is ACL ? Access control list (ACL) provides an additional, more flexible permission mechanism for file systems. It is designed to assist with UNIX file permissions. ACL allows you to give permissions for any user or group to any disc resource. Use of ACL : Think of a scenario in which a […]
October 20, 2021
October 20, 2021. Databases
Debian 11 , comming with PostgreSQL 13. Official documentation is very good. On Debian is very simple proces of instalation database. sudo apt install postgresql sudo -u postgres createuser --pwprompt example sudo -u postgres createdb -O example example […]
October 19, 2021
October 19, 2021. Networking
If don't like how systemd give name of your network interface (eno1,enp6s0,...) you can easy to switch on old names (eth0,eth1,..). Open file /etc/default/grub sudo nano /etc/default/grub Find line with GRUB_CMDLINE_LINUX_DEFAULT and add net.ifnames=0, my example: […]
October 18, 2021
October 18, 2021. Monitoring
About Zabbix (more about Zabbix from source https://www.zabbix.com) Zabbix is 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 […]
