24 posts with tag "debian"
December 17th, 2016 2,717
A simple guide to setup and monitor APC UPS on two or more Ubuntu/Debian computers (Master - Slave(s) setup) using apcupsd
December 11th, 2016 2,977
A simple guide to setup APC UPS on Ubuntu workstation computer (standalone mode) using apcupsd
Find out how to add and remove software and apply system updates in Ubuntu Desktop (GUI utilities and command line version).
After installing a new Linux kernel, old kernels are not automatically deleted. They remain in your disk. You have to delete them manually. Why?
January 24th, 2016 20,742
Upgrading to a minor version is done through the upgrade process of Debian. For major versions, the process is much more complex.
September 7th, 2015 23,060
Criteria for selecting the right SSL Certificate. Detailed instructions on how to setup the certificate in a Debian server. Validate your certificate.
A guide to upgrade a server machine from Debian 7 Wheezy to 8 Jessie using apt-get. Remember to create a full backup before.
Dedicated server setup, using Debian 8 Jessie step by step. It is a Hetzner EX40 server. Apache, php, MySQL, memcached. Basic monitoring and security tools.
Simple steps to enable and configure mod-security Apache module on Debian Wheezy, using Core Rule Set (CRS)
Debian 7 Wheezy with Xfce4 is a lightweight desktop environment, fast and user friendly. Support for sound, Flash, Nvidia and networking "out of the box".
Detailed guide to create OpenVPN server on Debian. Manage VPN users. Connect from any operating system.
Avoid reverse DNS errors when sending mail from a machine without public IP or domain available. Adjust exim4 to use SMARTHOST.
How to Install PostgreSQL 9.1 or the latest PostgreSQL version 9.3 on Debian 7 Wheezy. Basic settings after installation.
October 21st, 2013 206,093
Logs is the best place to start troubleshooting. Concerning MySQL (or MariaDB), you need to refer to: General query Log, Error Log and Slow Query Log
A guide to upgrade a server machine from Debian 6 Squeeze to Debian 7 Wheezy using apt-get. Remember to create a full backup before.
Psad is an intrusion prevention software, which makes use of iptables log messages to detect and (optionally) block port scans and other suspect traffic.
Fail2Ban is an intrusion prevention software which analyzes log files and ban possible attacks (mainly Brute-force), using firewall (iptables and more).
Dedicated server setup, using Debian 7 Wheezy step by step. It is a Hetzner EX4S server. Apache, php, MySQL, memcached. Basic monitoring and security tools.
Installation and Configuration of Memcached, free & open source, high-performance, distributed memory object caching system with PHP on production Debian Server
Detailed instructions to create a LAMP server using recently released Debian 7 Wheezy RC1. We select systemd as Linux init daemon.
Recently, many popular Linux distributions have moved from MySQL to MariaDB. Think if you have to move to MariaDB in your production servers.
Enabling GZIP compression saves bandwidth and may increase website response. Use web server logs or various online tools to check gzip compression setup.
Updating Debian Server: how to get notifications, how urgent is to upgrade, which are security updates, when reboot required, which services need restart.
February 25th, 2013 117,903
Debian should be the first choice for server, as it offers Upgradability, Security, Stability, Packages pre-configuration and it's Free and Open Source.