Setup
Fix the network interface disappearance issue on Debian
After a hardware change (either network interface or motherboard), the network interfaces can be missing. This guide describe how to fix this issue.
Setup
Install Liquid Prompt sur Debian
Liquid Prompt is an adaptive prompt for Bash and Zsh. This guide ease its installation on Debian.
Setup
Reset a USB device on Debian
This howto describes how to reinitialize the state of a USB device without unplugging it. It does not work for USB devices not listed by “lsusb” command.
Setup
Reset a PCI device on Debian
In some cases, i can be needed to reset a PCI device without restarting the system. This guide describe how to reset a PCI device from command line.
Setup
Maximize available disk space on Ext 3 & 4 filesystems
By default, Ext 3 & 4 filesystems reserve 5% of available disk space for special processes (root user, syslog, fragmentation avoidance, etc.). On big partitions, it amount to quite a lot of lost space. This howto describe how to get back this disk space.
Setup
Change the hostname of a Debian GNU/Linux system
For system administrator frequently cloning Debian GNU/Linux virtual hosts, this guide ease the modification of the system hostname.
Setup
Setup SSH sessions to be persistent between connections on Debian
By default, a SSH session close in case of network disconnection, killing automatically any and all software currently running. This guide use the “byobu” software render SSH sessions persistent during disconnections.
Setup
Synchronize system clock to International Atomic Time on Debian
NTP (acronym of Network Time Protocol) is a communication protocol conceived to synchronize computer clocks worldwide to the International Atomic Time (TAI).
Unix Shell
Setup Vim for software development
Vim (for Vi Improved) is a screen-oriented text editor originally created for the Unix operating system. This guide install some helpful plugins for PHP development.
Software
Install Vim on Debian
Vim (for Vi Improved) is a screen-oriented text editor originally created for the Unix operating system. This guide install a configured Vim as the default system editor.
Setup
Redirect system emails to an external email address
By default, system emails are sent to the local root account. These emails can provide alerts and tips on the system health. This guide help you setup a redirection to an external email address (sysadmin’s one) for these emails.
Software
Setup Debian’s security repository
The Debian security team provides regular security fixes in a dedicated software repository. It is enabled by default. This guide move the security repository configuration from APT main repository configuration to a satellite file.
Web applications
Install Calibre OPDS PHP Server (COPS) on Debian
COPS is a Web application allowing the publishing of a Calibre e-books library as a OPDS catalog (Open Publication Distribution System). It allow to easily download e-books from a Calibre library on a e-reader supporting the OPDS format.
Software
Install Seafile client on Debian
Seafile is a self-hosted alternative to Dropbox. This guide describe how to install the Seafile command-line client as a service on Debian.
PHP
Send an email notification on PHP errors
Being notified quickly of errors triggered on a server allow for a quick resolution of problems on a production site. This guide set up a e-mail notification of PHP errors.
PHP
Log PHP messages with syslog
PHP messages are often stored in the HTTP server logs. It is easier to watch for security issues when PHP errors are sent to a central location. This guide use syslog to store PHP messages in “/var/log/php.log”.
PHP
Install PHP extension OPCache on Debian
OPcache improves PHP performance by storing precompiled script bytecode in shared memory, thereby removing the need for PHP to load and parse scripts on each request. This guide describe its installation on Debian.
PHP
Install PHP extension APCu on Debian
APCu is a user data cache extension for PHP. It is used by many PHP applications to improve their performances.
PHP
Improve PHP initial configuration on Debian
Debian’s initial PHP configuration is a very good start. This guide provides adjustments improving upon it.
PHP
Ease PHP configuration with php-tools
Memory limit, upload file size, quotes management, etc. are all PHP configuration options which change is required by various Web applications during their installation. This howto provides a command-line tool to automate the edition of PHP global settings.
PHP
Install PHP-FPM on Debian
PHP-FPM is an greatly enhanced FastCGI mechanism for PHP. It greatly raise the performances of PHP sites. This howto help you to setup this software on Debian.
Apache 2
Tighten Apache 2 security on Debian
Apache 2 is a robust server with many features. This guide tightens the security of an Apache 2 server by applying basic settings.
Apache 2
Ease Apache 2 server administration with a2tools
a2tools is a command-line tool easing and automating the daily administration of a Apache 2 server on Debian. This howto describe its installation and usage.
Apache 2
Install Apache 2 on Debian
Apache is one of the most used HTTP server worldwide. It is known for is configurability and modularity. a very popular HTTP server. This guide helps you deploy an Apache 2 HTTP server on Debian GNU / Linux.
Software
Install Calibre on Ubuntu
Calibre is an e-book library manager. One of its notable features is the conversion between various e-book formats. Its fast development cycle prevent the use of apt repositories to install it. This guide describes how to install Calibre and set up a auto-update cron task.