Erwan Martin

About

• About me
  (October 2020)

FreeBSD and Linux

• Multiple VLANs and WiFi SSIDs on OpenWRT using Ubiquiti Unifi 6+ access points
  (March 2025)
• BTX halted: migrating a FreeBSD server's boot system from MBR/Legacy to UEFI
  (January 2023)
• Fixing a FreeBSD server with out of sync etcupdate status
  (November 2022)
• Moving a Samba/OpenLDAP domain controller from CentOS to Debian
  (November 2022)
• Expanding a ZFS RAID-Z2 by switching to bigger disks
  (April 2022)
• Encrypted snapshot-based incremental backups with OpenZFS on FreeBSD 12.2
  (October 2020)
• How to protect or unprotect specific routes of your application using HTTP auth with NGINX
  (August 2019)
• How to rebuild nginx with LDAP support on CentOS
  (January 2019)
• Build your own FreeBSD ports and make packages out of them using jails, poudriere and portshaker
  (December 2017)
• Installing sympa on FreeBSD
  (August 2017)
• Running Jabber/XMPP client Kaiwa on FreeBSD
  (January 2017)
• Building a continuous-integration Android build server on FreeBSD: Part three: configuring Jenkins for on-demand builds
  (November 2016)
• Building a continuous-integration Android build server on FreeBSD: Part two: configuring Gitlab-CI
  (November 2016)
• Building a continuous-integration Android build server on FreeBSD: Part one: building APKs using Linux emulation
  (November 2016)
• How to install PyInstaller in a Python Virtual-Env on FreeBSD
  (July 2016)
• Creating a simple git repository server (with ACLs) on FreeBSD
  (January 2016)
• Building and running Couchbase on FreeBSD
  (October 2015)
• GLIB header files do not match library version
  (October 2015)
• FreeBSD, MySQL and the story of the unlinked named pipe
  (August 2015)
• FreeBSD, POSIX.1e ACLs and inheritance
  (July 2015)
• Curl: C compiler cannot create executables
  (June 2015)
• The story of a hard system segfault
  (March 2015)
• How to share ElasticSearch mappings in files on FreeBSD
  (March 2015)
• Building a FreeBSD small office IPBX server. Part 2: Installing and configuring the ISDN Card
  (March 2015)
• Building a FreeBSD small office IPBX server. Part 1: Installing and configuring FreeBSD
  (March 2015)
• Peregrinations in the realm of PostgreSQL upgrades
  (January 2015)
• "error: cannot combine with previous 'int' declaration specifier" building FreeBSD 10.0 releng
  (December 2014)
• How to use user/password authentication with OpenVPN on FreeBSD
  (November 2014)
• How to allow specific IPs to connect to a lighttpd webserver, and have the others use mod_auth
  (October 2014)
• How to apply FreeBSD10's autotools patches manually
  (October 2014)
• How to install pecl-apd with PHP 5.5 on FreeBSD
  (October 2014)
• Xymon's RRD graphs are missing fonts.
  (September 2014)
• How to install OpenERP 8 (Odoo) on FreeBSD and run it alongside OpenERP 7.x
  (September 2014)
• How to build Android APKs on a FreeBSD server
  (July 2014)
• How to have cpuminer use all CPUs on FreeBSD
  (March 2014)
• How to connect to a MySQL/MariaDB server with PHP using the dialog plugin.
  (January 2014)
• How to use Wireshark on Windows to watch a remote UNIX system, using SSH
  (January 2014)
• List the differences between two folders on different hosts
  (January 2014)
• How to get rid of "Warning: using insecure memory" using spamassasin on FreeBSD
  (January 2014)
• How to get ubuntu 8.04 working with the DigiPoS "Toccare" Bezel Free Touch Screen
  (August 2013)
• A simple DTrace userland example on FreeBSD
  (June 2013)
• How to use mod_dtrace to use DTrace with Apache on FreeBSD
  (June 2013)
• How to show the sent TCP packet sizes on FreeBSD using Dtrace
  (June 2013)
• How to show accepted TCP connections on FreeBSD using Dtrace
  (June 2013)
• How to send emails to an SMTP server using the command line under FreeBSD
  (June 2013)
• How to install pecl-apd with PHP 5.4 on FreeBSD
  (February 2013)
• How to setup pf to be able to access a natted ftp server inside a jail
  (January 2013)
• LDAP server fails to start because of a corrupted database on FreeBSD
  (January 2013)
• How to know which resources are called after using apache's http server's mod_rewrite.
  (March 2012)
• smbldap-tools' "Failed to add entry for user"
  (March 2012)
• How to use jails with epair with FreeBSD 9.0
  (January 2012)
• How to use jails with epair with FreeBSD 8.2
  (August 2011)
• How to use FreeBSD as a ISCI Target and Initiator (with CHAP)
  (June 2011)
• Using MySQL through ODBC on FreeBSD.
  (February 2011)
• Create a cacher for APT with apt-cacher.
  (September 2010)
• Local users in VSFTPD can't have a a false shell (was, VSFTPD problems with all logins anonymous or PAM)
  (April 2010)
• How to chain ssh tunneling
  (April 2010)

Programming

• Playing with Flask, send_file and various configurations to configure performant HTTP range requests
  (March 2019)
• How to advertise a device on the network using Python
  (October 2016)
• How to debug python code using GDB on FreeBSD without compromising your system
  (September 2016)
• How to translate a Flask-App, including content generated by Javascript
  (July 2016)
• How to use the CAN bus of a Beagle Bone Black from Erlang
  (May 2015)
• Elasticsearch: request does not support [filter]
  (May 2015)
• Using Intellij IDEA to write and debug Erlang code
  (February 2015)
• Playing with rrdtool counter resets
  (December 2014)
• How to write a table into a PDF using Python and Reportlab
  (November 2014)
• How to verify DKIM signatures manually
  (October 2014)
• Building an OTP release including Lager with rebar and reltool
  (September 2014)
• How to download only one Android source code project using repo
  (July 2014)
• How to run a laravel package's migrations
  (June 2014)
• How to sign POST requests with OAuth 1.0 using oauth-signpost and HttpURLConnection
  (April 2014)
• How to change the icon, version or another resource of Windows executables built with PAR::Packer
  (November 2013)
• OLE: How to be sure Excel recalculates your cells after you did things to them
  (October 2013)
• How to use apache2's mod_auth_mysql with a drupal 6 user database
  (September 2012)
• How to authenticate ProFTPd against a LDAP server with client certificates
  (March 2012)
• How to get ruby's strftime to have localized dates
  (February 2012)
• How to format a file size in Excel (B, KB, MB, GB)
  (February 2011)
• Create a complete solid cylinder with GLUT.
  (September 2010)
• How to parse CSV data with Regular Expressions.
  (September 2010)
• XSLT - How To Change the URL of a Namespace
  (April 2010)
• How to reactivate the "project outline" in Zend Studio for Eclipse
  (April 2010)
• How to make libsmblient only open one connection per server
  (April 2010)
• Verifying If Windows Firewall is Enabled in Delphi
  (April 2010)
• How to read a REG_MULTI_SZ value into the registry in Delphi
  (April 2010)
• How to write a REG_MULTI_SZ value into the registry in Delphi
  (April 2010)
• Force ShellExecute to run with elevated privileges in Delphi
  (April 2010)
• Force ShellExecute to run and wait for completion with elevated privileges in Delphi
  (April 2010)

Electronics and embedded systems

• Home automation: reading my IZAR WMBus PRIOS hot water smart meter
  (April 2020)
• How to stop the watchdog timer of a BeableBone Black running Linux
  (September 2016)
• BeagleBone Black, FreeBSD and GPIOs
  (October 2013)
• BeagleBone Black, FreeBSD and PWMs
  (October 2013)
• nRF24L01 and STM8S microcontrollers
  (October 2013)

Misc

• Resetting the firmware of a MegaRAID LSI SAS-9266-8i
  (August 2018)
• Jabber/XMPP transport for Google Hangouts
  (December 2015)
• Drupal: show/hide location fields with module Conditional Fields
  (November 2014)
• How to extract the windows license key from a Lenovo T440p recovery CDs.
  (October 2014)
• How to create a certificate to send APNS notifications, manually using OpenSSL
  (October 2014)
• How to add HTTP Authorization to Synology's web interface
  (October 2014)
• How to create a rar file with every file matching a pattern (including subdirectories) on Windows
  (November 2013)
• How to restart dwm.exe on Windows 8 because it take too much memory
  (November 2013)
• How to get the serial number of a SunFire V20Z Server
  (July 2013)
• How to synchronize users and groups from Active Directory (including passwords) to virtually anything
  (September 2012)
• How to allow non-administrator users to use RDP on a domain controller
  (September 2012)
• Things you might try to restore your windows networking after malware cleaning.
  (March 2012)
• How to kill javaw.exe
  (December 2011)
• How to do a netbios name reverse lookup using samba.
  (November 2011)
• How to use bazaar through a HTTP Proxy
  (November 2011)
• How to configure the SPA500S Attendant Console with Asterisk/FreePBX
  (May 2011)
• smbclient can't list shares of windows 7
  (November 2010)
• How to remove all the windows 6.x 6to4 adapter automatically
  (September 2010)
• How to display output in more than one window with VLC Media Player.
  (September 2010)
• WiFi: Intel 4965AGN (Dell Precision M4300 and others)
  (April 2010)
• Prevent a windows computer from becoming local master
  (April 2010)
• Samba: Change of IP address isn't taken into account
  (April 2010)
• Vista sees multiple networks in network center
  (April 2010)
• How to compress TI89 text files from 89t to 89y
  (April 2010)

PXE

• Serve Clonezilla with PXE using TFTP on a UEFI computer
  (October 2014)
• Boot the BIOS update tools of Intel's D525MW using PXE
  (August 2013)
• How to boot Linux Mint 13 using PXE
  (July 2012)
• Boot Kon-Boot 2.0 using PXE
  (July 2012)
• Serve Clonezilla with PXE using TFTP on a legacy BIOS computer
  (March 2012)
• Boot the BIOS update tools of MSI's K9N2 SLI Platinum / K9N2 Zilent using PXE
  (March 2012)
• How to install FreeBSD 90 via PXE from anywhere (i.e. without a NFS server)
  (February 2012)
• Boot Wester Digital's diagnostic tool "Data Lifeguard Diagnostic" using PXE
  (January 2012)
• Boot Hitachi's drive test tool "Drive Fitness" using PXE
  (January 2012)
• How to install FreeBSD 82 via PXE from anywhere (i.e. without a NFS server)
  (December 2011)
• Serve clonezilla using PXE on a freebsd host with nfs.
  (March 2011)

Articles en français (articles in French)

• Archives de Lycée: cours de terminale S pour TI-89
  (July 2016)
• RF24L01 et STM8S
  (October 2013)
• Création d'un système audio personalisé pour Clio 2
  (July 2013)
• Création d'un programme de générarion de mosaique de texte en dotNET. (2005)
  (April 2010)
• Microsoft Agent sous Delphi. (2004)
  (April 2010)