Getting rid of unneeded linux firmwares in Alpine

25/06/2019 - Only one minute to readlinux alpine adminsys tips

The default Alpine Linux installation comes with many unneeded firmwares installed (just in case). Luckily, they can be easily removed with a simple apk add linux-firmware-none.

Top et Htop

12/01/2019 - 4 good minutes to readlinux adminsys tips

Top is a posix command to collect many informations about running processes on your machine. Htop is a popular alternative giving you the same informations plus some more in a nicer interface.

Setting a Gzip bomb in Nginx without PHP

11/11/2018 - 2 good minutes to readnginx adminsys

Tired of seeing thousands of 404 erros in my access.logs of users trying to find php files to hack my server I wanted to fight back. I set up a Gzip bomb. Let's see how to set this up with Nginx but without PHP.

Using HTTP2 and PUSH in nginx

01/06/2018 - 4 good minutes to readwww nginx adminsys

How to benefit from HTTP2 new features from nginx ?

Lock your /etc/resolv.conf in OpenWRT

07/04/2018 - 2 good minutes to readtips adminsys dns

Here is how to lock you /etc/resolv.conf in Openwrt

Sisyphus the spam mover

20/03/2018 - 3 good minutes to readmail software adminsys réseau mail postfix

Meet Sisyphus, a little antispam software which plays directly in your maildir.

Reverse proxy, 6 months later

01/03/2018 - 3 good minutes to readmeta nginx www adminsys software

Six months later here a little feedback about the reverse proxy on my blog.

Ultimate DNS guide v1

27/10/2017 - 16 good minutes to readdns network adminsys knot dane dnssec

The ultimate DNS guide. How to set it up, how to maintain it, how to have a modern stack. Deploying DNSSEC and DANE.

Easily manage your dotfiles with git

16/10/2017 - 5 good minutes to readtips adminsys git linux

Manage your dotfiles without a new soft. Easily with versionning and all.

Using CAA dns records to protect your TLS

06/10/2017 - 3 good minutes to readadminsys sécu knot dns tls

Enhancing your TLS stack thanks to this new dns record.

Leveraging nginx microcaching to boost your perf and prevent downtime

24/09/2017 - 2 good minutes to readwww software adminsys tips nginx

How to set microcaching on an nginx reverse proxy.

Unmount your root without reboot

16/09/2017 - 3 good minutes to readsoftware tips linux cli adminsys fs btrfs

How to unmount your root filesystem when your os runs on it ? Follow the guide

Managing Gentoo's overlay without layman

06/10/2016 - Only one minute to readadminsys software linux gentoo cli

Managing Gentoo's overlay without using the good old layman

Start services in tmux at boot times

08/03/2016 - Only one minute to readadminsys software linux tips cli tmux

A trick to bypass your init in order to start applications in tmux at boot times. Really handy and better than a classic init.

Dinamycally updating your DNS zones

31/03/2015 - Only one minute to readadminsys réseau tips dns

How to dynamically update your DNS records without editing the zone file. Locally or remotely.

Multi devices BTRFS

16/02/2014 - 4 good minutes to readlinux software adminsys tips fs btrfs

Let's play with BTRFS multi devices.

BTRFS snapshots

02/04/2013 - 2 good minutes to readsoftware adminsys fs btrfs

Let's play with btrfs snapshots

Throw you livebox out but conserve your TV service

09/12/2012 - 6 good minutes to readadminsys network tips

Tutorial to replace a Livebox with a true router. The goal is to keep the TV service.

Hack^wFixing some Gentoo.

Only one minute to readgentoo adminsys tips portage

Emerging gentoo ebuild when your toolchain is broken

Let's Protocol !

Only one minute to readadminsys tips network mail irc smtp imap tls

We are gonna talk different network protocols by hand

New kernel not for fun

Only one minute to readadminsys linux

Playing with OpenVZ

2 good minutes to readtips virtu adminsys

Adding PostGrey and …

2 good minutes to readadminsys mail postfix

My journey to enhance my selfhosted mailserver

Unicodisation

Only one minute to readgentoo libre tips adminsys