Category: Computers


Antispam SBL Lists “” are dead

Problem of this thursday 22th of may 2014 : no more email is arriving on my self-hosted smtp server. The forwarded error message is :  550 v=spf1 a -all. I discovered that antispam SBL lists hosted at are all dead, following an activity...


Data recovery from a Linux harddisk using LVM

Receiving a request from somebody who owns a home server I have installed in the past, I have updated myself about methods to retrieve data from Linux  hard drives with LVM volume management . The server is actually gone up in smoke ....


Manage internet passwords

Password management on internet ( and others ) is a critical function. You have to find a method sufficiently secure, but also be able to retrieve the passwords have set. Whichever method you use, you must have different passwords between...