GNU/Linux : how to distribute a secret amongst a group of participants ?
How to distribute a secret amongst a group of participants ? Have a look to Shamir's Secret Sharing Scheme on
Sécurité : recommandation de longueur pour les clés cryptographiques
Vous trouverez sur des recommandations de longueurs pour les clés cryptographiques.
GNU/Linux : how to chroot sftp-only ssh users ?
Prequisite : a running ssh server. Below are the steps to chroot sftp-only ssh users. All users who belong to the group 'sftp-users' (for example a user named 'john') can…
GNU/Linux : how to secure your Ubuntu distrib : first tips
Have a look to to have firsttips to secure your Ubuntu distrib.
Network : dnsdomain online tool
A good dnsdomain online tool is :
Web : how to remove your account or public profile on most popular websites ?
How to remove your account or public profile on most popular websites ? Have a look to this website :
GNU/Linux : how to use pattern for rsync backup tool
A good site to understand how to use pattern with rsync backup tool is available on
GNU/Linux : 2 different ways to make a full website ftp backup using Linux command line
How to make full backup of your website via ftp using a Linux command line ? First let's suppose that : your ftp login is "my_ftp_login" your ftp password is…
GNU/Linux : how to backup full disk with Clonezilla / Drbl server
Here are following two ways to make a fulll disk backup with Clonezilla / Drbl server. - First one, the easiest, is to download a Clonezilla Live ISO, to put…
GNU/Linux : how to check opened ports in linux ?
The simplest way to check opened ports in linux is to use the following 'netstat' command in a terminal : netstat -nlapute