shell{&}co – Page 11

KVM virtualization using command line on Ubuntu 15.10

Recently, I have tested the KVM hypervisor on a server running Ubuntu 15.10. The challenge, for me, was to install, configure and use the KVM host and guest only with the command line. First check, your server have to support

Ban-Unban an IP address from cli with fail2ban

Useful commands to ban or unban an IP address from cli. For that we will use the fail2ban-client command. Unban Before unban an ip address, you have to find the jail where the ip address has been ban. To do

Mount a Google drive under Linux

Useful tool if you want to mount your Google Drive on your favorite Linux distro. I have tested it on an Ubuntu workstation (latest stable release). Be sure Google Chrome or firefox are installed. The installation steps are quite simple:

Generate CSR for multiple domain names

Generate CSR for multiple domain names Here is a simple tip to generate a CSR containing SAN (Subject Alternative Names) with OpenSSL in two line. The first step is to generate the private key: openssl genrsa -out your_private.key 4096 Subject

Fail2ban fakegooglebot jail bug

When I have checked my fail2ban server logs (by default the fail2ban log file is /var/log/fail2ban.log ), I have found the following error: fail2ban.action [10241]: ERROR /etc/fail2ban/filter.d/ignorecommands/apache-fakegooglebot 66.249.78.164 — returned 1 fail2ban.filter [10241]: INFO [apache-fakegooglebot] Found 66.249.78.164 fail2ban.action [10241]: ERROR

Webmail client with 2-step verification codes

I have found a simple webmail client that is very to install and configure: Rainloop This webmail client have the following features : Modern user interface. Complete support of IMAP and SMTP protocols including SSL and STARTTLS. Sieve scripts (Filters

Digitally sign your email on the MTA side

Why sign your email directly on the MTA (here we will talk about Postfix MTA) ? I don’t find a simple webmail client for my email server that include a S/MIME and/or PGP functionality to sign/encrypt outgoing messages. So I

Sign and encrypt your emails

I have finally found a good email application running on Android that have the following features: support Gmail, Exchange and Postfix/Dovecot email account support S/MIME and PGP signing and encryption This application is called R2Mail2 The price is quite low:

Linux Server monitoring dashboard

eZ Server Monitor (eSM) is a lightweight and simple dashboard for Linux machine. Two versions are available : a web and a shell version. The features: System eZ Server Monitor Web – System In System block, the datas about the

Remove local user profile

I have found a great script to remove local profile to a remote or a local machine. I have added two features to this script : list only the “non loaded” profile possibility to remove all profiles The first point