Author: Marc Olivier Meunier

Marc has spent the past few years putting oil on the fire of growth companies. He leads by example and puts a lot of emphasis on inclusion, constantly working to create a safe environment. A warm leader with a passion for memorable experiences and innovation.
Marc is available for contracting as a fractional Head of Customer Experience.
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How to set the $LANG and $LC_ALL properly

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How to view the current locale setting

# locale
LANG=en_US
LC_CTYPE= "en_US"
LC_NUMERIC= "en_US"
LC_TIME= "en_US"
LC_COLLATE= "en_US"
LC_MONETARY= "en_US"
LC_MESSAGES= "en_US"
LC_ALL=en_US

How to change the locale setting

To change the current locale setting, first confirm that the desired locale is
installed on the system with:

How to turn off the annoying speaker beep on Ubuntu

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There is a simple and easy way to make sure the speaker of your pc will stop beeping everytime you issue a wrong command.
Try

sudo lsmod | grep pcspkr

If you can see 

pcspkr

Turn it off

How to flush the postfix queue

Reading Time: < 1 minuteFor some reason Postfix sometimes get stuck.
To see if there are some email stuck in the queue you can simply type:

oktober# mailq
-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------
38A1BF3B1*     1152 Thu Feb 12 00:22:39  www-data@oktober.momeunier.fr
                                         momeunier@gmail.com

-- 1 Kbytes in 1 Request.

Fortunately there is a little binary called postqueue that can help.


















5 Great security tools for Ubuntu















Reading Time:   3 minutesUbuntu usually comes out of the box with a pretty good set of security features. However there are some really great tools out there that can help to save some hassle…