fix link to next session

5_users_and_rights.md

@@ -275,4 +275,4 @@ When SE Linux is enabled on a system, every **processes** can be assigned a set
 > - `groups` to list groups
 > - `usermod`to manipulate user's to groups
 
-[To understand more about processes you can head to the next section.](https://http://perso.ens-lyon.fr/laurent.modolo/unix/6_unix_processes.html)
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+[To understand more about processes you can head to the next section.](http://perso.ens-lyon.fr/laurent.modolo/unix/6_unix_processes.html)
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6_unix_processes.md

@@ -244,5 +244,5 @@ Without root access you can only set value higher than 0.
 > - `stress` to launch mock computation
 > - `nice`/`renince` to change the nice value of a process
 
-[To learn how to articulate processes you can head to the next section.](https://http://perso.ens-lyon.fr/laurent.modolo/unix/7_streams_and_pipes.html)
+[To learn how to articulate processes you can head to the next section.](http://perso.ens-lyon.fr/laurent.modolo/unix/7_streams_and_pipes.html)
 

7_streams_and_pipes.md

@@ -141,4 +141,4 @@ Remember that most Unix command process input and output line by line. Which mea
 > - `|` the pipe operator to connect processes
 > - `wget` to download files
 
-[You can head to the next session to apply pipe and stream manipulation.](https://http://perso.ens-lyon.fr/laurent.modolo/unix/8_text_manipulation.html)
+[You can head to the next session to apply pipe and stream manipulation.](http://perso.ens-lyon.fr/laurent.modolo/unix/8_text_manipulation.html)
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