[DOC] update Generic Linux dev guide (#5848)

iNavFlight · Jun 23, 2020 · 060a6b1 · 060a6b1
1 parent 425cf34
commit 060a6b1
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diff --git a/docs/development/Generic_Linux_development.md b/docs/development/Generic_Linux_development.md
@@ -24,16 +24,22 @@ In addition to a cross-compiler, it is necessary to install some other tools:
 
 ### Ubuntu / Debian
 ```
+$ # make sure the system is updated first
+$ sudo apt update && sudo apt upgrade
 $ sudo apt install gcc git make ruby curl
 ```
 
 ### Fedora
 ```
+$ # make sure the system is updated first
+$ sudo dnf -y update
 $ sudo dnf install gcc git make ruby curl
 ```
 
 ### Arch
 ```
+$ # make sure the system is updated first
+$ sudo pacman -Syu
 $ sudo pacman -S gcc git make ruby curl
 ```