Add -y flag for easier installation (#1024)

* Add -y flag for easier installation

* Add update command before installing

* Update README.md

---------

Co-authored-by: Shuanglei Tao <tsl0922@gmail.com>

diff --git a/README.md b/README.md
index 04af819a4efcb0a6895b77457a09dd52a64b972c..1dcd6cb51f84fd4258060512be10e04d8591f3b1 100644 (file)
--- a/README.md
+++ b/README.md
@@ -37,7 +37,8 @@ ttyd is a simple command-line tool for sharing terminal over the web.
 - Install the snap: `sudo snap install ttyd --classic`
 - Build from source (debian/ubuntu):
     ```bash
-    sudo apt-get install build-essential cmake git libjson-c-dev libwebsockets-dev
+    sudo apt-get update
+    sudo apt-get install -y build-essential cmake git libjson-c-dev libwebsockets-dev
     git clone https://github.com/tsl0922/ttyd.git
     cd ttyd && mkdir build && cd build
     cmake ..