Fix nohup

Signed-off-by: Lup Yuen Lee <luppy@appkaki.com>

Author: lupyuen

src/tftp.md

@@ -96,7 +96,7 @@ sudo $HOME/.cargo/bin/tftpd \
   -d "$HOME/tftproot"
 
 ## Or use `nohup` to keep it running continuously
-nohup sudo $HOME/.cargo/bin/tftpd --duplicate-packets 1 -i 0.0.0.0 -p 69 -d "$HOME/tftproot"
+nohup sudo $HOME/.cargo/bin/tftpd --duplicate-packets 1 -i 0.0.0.0 -p 69 -d "$HOME/tftproot" &
 ```
 
 [(__`duplicate-packets`__ is needed to prevent TFTP Timeouts)](https://lupyuen.github.io/articles/tftp2#send-everything-twice)

src/tftp2.md

@@ -140,7 +140,7 @@ sudo --preserve-env \
   -d /tftpboot
 
 ## Or use `nohup` to keep it running continuously
-## nohup sudo --preserve-env $HOME/.cargo/bin/cargo run -- -i 0.0.0.0 -p 69 -d /tftpboot
+## nohup sudo --preserve-env $HOME/.cargo/bin/cargo run -- -i 0.0.0.0 -p 69 -d /tftpboot &
 
 ## Test our TFTP Server
 ## TODO: Change `192.168.x.x` to your TFTP Server Address
@@ -195,7 +195,7 @@ sudo $HOME/.cargo/bin/tftpd \
   -d "$HOME/tftproot"
 
 ## Or use `nohup` to keep it running continuously
-nohup sudo $HOME/.cargo/bin/tftpd --duplicate-packets 1 -i 0.0.0.0 -p 69 -d "$HOME/tftproot"
+nohup sudo $HOME/.cargo/bin/tftpd --duplicate-packets 1 -i 0.0.0.0 -p 69 -d "$HOME/tftproot" &
 ```
 
 [(See the __Pull Request__)](https://github.com/altugbakan/rs-tftpd/pull/7)