$sudo vim /etc/init/failsafe.conf 

 1 script 
 2         ＃ Determine if plymouth is available 
 3         if [ -x /bin/plymouth ] && /bin/plymouth --ping ; then 
 4                 PLYMOUTH=/bin/plymouth 
 5         else 
 6                 PLYMOUTH=":" 
 7         fi 
 8  
 9     ＃ The point here is to wait for 2 minutes before forcibly booting  
10     ＃ the system. Anything that is in an "or" condition with ""started  
11     ＃ failsafe"" in rc-sysinit deserves consideration for mentioning in 
12     ＃ these messages. currently only static-network-up counts for that. 
13  
14         sleep 20 
15  
16     ＃ Plymouth errors should not stop the script because we *must* reach 
17     ＃ the end of this script to avoid letting the system spin forever 
18     ＃ waiting on it to start. 
19         ￥PLYMOUTH message --text="Waiting for network configuration..." || : 
20         sleep 1　　＃标注1 
21 
22         ￥PLYMOUTH message --text="Waiting up to 60 more seconds for network configuration..." || : 
23         sleep 1　　＃标注2 
24         ￥PLYMOUTH message --text="Booting system without full network configuration..." || : 
25  
26     ＃ give user 1 second to see this message since plymouth will go 
27     ＃ away as soon as failsafe starts. 
28         sleep 1 
29     exec initctl emit --no-wait failsafe-boot 
30 end script

开机提示： Booting system without full network configuration,古老的榕树,5-wow.com