/Shell/Bash/Check if internet is available shell script

Check if internet is available shell script

test=google.com
if nc -zw1 $test 443 && echo |openssl s_client -connect $test:443 2>&1 |awk '
  handshake && $1 == "Verification" { if ($2=="OK") exit; exit 1 }
  $1 $2 == "SSLhandshake" { handshake = 1 }'
then
  echo "we have connectivity"
fi

Source: unix.stackexchange.com

Similar codes

1 vote189 views1 answer
Hibernate ubuntu
Shell/Bash
2 votes202 views1 answer
Install idle3 terminal
Shell/Bash
1 vote199 views4 answers
Error: couldn't connect to server 127.0.0.1:27017, connection attempt failed
Shell/Bash
25 votes204 views3 answers
Linux compress folder
Shell/Bash
0 vote191 views1 answer
How to restart mongodb server in ubuntu
Shell/Bash
0 vote196 views1 answer
Get total hdd space linux
Shell/Bash
0 vote211 views2 answers
Npm@azure/msal-browser 2.3.0
Shell/Bash
14 votes242 views1 answer
Artisan rollback one migration
Shell/Bash
5 votes188 views2 answers
Git origin command
Shell/Bash
0 vote207 views1 answer
How to perform an action for each line in bash
Shell/Bash