I believe it depends which version of netcat you're using, see the following for background: https://issues.apache.org/jira/browse/ZOOKEEPER-737
Regards, Patrick On Thu, Oct 29, 2020 at 6:18 AM Debraj Manna <subharaj.ma...@gmail.com> wrote: > Anyone any thoughts on this one? Same has been asked in stackoverflow also > > > https://stackoverflow.com/questions/64587307/correct-way-to-check-zookeepers-running-mode > > On Wed, Oct 28, 2020 at 9:37 PM Debraj Manna <subharaj.ma...@gmail.com> > wrote: > > > Hi > > > > Can someone let me know what is the recommended way to check if zookeeper > > is running via netcat? > > > > The documentation > > <https://zookeeper.apache.org/doc/r3.5.2-alpha/zookeeperAdmin.html> > > states echo "isro" | nc localhost 2181 . > > > > But in few places it is recommended to use -q with netcat > > > > https://stackoverflow.com/a/28424409/785523 > > > > Can someone let me know if -q is needed ? > > > > > > - Zookeeper Version 3.4.13 > > - OS - Ubuntu 18 > > > > >
