How to Enable Serial Console Output in CentOS

In our environment, we have a few caching servers that are distributed across branch offices. These branch offices usually lack a KVM - which means tracking down a monitor, keyboard, mouse, etc. What a pain! If only we could simply hook up a serial cable and use Putty - oh wait we can!

  1. Let's open up our text editor: nano /etc/sysconfig/grub
  2. Find the line labeled GRUB_CMDLINE_LINUX and add console=ttyS0 to
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Tagged in centos , linux