如何在Amazon Linux上将OpenSSH从6.6.1p1升级到7.2p2?ec2-user@demotair.arabidopsis.org$ uname -a
Linux ip-172-31-24-127 4.9.38-16.33.amzn1.x86_64#1 SMP Thu Jul 20 01:31:29 UTC 2017 x86_
2/2
openssh-server.x86_64 0:6.6.1p1-35.el7_3 openssh-server.x86_64 0:7.4p1-13.el7_4 Linux XXXXXX 3.10.0-327.10.1.el7.x86_64 #1 SMP Tue Feb 16 17:03:50 UTC 201612,155
epel-debuginfo/x86_64 Extra P