rln
ssh add ciphers/algorithms at runtime on command line
ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 -oCiphers=+aes128-cbc
rln
ssh authorized_keys not working
make sure SE linux is FSCKING turned off. vi /etc/sysconfig/selinux # centos – set last line to DISABLED setenforce 0