Users Guide

In the file /etc/securetty add a new line with the name of the serial tty for COM2:
ttyS1
The following example shows a sample file with the new line.
NOTE: Use the Break Key Sequence (~B) to execute the Linux Magic SysRq key commands on serial console using IPMI
Tool.
vc/1
vc/2
vc/3
vc/4
vc/5
vc/6
vc/7
vc/8
vc/9
vc/10
vc/11
tty1
tty2
tty3
tty4
tty5
tty6
tty7
tty8
tty9
tty10
tty11
ttyS1
Supported SSH cryptography schemes
To communicate with iDRAC using SSH protocol, it supports multiple cryptography schemes listed in the following table.
Table 16. SSH cryptography schemes
Scheme Type Algorithms
Asymmetric Cryptography
Public key
ssh-rsa
ecdsa-sha2-nistp256
Symmetric Cryptography
Key Exchange
curve25519-sha256@libssh.org
ecdh-sha2-nistp256
ecdh-sha2-nistp384
ecdh-sha2-nistp521
diffie-hellman-group-exchange-sha256
diffie-hellman-group14-sha1
Encryption
chacha20-poly1305@openssh.com
aes128-ctr
aes192-ctr
aes256-ctr
aes128-gcm@openssh.com
aes256-gcm@openssh.com
Setting up iDRAC communication 123