Users Guide

#This does, of course, assume you have power installed and your
#UPS is connected and working correctly.
pf::powerfail:/sbin/shutdown -f -h +2 "Power Failure; System Shutting Down"
#If power was restored before the shutdown kicked in, cancel it.
pr:12345:powerokwait:/sbin/shutdown -c "Power Restored; Shutdown Cancelled"
#Run gettys in standard runlevels
co:2345:respawn:/sbin/agetty -h -L 57600 ttyS1 ansi
1:2345:respawn:/sbin/mingetty tty1
2:2345:respawn:/sbin/mingetty tty2
3:2345:respawn:/sbin/mingetty tty3
4:2345:respawn:/sbin/mingetty tty4
5:2345:respawn:/sbin/mingetty tty5
6:2345:respawn:/sbin/mingetty tty6
#Run xdm in runlevel 5
#xdm is now a separate service
x:5:respawn:/etc/X11/prefdm -nodaemon
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 15. 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
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