If you can not access into your server via ssh, and said : Connection refused
First step check your firewall whether the firewall has allowed ssh port ?
If you don’t have any firewall configuration, check your ssh server status
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						# /etc/init.d/sshd status openssh-daemon is stopped  | 
					
and then checking log at
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						/var/log/secure  | 
					
if there is logs like the following errors.
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						vps sshd[18431]: fatal: daemon() failed: No such device  | 
					
Fixed by :
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						# rm -f /dev/null # mknod /dev/null c 1 3  | 
					
Restart your ssh server
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						# /etc/init.d/sshd start Starting sshd:                                             [  OK  ]  |