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Slowness in the SSH [message #3606] Wed, 07 June 2006 00:19 Go to next message
CleberDantas is currently offline  CleberDantas
Messages: 56
Registered: May 2006
Member
Hi,

When I try to have access way SSH, it delay a little and asks for to the Login and password. I place the password and it delay sufficient of to legalize! If I to enter for the SSH in the main IP of the server, it it has access normal and well fast. I limited the VPS in 256MB of RAM and 15% of the processor (2.4GHz)

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Re: Slowness in the SSH [message #3613 is a reply to message #3606] Wed, 07 June 2006 08:19 Go to previous messageGo to next message
dev is currently offline  dev
Messages: 1693
Registered: September 2005
Location: Moscow
Senior Member
this usually happens when unaccessiable DNS server is written in /etc/resolv.conf
check the line starting from 'nameserver'

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Re: Slowness in the SSH [message #3621 is a reply to message #3613] Wed, 07 June 2006 13:14 Go to previous messageGo to next message
CleberDantas is currently offline  CleberDantas
Messages: 56
Registered: May 2006
Member
Hi,

Dns is normal. It has access the SSH of the VPS, but of very slow form!

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Re: Slowness in the SSH [message #3622 is a reply to message #3621] Wed, 07 June 2006 13:16 Go to previous messageGo to next message
dev is currently offline  dev
Messages: 1693
Registered: September 2005
Location: Moscow
Senior Member
Can you strace sshd from the host and take a look on what does it do and what it is waiting for?

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Re: Slowness in the SSH [message #3624 is a reply to message #3622] Wed, 07 June 2006 15:15 Go to previous messageGo to next message
CleberDantas is currently offline  CleberDantas
Messages: 56
Registered: May 2006
Member
What?

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Re: Slowness in the SSH [message #3639 is a reply to message #3624] Thu, 08 June 2006 07:46 Go to previous message
dim is currently offline  dim
Messages: 344
Registered: August 2005
Senior Member
run `strace` command. Something like:
strace -ff -o strace.out ssh root@VPS_IP

I also use `ssh -v root@VPS_IP` and `tcpdump` commands for network issues debugging.

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[Updated on: Thu, 08 June 2006 07:47]

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