ssh

Setting the default ssh key location

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If you are only looking to point to a different location for you identity file, the you can modify your ~/.ssh/config file with the following entry: IdentityFile ~/.foo/identity man ssh_config to find other config options.

Set SSH connection timeout

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The problem may be that ssh is trying to connect to all the different IPs that www.google.com resolves to. For example on my machine: # ssh -v -o ConnectTimeout=1 -o ConnectionAttempts=1 www.google.com OpenSSH_5.9p1, OpenSSL 0.9.8t 18 Jan 2012 debug1: Connecting to www.google.com [173.194.43.20] port 22. debug1: connect to address 173.194.43.20 port 22: Connection timed out … Read more

How to preserve files original creation date?

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Use scp with the -p option. -p Preserves modification times, access times, and modes from the original file. Example command copying a file from local to remote server: scp -p /home/mylocaldata/test.txt remote.example.com:/home/remote_dir Note that this will not preserve user and group only permission flags (rwx and such).

What is actually in known_hosts? [closed]

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This file is, effectively, your personal Certificate Authority. It is the list of all SSH server host public keys that you have determined are accurate. Each entry in known_hosts is one big line with three or more whitespace separated fields as follows: a. One or more server names or IP Addresses, joined together by commas. … Read more