Difference between revisions of "/etc/ssh/ssh config"
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[[ControlPath]] [[~/.ssh/sockets/]]%C | [[ControlPath]] [[~/.ssh/sockets/]]%C | ||
[[ControlPersist]] 10h | [[ControlPersist]] 10h | ||
| + | [[ServerAliveInterval]] 60 | ||
== Example with [[ProxyJump]] == | == Example with [[ProxyJump]] == | ||
| Line 58: | Line 59: | ||
== Errors == | == Errors == | ||
* <code>[[bad configuration option:]]</code> | * <code>[[bad configuration option:]]</code> | ||
| + | |||
| + | == Activities == | ||
| + | * [[Configure OpenSSH to reuse ssh connections]] | ||
== Related terms == | == Related terms == | ||
Latest revision as of 10:41, 24 July 2026
OpenSSH client configuration file.
Man page: https://man7.org/linux/man-pages/man5/ssh_config.5.html
~/.ssh/config/etc/ssh/ssh_config
Contents
Examples[edit]
Basic example[edit]
Host your_machine_name
Hostname IP_or_dns_name
User USERNAME_TO_CONNECT
IdentityFile ~/.ssh/id_ed25519 #Private key
Example with auto tmux and session persistence[edit]
Host your_machine_name
Hostname IP_or_dns_name
User USERNAME_TO_CONNECT
IdentityFile ~/.ssh/id_ed25519 #Private key
RemoteCommand sudo su - -c "tmux new -A -s main"
RequestTTY yes
ControlMaster auto
ControlPath ~/.ssh/sockets/%C
ControlPersist 10h
ServerAliveInterval 60
Example with ProxyJump[edit]
Host machine_name_for_ssh_client
ProxyJump YOUR_SERVER_TO_USE_AS_JUMPSERVER
Hostname (IP or hostname)
Port 22
User USERNAME_TO_CONNECT
IdentityFile ~/.ssh/id_ed25519
Configure OpenSSH to reuse ssh connections[edit]
RequestTTY yes ControlMaster auto ControlPath ~/.ssh/sockets/%r@%h-%p ControlPersist 36000
OpenSSH Changelog[edit]
- 2016 OpenSSH 7.3
include include.d/your_file
To allow connection to some Cisco IOS devices:
KexAlgorithms +diffie-hellman-group14-sha1
Directives[edit]
HashKnownHostsStrictHostKeyCheckingKexAlgorithmsRemoteCommandRequestTTYServerAliveIntervalForwardAgentProxyJump
Errors[edit]
Activities[edit]
Related terms[edit]
See also[edit]
/etc/ssh/ssh_config, ~/.ssh/config (man), RemoteCommand, RequestTTY, ServerAliveInterval, UseKeychain, ForwardAgent,ProxyJump, ControlMaster, ControlPath, ControlPersist- OpenSSH:
ssh(man),ssh -O,-i, -t,-T, -N, -L, -V,/etc/ssh/ssh_config,ssh --help - OpenSSH (changelog):
/etc/ssh/sshd_config|/etc/ssh/ssh_config|~/.ssh/|openSSL | sshd logs|sftp|scp|authorized_keys|ssh-keygen|ssh-keyscan|ssh-add|ssh-agent|ssh|Ssh -O stop|ssh-copy-id|CheckHostIP|UseKeychain, OpenSSF, ~/.ssh/authorized_keys
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