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Added command examples from external blogs

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This commit is contained in:
Michele Cereda
2023-02-07 16:04:57 +01:00
parent 6151dde1d0
commit f4455f598f
10 changed files with 145 additions and 47 deletions
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38
knowledge base/ssh.md
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@@ -15,21 +15,22 @@
eval `ssh-agent` && ssh-add
# Create new keys.
ssh-keygen -t rsa -b 4096
ssh-keygen -t dsa
ssh-keygen -t ecdsa -b 521
ssh-keygen -t ed25519 -f ~/.ssh/keys/id_ed25519 -C test@winzoz
ssh-keygen -t 'rsa' -b '4096'
ssh-keygen -t 'dsa'
ssh-keygen -t 'ecdsa' -b '521'
ssh-keygen -t 'ed25519' -f ~/.ssh/keys/id_ed25519 -C 'test@winzoz'
# Remove elements from the known hosts list.
ssh-keygen -R "pi4.lan"
ssh-keygen -R 192.168.1.237 -f .ssh/known_hosts
ssh-keygen -R "raspberrypi.lan" -f "${HOME}/.ssh/known_hosts"
ssh-keygen -R 'pi4.lan'
ssh-keygen -R '192.168.1.237' -f '.ssh/known_hosts'
ssh-keygen -R 'pi.lan' -f "${HOME}/.ssh/known_hosts"
# Change the password of a key.
ssh-keygen -f ~/.ssh/id_rsa -p
# Mount a remote folder.
sshfs nas.lan:/mnt/data Data -o auto_cache,reconnect,defer_permissions,noappledouble,volname=Data
sshfs 'nas.lan:/mnt/data' 'Data' \
-o 'auto_cache,reconnect,defer_permissions,noappledouble,volname=Data'
# List keys added to the agent by fingerprint.
ssh-add -l
@@ -37,6 +38,9 @@ ssh-add -L # full key in OpenSSH format
# Authorize keys for passwordless access.
ssh-copy-id -i ~/.ssh/id_rsa.pub user@nas.lan
# Connect to an unreachable host tunnelling the session through a bastion.
ssh -t 'bastion-host' ssh 'unreachable-host'
```
## Key Management
@@ -44,10 +48,10 @@ ssh-copy-id -i ~/.ssh/id_rsa.pub user@nas.lan
Create a new key:
```sh
ssh-keygen -t rsa -b 4096
ssh-keygen -t dsa
ssh-keygen -t ecdsa -b 521
ssh-keygen -t ed25519 -f .ssh/id_ed25519 -C test@winzoz
ssh-keygen -t 'rsa' -b '4096'
ssh-keygen -t 'dsa'
ssh-keygen -t 'ecdsa' -b '521'
ssh-keygen -t 'ed25519' -f '.ssh/id_ed25519' -C 'test@winzoz'
```
```plaintext
@@ -75,9 +79,9 @@ The key's randomart image is:
Remove a host from the list of known hosts:
```sh
ssh-keygen -R "pi4.lan"
ssh-keygen -R 192.168.1.237 -f .ssh/known_hosts
ssh-keygen -R "raspberrypi.lan" -f ".ssh/known_hosts"
ssh-keygen -R 'pi4.lan'
ssh-keygen -R '192.168.1.237' -f '.ssh/known_hosts'
ssh-keygen -R 'raspberrypi.lan' -f '.ssh/known_hosts'
```
```plaintext
@@ -109,14 +113,14 @@ sshfs -o $OPTIONS_LIST $HOST:$REMOTE_PATH $LOCAL_PATH
```
```sh
sshfs user@nas.lan:/mnt/data Data -o auto_cache,reconnect,defer_permissions,noappledouble,volname=Data
sshfs 'user@nas.lan:/mnt/data' 'Data' -o 'auto_cache,reconnect,defer_permissions,noappledouble,volname=Data'
```
### Installation
```sh
# Mac OS X requires `macports`, since `brew` does not offer 'sshfs' anymore
sudo port install sshfs
sudo port install 'sshfs'
```
## Configuration