inakiarroyo · December 6, 2024 09:55 · Jan 21, 2020 · Oct 1, 2019 · Oct 1, 2019 · Oct 1, 2019
diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -101,7 +101,7 @@ ssh-add -l
 ```
 3. If necessary, add your new key to the list:
 ```
-ssh-add ~/.ssh/personalid
+ssh-add -K ~/.ssh/personalid
 ----
 $ ssh-add ~/.ssh/personalid
 Enter passphrase for /Users/username/.ssh/personalid:

diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -115,7 +115,8 @@ ssh-add -l
 If for any reason your keys are not re-added automatically to the ssh-agent after a reboot, follow this post:
 https://github.com/jirsbek/SSH-keys-in-macOS-Sierra-keychain
 
-*Solution*
+**Solution**
+
 Apple updated its [Technical Notes](https://developer.apple.com/library/content/technotes/tn2449/_index.html#//apple_ref/doc/uid/DTS40017589) to indicate that since 10.12.2, macOS includes version 7.3p1 of OpenSSH and its new behaviors.
 
 In `~/.ssh` create `config` file with the following content:

diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -115,16 +115,16 @@ ssh-add -l
 If for any reason your keys are not re-added automatically to the ssh-agent after a reboot, follow this post:
 https://github.com/jirsbek/SSH-keys-in-macOS-Sierra-keychain
 
- ### Solution
- Apple updated its [Technical Notes](https://developer.apple.com/library/content/technotes/tn2449/_index.html#//apple_ref/doc/uid/DTS40017589) to indicate that since 10.12.2, macOS includes version 7.3p1 of OpenSSH and its new behaviors.
+*Solution*
+Apple updated its [Technical Notes](https://developer.apple.com/library/content/technotes/tn2449/_index.html#//apple_ref/doc/uid/DTS40017589) to indicate that since 10.12.2, macOS includes version 7.3p1 of OpenSSH and its new behaviors.
 
- In `~/.ssh` create `config` file with the following content:
+In `~/.ssh` create `config` file with the following content:
 
- ```bash
- Host * (asterisk for all hosts or add specific host)
-   AddKeysToAgent yes
-   UseKeychain yes
-   IdentityFile <key> (e.g. ~/.ssh/userKey)
+```bash
+Host * (asterisk for all hosts or add specific host)
+  AddKeysToAgent yes
+  UseKeychain yes
+  IdentityFile <key> (e.g. ~/.ssh/userKey)
  ```
 
 ## Step 4. Repositories

diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -115,17 +115,17 @@ ssh-add -l
 If for any reason your keys are not re-added automatically to the ssh-agent after a reboot, follow this post:
 https://github.com/jirsbek/SSH-keys-in-macOS-Sierra-keychain
 
-### Solution 1 (recommended)
-Apple updated its [Technical Notes](https://developer.apple.com/library/content/technotes/tn2449/_index.html#//apple_ref/doc/uid/DTS40017589) to indicate that since 10.12.2, macOS includes version 7.3p1 of OpenSSH and its new behaviors.
+ ### Solution
+ Apple updated its [Technical Notes](https://developer.apple.com/library/content/technotes/tn2449/_index.html#//apple_ref/doc/uid/DTS40017589) to indicate that since 10.12.2, macOS includes version 7.3p1 of OpenSSH and its new behaviors.
 
-In `~/.ssh` create `config` file with the following content:
+ In `~/.ssh` create `config` file with the following content:
 
-```bash
-Host * (asterisk for all hosts or add specific host)
-  AddKeysToAgent yes
-  UseKeychain yes
-  IdentityFile <key> (e.g. ~/.ssh/userKey)
-```
+ ```bash
+ Host * (asterisk for all hosts or add specific host)
+   AddKeysToAgent yes
+   UseKeychain yes
+   IdentityFile <key> (e.g. ~/.ssh/userKey)
+ ```
 
 ## Step 4. Repositories
 ### Clone git repository 

diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -111,6 +111,21 @@ Identity added: /Users/username/.ssh/personalid
 ```
 ssh-add -l
 ```
+5. Adds keys automatically
+If for any reason your keys are not re-added automatically to the ssh-agent after a reboot, follow this post:
+https://github.com/jirsbek/SSH-keys-in-macOS-Sierra-keychain
+
+### Solution 1 (recommended)
+Apple updated its [Technical Notes](https://developer.apple.com/library/content/technotes/tn2449/_index.html#//apple_ref/doc/uid/DTS40017589) to indicate that since 10.12.2, macOS includes version 7.3p1 of OpenSSH and its new behaviors.
+
+In `~/.ssh` create `config` file with the following content:
+
+```bash
+Host * (asterisk for all hosts or add specific host)
+  AddKeysToAgent yes
+  UseKeychain yes
+  IdentityFile <key> (e.g. ~/.ssh/userKey)
+```
 
 ## Step 4. Repositories
 ### Clone git repository 

diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -66,8 +66,13 @@ IdentityFile ~/.ssh/identity
 Host github-workid
  HostName github.org
  IdentityFile ~/.ssh/workid
+
+Host bitbucket-personalid
+ HostName bitbucket.org
+ IdentityFile ~/.ssh/personalid
+
 Host github-personalid
- HostName github.org
+ HostName github.com
  IdentityFile ~/.ssh/personalid
 ```
 ### Load each key into appropiate Host account

diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -15,6 +15,7 @@ Enter passphrase (empty for no passphrase):
 ```
 
 You can create multiple SSH identities with this three ssh- commands:
+
 | SSh Command | Purpose |
 |-------------|:-------------:|
 | ssh-keygen | Create keys pairs |

diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -16,7 +16,7 @@ Enter passphrase (empty for no passphrase):
 
 You can create multiple SSH identities with this three ssh- commands:
 | SSh Command | Purpose |
-| ------------- | ------------- |
+|-------------|:-------------:|
 | ssh-keygen | Create keys pairs |
 | ssh-agent | Agent for proving keys to remote servers. The agent holds loaded keys in memory |
 | ass-add | Loads a private key into the agent |

diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -15,8 +15,8 @@ Enter passphrase (empty for no passphrase):
 ```
 
 You can create multiple SSH identities with this three ssh- commands:
-| SSh Command   | Purpose |
-| ------------- |:-------------:|
+| SSh Command | Purpose |
+| ------------- | ------------- |
 | ssh-keygen | Create keys pairs |
 | ssh-agent | Agent for proving keys to remote servers. The agent holds loaded keys in memory |
 | ass-add | Loads a private key into the agent |

diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -30,7 +30,7 @@ ssh-keygen -t rsa -f ~/.ssh/personalid -C "personalid"
 '-C' requests compression of all data.
 ```
 ```
-$ ssh-keygen -f ~/.ssh/personalid -C "personalid" 
+$ ssh-keygen -t rsa -f ~/.ssh/personalid -C "personalid"
 Generating public/private rsa key pair.
 Enter passphrase (empty for no passphrase):
 Enter same passphrase again:

diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -89,7 +89,10 @@ $ ps | grep ssh-agent
 ```
 - If not run `ssh-agent`.
 - If there is more than 1 process running use `kill PID` command to stop each of them. Then restart a single instance.
-2. List the currently loaded keys: `ssh-add -l`
+2. List the currently loaded keys: 
+```
+ssh-add -l
+```
 3. If necessary, add your new key to the list:
 ```
 ssh-add ~/.ssh/personalid
@@ -98,13 +101,21 @@ $ ssh-add ~/.ssh/personalid
 Enter passphrase for /Users/username/.ssh/personalid:
 Identity added: /Users/username/.ssh/personalid
 ```
-4. List the keys again to verify the add was successful: `ssh-add -l`
+4. List the keys again to verify the add was successful: 
+```
+ssh-add -l
+```
 
 ## Step 4. Repositories
 ### Clone git repository 
 1. Using the default key: `git clone git@github.com:username/project.git`
 2. Using a specific key: ` git clone git@personalid:username/project.git` (`git@personalid:iarroyo5/project.git`)
 
+## Step 5. known_hosts
+Remove entries from known_hosts:
+```
+ssh-keygen -R hostname
+```
 
 
 
diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -77,6 +77,8 @@ cat ~/.ssh/id_rsa.pub
 ```
 pbcopy < ~/.ssh/id_rsa.pub
 ```
+
+## Step 3. ssh-agent
 ### Ensure the ssh-agent is running and loaded with your keys
 1. Check if the process is already running: 
 ```
@@ -98,8 +100,8 @@ Identity added: /Users/username/.ssh/personalid
 ```
 4. List the keys again to verify the add was successful: `ssh-add -l`
 
+## Step 4. Repositories
 ### Clone git repository 
-
 1. Using the default key: `git clone git@github.com:username/project.git`
 2. Using a specific key: ` git clone git@personalid:username/project.git` (`git@personalid:iarroyo5/project.git`)
 

diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -1 +1,108 @@
-# Multiple SSH keys with ~/.ssh/config
+# Working with multiple SSH keys
+## Step 1. Ensure you have an SSH client installed
+```
+ssh -V
+ls -a ~/.ssh 
+```
+## Step 2. Set up your identity
+You can create a default identity 
+```
+$ ssh-keygen 
+Generating public/private rsa key pair.
+Enter file in which to save the key (/Users/username/.ssh/id_rsa):
+----
+Enter passphrase (empty for no passphrase):
+```
+
+You can create multiple SSH identities with this three ssh- commands:
+| SSh Command   | Purpose |
+| ------------- |:-------------:|
+| ssh-keygen | Create keys pairs |
+| ssh-agent | Agent for proving keys to remote servers. The agent holds loaded keys in memory |
+| ass-add | Loads a private key into the agent |
+
+### Create multiple identities
+```
+ssh-keygen -t rsa -f ~/.ssh/personalid -C "personalid"
+
+'-t' force pseudo-terminal allocation.
+'-f' requests ssh to go to background just before command execution.
+'-C' requests compression of all data.
+```
+```
+$ ssh-keygen -f ~/.ssh/personalid -C "personalid" 
+Generating public/private rsa key pair.
+Enter passphrase (empty for no passphrase):
+Enter same passphrase again:
+Your identification has been saved in /Users/username/.ssh/personalid.
+Your public key has been saved in /Users/username/.ssh/personalid.pub.
+The key fingerprint is:
+7a:9c:b2:9c:8e:4e:f4:af:de:70:77:b9:52:fd:44:97 personalid
+The key's randomart image is:
++--[ RSA 2048]----+
+|         |
+|         |
+|        .|
+|        Eo|
+|  .  S  . ..|
+|  . . o . ... .|
+|  . = = ..o o |
+|  . o X ... . .|
+|  .ooB.o ..  |
++-----------------+
+```
+### Create a SSH config file
+When you have multiple identity files, creating a SSH config file allows you to create aliases for your various identities.
+The format for the alias entries used is:
+```
+Host alias 
+HostName github.org 
+IdentityFile ~/.ssh/identity
+```
+1. Edit the `~/.ssh/config` file
+2. Add an alias for each identity combination
+```
+Host github-workid
+ HostName github.org
+ IdentityFile ~/.ssh/workid
+Host github-personalid
+ HostName github.org
+ IdentityFile ~/.ssh/personalid
+```
+### Load each key into appropiate Host account
+Copy your specific public key (`.pub`)
+```
+cat ~/.ssh/id_rsa.pub
+```
+```
+pbcopy < ~/.ssh/id_rsa.pub
+```
+### Ensure the ssh-agent is running and loaded with your keys
+1. Check if the process is already running: 
+```
+ps | grep ssh-agent
+----
+$ ps | grep ssh-agent
+4013 ttys001    0:00.00 grep ssh-agent
+```
+- If not run `ssh-agent`.
+- If there is more than 1 process running use `kill PID` command to stop each of them. Then restart a single instance.
+2. List the currently loaded keys: `ssh-add -l`
+3. If necessary, add your new key to the list:
+```
+ssh-add ~/.ssh/personalid
+----
+$ ssh-add ~/.ssh/personalid
+Enter passphrase for /Users/username/.ssh/personalid:
+Identity added: /Users/username/.ssh/personalid
+```
+4. List the keys again to verify the add was successful: `ssh-add -l`
+
+### Clone git repository 
+
+1. Using the default key: `git clone git@github.com:username/project.git`
+2. Using a specific key: ` git clone git@personalid:username/project.git` (`git@personalid:iarroyo5/project.git`)
+
+
+
+
diff --git a/multiple_ssh_setting.md b/multiple_ssh_setting.md
@@ -0,0 +1 @@
+# Multiple SSH keys with ~/.ssh/config
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