LDAP: couldn't connect to LDAP server

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--- creating_an_ssh_shortcut [2019/06/26 09:07]
nmckillop created
+++ creating_an_ssh_shortcut [2019/07/19 13:24] (current)
ed [Using SSH keys on Linux/macOS]
@@ Line 1: / Line 1: @@
-====== Creating an SSH shortcut on Linux/macOS ======
+====== Using SSH keys on Linux/macOS ======
-This is mostly for convenience but may be necessary if you are having problems using sshfs.
+Mac and Linux systems have builtin OpenSSH tools to connect to your server. It is fine to use the command ''ssh -i </path/key.pem> <user@IP>'' , but you can avoid typing it every time by adding the key to the authorisation agent:
+  ssh-add <key>
-Rather than having to type something like:
+Now you can SSH in with
-<code>ssh -i .ssh/myidentityfile.pem ubuntu@my_ec2_ip</code>
+  ssh <user@IP>
-You can create ssh shortcuts to simplify this to the following:
+Optionally you can also create a ssh shortcut to avoid typing the username and IP. To do so, create the file ''~/.ssh/config'' on your Mac (if it doesn't already exist) using this template:
-<code>ssh myec2</code>
-To do so, create the file ''.ssh/config'' (if it doesn't already exist) using this template:
 <code>
-Host your_shortcut_name_here
+Host <shortname>
-    HostName      your_ec2_ip_address_here
+    HostName      <your_ec2_ip_address_here>
-    IdentityFile  /home/ubuntu/.ssh/myidentityfile.pem
+    IdentityFile  <~/.ssh/youridentityfile.pem>
     User          ubuntu
 </code>
+Now you can SSH in with
+  ssh <shortname>
+----
+==== Other tips ====
+To check what keys are added
+  ssh-add -l
+If you want, you can view your server’s public key which was created and stored when it was  set up
+  less .ssh/authorized_keys
+If you get errors about permissions when trying to SSH in, you may have to modify the key file’s permissions with chmod
+  chmod 600 <file>
+Check a file’s permissions with the longform list command
+  ls -l
+See output like ''-r--------@ 1 user  staff  1696 11 Jun 19:14  /path/yourfile.pem''\\
+Basically the first ten characters before the “@” indicate permissions and you want to see only dashes or “r” after the fourth character. ''man chmod'' has more.\\
+More [[https://code.visualstudio.com/docs/remote/troubleshooting#_local-ssh-file-and-folder-permissions|info about permissions here]]

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