fix links

Former-commit-id: d3c504c8

external/lums-passwords/lums-passwords.md

@@ -13,13 +13,13 @@ This serves for internal authentication for resources provided by the LCSB, e.g.
 
   2. Login with your university credentials.
 
-  3. Create a ticket requesting a LUMS account:  
+  3. Create a ticket requesting a LUMS account:
 
      *  Choose **LCSB** ticket service:<br/>
-<img src="/external/img/lums_ticket-main.png" height="300px"><br/>
+<img src="../../external/img/lums_ticket-main.png" height="300px"><br/>
 
      *  Navigate to **"BioCore: Application Services"** and choose **"[Request for] a new LUMS account**:<br/>
-    <img src="/external/img/lums_ticket-request.png" height="300px"><br/>
+    <img src="../../external/img/lums_ticket-request.png" height="300px"><br/>
 
      * If you know already to which services you need access, please specify it in the ticket.
 
@@ -29,11 +29,11 @@ In case you are not a member of the university, please ask your collaborator at
 
 The password you will receive from the system administrators is temporary and **it will expire after one month**, so you have to reset it as soon as possible. It is usually sent as a link to [PrivateBin](https://howto.lcsb.uni.lu/?passwords). **This link is valid for one week and is deleted after you see it once**, thus you need to keep it open until you have followed these steps to reset your password:
 
-  1. Go to [lums.uni.lu](https://lums.uni.lu) and login with your LUMS username and the temporary password you received.<br>**NOTE:** If you experience any issues at this step, try to use *Chrome* browser for this procedure.<br/><img src="/external/img/lums_login.png" height="200px"><br/>
+  1. Go to [lums.uni.lu](https://lums.uni.lu) and login with your LUMS username and the temporary password you received.<br>**NOTE:** If you experience any issues at this step, try to use *Chrome* browser for this procedure.<br/><img src="../../external/img/lums_login.png" height="200px"><br/>
   Should the login look different from this, e.g. like a pop-up, click on **x** or **Cancel** to close it.
 
   2. You will be prompted to reset your password:<br/>
-  <img src="/external/img/lums_first-reset-password.png" height="300px"><br/>
+  <img src="../../external/img/lums_first-reset-password.png" height="300px"><br/>
   3. Enter your temporary password into the field **"Current Password"**.
   4. Leave the **"OTP"** field blank.
   5. Enter a new password of your choice in the field **"New Password"** and repeat the same password in the field **"Verify Password"**. This is the actual password you need to use from now on, so make sure to remember it.
@@ -44,10 +44,10 @@ It is a good practice to use a password manager which will not only help you to
 ## Changing password for LUMS accounts
 If you want to change your password for the LUMS account, you can:
   1. Go to [lums.uni.lu](https://lums.uni.lu) and login with your LUMS credentials:
-  <br/><img src="/external/img/lums_login.png" height="200px">
+  <br/><img src="../../external/img/lums_login.png" height="200px">
 
   2. In the top-right corner click on your name and select **Change password**:
-  <br/><img src="/external/img/lums_home-settings.png" height="300px">
+  <br/><img src="../../external/img/lums_home-settings.png" height="300px">
 
   3. Enter your current password and your new password:
-  <br/><img src="/external/img/lums_reset-password.png" height="300px">  
+  <br/><img src="../../external/img/lums_reset-password.png" height="300px">