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In PostgreSQL, if you want to set current timestamp as default value, you can simply keep a column's default expression as 'now()'. However, by default there is no function defined to update the timestamp when a particular row (or multiple rows) are updated. In such...Read More

Step 1: Check the SSH connectivity with the server, verify username and password. Step 2: Create the tunnel in your local system by executing the following command (It will prompt for password): $ ssh -fNg -L 5555:localhost:5432 <user>@<server> Step 3: Now, open your...Read More

After installing VNC server on Ubuntu (usually occurs on servers), sometimes one may face a problem in which after logging in by a VNC client/viewer, it shows just a blank screen with three checkboxes. (See the image at the end of post) To...Read More