vi editor not working , insert and delete not working in ssh
Fixing non-responsive navigation keys in "less" and "vi" editors
Overview: This overview addresses the issue of non-responsive navigation keys such as "Page Up/Down, Home/End, Ins/Del" in "less" and "vi" editors.
When we use "less" and "vi" editors, keys such as "Page Up/Down, Home/End, Ins/Del" are not working. How can we fix it?
Step 1: Try different options of Terminal Emulation in account preferences:
Step 2: vt102 or xterm might work. Sometimes you may have to change the terminal emulation of your SSH client such as PuTTY.