Agent admitted failure to sign using the key.

On the ssh part if you got this, either logout and login to your client or, simply run ssh-add from your client.
That should take care of it.

See how you would solve these known algorithm problems

binary tree problems with solution

Array reversal in Recurrsion

Check if there are three numbers a, b, c giving a total T from array A

Implementing tokenizer and adding tokens to the linked list

Check if two strings are anagrams or not

Flatten nested javascript array

Get maximum occurring character

Finding missing numbers from billion sequential number list file

testing k complementary pairs algorithm with junit

Find the pairs that makes K Complementary in the given array java solution