Composer is getting stuck on installing dependencies

 php composer update stuck

Solution :

a) Download and Install updated composer
https://www.digitalocean.com/community/tutorials/how-to-install-and-use-composer-on-ubuntu-14-04

b) Use update command with verbose mode
composer -vvv update
It will display every single output and you will not be impatient.

ssh error - Agent admitted failure to sign using the key


Solution : 1

ssh login using command

SSH_AUTH_SOCK=0 ssh server-ip

Example : SSH_AUTH_SOCK=0 ssh username@192.168.0.xx


Solution : 2

Run Command
ssh-add

Ubuntu Boot Error - Fixing Recursive Fault Issue


Solution :

sudo nano /etc/default/grub
Change the line
GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash” 
to
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi=off"
And then update grub
sudo update-grub
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