how to apache server restart code example

Example 1: ubuntu 14 apache2 graceful restart

# Restart Apache 2 server on Linux/Unix
sudo service apache2 restart

# Start Apache 2 server on Linux/Unix
sudo service apache2 start

# Stop Apache 2 server on Linux/Unix
sudo service apache2 stop

# Reload Apache 2 server on Linux/Unix "No downtime!"
sudo service apache2 reload

Example 2: restart apache ubuntu

# Restart Apache 2 server on Linux/Unix
sudo service apache2 restart

# Start Apache 2 server on Linux/Unix
sudo service apache2 start

# Stop Apache 2 server on Linux/Unix
sudo service apache2 stop

Example 3: restart apache

/usr/sbin/httpd -k restart

Example 4: apache not restart

cd /etc/apache2
apache2ctl configtest

sudo mkdir -p /var/log/apache2/
sudo chmod -R 744 /var/log/apache2/