Traceroute can help determine whether the web server is configured correctly.

Traceroute can help determine whether the ports are open on the web server.

Traceroute can help determine whether the server that the web service is running on has a firewall.

Traceroute can help determine where the connection is breaking down.

Finder Preferences

System Preferences

Disk Utility Preferences

Archive Utility Preferences

To facilitate troubleshooting by preventing loading of third-party components in the operating system at startup

To prevent users from accessing sensitive system files by loading Simple

Finder instead of Finder at startup

To increase data security by assigning all standard users Read-only privileges to mounted local volumes

To increase data security by modifying Sharing settings, so only essential protocols are enabled at startup

Hold down Command-Option-P-R during startup.

Start up from the OS X Recovery partition, then choose Safe Boot from the Startup Disk menu.

Hold down Shift during startup.

Open Terminal, type shutdown -safe, press Return, then restart the Mac.

Click Internet Connect to select the preferred interface, then disable the other interface(s).

In the Action pop-up menu, choose Set Service Order, then move the preferred interface to the top of the Service Order list.

Assign a public IP address to the preferred interface and a private IP address to the other interface(s).

Enter a DNS configuration for the preferred interface, and delete the DNS configuration for the other interface(s).

Activity Monitor

Firmware Password Utility

Boot Camp Assistant

Console

The init process starts launchd, then launchd starts the scripts stored in /etc/cron/.

The kernel starts launchd, then launchd starts all the other processes involved in startup.

launchd starts the kernel, the kernel starts all the other processes involved in startup.

The init process starts launchd, then launchd starts the items stored in the Startup folder.