Chapter 3. Administering Server Machines
| Part II. Managing File Server Machines |

## Chapter 3. Administering Server Machines

This chapter describes how to administer an AFS server machine. It describes the following configuration information and administrative tasks:

- The binary and configuration files that must reside in the subdirectories of the /usr/afs directory on every server machine's local disk; see Local Disk Files on a Server Machine.

- The various roles or functions that an AFS server machine can perform, and how to determine which machines are taking a role; see The Four Roles for File Server Machines.

- How to maintain database server machines; see Administering Database Server Machines.

- How to maintain the list of database server machines in the /usr/afs/etc/CellServDB file; see Maintaining the Server CellServDB File.

- How to control authorization checking on a server machine; see Managing Authentication and Authorization Requirements.

- How to install new disks or partitions on a file server machine; see Adding or Removing Disks and Partitions.

- How to change a server machine's IP addresses and manager VLDB server entries; see Managing Server IP Addresses and VLDB Server Entries.

- How to reboot a file server machine; see Rebooting a Server Machine.

To learn how to install and configure a new server machine, see the OpenAFS Quick Beginnings.

To learn how to administer the server processes themselves, see Monitoring and Controlling Server Processes.

To learn how to administer volumes, see Managing Volumes.

## Summary of Instructions

This chapter explains how to perform the following tasks by using the indicated commands:

Install new binaries | bos install
Examine binary check-and-restart time | bos getrestart
Set binary check-and-restart time | bos setrestart
Examine compilation dates on binary files | bos getdate
Restart a process to use new binaries | bos restart
Revert to old version of binaries | bos uninstall
Remove obsolete .BAK and .OLD versions | bos prune
List partitions on a file server machine | vos listpart
Shutdown AFS server processes | bos shutdown
List volumes on a partition | vos listvldb
Move read/write volumes | vos move
List a cell's database server machines | bos listhosts
Add a database server machine to server CellServDB file | bos addhost
Remove a database server machine from server CellServDB file | bos removehost
Set authorization checking requirements | bos setauth
Prevent authentication for bos, pts, and vos commands | Include -noauth flag
Prevent authentication for kas commands | Include -noauth flag on some commands or issue noauthentication while in interactive mode
Display all VLDB server entries | vos listaddrs
Remove a VLDB server entry | vos changeaddr
Reboot a server machine remotely | bos exec reboot_command

Part II. Managing File Server Machines |  | Local Disk Files on a Server Machine