Apple Mac OS X Server Guia de Instalação Página 183
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Chapter 8 Monitoring Your System 183
Step 3: Collect SNMP information from the host
To get the SNMP-available information you added, execute this command from a host m
that has SNMP tools installed:
/usr/bin/snmpget -c public <hostname> system.sysLocation.0
Replace <hostname> with the name of the target host.
You should see location you provided. In this example, you would see:
SNMPv2_MIB::system.sysLocation.0 = STRING:\"server_room\"
The other options in the menu you were working in are:
/usr/bin/snmpget -c public <hostname> system.sysContact.0
/usr/bin/snmpget -c public <hostname> system.sysServices.0
The nal .0 indicates you are looking for the index object. The word public is the name
of the SNMP community that you did not alter.
If you need information about either of these or if you need explanations of SNMP
syntax, tutorials are available at net-snmp.sourceforge.net.
Additional Information about SNMP
Additional information about SNMP can be found here.
Man pages
Entering man -k snmp in the Terminal will provide a list of the known man pages.
Web sites
The Net SNMP-Project:
 www.net-snmp.org
 net-snmp.sourceforge.net
Books
Essential SNMP by Douglas Mauro, Kevin Schmidt
Publisher: O’Reilly (Second Edition Sept 2005)
ISBN: 0-596-00840-6, 460 pages
Tools to Use with SNMP
In addition to snmpget, other SNMP tools are installed, and third-party suites (free and
commercial) are available with varying complexity and reporting.
About Notication and Event Monitoring Daemons
To monitor and log system events, the operating system runs several daemons that
intercept application messages and log them or act on them.
- Mac OS X Server 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- 8 Contents 8
- 191 Index 9
- 10 Contents 10
- About This Guide 11
- Using Onscreen Help 12
- Document Road Map 13
- Viewing PDF Guides Onscreen 14
- Printing PDF Guides 14
- Getting Documentation Updates 15
- Standards 16
- What’s New in Server Admin 18
- Supported Standards 20
- Planning Server Usage 24
- Setting Up a Planning Team 25
- Identifying Servers to Set Up 26
- Dening a Migration Strategy 28
- Migrating from Windows 28
- Understanding Backup Types 33
- Understanding Restores 34
- Administration Tools 38
- Server Admin Interface 39
- Server Assistant 41
- Server Preferences 42
- Workgroup Manager 42
- Workgroup Manager Interface 43
- Server Monitor 44
- System Image Management 47
- Media Streaming Management 47
- Command-Line Tools 48
- Server Status Widget 48
- RAID Admin 48
- Xgrid Admin 49
- Apple Remote Desktop 50
- Enhancing Security 51
- About Network Security 52
- MAC Filtering 53
- Transport Encryption 54
- Payload Encryption 54
- About File Security 55
- Secure Delete 56
- Single Sign-On 58
- Public and Private Keys 59
- Certicates 60
- About Identities 61
- About Self-Signed Certicates 61
- About Intermediate Trust 61
- Readying Certicates 64
- Managing Certicates 69
- Deleting a Certicate 70
- Using Certicates 71
- SSH and SSH Keys 72
- Administration Level Security 74
- Service Level Security 75
- Security Best Practices 76
- Password Guidelines 77
- Creating Complex Passwords 78
- Installation and Deployment 79
- Setting Up Network Services 82
- About the Server Install Disc 82
- Before Starting Up 84
- Destination 91
- Choosing a File System 93
- JournaledHFS+ DataStore 50% 96
- Installer application 100
- Terminal application 100
- Administrator computer 101
- Subnet 1 101
- Subnet 2 101
- # Method 1 103
- --setBoot 103
- Software 104
- Installing Multiple Servers 106
- How to Keep Current 107
- Initial Server Setup 108
- Â Import Users and Groups 111
- Â Congure Manually 111
- Using Automatic Server Setup 115
- Handling Setup Errors 121
- Setting Up Services 122
- Setting Up Open Directory 123
- Setting Up User Management 123
- Setting Up All Other Services 123
- Ongoing System Management 124
- Mac OS X Servers 125
- Mac OS X 125
- Ports Used for Administration 127
- Ports Open By Default 127
- Server Admin Basics 128
- Grouping Servers Manually 129
- Identity 132
- Infrastructure Services 133
- Wiki Services 136
- Services 137
- Collaboration Services 139
- Producer 141
- Administering Services 145
- Managing Sharing 148
- Workgroup Manager Basics 150
- Administering Accounts 151
- Dening Managed Preferences 153
- Working with Directory Data 154
- Using Backup Power 161
- Link Aggregation 163
- Link Aggregation Scenarios 164
- Load Balancing 168
- Daemon Overview 169
- Load and unload daemons  170
- Set environment settings  170
- Monitoring Your System 171
- Using Server Monitor 172
- Using Disk Monitoring Tools 173
- Setting Up a Core Dump Server 178
- Setting Up a Core Dump Client 179
- Enabling SNMP reporting 181
- Conguring snmpd 181
- /usr/bin/snmpconf -i 182
- /usr/sbin/snmpd 182
- Tools to Use with SNMP 183
- Open Directory Logging 186
- Additional Monitoring Aids 187
- Push Notication Server 188
- # on the notification server 189
- 192 Index 192
- Index 193 193
- 19 4 Index 194
- Index 195 195
- 19 6 Index 196
- Index 197 197
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