By Wolfgang Barth
Uploaders Notes: Uploaded as a request, I even have it as retail in ePub format.
Good process directors realize difficulties lengthy prior to somebody asks, "Hey, is the web down?" Nagios, an open resource process and community tracking software, has emerged because the most well liked answer for sys admins in enterprises of all sizes. It's strong but additionally complicated, and Nagios: procedure and community tracking, second Edition, up to date to handle Nagios 3.0, may also help you're taking complete benefit of this program.
Nagios, which runs on Linux and such a lot *nix editions, should be configured to always display screen community companies reminiscent of SMTP, POP3, HTTP, NNTP, SSH, and FTP. it might additionally supervise host assets (processor load, disk and reminiscence utilization, operating procedures, log records, and so forth) and environmental elements, akin to temperature and humidity. This e-book is your advisor to getting the main out of this flexible and strong tracking tool.
Inside Nagios, you'll the best way to: * set up and configure the Nagios middle, all common plugins, and chosen third-party plugins
* Configure the notification procedure to warn you of ongoing problems-and to alarm others in case of a significant crisis
* application occasion handlers to take automated motion while hassle occurs
* Write Perl plugins to customise Nagios to your special needs
* quick comprehend your Nagios info utilizing graphing and visualization tools
* display screen home windows servers, SAP platforms, and Oracle databases
The publication additionally contains a bankruptcy that highlights the variations among Nagios models 2 and three and offers functional migration and compatibility information. Nagios: procedure and community tracking, second Edition is a brilliant place to begin for configuring and utilizing Nagios on your personal environment.
About the Author
Wolfgang Barth has written numerous books for pro community directors, together with Firewall (Suse Press), Network Analysis (Suse Press), and Backup options with Linux (Open resource Press). he's a qualified approach administrator with enormous event utilizing Nagios.
Preview of Nagios: System and Network Monitoring (2nd Edition) PDF
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Additional info for Nagios: System and Network Monitoring (2nd Edition)
While operating the plugin, specify this dossier with the ÑÙÐØ will practice all of the assessments outlined there in a single alternative ¹ ; cross. This output promises a sense of the way the plugin capabilities: three four 194 ØØÔ »»ÛÛÛºÑÝ¹ÔÐÙ Òº Ý ×× ØØÔ »»ÛÛÛºÑÝ¹ÔÐÙ Òº »Û » »ÔÖÓ Ø×» ÑÙÐØ » Ò×Ø ÐÐ Ø ÓÒ »Û » »ÔÖÓ Ø×» ÑÙÐØ »×Ø ÖØ 8. five Summarizing tests with ÑÙÐØ user@linux:~$ . /check_multi -f contrib/check_multi. cmd MULTI serious - 35 plugins checked, 7 serious (network_rsync, proc_acp identity, proc_httpd, system_syslog, system_users, nagios_system, dummy_critic al), 2 caution (nagios_tac, dummy_warning), 2 unknown (network_if_eth1, dummy_unknown), 24 okay [ 1] network_ping PING okay - Packet loss = 0%, RTA = zero. 06 ms [ 2] network_interfaces okay: host ’localhost’, interfaces up: 6, down: zero, dormant: zero, excluded: zero, unused: zero [ three] network_if_eth1 both a sound snmpkey key (-k) or a ifDescr (-d) m ust be supplied) ...  system_load okay - load commonplace: zero. 89, zero. seventy one, zero. seventy one  system_mail TCP okay - zero. 000 moment reaction time on port 25  system_mailqueue okay: mailq is empty  system_mysql Uptime: 5573 Threads: 1 Questions: one hundred forty gradual queries : zero Opens: 137 Flush tables: 1 Open tables: 19 Queries in keeping with moment avg : zero. 025  system_ntp NTP okay: Offset -0. 07118669868 secs  system_portmapper okay: RPC application portmapper model 2 udp working  system_rootdisk DISK okay - loose area: / 287 MB (31% inode=81%);  system_ssh SSH okay - OpenSSH_4. 3p2 Debian-9 (protocol 2. zero) ... |MULTI::check_multi::plugins=35 time=10. ninety two network_interfaces::check_ifs tatus::up=6,down=0,dormant=0,excluded=0,unused=0 system_load::check_load ::load1=0. 890;5. 000;10. 000;0; load5=0. 710;4. 000;8. 000;0; load15=0. 710;3. 000;6. 000;0; system_mail::check_tcp::time=0. 000225s;;;0. 000000;10. 000000 system_mailqueue::check_mailq::unsent=0;2;4;0 system_ntp::check_ntp::off set=-0. 071187s;60. 000000;120. 000000; system_rootdisk::check_disk::/=620M B;909;937;0;957 system_swap::check_swap::swap=3906MB;0;0;0;3906 system_u sers::check_users::users=25;5;10;0 nagios. org_dns::check_dns::time=0. 039 187s;;;0. 000000 nagios. org_http::check_http::time=0. 674044s;;;0. 000000 s ize=21530B;;;0 the 1st line of the output—starting with ÅÍÄÌÁ ÊÁÌÁ Ä—summarizes all of the finished exams. those strains (line-wrapped right here for exhibit reasons) also are processed by means of Nagios 2. x. The output from the individ½ ), which appears to be like precisely like ual exams starts on-line 2 (starting with the output of a unmarried name of the plugin presently being run. The perforÑÙÐØ , yet in simple terms on the the tip, in a mance info is summarized by means of ÑÙÐØ ÔÐÙ Ò×. The individtotals line—starting with ÅÍÄÌÁ ual variables are separated via areas. the aim for the variable names, besides their layout (which takes a few being used to), is defined in part eight. five. 6 from web page 198. eight. five. four Configuration dossier The structure of the configuration dossier is predicated on that of NRPE (Section 10. three ÑÙÐØ , even though, basically the instructions are defrom web page 218). For ÑÙÐØ º Ñ : fined. here's an extract from the instance dossier incorporated, 195 8 Plugins for particular initiatives ...