| 259 | |
| 260 | The DNS probe will look up the IP address of www.nsrc.org using any other open DNS server (resolver) you specify in the Targets file. You will see this a bit further on in the exercises. |
| 261 | |
| 262 | Now Save and exit from the file and verify that your changes are working: |
| 263 | {{{ |
| 264 | # systemctl restart smokeping |
| 265 | # tail -F /var/log/syslog |
| 266 | }}} |
| 267 | === Add HTTP latency checks for the Workshop Hosts === |
| 268 | Edit the Targets file again and go to the end of the file: |
| 269 | {{{ |
| 270 | # vim Targets |
| 271 | }}} |
| 272 | |
| 273 | {{{ |
| 274 | # |
| 275 | # Local Web server response |
| 276 | # |
| 277 | |
| 278 | +HTTP |
| 279 | |
| 280 | menu = Local HTTP Response |
| 281 | title = HTTP Response DMZ web |
| 282 | |
| 283 | ++DMZ-Web |
| 284 | |
| 285 | menu = DMZ Web |
| 286 | title = DMZ Web HTTP response time |
| 287 | probe = EchoPingHttp |
| 288 | host = 172.30.1.20 |
| 289 | }}} |
| 290 | you can add multiple web servers as you needed. |
| 291 | |