Service manual

Centralized Management - Include File........................................................................................................... 61
CHAPTER 7 UPGRADES AND TROUBLESHOOTING .................................................................................. 65
Upgrades ......................................................................................................................................................... 65
Troubleshooting ............................................................................................................................................... 66
Hardware Test .................................................................................................................................................. 68
Single User Mode ............................................................................................................................................ 71
Recover the access to the Cyclades-TS100 console port ............................................................................ 73
Using a different speed for the serial console ................................................................................................ 74
APPENDIX A INFORMATION FOR USERS NOT FAMILIAR WITH LINUX .................................................. 75
Users and Passwords...................................................................................................................................... 75
Linux File Structure .......................................................................................................................................... 75
Basic File Manipulation Commands ................................................................................................................ 76
The vi Editor ..................................................................................................................................................... 77
The Routing Table............................................................................................................................................ 79
ssh - The Secure Shell Session...................................................................................................................... 79
Configuring sshd’s client authentication using SSH Protocol version 1................................................. 81
Configuring sshd’s client authentication using SSH Protocol version 2................................................. 83
The Process Table ..........................................................................................................................................83
NTP Client Functionality................................................................................................................................... 84
The Crond Utility .............................................................................................................................................. 84