RB2- system startup problem handling
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- if a device is not powered until after the system is booted, what command can be used to configure those devices?
- cfgmgr -v
- what shutdown flag brings the system from distributed mode to multiuser mode?
- -d
- what is alog?
- used to maintain and manage log files.
- what shutdown flag brings the system down to maintenance level?
- -m
- what is the typical boot logical volume?
- hd5
- what does the last command do?
- displays all the previous logins and logoffs that still have entries in /var/adm/wtmp file
- the bootlist -m command specifies which bootlist to display or alter. what are the possible values for the mode variable?
- normal, service, and prevboot.
- if you wanted to add commands and actions to the shutdown process, what file would you manipulate that is called during the shutdown process?
- /etc/rc.shutdown
- what are the effective uses of alog?
-
1. show the contents of a log file.
2. log data to a specified log file.
3. display teh verbosity value of a specified log type.
4. change the attributes of a specified log type.
5. display the current attributes of a specified log type. - what is mpcfg?
- enables root user to manage service information.
- what is the bootlist used for?
- displays and alters the list of boot devices available to the system.
- what 3 steps occur when the system is booted?
-
1. ROS -read only storage kernel init phase. motherboard is checked and the bootlist is found.
2. Base Device Configuration Phase- devices are configured with cfgmgr command.
3. System Boot Phase- logical volumes are varied on, paging started, and /etc/inittab is processed.