08-01-2018
I am making progress, but it looks like I still need some help to get my legacy unix program to work. I have copied most of the files over from the physical to the VM. I left out the /etc and the /var directories entirely, and I think that one of those contain files that I need to make things work.
In my first attempt I did copy the /var directory over - about the third one I copied, and after that my VM would not work correctly. I could not login and so I had to start over again from scratch, so I'm leery about copying that directory over again.
I suspect that I need numerous files from the /etc directory, but I don't think I'm supposed to copy the /etc/conf because I was told not to do that before. My problem is I don't know how to create the cpio archive, or extract it, without including that directory.
At least some of the things I'm missing are the user accounts and groups that are present in the physical system. For our legacy program, we need to have user accounts that have a certain Login Shell, Home Directory and Login Group. The Login Group I'm supposed to use is "genesis" and that is not one of the available groups when I go to create a new user account. So I know these things live somewhere, probably in the /etc directory, because when I restored my complete system from backup tape last year (to the current physical system) all of the user accounts were there.
If anyone has any ideas to help me copy over the remaining files I need from /etc, or if I do need some files from the /var directory, I would appreciate greatly some advice to finish this up. It seems so close!
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backup(1M) backup(1M)
NAME
backup - backup or archive file system
SYNOPSIS
[-archive]
DESCRIPTION
The command uses find(1) and cpio(1) to save a archive of all files that have been modified since the modification time of on the default
tape drive should be invoked periodically to ensure adequate file backup.
The option suppresses warning messages regarding optional access control list entries. backup(1M) does not backup optional access control
list entries in a file's access control list (see acl(5)). Normally, a warning message is printed for each file having optional access
control list entries.
The option causes backup to save all files, regardless of their modification date, and then update using touch(1).
prompts you to mount a new tape and continue if there is no more room on the current tape. Note that this prompting does not occur if you
are running from cron(1M).
The option causes to start a file system consistency check (without correction) after the backup is complete. For correct results, it is
important that the system be effectively single-user while is running, especially if is allowed to automatically fix whatever inconsisten-
cies it finds. does not ensure that the system is single-user.
You can edit to customize it for your system. Several local values are used that can be customized:
specifies which directories to back up recursively (usually
meaning all directories);
file name where start and finish times, block counts, and error messages
are logged;
file name whose date is the date of the last archive;
file name that is checked by
to remind the next person who logs in to change the backup tape;
file name where start and finish times and
output is logged.
You may want to make other changes, such as whether or not does automatic correction (according to its arguments), where output is
directed, other information logging, etc.
In all cases, the output from is a normal archive file (or volume) which can be read using with the option.
File Recovery
creates archive tapes with all files and directories specified relative to the root directory. When recovering files from an archive tape
created by you should be in the root directory and specify the directory path names for recovered files relative to the root directory When
specifying the directory path name for file recovery by do not precede the leading directory name with a slash. If you prefer, you can
also use with a option to determine how files and directories are named on the archive tape before attempting recovery.
WARNINGS
Refer to in cpio(1).
When runs out of tape, it sends an error to standard error and demands a new special file name from
To continue, rewind the tape, mount the new tape, type the name of the new special file at the system console, and press
If is being run unattended from cron(1M) and the tape runs out, terminates, leaving the process still waiting. Kill this process when you
return.
FILES
parameterized file names
SEE ALSO
cpio(1), find(1), touch(1), cron(1M), fbackup(1M), frecover(1M), fsck(1M), acl(5).
backup(1M)