time synchronizing between workstation & mysql database backup

hi there expert,

i'm having some problem here, first is the time synchronize between workstation.  how can i make the workstation using the server time so that every pc has the same time.  is there any script to use?

second is mysql database backup in linux.  i'm using redhat 9 and need to do backup on the data inside the database to external media.  

can anyone show me how to use cron to backup the data at certain time?  

very much appreciate for the help
thanks
peggyjongAsked:
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paullamhkgCommented:
For the time sync. you can use your RH9.0 as the time server using the ntpd service have a check here http://www.ntp.org/

For the MS win client have a check here application http://oneguycoding.com/
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paullamhkgCommented:
oh forgot the mention if your others PC are linux box, set the ntp server start up and /etc/ntpd.conf or /etc/ntp.conf set you time server IP inside the config file, they will sync the time.

For M$ windows, I know that there is/are some tools already build in for time sync in Win2K or WinXP, but not in Win98se or WinME.
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glassdCommented:
I understand that ntp is also available for most windows flavours.
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peggyjongAuthor Commented:
sorry,  i'm quite slow in setting up the service.
but i put my server ip address inside the ntp.conf file and restart the pc.  
seems like the time still remain the same.  it doesn't sync with the server time.

any other steps require after i put the server ip inside the ntp.conf file?  

thanks
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paullamhkgCommented:
is your time server is a linux server or a windows server? do you have a time server internally?

or do your workstation is linux box or a M$ windoz??

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paullamhkgCommented:
have a check here http://www.eecis.udel.edu/~mills/ntp/html/index.html#conf there is some program you may use for test also.
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gruntwerkCommented:
add the command
net time \\computername /set to the login script on your windows boxes...
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