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If you have root access on the nodes, then to set up time synchronization. The most commonly used tool for this is ntpd, available in all but the most specialized Linux distributions (as well as other Unix systems). Ntpd periodically sends queries over the network to obtain the current time, measures the drift of the local clock and tunes the local clock to ...


Assuming you run SSH on the head node, you could simply retrieve the current time from it using the date command over SSH. ssh user@host date It's easiest and safest to authenticate with the head node using private key authentication, so you are not required to type in a password to login. On the slave nodes you can set the current time using the ...


Jodka Lemon's answer is correct: cron executes its job, and sends a result mail to "root@orion" (via "mail" or similar) the MTA cannot resolve host orion, since the hostname is not listed in /etc/hosts and not resolvable via dns. so the mailer writes the dead letter information You will find the destination address of crons mail output in the crontab ...


Change the following line in /etc/hosts localhost to localhost orion Your MTA was unable to resolve the domain name of your machine.


I have added time on my calendar and display Paris or Melbourne time my calendar widget You can check this to update your widget. The main magic is here: local f = io_m.popen("TZ='"..locale.."' date +%H:%M") local s = f:read('*a') local header = os.date("%B %Y ",os.time{year=year,month=month,day=1})..s


If it's standard for /dev/rtc0 to belong to the audio group in Arch, you could just add yourself to the audio group (using adduser; you'll need to log out and log back in for the change to be effective). Alternatively, you could add an ACL giving yourself access to the device (look up setfacl to see how to do this). Ideally you shouldn't need to access the ...

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