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1 I am creating Symlinks for Magento purposes but for some reason something is going wrong. I created the symlinks using PuTTy SSH. So I did this: cd /home/user/domains/newwebsite/public_html/ ln -s /home/user/domains/oldwebsite/public_html/app/ app So this is supposed to create a "shortcut" towards the app directory on the old website, right? Well, it did, kind of. If I do dir it shows the directory. But when I look at it on FileZilla, it shows nothing. Also, going to the app directory, it perfectly shows the files and directories it should contain. When I create the folder app using FileZilla, I'm unable to open it. And when I delete the app folder, it is also gone using the dir command. Changing names of files using FileZilla also changes it when using dir . I have been doing this f...

6 I have 4 computers on a LAN that need to have their system clocks closely synchronized within a ms or so if possible. I have just installed a GPS based time server (ESE-104A) on the LAN. At this point the LAN is connected to a router and the internet but the router will not be connected to the internet when operational. In operation the whole system will be started when power is applied to the machines, NTP server, and router. How can I set Ubuntu to sync every so many minutes and calculate what the period should be? How can I get an idea of how long it takes to settle down and what the quality of the time keeping is? I found a reference, from around 2000 perhaps, that suggests that the hwclock should be synched from the system time only at shut down. Should I do this and how? What log files should I k...