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FreeBSD Installation and Upgrading Installing and upgrading FreeBSD. |
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freebsd 7 64 bit installation
have always had 32 bit setups but since i have 8gb of ram needed to use the freebsd7 64 bit set up to take full advantage of it.
The server will be runing apache2 php5 mysql5 postfix webmin. Could I have some pointers to how the 64 bit will differ from the 32 bit set up in terms of day to day management. I of course download and install 64 bit versions of apache mysql etc via ports and install them but I take it commands , server maintance, security etc would be the same. thanks
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Freebsd 7 64 bit apache2.2 php5 mysql5 |
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CPUTYPE has no effect on whether or not ports are compiled as 64-bit or 32-bit. The version of the OS installed does.
Try the following to see:
There are options you can pass to the compiler on a 64-bit system that will cause the compiler to compile the app as a 32-bit app. However, CPUTYPE is not one of those options. |
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It's been awhile but, I remember something about java problems on the 64-bit version.
Eg: Nutch, tomcat, billing software for clients, etc .... |
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So far, no issues here either, about 2 years in production, but all server machines. In fact it has been VERY stable and almost no different from the 32 bit version. I have over 100 day uptime on the web box and the last shutdown was to install more RAM. MUCH less trouble than 64 bit Linux by a long shot.
-Tim |
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What does the CPUTYPE do then? My thinking is by letting the compiler know what CPU is being used, then it can compile features (i.e. MMX, SSE3, SSE4) the CPU can use and/or not compile features the CPU cannot use .
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Yes, that is right. Getting it wrong leads to signal 4 (SIGILL, Illigal innstruction) crashes. It also selects cpu optimized code in SSL, as well as any ports that ask for it.
The options for AMD64 are opteron, athlon64, nocona, prescott and core2 (from /usr/share/examples/etc/make.conf on a AMD64 7.0-STABLE as of July)
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