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How can I check what OS my servers are running?

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By reading the documentation you made when setting them up. –  Lucas Kauffman Jul 23 '12 at 21:21
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up vote 6 down vote accepted

On Windows servers, you can have some info with the "srvinfo" command

On linux, try "uname -ra"

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or "lsb_release -a" on Linux, too. –  weeheavy Jan 12 '11 at 13:44
    
msinfo32 works on just about every version of Windows for the last decade; the uname command works on almost all *nix platforms. –  Chris S Jan 12 '11 at 13:46
    
On Linux cat /etc/issue will give you more details about the distribution. There are also some special files: SUSE: /etc/SuSE-release, RedHat: /etc/redhat-release. –  Christian Jan 12 '11 at 14:13
    
cool - did not know about srvinfo –  August Jan 12 '11 at 15:00
    
Srv info is also useful for getting the server's uptime by the way –  Florent Courtay Jan 12 '11 at 15:40
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