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By Seifried K.

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5 736 348 ? 6 800 432 ? 0 1056 684 ? 7 852 472 ? 9 1272 592 ? 0 1184 672 ? 0 1180 644 ? 0 1072 680 ? 7 1884 1096 ? 3 720 228 ? 6 772 396 ? 5 1492 1000 ? 0 188 44 ? 9 1864 1232 ? 9 1836 1212 ? nfsd, dhcpd, inetd, and sendmail (this server appears to be providing gateway services, email and NFS file sharing). The easiest way to learn how to read ps output is go over the ps man page and learn what the various fields are (most are self explanatory, such as %CPU, while some like SIZE are a bit obscure: SIZE is the number of 4k memory ‘pages’a program is using).

0:80 which means all interfaces, port 80, followed by the DNS server running on all 3 interfaces, a samba server (139), a mail server (25), an NFS server (2049) and so on. e. no one is actively ftping in), it is listed in the netstat output. This makes netstat especially useful for finding out what is active on a machine, making an inventory of active and inactive network related software on the server much easier. lsof lsof is a handy program similar in idea to ps, except that it prints out what files/etc are open, which can include network sockets.

1 2120 1368 ? 6 12728 11796 ? 8 1012 544 ? 8 1012 540 ? 6 916 416 ? 8 1192 568 ? 3 716 240 ? 8 1932 1200 ? 8 1932 1200 ? 6 776 404 ? 0 0 0 ? 0 0 0 ? 0 0 0 ? 5 736 348 ? 6 800 432 ? 0 1056 684 ? 7 852 472 ? 9 1272 592 ? 0 1184 672 ? 0 1180 644 ? 0 1072 680 ? 7 1884 1096 ? 3 720 228 ? 6 772 396 ? 5 1492 1000 ? 0 188 44 ? 9 1864 1232 ? 9 1836 1212 ? nfsd, dhcpd, inetd, and sendmail (this server appears to be providing gateway services, email and NFS file sharing). The easiest way to learn how to read ps output is go over the ps man page and learn what the various fields are (most are self explanatory, such as %CPU, while some like SIZE are a bit obscure: SIZE is the number of 4k memory ‘pages’a program is using).

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