Linux System Administration phần 5 pps

... /local/bin)Label: none 2 . 358 337 ./local 3746 25 ./local/bin 3 759 16 ./local/bin/ntpd 376041 ./local/bin/sudo 3 759 17 ./local/bin/ntpdate 3 759 18 ./local/bin/ntptimeset 3 759 19 ./local/bin/ntpdcYou ... dev=1 ,5, 0 −checkdrive[root@opus root]# cdrecord dev=1 ,5, 0 −checkdriveCdrecord 1.10 (i686−pc linux gnu) Copyright (C) 19 95 2001 Jörg Schillingscsidev: '1 ,5, 0'scsibus: 1 target: 5 lun: ... Installation System: E123 456 78193On the whole, compiling your own kernel is something that every Linux system administrator shouldbe able to do, even if it's not something you do on every system...

... speed. When using a modern 56 Kbps modem, aport speed of 115Kbps is appropriate.• To dial a number, type ATDT followed by the number, such as ATDT 555 −1234 to dial 55 5−1234. AT is the standard ... mkdir /mnt/olddisk2432:23 45: respawn:/sbin/mingetty tty23:23 45: respawn:/sbin/mingetty tty34:23 45: respawn:/sbin/mingetty tty4 5: 23 45: respawn:/sbin/mingetty tty56:23 45: respawn:/sbin/mingetty tty6Each ... motherboards use 1 655 0A UARTs, souarttype would be 1 655 0A for these boards. Very old hardware may use earlierUARTs, such as the 16 450 ; and some devices use more recent ones, like the 16 650 .baud_base...

... RELAY127.0.0.1 RELAYbadspammer.net 55 0 Spam not acceptedspamguy@somebigisp.net REJECTThe 55 0 Spam not accepted line causes sendmail to reject mail from badspammer.net with a 55 0error code and the error ... in Linux, see The System Administrator's Guide, athttp://www.us.kernel.org/pub /linux/ libs/pam /Linux PAM−html/pam.html.File PermissionsWe talked about file permissions in Chapters 5 and ... FROM:<rodsmith@speaker.rodsbooks.com> 250 2.1.0 <rodsmith@speaker.rodsbooks.com> Sender okRCPT TO:<rodsmith@nessus.rodsbooks.com> 250 2.1 .5 <rodsmith@nessus.rodsbooks.com> Recipient okDATA 354 Enter mail,...

... e−mail.Chapter 15: SecurityFigure 15. 1: How Linux passwords are hashedFigure 15. 2: A simple NATed firewall configurationFigure 15. 3: The IP Chains processFigure 15. 4: The IP Tables processFigure 15. 5: ... POP.Chapter 15: SecurityListing 15. 1: rp_filter CodeListing 15. 2: Securing the lilo.conf FileListing 15. 3: Example DES /etc/passwd FileListing 15. 4: Example MD5 /etc/passwd FileListing 15. 5: The ... 15. 6: The system auth FileListing 15. 7: A Sample ipchains FileListing 15. 8: A Sample Netfilter Startup FileListing 15. 9: A Sample iptables.conf File as Saved with iptables−saveListing 15. 10:...

... Toolssolaris_2 _5_ sparc system SUNWdtcor CORE (CDE)solaris_2 _5_ sparc system SUNWdxlib Direct Xlibsolaris_2 _5_ sparc system SUNWesu Extended System Utilitiessolaris_2 _5_ sparc system SUNWfac Framed ... be:root:st44wfkgx33qX:::::::daemon:NP:64 45: :::::bin:NP:64 45: :::::sys:NP:64 45: :::::adm:NP:64 45: :::::lp:NP:64 45: :::::smtp:NP:64 45: :::::uucp:NP:64 45: :::::nuucp:NP:64 45: :::::listen:*LK*:::::::nobody:NP:64 45: :::::noaccess:NP:64 45: :::::The ... Daily System Administration 128 © 1998 University Technology Services, The Ohio State University UNIX System Administration Daily System AdministrationDaily System Administration 13.1.1.2...

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