Automating Linux and Unix System Administration Second Edition phần 3 ppsx
... odahh_kii]j`o6 ]hh66 +qon+^ej+n`]pa)ojpl-peiakqp9/, na`d]p*Dn,.[M-66 +qon+hk_]h+o^ej+hkc[l]_g]cao^]_gcnkqj`9pnqa On all systems, the n`]pa command is executed to synchronize the system s clock. Cfengine terminates this command in 30 seconds if it has not completed. On systems running Red Hat Linux, a ... master, system upgrade, and patching procedures is ea...
Ngày tải lên: 13/08/2014, 04:21
... CONTENTS xiii Perl 37 9 Basic Usage 38 0 Other Scripting Languages 38 2 Perl Resources 38 3 Basic Regular Expressions 38 3 Characters 38 3 Matching Repeating Characters 38 4 Other Special Characters 38 5 Marking and ... Referencing 38 5 grep 38 6 The sed Stream Editor 38 9 Modifying a File 38 9 M...
Ngày tải lên: 13/08/2014, 04:21
... each system by logging in and manually run- ning the _b]cajp command. Cfengine follows a good theory in system- administration automation: the more ways you can initiate changes to a system, ... $skng`en%+^ej+_boanr` -1ik`a 931 1 -2pula9_da_goqi -3 CHAPTER 3 USING SSH TO AUTOMATE SYSTEM ADMINISTRATION S...
Ngày tải lên: 13/08/2014, 04:21
Automating Linux and Unix System Administration Second Edition phần 4 pptx
... AUTOMATING A NEW SYSTEM INFRASTRUCTURE 1 63 Internal NTP Masters We’ll use our cfengine master host (goldmaster.campin.net) and our Red Hat Kickstart system (rhmaster.campin.net) as the two systems ... to choose Linux over Solaris systems to handle this role. You should find it quite easy to modify this procedure to use one or more Solaris systems to synchronize off site instead,...
Ngày tải lên: 13/08/2014, 04:21
Automating Linux and Unix System Administration Second Edition phần 5 docx
... identical, and contain only a single line: &)jkhk_g(noeva9/ .32 3(soeva9/ .32 3(lnkpk9p_l(d]n`(ejpn(peiak94(jkoqe`(napn]jo91 ]qnkn]6+atlknp+dkia+" Note The single line in the ]qpk[dkia and ... 5. +ap_+]qpk*i]opan and +ap_+]qpk*dkia. On Solaris, the files are +ap_+]qpk[i]opan and +ap_+]qpk[dkia. The ]qpk*i]opan a...
Ngày tải lên: 13/08/2014, 04:21
Automating Linux and Unix System Administration Second Edition phần 6 pps
... applications and data from mul- tiple systems. You can modify the files on any system, and the changes become instantly available on all other systems. Problems with network filesystems begin ... client systems inoperable. With NFS, a user should have the same user ID on all systems. All file ownership on an NFS filesystem—well, any filesystem, really—is assigned by user IDs (UIDs) an...
Ngày tải lên: 13/08/2014, 04:21
Automating Linux and Unix System Administration Second Edition phần 7 pdf
... has bugs; and all manner of issues crop up that cause hosts and applications to fail. System and service monitoring is automation’s com- panion tool, used to notify us when systems and applications ... chapter, and we believe that our choices will scale with your environment as it grows. have chosen Nagios for our system and service monitoring system. Nagios is flex- ibl...
Ngày tải lên: 13/08/2014, 04:21
Automating Linux and Unix System Administration Second Edition phần 8 pptx
... COURSE Most system administrators are familiar with the `ebb and l]p_d commands. The `ebb command is used to compare text files line by line and show the differences. The l]p_d command takes a ... revision and repository path of the source files. If merging is entirely new to you and you’re still struggling to understand the concepts, you’re not alone. Revision control system to...
Ngày tải lên: 13/08/2014, 04:21
Automating Linux and Unix System Administration Second Edition phần 9 potx
... -,40=??ALPq`l))apd,&,*,*,*,+,,*,*,*,+,q`l`lp61-0 1/,,=??ALPp_l))apd,&,*,*,*,+,,*,*,*,+,p_l`lp61-0,,bh]co6,t -3+ ,t,. ,,=??ALPp_l))apd,&,*,*,*,+,,*,*,*,+,p_l`lp61222bh]co6,t -3+ ,t,. ,,=??ALPp_l))apd,&,*,*,*,+,,*,*,*,+,p_l`lp61/,4bh]co6,t -3+ ,t,. /-4,=??ALPp_l))apd,&,*,*,*,+,,*,*,*,+,p_l`...
Ngày tải lên: 13/08/2014, 04:21
Automating Linux and Unix System Administration Second Edition phần 10 potx
... language advanced usage, 39 3 39 4 basic usage, 39 2 39 3 description of, 38 2, 39 2 resources, 39 4 B back referencing, 38 5 38 6 backups FAI and, 34 2 34 6 Jumpstart and, 33 8 34 0 Kickstart and, 34 0 34 2 of Subversion ... 35 4 35 5 protecting system accounts, 35 9 36 0 removing SUID bit, 35 5 35 8 removing unsafe files, 36 2 36 3 shutting down daemons, 36 1 36 2 firewal...
Ngày tải lên: 13/08/2014, 04:21