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6.1 • /var/log/maillog • Web /var/log/httpd/error_log 6.1.3 dmesg dmesg display message<strong>Linux</strong> dmesg # dmesg Initializing cgroup subsys cpuset Initializing cgroup subsys cpu <strong>Linux</strong> version 2.6.32-504.el6.x86_64 (mockbuild@c6b9.bsys.dev.centos.org) (gc c version 4.4.7 20120313 (Red Hat 4.4.7-11) (GCC) ) #1 SMP Wed Oct 15 04:27:16 UTC 2014 Command line: ro root=/dev/mapper/vg_server-lv_root rd_LVM_LV=vg_server/lv_s wap rd_NO_LUKS rd_LVM_LV=vg_server/lv_root rd_NO_MD crashkernel=auto KEYBO ARDTYPE=pc KEYTABLE=jp106 LANG=ja_JP.UTF-8 rd_NO_DM rhgb quiet KERNEL supported cpus: Intel GenuineIntel AMD AuthenticAMD Centaur CentaurHauls Disabled fast string operations 6.1.4 syslog syslog syslog syslog CentOS 6 syslog rsyslog rsyslog syslog syslogd syslog rsyslogReliable syslog TCP www.lpi.or.jp 168 (C) LPI-Japan
6 syslogd 6.1.5 syslog facility priority auth authpriv cron daemon kern lpr mail news security syslog user uucp local0 local7 loginsu cron at NetNews auth syslogd uucp facility www.lpi.or.jp 169 (C) LPI-Japan
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Linux LPI-Japan 2015-04-16
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7 Linux Linux Linux OS Red
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LPIC Linux Web 1 1 W
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sato • 1 • 2 • 3
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i . . . . . . . . . . . . . . . .
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2.2 network NetworkManager . . . .
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4.1.10 umask . . . . . . . . . . .
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6.3.1 . . . . . . . . . . . . . .
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1.1 fined_r:unconfined_t:s0-s0:c0.
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1.1 # passwd suzuki suzuki : su
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1.2 1.2.1 1 () # id suzuki ui
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1.2 # id suzuki uid=501(suzuki) gi
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1.3 $ ll 0 -rw-rw-r--. 1 suzuki s
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1.3 $ chmod u-x testdir $ ls -l
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1.3 Account expires : never Minimu
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1.3 drwx------. 26 sato sato 4096
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1.4 SSH 1.4.2 SSH CentOS OpenSSH
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1.4 SSH RX packets:19972 errors:0
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1.4 SSH 1.4.8 SSH SSH Linux ssh-
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1.4 SSH ~/.ssh id_rsa.pub id_r
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1.4 SSH authorized_keys SELinux
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1.4 SSH [sshuser@client ~]$ ssh ss
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1.4 SSH 1.1 IP IP SSH OK 2.
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1.4 SSH 1.4 1.4.15 Tera Term T
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1.4 SSH 1.7 From: TeraTerm SSH SC
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1.5 root OpenSSH /etc/ssh/sshd_con
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1.5 root 1.5.3 su su root root
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1.5 root #2) Think before you type
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1.5 root 28608 pts/0 S 0:00 su - h
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2.1 TX packets:45 errors:0 dropped
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2.1 ARP ARP ip neighbor show ar
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2.1 udp 0 0 0.0.0.0:111 0.0.0.0:
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2.1 Transceiver: internal Auto-neg
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2.3 # chkconfig network on # chkco
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2.3 2.3.5 /etc/services /etc/ser
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2.4 iptables NAPT(IP ) IP 1 IP
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2.4 iptables INPUT OUTPUT FORWARD
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2.4 iptables # system-config-firew
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2.5 DHCP 5. system-config-firewa
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2.5 DHCP range 192.168.0.200 192.1
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2.5 DHCP 2.5.8 Windows DHCP Wind
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2.5 DHCP 2.7 TCP/IPv4 4 (TCP/IP
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2.5 DHCP 2.10 IP IP DNS 2.5.9
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3 3.1 OS OS 1. 2. BIOS 3. GRU
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3 timeout=5 splashimage=(hd0,0)/g
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3 ..- 2.6.32-504.el6.x86_64 3
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3 0 1 2 3 4 5 6 0 0 #
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3 3.1.6 runlevel # runlevel N
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3 httpd : [ OK ] httpd # servic
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3 5 rc5.d # ls /etc/rc.d init
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3 3.3 cron Linux cron 3.3.1 c
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3 0-59 0-23 1-31 1-12 0-70
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3 3.3.7 cron crontab -r cron #
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3 # ls /etc/cron.hourly/ 0anacron
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3 #period in days delay in minute
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3 # ntpq -p remote refid st t whe
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3 3.4.6 NTP NTP NTP NTP /etc/
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4.1 # id sato uid=500(sato) gid=50
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4.1 [sato@server ~]$ umask 0002 um
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4.1 /etc/profile # cat /etc/bashr
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4.1 [sato@server ~]$ write suzuki
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4.2 POSIX ACL 4.2.2 ACL ACL getfa
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4.2 POSIX ACL # yum install samba S
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4.2 POSIX ACL 4.2 3. 4.3 sato
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4.2 POSIX ACL Windows samba_acl_te
Page 136 and 137: 4.3 SELinux 4.3 SELinux SELinux Li
Page 138 and 139: 4.3 SELinux /etc/selinux/config SE
Page 140 and 141: 4.3 SELinux 4.3.7 Boolean SELinux
Page 142 and 143: 4.3 SELinux 4.8 Forbidden root /va
Page 144 and 145: 4.4 LVM PV PV 8E Linux /dev/sd
Page 146 and 147: 4.4 LVM lvcreate lvcreate -L -n
Page 148 and 149: 4.4 LVM # df /mnt/LVMtest/ Filesys
Page 150 and 151: 4.5 4.5 4.5.1 CD DVD
Page 152 and 153: 4.5 4.5.5 tar Tape Archiver tar
Page 154 and 155: 4.5 # dd if=/dev/sdb of=/dev/sdc 2
Page 156 and 157: 4.5 -0 0 0 -u /etc/dumpdates
Page 158 and 159: 4.5 efi symvers-2.6.32-504.el6.x86
Page 161 and 162: 5 5.1 Linux Linux Linux 1
Page 163 and 164: 5 enabled 0 yum --enablerepo
Page 165 and 166: 5 ∗ base: ftp.nara.wide.ad.jp
Page 167 and 168: 5 5.1.5 yum Locale LANG yum gro
Page 169 and 170: 5 # ln -s /media/CentOS_6.6_Final
Page 171 and 172: 5 PID USER PR NI VIRT RES SHR S %
Page 173 and 174: 5 5.2.3 vmstat vmstat CPU vmst
Page 175 and 176: 5 # iostat Linux 2.6.32-504.el6.x
Page 177 and 178: 5 dm-0 0.00 0.00 1.17 5.33 41.92
Page 179 and 180: 5 # sar -f /var/log/sa/sa22 Linux
Page 181 and 182: 5 Detail Low0Med5High10 Service
Page 183 and 184: 5 # logwatch --print ############
Page 185: 6 6.1 OS 6.1.1 CentOS /var/
Page 189 and 190: 6 6.1.7 - Y * @ IP UDP
Page 191 and 192: 6 -A INPUT -j REJECT --reject-wit
Page 193 and 194: 6 $ModLoad TCP $InputTCPServerRu
Page 195 and 196: 6 syslogrsyslog ```shell-session
Page 197 and 198: 6 extension .baksome.log some.
Page 199 and 200: 6 prerotate firstaction postrot
Page 201 and 202: 6 • netstat • tcpdump • Wir
Page 203 and 204: 6 6.2.4 tcpdump GUI Wiresh
Page 205 and 206: 6 Wireshark Network Analyzer # wi
Page 207 and 208: 6 6.3 http Filter:httpEnter Hy
Page 209 and 210: 6 1. CentOS DVD BIOS DVD 2. R
Page 211 and 212: 6 6.8 4. /mnt/sysimage Read-On
Page 213 and 214: 6 6.11 shell 7. bash /mnt/sysim
Page 215 and 216: 7 CentOS 7 7.1 CentOS 7 CentOS
Page 217 and 218: 7 CentOS 7 systemctl status sys
Page 219 and 220: 7 CentOS 7 7.2.4 systemctl list-
Page 221 and 222: 7 CentOS 7 7.2.8 systemctl enabl
Page 223 and 224: 7 CentOS 7 2. /etc/systemd/system
Page 225 and 226: 7 CentOS 7 1 28 17:29:04 centos7.
Page 227 and 228: 7 CentOS 7 sources: services: dhc
Page 229 and 230: 7 CentOS 7 7.1 GUI NetworkManag
Page 231: Linux 2015 4 16 v1.0.0 LPI-Ja
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