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4 4.1 Linux POSIX POSIX Portable Operating System Interface for UNIXIEEE UNIX OS IDuid/ IDgid 4.1.1 UID GID IDuidUser Identifier) Linux Linux uid uid 0 65535 0 ID root IDgid: Group IdentifierLinux 1 gid 0 65535 4.1.2 1 useradd grooupadd sato suzuki suzuki wheel eigyou www.lpi.or.jp 101 (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:
Page 68 and 69: 2.1 Transceiver: internal Auto-neg
Page 70 and 71: 2.3 # chkconfig network on # chkco
Page 72 and 73: 2.3 2.3.5 /etc/services /etc/ser
Page 74 and 75: 2.4 iptables NAPT(IP ) IP 1 IP
Page 76 and 77: 2.4 iptables INPUT OUTPUT FORWARD
Page 78 and 79: 2.4 iptables # system-config-firew
Page 80 and 81: 2.5 DHCP 5. system-config-firewa
Page 82 and 83: 2.5 DHCP range 192.168.0.200 192.1
Page 84 and 85: 2.5 DHCP 2.5.8 Windows DHCP Wind
Page 86 and 87: 2.5 DHCP 2.7 TCP/IPv4 4 (TCP/IP
Page 88 and 89: 2.5 DHCP 2.10 IP IP DNS 2.5.9
Page 91 and 92: 3 3.1 OS OS 1. 2. BIOS 3. GRU
Page 93 and 94: 3 timeout=5 splashimage=(hd0,0)/g
Page 95 and 96: 3 ..- 2.6.32-504.el6.x86_64 3
Page 97 and 98: 3 0 1 2 3 4 5 6 0 0 #
Page 99 and 100: 3 3.1.6 runlevel # runlevel N
Page 101 and 102: 3 httpd : [ OK ] httpd # servic
Page 103 and 104: 3 5 rc5.d # ls /etc/rc.d init
Page 105 and 106: 3 3.3 cron Linux cron 3.3.1 c
Page 107 and 108: 3 0-59 0-23 1-31 1-12 0-70
Page 109 and 110: 3 3.3.7 cron crontab -r cron #
Page 111 and 112: 3 # ls /etc/cron.hourly/ 0anacron
Page 113 and 114: 3 #period in days delay in minute
Page 115 and 116: 3 # ntpq -p remote refid st t whe
Page 117: 3 3.4.6 NTP NTP NTP NTP /etc/
Page 121 and 122: 4 [sato@server ~]$ vi /tmp/sato
Page 123 and 124: 4 [sato@server ~]$ ls -ld testdir
Page 125 and 126: 4 passwd Ctrl+Z Enter [sato@ser
Page 127 and 128: 4 [suzuki@server ~]$ echo "suzuk
Page 129 and 130: 4 mask::rw- other::r-- suzuki /t
Page 131 and 132: 4 Windows # smbpasswd -a sato N
Page 133 and 134: 4 4. 4.4 samba_acl_test samba_
Page 135 and 136: 4 2. setfacl samba_acl_test ACL
Page 137 and 138: 4 4.3.3 setenforce SELinux sete
Page 139 and 140: 4 ls -lZ Apache Web httpd # ls
Page 141 and 142: 4 # permissions). # #UserDir disa
Page 143 and 144: 4 pid=7352 pid=7357 auid=0 uid=48
Page 145 and 146: 4 (m ): t t (1-4): 2 2 16 (
Page 147 and 148: 4 vgextend /dev/sdb2 Volume00
Page 149 and 150: 4 # umount /mnt/LVMtest/ /dev/Vol
Page 151 and 152: 4 dd • MBR(Master Boot Record)
Page 153 and 154: 4 4.5.7 /mnt/backup_test/dev/s
Page 155 and 156: 4 -rw-r--r--. 1 root root 0 12 22
Page 157 and 158: 4 4.5.10 tar tar Linux /boot
Page 159: 4 _64 -rw-r--r--. 1 root root 20
Page 162 and 163: 5.1 5.1.2 Yum Yum RPM RPM /etc
Page 164 and 165: 5.1 yum update [] yum groupli
Page 166 and 167: 5.1 emacs x86_64 1:23.1-25.el6 bas
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5.1 # CentOS-6. You can use this r
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5.2 # wget http://pkgs.repoforge.o
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5.2 top stress CPU # top top - 0
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5.2 7 0 116104 301924 66184 81372
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5.2 Linux 2.6.32-504.el6.x86_64 (s
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5.2 sar -b I/O # sar -b 1 3 Linu
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5.2 LogDir TmpDir MailTo MailF
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5.2 /usr/share/logwatch/scripts/se
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5.2 Range = Today logwatch --prin
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6.1 • /var/log/maillog • Web
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6.1 debug info notice warning war
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6.1 authpriv.∗ /var/log/secure
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6.1 /etc/rsyslog.conf 2 $ModLoa
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6.1 [root@server ~]# service iptab
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6.1 /etc/logrotate.conf logrotate
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6.1 mail address/nomail address
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6.2 6.1.15 /etc/logrotate.d/httpd
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6.2 telnet IP telnet # yum ins
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6.2 13:17:06.041125 IP server.exam
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6.2 6.2 eth0 eth0 Start 4. Web
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6.3 GRUB 1. 5 GRUB 2. e ker
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6.3 6.6 Language 6.7 www.lpi.o
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6.3 5. /mnt/sysimage 6.10 /mnt/s
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6.3 exit 9.reboot DVD DVD 6.1
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7.2 SysV init systemd 7.2.1 syst
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7.2 SysV init systemd Loaded: loa
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7.2 SysV init systemd 7.2.5 -t d
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7.2 SysV init systemd # systemct
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7.3 journald # systemctl set-defau
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7.4 firewalld # mkdir /var/log/jou
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7.4 firewalld Public For use in p
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7.4 firewalld 7.2 CUI NetworkMan
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