Lab 1 ติดตั้งระบบปฏิบัติการลินุกซ์และคำสั่งพื้นฐาน (CentOS)

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Lab1 1. 2. 1. Linux

CentOS graphic mode text mode

text mode

(Setup File) OK

Skip

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CentOS Next

Next

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Keyboard Next

Partition Automatically partition partition Manually partition partition ( Manually partition) Next

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Directories / = root directories, /swap

visual memory 2 512MB /swap 1024MB (1GB)

/ 2000MB (2GB) File system ext3 New Edit partition Mount point directories / Size MB

/swap File System Type swap

1067MB (1GB) OK Next

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Directories / Directories /swap Next

Boot boot Next

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IP Address DHCP IP Address

Switch Server DHCP IP Switch IP Address manually IP Address IP Address Switch IP Address Next

Firewall Security Next

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Default English

Thai Next

Time zone Next

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(Password) User root Next

Packages Next

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Next CentOS Hard disk partition

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CentOS

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Reboot

Login User=root, Password

..3 023-4 ..3 025-9 2. ls ,man ,cd ,pwd ,less ,cp ,rm ,tail , mv ,cat ,grep

ls (list) Directories ls [option] [file]

man (manual) parameter option man

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cd (Change Directories) Directories cd [path] pwd Directories pwd

less spacebar less [file]

cp (copy) cp [source] [target] #cp test.txt /home/user1

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rm (remove) rm [option] [file]

tail tail [option] [file] n default = 10

cat cat [file]

mv (move) Directories mv [source] [destination]

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grep grep [option] grep -i ftp /etc/test "ftp"- /etc/test

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3. VI Text editor Text file

VI Text Editor Text VI Text editor vi filemane i (insert), x,backspace,delete cursor ESC Shift + : wq (write quit) !

..3 023-4 ..3 025-9 Linux Option Parameter man (Manual) man Tab 1. Directory Directory

/ (root) /bin Binary

Linux /boot kernel Linux boot GRUB

(GRand Undified Boot loader) LILO /dev Device

tty(Terminal) hda(harddisk) /etc et cetera Configuration file (System

administrator) Service /etc/init.d /home root /root /lib Library /lost+found

(boot) fsck

/media mount cdrom, thumb drive /mnt /opt third party software

install /usr/local

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/proc

/root home directory root /sbin

root sudo /tmp

boot /usr /var log E-mail

2. head tail head tail head n [filemane] > NewFile n

tail n [filemane] > NewFile n

..3 023-4 ..3 025-9 10 Test1 10 Test2 Test3 head -10 Test1 > Test3 | tail 10 Test2 >> Test3