Why Linux is Better

Taken from http://www.whylinuxisbetter.net

1. Forget about viruses.
2. Is your system unstable?
3. Linux protects your computer.
4. Don’t pay $300 for your operating system.
5. Freedom!
6. When the system has installed, why would you still need to install stuff?
7. Update all your software with a single click.
8. Why copy software illegally if you can get it for free?
9. Need new software? Don’t bother searching the web, Linux gets it for you.
10. Jump into the next generation of desktops.
11. Does your digital life seem fragmented?
12. Choose what your desktop looks like.
13. Why does your Windows get slower day after day?
14. Do something for the environment.
15. Enjoy free and unlimited support.
16. Use MSN, AIM, ICQ, Jabber, with a single program.
17. Too many windows? Use workspaces.
18. Don’t wait years for bugs to be solved, report and track them down.
19. Are you tired of restarting your computer all the time?
20. Let your old computer have a second life.
21. Play hundreds of games for free.
22. Help other countries, and your own.
23. Get a great music player.
24. Keep an eye on the weather.

25. n many more, please give your reason…???

BTW,
The few cases where you should stick to Windows (for now)

1. There is proprietary software you can’t live without
2. You’re a hardcore gamer
3. You work in the book/printing industry
4. Your hardware is not yet supported

Okay, I want Linux on my PC! What should I do now?

1. Try Linux without touching Windows
2. Install Linux (and still keep Windows)

KONFIGURASI PROXY

1.            Cek port squid

# rpm –qa | grep squid

2.      Konfigurasi squid

         # vi /etc/squid/squid.conf

* —————————————

*   menentukan http_port, default 3128, boleh 8000

http_port 3128

*   Menentukan cache_mgr (alamat email)

cache_mgr wanda@hotelbumiwiyata.oke

*   Menentukan cache_effective user & group

Default squid

*   Menentukan visible_hostname (alamat web)

*   Menentukan direktori untuk cache   

Cache_dir ufs /var/spool/squid/cache

Besar 100 kb, 16 subfolder, 26 subfolder level 2

* —————————————-

 

3.      Buat direktori cache

         #mkdir /var/spool/squid/cache

4.      Beri ijin akses

         #chown –R squid.squid /var/spool/squid

5.      Aktifasi/Inisiasi cache

         #squid -Z

6.      Restart squid

         # service squid restart

         # /etc/initd.d/squid restart

 

Setting Samba

1.      Cek Paket Samba

# rpm –qa | grep samba

Samba

Samba Client

Samba-

 2.      Konfigurasi Samba (Smb.Conf)

# vi  /etc/samba/smb.conf

* ————————-

* Global Setting

workgroup       = bunga

netbios name    = melati

Security            = share

* ——————-

 

# Share Definisikan

*————————————-

[wanda]

comment          = hello ini wanda

path                  = /home/wanda

read only          = Yes

public               = yes   

* ————————–

 

3. Restart Samba

# service smb restart

# /etc/init.d/smb restart

 4. Tes Samba

# Sub Client_L Local host

Password = (Enter)

Konfigurasi Samba Swat

# vi /etc/xinetd.d/Swat

Ganti disable = No

 Restart xinetd

# /etc/init.d /xinetd restart

Buka Browser

http : //localhost:901

Setting POSTFIX

1.      Cek Poket postfix/imap

# rpm –qa  | grep postfix

# rpm –qa  | grep imap

2.      Postfikon postfix yang hidup

# /etc/init.d/sendmail stop

# /etc/init.d/postfix start

 3.      Cek port 25

# netstat –tan | grep 25

4.      Konfigurasi postif

# vi /etc/postfix/main.cf

* ——————————————–

*  Internet Host and Domain.Host

    myhostname = mail.mawar.oye

    mydomain                 = mawar.oye

* SENDING MAIL

   myorigin                    = $mydomain

* RECEIVING MAIL

   inet_interface             = all     

* my_destination           = $ myhostname,$mydomain

* TRUST ANDRELAY CONTROL

    My networks            = 192.1680.0.0/24,127.0.0.0.018

* ———————————————————————-

1.      Konfigurasi POP/IMAP server

# vi /etc/xinetd.d/ipop3

disable = Yes No

# vi /etc/xinetd.d/imap

disables = Yes No

 2.      Restart POP/IMAP/Postfix

# /etc/init.d/postfix restart

# /etc/init.d/xinetd restart

 3.      UJI STMP (25), POP (110), IMAP (143)

1.      Samba Server

2.      SquidServer

3.      Dial-up Internet

Samba            (File, Printer)

NFS               (File)

Lpd                 (Printer)

Setting WEB SERVER

1.      Cek httpd

# rpm –qa | grep httpd

2.      Restart apache (httpd)

# service httpd restart# /etc/init.d/httpd restart

3.      Lihat port 80

# netstat –tan | grep 8

4.      Buka Browser

http://localhosthttp://127.0.0.1

5.      Konfigurasi Apache

Bukalah file httpd.conf pd file # vi /etc/httpd/conf/httpd.conf

1. Aktifkan Servername

Server Name new.host.name : 80

# service httpd restart (restart ulang) 2. Web Hostinga.      Konfigurasi pd Document  Root

- Buka kembali file # vi /etc/httpd/conf/httpd.conf

- Cari data DocumentsRoot “/var/www/html”- Masuk ke dir # cd /var/www/html

- #vi index.html

-         Restart Apache

-         Buka Browser http://localhost

# cd /var/www/hml

# mkdir keu; #cd keu; # vi index.html

# mkdir sdm; #cd sdm; # vi index.html

# mkdir /var/web

            * Buka file httpd.conf

    * ————————

# DocumentRoot “/var/www/html”

DocumentRoot “/var/web”

* —————————–

 

* buat file pd /var/web

#cd /var/web

#vi index.html

*Restart Apache

*Buka Browser http://localhost

Pendukung :

# vi /etc/httpd/http.conf letak html

# /var/www/html

Direktori PHP

# /etc/php.ini

mysqld

 a.      UserDir

Buka httpd.conf, cari UserDir

#User Dir disable

UserDir Public_html

* Beri ijin akses pd home directory

# chmod 755 /home/wanda

#su wanda

#cd

#ls

#mkdir public_html

#cd Public_html

#vi index.html

 b.      VirtualHost

Buka httpd.conf

Cari

* ——————————

#Name Virtual Host

ganti

Name Virtual Host 192.168.0.

<Virtual Host 192.168.0. >

    Server Admin root@localhost

    DocumentRoot /home/wanda

    Server name www.hotelbumiwiyata.oke

</Virtual Host>

* —————————————–

*Restart Apache

* Buka Browser http://www.hotelbumiwiyata.oke

3.  Directory Index

Index.html  index.php main.html

Pendelegasian pada server

$TTL 86400

$ORIGIN oke.

@    IN SOA ns.oke. root (

   -

   -

- 

  

@     IN  NS ns.oke.

@     IN  MX 10 mail.oye.oke

ns  IN A 19.168.0.113

  

melati       IN NS ns.melati.oye

ns.melati  IN A 192.168.0.118

mawar      IN NS ns.mawar.oye

ns.melati  IN A 192.168.0.119

sakura       IN NS ns.melati.oye

ns.melati  IN A 192.168.0.120

Setting DNS SERVER

# nslookup www.yahoo.com

# dig www.yahoo.com

Setting

1.      Cek Port Bind

# rpm –qa | grep bind

2.      Konfigurasi named.conf

# vi /etc/named.conf

* —————————-

Zone “.”

            -

            -

Zone “localhost”

            -

            -

Zone  “0.0.127.m-addrarpa”

            -

            -

Zone “hotelbumiwiyata.oke” IN {

            Type master;

            File “hotelbumiwiyata.oke.zone”;

};

* ———————————— 

1.      Buat Zone pada /var/named

# cd /var/named# cp localhost.zone hotelbumiwiyata.oke.zone# vi hotelbumiwiyata.oke.zone* ——————————–

$ TTL 8600

$ ORIGIN hotelbumiwiyata.oke

@                IN SOA ns.hotelbumiwiyata.oke. root (

42         : serial  (d. adans)

3H    : refresh

15M : retry

1 W  : expiry

1 D   : minimum

@                 IN NS  ns.hotelbumiwiyata.oke.

@                 IN MX 10  mail.hotelbumiwiyata.oke.

www IN A 192.168.0.1

mail IN A 192.168.0.1

@ IN A 192.168.0.1

ns1 IN A 192.168.0.1

ns2 IN A 192.168.0.1

* ———————–

 

1.      Restart named

# killall named# service named start

2.      Matikan firewall

# service iptables stop

3.      Cek Port 53

# netstat –tan | grep 53

4.      Arahkan name server ke komputer DNS Server

# vi /etc/resolv.conf

5.      Test Hasil

# nslookup www.hotelbumiwiyata.oke

 

Setting WVDIAL

/etc/wvdial.conf

1. cek wvdial

# rpm –qa | grep wvdial

2. Pasang modem

3. Aktifkan modem

 #  wvdialconf /etc/wvdial.conf

4. Konfigurasi wvdial.conf 

(#vi /etc/wvdial.conf)

Phone        = 080989999

Username  = telkomnet@instan

Password   = telkom

5. Service wvdial restart

# wvdial

Setting Gateway

# route –n   ~>cek

# route del default  ~>hapus gw

# route add default gw 192.168.0.1 ~> memberi gw

MEMBERIKAN IP ADDRESS

Cara 1

# ifconfig eth0 192.168.0.1 netmask 255.255.255.0

# ifconfig cara diatas akan jika di restart akan kembali ke IP semula 

Cara 2

# service netmask restart   (restart netmask)

# echo “ifconfig eth0 192.168.0.1” >> /etc/rc.local cara diatas masih hilang saat direstart 

Cara 3 (buka script)

 #vi /etc/sysconfig/network-scripts/ifcfg-eth0 

aplikasi untuk menulis pada file diatasi nama netconfig

 # netconfig

Utility

1. wc(word account)     $wc /etc/passwd

$wc file1 

2. head & tail

$head file1   (menampilkan baris pertama)$head file1  /etc/passwd$head –s /etc/passwd$tail file1  (menampilkan 10 baris terakhir)$tail /etc/group$tail –s /etc/shadow 

3. grep (mencari string)

$grep baris file1$grep budi /etc/passwd$grep budi* /etc/passwd$global /etc/php.ini 

4. grep (mencari string)

$grep baris file1$grep budi /etc/passwd$grep budi* /etc/passwd$global /etc/php.ini 

5. find (mencari file / dir)

$find –name file1$find /home –name file1$find /home –user budi 

6. lpr (print)

$lpr file1$lpr file2$lpg (melihat gue)$global /etc/php.ini 

7. ps (proses)

$ps$ps –ax  (seluruh proses dalam computer) 

8. kill (menghentikan proses)

$kill -9 1742 

9. Mencari Progran Aplikasi

$whereis mozilla$which mozilla$whereis gimp 

10. zip & unzip

$gzip file1$ls$gunzip file1.gz 

Kalau ada zip dari windows

$unzip file1.zip 

11. arsip membuat bundle dile

$tar –c arsipfile file1