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Jika speaker komputer riba anda berbunyi sekalipun anda telah memasang fon telinga; rendahkan slider internal speaker pada aplet bunyi.

  1. Klik-kanan pada aplet bunyi dan pilih Open Volume Control
  2. Seret slider ke bawah untuk mengurangkan bunyi

Rujuk gambar dibawah

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Cekupan skrin Debian dengan persekitaran atas meja LXDE pada N900

Pada N900:
Pergi ke App.manager, kemudian pasang Easy Debian dan lzma.

Pada komputer anda:
Muaturun imej Debian
wget http://qole.org/files/debian-m5-v3d.img.ext2.lzma

Kemudian pindah ke dalam N900 anda.

Pada N900:
Pastikan imej tersebut ada di dalam /home/user/MyDocs. Jika tidak, pindahkan ke dalam lokasi tersebut.

Kemudian pilih aplikasi Deb Img Install. Jika ditanya mengenai lokasi untuk memasang Debian, pilih MyDocs.

Proses pemasangan mungkin mengambil masa dalam setengah jam; tidak termasuk memuaturun imej Debian.

Untuk menggunakan Debian, pilih aplikasi Debian LXDE. Manakala untuk keluar; log keluar seperti biasa yang anda lakukan pada sistem Debian anda dan pilih aplikasi Close Debian.

Nota: apabila saya menulis “pilih aplikasi”; bermakna cari pada menu aplikasi.

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Untuk memasang Ubuntu menggunakan imej CD Ubuntu paling minima, muat turun mini.iso dari http://archive.ubuntu.com/ubuntu/dists/lucid/main/installer-i386/current/images/netboot/

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Tadi lepas pulihkan semula klon imej pelayab mel RHEL 3, tiba-tiba tiada kad rangkaian dikesan apabila menaip
# ifconfig -a

Pelik! Teringat pula buku teks RHCE yang telah dibaca hampir 2 tahun lalu yang ada memperihalkan mengenai kudzu. Program ini boleh mengesan dan mengkonfigurasikan peranti pada komputer dan juga vm anda.

Apa lagi, saya pun taip
# kudzu

dan pilih “Configure” untuk membolehkan peranti rangkaian saya dikesan oleh sistem.

Program kudzu ini telah digantikan dengan HAL semenjak Fedora 9 (RHEL 4?).

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Walapun boleh set IP untuk point ke pelayan backup amanda dalam /etc/amanda/amanda-client.conf, tapi mesti set sebagai FQDN dalam ~/amanda/.amandahosts

Contoh entri kalau FQDN pelayan adalah backup.domain.com:

backup amandabackup amdump
backup.domain.com amandabackup amdump

Kalau tak guna DNS server, kena set secara manual dalam /etc/hosts seperti berikut kalau IP pelayan adalah 10.10.10.1

10.10.10.1 backup.domain.com backup

Siapa boleh terangkan keanehan ini?

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Kalau anda menggunakan Compaq CQ40-115AU yang dilengkapi dengan peranti video ATI HD3200, mungkin anda akan mengalami masalah paparan video yang kurang lancar selepas memasang/menaiktaraf ke Debian Squeeze. Jawapannya adalah dengan memasang pakej firmware-linux-nonfree

Terlebih dahulu, benarkan repo non-free didalam /etc/apt/sources.list, contohnya seperti berikut:

deb http://ftp.us.debian.org/debian squeeze main contrib non-free

Kemudian barulah pasang pakej firmware-linux-nonfree
aptitude install firmware-linux-nonfree

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Nak buat pelayan DNS? Ni contoh pelayan DNS menggunakan sistem Debian GNU/Linux 5 dengan maklumat berikut

IP (bakal) pelayan DNS: 192.168.56.1
Domain yang hendak ditambah: umarzuki.my (contoh)
Pelayan emel yang hendak ditambah: mail.umarzuki.my dengan IP 192.168.56.2

Pasang dulu pakej bind9
aptitude install bind9

Tambah seperti berikut pada /etc/bind/named.conf

zone "umarzuki.my" {
    type master;
    file "/etc/bind/db.umarzuki.my";
};

Buat fail db.umarzuki.my dalam /etc/bind
cd /etc/bind/
cp db.local db.umarzuki.my

Edit db.umarzuki.my seperti berikut:

$TTL    604800
@   IN  SOA umarzuki.my. root.umarzuki.my. (
                  2     ; Serial
             604800     ; Refresh
              86400     ; Retry
            2419200     ; Expire
             604800 )   ; Negative Cache TTL
;
@   IN  NS  umarzuki.my.
@   IN  A   192.168.56.1
@   IN  MX  10 mail.umarzuki.my.
mail    IN  A   192.168.56.2

Mulakan semula servis bind9
/etc/init.d/bind9 restart

Edit /etc/resolv.conf (pada pelayan DNS) pada baris pertama
nameserver 192.168.56.1

Sekarang masa untuk menguji tetapan yang telah dilakukan
nslookup umarzuki.my

Output yang sepatutnya:

Server: 192.168.56.1
Address: 192.168.56.1#53

Name: umarzuki.my
Address: 192.168.56.1

Periksa pula sama ada rekod MX dirujuk kepada yang sepatutnya
host -t mx umarzuki.my

Output yang sepatutnya:

umarzuki.my mail is handled by 10 mail.umarzuki.my.

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Jika anda mendapat mesej seperti ini semasa memulakan apache2, ini cuma masalah tetapan hostname
Pastikan hasil
hostname -f

sama dengan dalam /etc/hostname. Kemudian taip
/bin/hostname -F /etc/hostname

Juga pastikan tetapan /etc/hosts adalah betul
Jika FQDN anda adalah server1.office.int

127.0.1.1 server1.office.int server1

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Jika anda menggunakan arahan:
sudo umount /media/cdrom0/

dan outputnya seperti berikut:

umount: /media/cdrom0: device is busy
umount: /media/cdrom0: device is busy

cuba
sudo umount -l /media/cdrom0/

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Setelah mengikuti langkah-langkah pemasangannya dari http://nwn.bioware.com/forums/viewtopic.html?topic=656261&forum=72
tiba-tiba saya ditujahi oleh mesej-mesej seperti berikut semasa memulakan aplikasi:

Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0xb7994787]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_unlock+0×31) [0xb7994851]
#2 /usr/lib/libX11.so.6(_XReply+0×254) [0xb79dec44]
#3 ./lib/libSDL-1.2.so.0(SDL_XF86VidModeQueryVersion+0x8d) [0xb7d2853d]
#4 ./lib/libSDL-1.2.so.0(X11_GetVideoModes+0×164) [0xb7d2378c]
#5 ./lib/libSDL-1.2.so.0 [0xb7d25457]
#6 ./lib/libSDL-1.2.so.0(SDL_VideoInit+0x2b2) [0xb7d1af66]
#7 ./lib/libSDL-1.2.so.0(SDL_InitSubSystem+0x4a) [0xb7cfd7de]
#8 ./lib/libSDL-1.2.so.0(SDL_Init+0×24) [0xb7cfd8dc]
#9 ./nwmain(SDL_SetVideoMode+0×293) [0x804f98b]
#10 /lib/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7bad455]
#11 ./nwmain(AIL_WAV_info+0×39) [0x804f851]
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0xb7994787]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_lock+0x2e) [0xb799492e]
#2 /usr/lib/libX11.so.6 [0xb79ddde9]
#3 /usr/lib/libX11.so.6(XMatchVisualInfo+0×40) [0xb79d4020]
#4 ./lib/libSDL-1.2.so.0 [0xb7d2351a]
#5 ./lib/libSDL-1.2.so.0(X11_GetVideoModes+0×408) [0xb7d23a30]
#6 ./lib/libSDL-1.2.so.0 [0xb7d25457]
#7 ./lib/libSDL-1.2.so.0(SDL_VideoInit+0x2b2) [0xb7d1af66]
#8 ./lib/libSDL-1.2.so.0(SDL_InitSubSystem+0x4a) [0xb7cfd7de]
#9 ./lib/libSDL-1.2.so.0(SDL_Init+0×24) [0xb7cfd8dc]
#10 ./nwmain(SDL_SetVideoMode+0×293) [0x804f98b]
#11 /lib/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7bad455]
#12 ./nwmain(AIL_WAV_info+0×39) [0x804f851]
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0xb7994787]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_unlock+0×31) [0xb7994851]
#2 /usr/lib/libX11.so.6(_XReply+0×254) [0xb79dec44]
#3 ./lib/libSDL-1.2.so.0(SDL_XineramaIsActive+0×76) [0xb7d2eb1a]
#4 ./lib/libSDL-1.2.so.0(X11_GetVideoModes+0×673) [0xb7d23c9b]
#5 ./lib/libSDL-1.2.so.0 [0xb7d25457]
#6 ./lib/libSDL-1.2.so.0(SDL_VideoInit+0x2b2) [0xb7d1af66]
#7 ./lib/libSDL-1.2.so.0(SDL_InitSubSystem+0x4a) [0xb7cfd7de]
#8 ./lib/libSDL-1.2.so.0(SDL_Init+0×24) [0xb7cfd8dc]
#9 ./nwmain(SDL_SetVideoMode+0×293) [0x804f98b]
#10 /lib/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7bad455]
#11 ./nwmain(AIL_WAV_info+0×39) [0x804f851]
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0xb7994787]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_lock+0x2e) [0xb799492e]
#2 /usr/lib/libX11.so.6 [0xb79ddde9]
#3 /usr/lib/libX11.so.6(XCreateColormap+0×26) [0xb79b30f6]
#4 ./lib/libSDL-1.2.so.0 [0xb7d25584]
#5 ./lib/libSDL-1.2.so.0(SDL_VideoInit+0x2b2) [0xb7d1af66]
#6 ./lib/libSDL-1.2.so.0(SDL_InitSubSystem+0x4a) [0xb7cfd7de]
#7 ./lib/libSDL-1.2.so.0(SDL_Init+0×24) [0xb7cfd8dc]
#8 ./nwmain(SDL_SetVideoMode+0×293) [0x804f98b]
#9 /lib/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7bad455]
#10 ./nwmain(AIL_WAV_info+0×39) [0x804f851]
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0xb7994787]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_unlock+0×31) [0xb7994851]
#2 /usr/lib/libX11.so.6(_XReply+0×254) [0xb79dec44]
#3 ./lib/libSDL-1.2.so.0(SDL_XF86VidModeGetGamma+0x9a) [0xb7d2880e]
#4 ./lib/libSDL-1.2.so.0 [0xb7d21a89]
#5 ./lib/libSDL-1.2.so.0(X11_SaveVidModeGamma+0×36) [0xb7d21b3a]
#6 ./lib/libSDL-1.2.so.0 [0xb7d2560f]
#7 ./lib/libSDL-1.2.so.0(SDL_VideoInit+0x2b2) [0xb7d1af66]
#8 ./lib/libSDL-1.2.so.0(SDL_InitSubSystem+0x4a) [0xb7cfd7de]
#9 ./lib/libSDL-1.2.so.0(SDL_Init+0×24) [0xb7cfd8dc]
#10 ./nwmain(SDL_SetVideoMode+0×293) [0x804f98b]
#11 /lib/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7bad455]
#12 ./nwmain(AIL_WAV_info+0×39) [0x804f851]
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0xb7994787]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_lock+0x2e) [0xb799492e]
#2 /usr/lib/libX11.so.6 [0xb79ddde9]
#3 /usr/lib/libX11.so.6(XCreateWindow+0×26) [0xb79d46b6]
#4 ./lib/libSDL-1.2.so.0 [0xb7d24ff3]
#5 ./lib/libSDL-1.2.so.0 [0xb7d25635]
#6 ./lib/libSDL-1.2.so.0(SDL_VideoInit+0x2b2) [0xb7d1af66]
#7 ./lib/libSDL-1.2.so.0(SDL_InitSubSystem+0x4a) [0xb7cfd7de]
#8 ./lib/libSDL-1.2.so.0(SDL_Init+0×24) [0xb7cfd8dc]
#9 ./nwmain(SDL_SetVideoMode+0×293) [0x804f98b]
#10 /lib/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7bad455]
#11 ./nwmain(AIL_WAV_info+0×39) [0x804f851]
Fatal signal: Segmentation Fault (SDL Parachute Deployed)

Penyelesaiannya, saya gunakan SDL pada sistem saya, bukannya yang dibekalkan oleh pemasang aplikasi. Caranya adalah dengan membuang ./lib: pada baris ke-10 fail skrip nwn

Penyelesaian ini saya temui pada http://nwn.bioware.com/forums/viewtopic.html?topic=347606&forum=72

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