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>>> Cara Mempercepat Koneksi Internet di Linux Ubuntu / Backtrack

Written By Unknown on Rabu, 02 Oktober 2013 | 01.33

Mungkin bagi sebagian orang merasa kesal apabila sedang berselancar di internet namun koneksinya sangat lambat, malam ini saya ingin berbagi cara mempercepat koneksi internet di linux. cara ini telah dicoba di Backtrack 5 R2 dan cukup terasa perbedaannya, tidak perlu takut untuk mencobanya karena kita bisa mem'backup konfigurasi aslinya apabila dirasa cara ini tidak efektif :)

Oke langsung saja kita mulai, buka konsole dengan menekan CTRL+ALT+T
Pertama kita back-up file aslinya dulu dengan ketik:
root@bt:~#sudo cp /etc/sysctl.conf  /etc/sysctl.conf.backup

jadi setting aslinya terdapat pada  /etc/sysctl.conf. Backup jika suatu saat ingin dikembalikan tinggal dicopy ke directory aslinya.

sekarang ketikkan perintah:
root@bt:~#sudo gedit /etc/sysctl.conf

copy paste kode berikut ini di akhir file yang kita edit:

# increase TCP max buffer size setable using setsockopt()
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
# increase Linux autotuning TCP buffer limits
# min, default, and max number of bytes to use
# set max to at least 4MB, or higher if you use very high BDP paths
net.ipv4.tcp_rmem = 4096 87380 16777216
net.ipv4.tcp_wmem = 4096 65536 16777216
# don't cache ssthresh from previous connection
net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_moderate_rcvbuf = 1
# recommended to increase this for 1000 BT or higher
net.core.netdev_max_backlog = 2500
# for 10 GigE, use this, uncomment below
# net.core.netdev_max_backlog = 30000
# Turn off timestamps if you're on a gigabit or very busy network
# Having it off is one less thing the IP stack needs to work on
#net.ipv4.tcp_timestamps = 0
# disable tcp selective acknowledgements.
net.ipv4.tcp_sack = 0
#enable window scaling
net.ipv4.tcp_window_scaling = 1

Simpan kemudia exit.
Ketikkan perintah berikut untuk apply:
root@bt:~#sudo sysctl -p 

Sekarang coba berinternet dan nikmati perubahannya.
Sekian, semoga bermanfaat ^_^
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