Get maximum from your network card
edit and copy-paste at the end of the file /etc/sysctl.conf
net.ipv4.tcp_no_metrics_save=1
net.core.rmem_default=65536
net.core.wmem_default=65536
net.core.rmem_max=52428800
net.core.wmem_max=52428800
net.ipv4.tcp_rmem = 8192 750000 52428800
net.ipv4.tcp_wmem = 8192 750000 52428800
net.ipv4.tcp_reordering=20
net.ipv4.tcp_timestamps=1
net.ipv4.tcp_window_scaling=1
net.ipv4.tcp_sack=0
net.ipv4.tcp_moderate_rcvbuf=1
net.ipv4.tcp_congestion_control = cubic
net.ipv4.tcp_adv_win_scale=9
save file, exit and reboot your machine 🙂
p.s. tnx to Popaj
Customize/recompile your kernel
ubuntu geek kick ass! 🙂
iptables – specify range
cool article located here
Force fsck upon boot
sudo touch /forcefsck && sudo reboot
Recover grub
you’ve messed up your grub after installing windows? download and boot auto super grub disk.
simple, fast, great 🙂
Opera on 64-bit machine?
try browsing their ftp server.
resources:
ftp://ftp.opera.com/pub/opera/linux/950b/final/en/x86_64/
http://www.opera.com/support/search/view/842/
mkv to avi?
having problems with playing matroska codec on your dvd/divx player? convert it simply to something readable 🙂
user@machine:~/Videos$ aptitude install ffmpeg libmatroska0 mkvtoolnix mkvtoolnix-gui
user@machine:~/Videos$ mkvmerge -i movie.mkv
File ‘s-300.mkv’: container: Matroska
Track ID 1: video (V_MPEG4/ISO/AVC)
Track ID 2: audio (A_AC3)
user@machine:~/Videos$ mkvextract tracks movie.mkv 1:movie.mpeg4 2:sound.ac3
Then, use k3b to burn extracted files as DVD.
