Category LINUX

How to use Linux server with TCP BBR

Requirements kernel version 4.9 or higher.

List all available tcp_congestion_control

user="thirty" computer="fedora"]
$ grep TCP_CONG /boot/config-$(uname -r)
CONFIG_TCP_CONG_ADVANCED=y
CONFIG_TCP_CONG_BIC=m
CONFIG_TCP_CONG_CUBIC=y
CONFIG_TCP_CONG_WESTWOOD=m
CONFIG_TCP_CONG_HTCP=m
CONFIG_TCP_CONG_HSTCP=m
CONFIG_TCP_CONG_HYBLA=m
CONFIG_TCP_CONG_VEGAS=m
CONFIG_TCP_CONG_NV=m
CONFIG_TCP_CONG_SCALABLE=m
CONFIG_TCP_CONG_LP=m
CONFIG_TCP_CONG_VENO=m
CONFIG_TCP_CONG_YEAH=m
CONFIG_TCP_CONG_ILLINOIS=m
CONFIG_TCP_CONG_DCTCP=m
CONFIG_TCP_CONG_CDG=m
CONFIG_TCP_CONG_BBR=m
CONFIG_DEFAULT_TCP_CONG="cubic"

Add the options below at the end of the file.

nano /etc/sysctl.conf

net.core.default_qdisc = fq
net.ipv4.tcp_congestion_control = bbr
net.ipv4.tcp_fin_timeout = 10

Save...

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HOWTO USE ETHERAPE ON DEBIAN 9

MONITOR YOUR NETWORK WITH EtherApe

EtherApe


stretch@debian$ sudo apt-get install

MISSING PACKAGE


stretch@debian$ sudo apt-get install libcanberra-gtk-module

START WITHOUT ERROR MESSAGE


stretch@debian$ sudo etherape

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DEBIAN 9.9 – APACHE – SSL – BROTLI – HTTP2

Install the Apache Web Server on Debian

DEFRAG and TRIM
sudo e4defrag /
fstrim -v -a

DEBIAN PERFORMANCE TUNING

Sample

nano ...

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