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sysctl.conf updated

This commit is contained in:
Kolan Sh 2013-09-03 16:15:31 +04:00
parent a0dbfb58a7
commit 5368fa6482
1 changed files with 42 additions and 34 deletions
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76
sysctl.conf
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@ -1,38 +1,46 @@
#fs.nfs.nlm_tcpport = 0
#fs.nfs.nlm_udpport = 0
#kernel.panic = 3
#kernel.pid_max = 999999
kernel.shmmax = 2147483647
#kernel.sysrq = 0
net.bridge.bridge-nf-call-arptables = 0
net.bridge.bridge-nf-call-ip6tables = 0
net.bridge.bridge-nf-call-iptables = 0
net.bridge.bridge-nf-filter-vlan-tagged = 0
#net.ipv4.conf.all.accept_redirects = 0
#net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.all.rp_filter = 1
#net.ipv4.conf.all.secure_redirects = 0
#net.ipv4.conf.default.accept_redirects = 0
#net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.default.rp_filter = 1
#net.ipv4.conf.default.secure_redirects = 0
#net.ipv4.icmp_echo_ignore_broadcasts = 1
#net.ipv4.ip_dynaddr = 0
net.ipv4.ip_forward = 1
#net.ipv4.tcp_ecn = 0
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_keepalive_time = 1800
net.ipv4.tcp_sack = 0
#net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_window_scaling = 0
vm.dirty_writeback_centisecs=6000
vm.laptop_mode=5
vm.swappiness = 10
### --- OPTIMIZATION --- ###
# swap usage (default = 60)
vm.swappiness = 5
# (default = 100)
vm.vfs_cache_pressure = 1000
# http://www.linux.org.ru/wiki/en/User:shimon/12309
# reduce memory size allowed to process (default = 0 )
vm.overcommit_memory = 2
vm.overcommit_ratio = 70
# memory allowed to process: total_swap + total_ram * overcommit_ratio / 100 (default = 50 )
vm.overcommit_ratio = 50
# disk buffer size (default = 0 )
vm.dirty_bytes = 1048576
# disk buffer size (default = 0 )
vm.dirty_background_bytes = 1048576
vm.dirty_background_ratio = 10
vm.dirty_ratio = 40
# (default = 40)
vm.dirty_ratio = 20
# (default = 10)
vm.dirty_background_ratio = 5
# -- more 12309 tricks --
# (default = 3000)
vm.dirty_expire_centisecs = 1000
# (default = 500)
vm.dirty_writeback_centisecs = 200
### ----- SECURITY ----- ###
# enable ip forwarding (default = 0)
net.ipv4.ip_forward = 0
# enable filtering by source IP address (default = 0)
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.default.rp_filter = 1
# accept ICMP-messages for routes (default = 1)
net.ipv4.conf.default.accept_redirects = 0
# enable secure redirects (default = 1)
net.ipv4.conf.all.secure_redirects = 1
# allow sender to define route (default = 0)
net.ipv4.conf.default.accept_source_route = 0
### ------ OTHER ------- ###
# reboot on kernel panic, seconds (default = 0)
kernel.panic = 5
# several multimedia apps require this option
kernel.shmmax = 2147483647
# laptop mode (default = 5)
vm.laptop_mode=5