1 #!/bin/bash
2 echo "* soft nofile 1048576" >> /etc/security/limits.conf
3 echo "* hard nofile 1048576" >> /etc/security/limits.conf
4
5 echo "fs.file-max = 1048576" >> /etc/sysctl.conf
6
7 echo "net.ipv4.ip_local_port_range = 1024 65535" >> /etc/sysctl.conf
8 echo "net.ipv4.tcp_mem = 786432 2097152 3145728" >> /etc/sysctl.conf
9 echo "net.ipv4.tcp_rmem = 4096 4096 16777216" >> /etc/sysctl.conf
10 echo "net.ipv4.tcp_wmem = 4096 4096 16777216" >> /etc/sysctl.conf
11
12 echo "net.ipv4.tcp_tw_recycle = 1" >> /etc/sysctl.conf
13 echo "net.core.somaxconn = 262144" >> /etc/sysctl.conf
14 echo "net.ipv4.tcp_max_syn_backlog = 8192" >> /etc/sysctl.conf
15 echo "net.core.netdev_max_backlog = 65536" >> /etc/sysctl.conf
16
17 echo "net.ipv4.tcp_keepalive_time = 1800" >> /etc/sysctl.conf
18 echo "net.ipv4.tcp_keepalive_probes = 3" >> /etc/sysctl.conf
19 echo "net.ipv4.tcp_keepalive_intvl = 15" >> /etc/sysctl.conf
20
21 sysctl -p
