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@singam96
singam96 / do.sh
Created April 11, 2021 07:50 — forked from jivkokgist/do.sh
Generate self-signed SSL certificate
# Generate a private key
openssl genrsa -des3 -out server.key.org 1024
# Generate a CSR: Certificate Signing Request
openssl req -new -key server.key.org -out server.csr
# Remove password from key
openssl rsa -in server.key.org -out server.key
# Generate a self-signed certificate
@singam96
singam96 / network-tweak.md
Created April 12, 2021 18:00 — forked from mustafaturan/network-tweak.md
Linux Network Tweak for 2 million web socket connections

Sample config for 2 million web socket connection

    sysctl -w fs.file-max=12000500
    sysctl -w fs.nr_open=20000500
    # Set the maximum number of open file descriptors
    ulimit -n 20000000

    # Set the memory size for TCP with minimum, default and maximum thresholds 
 sysctl -w net.ipv4.tcp_mem='10000000 10000000 10000000'