| #!/bin/bash |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| set -e |
| |
| |
| |
| # Setup passphraseless ssh |
| test -f ~/.ssh/id_rsa || ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa |
| cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys |
| chmod go-w ~ |
| chmod 0700 ~/.ssh |
| chmod 0600 ~/.ssh/authorized_keys |
| |
| tee -a ~/.ssh/config <<EOF_ssh_config |
| Host * |
| StrictHostKeyChecking no |
| UserKnownHostsFile=/dev/null |
| EOF_ssh_config |
| chmod 600 ~/.ssh/config |
| |
| ssh -v localhost whoami |
| |
| # Configure system kernel state |
| sudo tee /etc/sysctl.conf << EOF_sysctl |
| kernel.shmmax = 1000000000 |
| kernel.shmmni = 4096 |
| kernel.shmall = 4000000000 |
| kernel.sem = 250 512000 100 2048 |
| kernel.sysrq = 1 |
| kernel.core_uses_pid = 1 |
| kernel.msgmnb = 65536 |
| kernel.msgmax = 65536 |
| kernel.msgmni = 2048 |
| net.ipv4.tcp_syncookies = 0 |
| net.ipv4.conf.default.accept_source_route = 0 |
| net.ipv4.tcp_max_syn_backlog = 200000 |
| net.ipv4.conf.all.arp_filter = 1 |
| net.ipv4.ip_local_port_range = 10000 65535 |
| net.core.netdev_max_backlog = 200000 |
| net.netfilter.nf_conntrack_max = 524288 |
| fs.nr_open = 3000000 |
| kernel.threads-max = 798720 |
| kernel.pid_max = 798720 |
| |
| net.core.rmem_max=2097152 |
| net.core.wmem_max=2097152 |
| net.core.somaxconn=4096 |
| EOF_sysctl |
| sudo sysctl -p |
| |
| # Add data folder |
| sudo install -o $USER -d /tmp/db_data/ |
