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init_Debian.sh
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init_Debian.sh
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#!/bin/bash
# Author: yeho <lj2007331 AT gmail.com>
# Blog: http://blog.linuxeye.com
for Package in apache2 apache2-doc apache2-utils apache2.2-common apache2.2-bin apache2-mpm-prefork apache2-doc apache2-mpm-worker mysql-client mysql-server mysql-common php5 php5-common php5-cgi php5-mysql php5-curl php5-gd libmysql* mysql-*
do
apt-get -y remove $Package
done
dpkg -l | grep ^rc | awk '{print $2}' | xargs dpkg -P
apt-get -y update
# check upgrade OS
[ "$upgrade_yn" == 'y' ] && apt-get -y upgrade
# Install needed packages
for Package in gcc g++ make autoconf libjpeg8 libjpeg8-dev libpng12-0 libpng12-dev libpng3 libfreetype6 libfreetype6-dev libxml2 libxml2-dev zlib1g zlib1g-dev libc6 libc6-dev libglib2.0-0 libglib2.0-dev bzip2 libzip-dev libbz2-1.0 libncurses5 libncurses5-dev curl libcurl3 libcurl4-openssl-dev e2fsprogs libkrb5-3 libkrb5-dev libltdl-dev libidn11 libidn11-dev openssl libtool libevent-dev bison libsasl2-dev libxslt1-dev locales libcloog-ppl0 patch vim zip unzip tmux htop wget bc expect rsync
do
apt-get -y install $Package
done
# PS1
[ -z "`cat ~/.bashrc | grep ^PS1`" ] && echo "PS1='\${debian_chroot:+(\$debian_chroot)}\\[\\e[1;32m\\]\\u@\\h\\[\\033[00m\\]:\\[\\033[01;34m\\]\\w\\[\\033[00m\\]\\$ '" >> ~/.bashrc
# history size
[ -z "`cat ~/.bashrc | grep ^HISTSIZE`" ] && echo 'HISTSIZE=100' >> ~/.bashrc
[ -z "`cat ~/.bashrc | grep history-timestamp`" ] && echo "export PROMPT_COMMAND='{ msg=\$(history 1 | { read x y; echo \$y; });user=\$(whoami); echo \$(date \"+%Y-%m-%d %H:%M:%S\"):\$user:\`pwd\`/:\$msg ---- \$(who am i); } >> /tmp/\`hostname\`.\`whoami\`.history-timestamp'" >> ~/.bashrc
# /etc/security/limits.conf
[ -z "`cat /etc/security/limits.conf | grep 'nproc 65535'`" ] && cat >> /etc/security/limits.conf <<EOF
* soft nproc 65535
* hard nproc 65535
* soft nofile 65535
* hard nofile 65535
EOF
[ -z "`cat /etc/rc.local | grep 'ulimit -SH 65535'`" ] && echo "ulimit -SH 65535" >> /etc/rc.local
# /etc/hosts
[ "$(hostname -i | awk '{print $1}')" != "127.0.0.1" ] && sed -i "s@^127.0.0.1\(.*\)@127.0.0.1 `hostname` \1@" /etc/hosts
# Set timezone
rm -rf /etc/localtime
ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
# Set DNS
#cat > /etc/resolv.conf << EOF
#nameserver 114.114.114.114
#nameserver 8.8.8.8
#EOF
# alias vi
[ -z "`cat ~/.bashrc | grep 'alias vi='`" ] && sed -i "s@^alias l=\(.*\)@alias l=\1\nalias vi='vim'@" ~/.bashrc
[ -z "`cat /etc/vim/vimrc | grep 'syntax on'`" ] && echo 'syntax on' >> /etc/vim/vimrc
sed -i 's@^# export LS_OPTIONS@export LS_OPTIONS@' ~/.bashrc
sed -i 's@^# alias@alias@g' ~/.bashrc
# /etc/sysctl.conf
[ -z "`cat /etc/sysctl.conf | grep 'fs.file-max'`" ] && cat >> /etc/sysctl.conf << EOF
fs.file-max=65535
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.tcp_max_syn_backlog = 262144
net.ipv4.tcp_max_tw_buckets = 6000
net.ipv4.route.gc_timeout = 100
net.ipv4.tcp_syn_retries = 1
net.ipv4.tcp_synack_retries = 1
net.core.somaxconn = 65535
net.core.netdev_max_backlog = 262144
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_max_orphans = 262144
EOF
sysctl -p
sed -i 's@^ACTIVE_CONSOLES.*@ACTIVE_CONSOLES="/dev/tty[1-2]"@' /etc/default/console-setup
sed -i 's@^3:23:respawn@#3:23:respawn@' /etc/inittab
sed -i 's@^4:23:respawn@#4:23:respawn@' /etc/inittab
sed -i 's@^5:23:respawn@#5:23:respawn@' /etc/inittab
sed -i 's@^6:23:respawn@#6:23:respawn@' /etc/inittab
sed -i "s@^ctrlaltdel@#ctrlaltdel@" /etc/inittab
sed -i 's@^# en_US.UTF-8@en_US.UTF-8@' /etc/locale.gen
init q
# Update time
ntpdate pool.ntp.org
echo "*/20 * * * * `which ntpdate` pool.ntp.org > /dev/null 2>&1" >> /var/spool/cron/crontabs/root;chmod 600 /var/spool/cron/crontabs/root
service cron restart
# iptables
cat > /etc/iptables.up.rules << EOF
# Firewall configuration written by system-config-securitylevel
# Manual customization of this file is not recommended.
*filter
:INPUT DROP [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:syn-flood - [0:0]
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT
-A INPUT -p icmp -m limit --limit 100/sec --limit-burst 100 -j ACCEPT
-A INPUT -p icmp -m limit --limit 1/s --limit-burst 10 -j ACCEPT
-A INPUT -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j syn-flood
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A syn-flood -p tcp -m limit --limit 3/sec --limit-burst 6 -j RETURN
-A syn-flood -j REJECT --reject-with icmp-port-unreachable
COMMIT
EOF
iptables-restore < /etc/iptables.up.rules
echo 'pre-up iptables-restore < /etc/iptables.up.rules' >> /etc/network/interfaces
. ~/.bashrc