centos下添加各种应用的自启动

1、编辑rc.local文件
#vi /etc/rc.d/rc.local

2、加入如下启动命令

#
# This script will be executed *after* all the other init scripts.
# You can put your own initialization stuff in here if you don't
# want to do the full Sys V style init stuff.

/usr/local/apache2/bin/apachectl start
/etc/rc.d/init.d/mysqld start
#/usr/local/mysql/bin/mysqld_safe --user=mysql &

export JDK_HOME=/usr/java/jdk1.5.0
export JAVA_HOME=/usr/java/jdk1.5.0
/usr/java/tomcat/bin/startup.sh
/etc/init.d/vsftpd start
/etc/init.d/sendmail start

echo 163840 >/proc/sys/net/ipv4/ip_conntrack_max
echo 180 > /proc/sys/net/ipv4/netfilter/ip_conntrack_tcp_timeout_established
echo 1 > /proc/sys/net/ipv4/tcp_syncookies
echo 120   > /proc/sys/net/ipv4/neigh/default/gc_stale_time
echo 1024 > /proc/sys/net/ipv4/neigh/default/gc_thresh1
echo 4096 > /proc/sys/net/ipv4/neigh/default/gc_thresh2
echo 8192 > /proc/sys/net/ipv4/neigh/default/gc_thresh3