Linux实战 | 易学教程

Linux基础与基本配置

常用指令

cd /etc:进入目录，ll:显示目录详细列表，ls:显示目录所有文件和子目录，pwd:显示当前目录路径，date:修改日期时间，top:看CPU情况，mkdir:创建目录，vi index.html创建/修改文件，cat index.html查看文件，tail –n 10 index.html:查看文件最后10行，yum –y install php:安装php, yum –y remove php:卸载PHP，find / -name index.html:名字查找文件，whereis php。

echo “” > filename

/usr/local/nginx/sbin/nginx -s reload

systemctl stop php-fpm.service

/etc/init.d/php-fpm restart

service firewalld stop //关闭Centos 7防火墙

dstat -nt //查看网络

netstat -an |grep ^tcp.*:80|egrep -v 'LISTEN|127.0.0.1'|awk -F"[ ]+|[:]" '{print $6}'|sort|uniq -c|sort -rn|awk '{if ($1>20){print $2}}' 查服务器单IP并发

netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'

查服务器并发

cat /proc/cpuinfo |grep "cores"|uniq #查看CPU多少核

cat /proc/cpuinfo |grep MHz|uniq #查看CPU频率

ps -ef | grep sersync2 #查看进程

tail -n 20 /var/log/php-fpm/www-error.log #查看PHP报错

chmod -R 777 /trunk #改权限

chown root root /trunk

cat /etc/redhat-release #查看OS版本

arch #查看OS多少位

tar -zxvf nginx-1.8.0.tar.gz #tar解压

du -h --max-depth=1 /alidata/cache #查看文件夹大小

rpm -qa | grep -i mysql #查看软件的版本

ab -c 1000 -n 100 http://test65.suofeiya.com.cn/index.php

ipconfig /flushdns #刷新DNS

find /www -name "*.log" | xargs greg "卡券插件命中结束"

ps aux | grep rsync | grep -v grep | cut -c 9-15 | xargs kill -s 9 杀死进程

date -s 12:49:00

如果YUM被锁住，可以使用rm -rf /var/run/yum.pid

zip -r mydata.zip mydataunzip wwwroot.zip

大部分用VMWare安装，度娘一堆教程。
安装时候，把FTP也一起装上。
VMWare IP地址配置成可用的网段。
一定要设置setenforce 0 #不设置的话，会有各种杯具。

当出现setenforce: SELinux is disabled

vi /etc/selinux/config

把SELINUX=disabled改成SELINUX=enforcing

如果需要不重启SELINUX生效的方法:

/etc/init.d/network restart

如果是RedHat，配置YUM。

检查是否安装了YUM：

rpm-qa|grep yum

删除yum包

rpm -qa|grep yum|xargs rpm -e --nodeps

再次确认：rpm–qa|grep yum

下载新的yum包。使用Centos6.5的yum包

1）查看版本号和系统类别：

cat /etc/redhat-release

arch

2）根据上一步，找到对应的yum包，然后下载。我的服务器对应的为：

wget http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-metadata-parser-1.1.2-16.el6.x86_64.rpm

wget http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-3.2.29-69.el6.centos.noarch.rpm

wgethttp://mirrors.163.com/centos/6/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.30-30.el6.noarch.rpm

安装

rpm -ivhyum-metadata-parser-1.1.2-16.el6.x86_64.rpm yum-3.2.29-69.el6.centos.noarch.rpm yum-plugin-fastestmirror-1.1.30-30.el6.noarch.rpm

如果出错，证明

更换yum源，将原有源删除或备份到别的目下：

cd /etc/yum.repos.d/

wget http://mirrors.163.com/.help/CentOS6-Base-163.repo

vi CentOS6-Base-163.repo

编辑文件，把文件里面的$releasever全部替换为版本号：6（注意，不是6.5！）最后保存！

清除原有缓存，重建缓存，更新系统：

clean all

yum makecache

yum update

Nginx安装配置

systemctl enable httpd ####开启apache

安装

cd /usr/src

#下载lnmp

wget http://nginx.org/download/nginx-1.8.0.tar.gz

chmod +x nginx-1.8.0.tar.gz

tar -zxvf nginx-1.8.0.tar.gz

#安装必备工具

rpm -qa | grep -i nginx

yum -y install zlib-devel pcre-devel openssl-devel

#安装nginx

cd nginx-1.8.0

./configure --prefix=/usr/local/nginx --with-openssl=/usr/include/openssl --with-pcre --with-http_stub_status_module

make

make install

cd /usr/local/nginx/ #安装成功

sbin/nginx -c /usr/local/nginx/conf/nginx.conf #设置配置文件路径

/usr/local/nginx/sbin/nginx -s reload #启动nginx

netstat -ntlp #看看nginx是否已经用上80

分发配置

vi nginx.conf

#user nobody;

worker_processes 4;

#error_log logs/error.log;

#error_log logs/error.log notice;

#error_log logs/error.log info;

#pid logs/nginx.pid;

events {

worker_connections 10240;

}

http {

include mime.types;

default_type application/octet-stream;

#access_log logs/access.log main;

sendfile on;

#tcp_nopush on;

#keepalive_timeout 0;

keepalive_timeout 65;

gzip on;

gzip_disable "MSIE [1-6]\.";

gzip_proxied any;

gzip_comp_level 5;

gzip_buffers 16 8k;

gzip_min_length 1k;

gzip_vary on;

gzip_types text/plain text/css image/gif image/jpeg image/png application/json application/x-javascript text/xml application

/xml application/xml+rss text/javascript;

fastcgi_connect_timeout 300s;

fastcgi_send_timeout 300s;

fastcgi_read_timeout 300s;

fastcgi_buffer_size 128k;

fastcgi_buffers 8 128k;#8 128

fastcgi_busy_buffers_size 256k;

fastcgi_temp_file_write_size 256k;

fastcgi_intercept_errors on;

client_max_body_size 20M;

upstream backend {

ip_hash;

server 10.10.10.210:80;

server 10.10.10.211:80;

}

include conf.d/*.conf;

}

编辑conf.d/ wx.suofeiya.com.cn.conf;

server {

listen 80;

server_name wx.suofeiya.com.cn;

location / {

proxy_set_header Host $host;

proxy_set_header X-Real-IP $remote_addr;

proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

proxy_buffering off;

proxy_pass http://backend;

}

编辑conf.d/tb.suofeiya.com.cn.conf;

upstream tb_site {

server 192.168.2.123;

}

server {

listen 80;

server_name tb.suofeiya.com.cn;

location / {

proxy_set_header Host $host;

proxy_set_header X-Real-IP $remote_addr;

proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

proxy_buffering off;

proxy_pass http://tb_site;

}

节点配置

server {

listen 80;

server_name wx.suofeiya.com.cn;

location / {

root /www/wechat/app/www;

index index.php index.html index.htm;

}

error_page 500 502 503 504 /50x.html;

location = /50x.html {

root html;

}

location ~ \.php$ {

#root html;

fastcgi_pass 127.0.0.1:9000;

fastcgi_index index.php;

fastcgi_param SCRIPT_FILENAME /www/wechat/app/www$fastcgi_script_name;

include fastcgi_params;

}

启动

# /usr/local/nginx/sbin/nginx -s reload

# vi /etc/rc.local

/usr/local/nginx/sbin/nginx

防火墙

yum install -y iptables

yum install iptables-services

-A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT

-A INPUT -s 10.10.10.0/24 -m state --state NEW -m tcp -p tcp --dport 6379 -j ACCEPT

要封停一个IP，使用下面这条命令：

iptables -I INPUT -s ***.***.***.*** -j DROP

要解封一个IP，使用下面这条命令：

iptables -D INPUT -s ***.***.***.*** -j DROP

伪静态

location / {

root /www;

index index.php index.html index.htm;

rewrite "^/index\.html" /index.php last;

rewrite "^/search\.html$" /search.php last;

rewrite "^/channel_space\.html$" /channel_space.php last;

rewrite "^/channel_style\.html$" /channel_style.php last;

rewrite "^/channel_action\.html$" /channel_action.php last;

rewrite "^/wiki_channel\.html$" /wiki_channel.php last;

rewrite "^/dealer\.html$" /dealer.php last;

rewrite "^/bespoke\.html$" /bespoke.php last;

rewrite "^/budget\.html$" /budget.php last;

rewrite "^/baoming\.html$" /baoming.php last;

缓存

缓存插件安装

当安装完nginx，缺忘记安装Ngx_cache怎么办呢？

Cd /usr/src

wgethttp://labs.frickle.com/files/ngx_cache_purge-2.3.tar.gz

tar–zxvfngx_cache_purge-2.3.tar.gz

chmod–R 777 ngx_cache_purge-2.3

cdnginx-1.8.0

./configure --add-module=../ngx_cache_purge-2.3 --prefix=/usr/local/nginx --with-openssl=/usr/include/openssl --with-pcre --with-http_stub_status_module

Make

备份/usr/local/nginx/sbin/nginx

把objs/nginx复制过去

重启nginx

/usr/local/nginx/sbin/nginx –V

缓存配置

use epoll;

worker_connections 30720;

gzip_disable "MSIE [1-6]\.";

gzip_proxied any;

gzip_comp_level 5;

gzip_buffers 16 8k;

gzip_min_length 1k;

gzip_vary on;

gzip_types text/plain text/css image/gif image/jpeg image/png application/json application/x-javascript text/xml application

/xml application/xml+rss text/javascript;

proxy_connect_timeout 5;

proxy_read_timeout 60;

proxy_send_timeout 5;

proxy_buffer_size 16k;

proxy_buffers 4 64k;

proxy_busy_buffers_size 128k;

proxy_temp_file_write_size 128k;

proxy_temp_path /usr/local/cache/img_temp;

proxy_cache_path /dev/shm/tmp levels=1:2 keys_zone=pic_cache:500m inactive=1d max_size=10g;

include conf.d/*.conf;

server {

listen 8082;

server_name localhost;

access_log logs/pic.log;

location / {

proxy_cache pic_cache;

proxy_cache_valid 200 304 2h;

proxy_cache_key $host$uri$is_args$args;

proxy_set_header Host $host;

proxy_set_header X-Forwarded-For $remote_addr;

proxy_pass http://127.0.0.1:8083;

expires 1d;

}

location ~ /purge(/.*) {

allow 127.0.0.1;

deny all;

proxy_cache_purge pic_cache $host$1$is_args$args;

}

error_page 500 502 503 504 /50x.html;

}

server {

listen 8083;

server_name localhost;

root /usr/local/cache/img_s;

location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|ico)$ {

expires 1d;

access_log logs/8083pic.log;

}

#mkdir /dev/shm/tmp

#chmod 1777 /dev/shm/tmp

#mount --bind /dev/shm/tmp /alidata/cache/img_cache

安装PHP

增加额外资源库

默认情况下，CentOS的官方资源是没有php-fpm的, 但我们可以从Remi的RPM资源中获得，它依赖于EPEL资源。

# yum install yum-priorities -y

# rpm -Uvh http://baseurl.opencas.cn/epel/6/x86_64/epel-release-6-8.noarch.rpm

# rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm

yum -y remove mysql-libs*

rpm -qa | grep –i php

安装 PHP-FPM

# yum --enablerepo=remi install php php-fpm

#chkconfig --level 345 php-fpm on #开机自动启动

安装PHP插件

# yum --enablerepo=remi install php-gd php-mysql php-mbstring php-xml php-mcrypt php-redis php-soap

启动PHP

# /etc/init.d/php-fpm restart

#systemctl stop php-fpm.service

# setsebool httpd_can_network_connect 1

# vi /etc/rc.local #把/etc/init.d/php-fpm restart加进去

修改PHP.INI的配置，可以参考图库项目的配置

Redis

安装

wget http://download.redis.io/releases/redis-3.0.4.tar.gz

tar -zxvf redis-3.0.4.tar.gz

cd redis-3.0.4

make

make install

redis-server &#开启

#关连接，重新登录服务器

redis-cli

set xx 123

get xx

配置

防火墙：-A INPUT -s 10.10.10.0/24 -m state --state NEW -m tcp -p tcp --dport 6379 -j ACCEPT

开机启动

# Vi /etc/rc.local

redis-server&

Rsync服务端

rsync 启动

#vi /etc/xinetd.d/rsync

把原来的YES改成NO

service rsync

{

disable = no

socket_type = stream

wait = no

user = root

server = /usr/bin/rsync

server_args = --daemon

log_on_failure += USERID

}

随系统启动RSYNC

#chkconfig rsync on

Rsync配置

# vi /etc/rsyncd.conf

# Minimal configuration file for rsync daemon

# See rsync(1) and rsyncd.conf(5) man pages for help

# This line is required by the /etc/init.d/rsyncd script

pid file = /var/run/rsyncd.pid

port = 873

address = 10.10.10.211 #本机IP

uid = root

gid = root

use chroot = yes

read only = yes

#limit access to private LANs

hosts allow=192.168.5.0/255.255.255.0(如果是指定几台机器，用逗号分开，或者*)

hosts deny=*

max connections = 50

#motd file = /etc/rsyncd/rsyncd.motd

#This will give you a separate log file #log file = /var/log/rsync.log

#This will log every file transferred - up to 85,000+ per user, per sync

#transfer logging = yes

log format = %t %a %m %f %b

syslog facility = local3

timeout = 300

[website]

path = /usr/website/

list=yes

read only = no

ignore errors

auth users = nobody

secrets file = /etc/rsync/rsyncd.secrets

comment = linuxsir home

#exclude = beinan/ samba/

密码文件

# vi /etc/rsync/rsyncd.secrets

nobody:002285kss

启动xinetd

# service xinetd restart

启动rsync

# sudo /usr/bin/rsync --daemon --config=/etc/rsync/rsyncd.conf

建立快捷方式：

# ln -s /etc/rsync/rsyncd.conf /etc/rsyncd.conf

# service xinetd reload

#vi /etc/rc.local

/usr/bin/rsync –daemon --config=/etc/rsync/rsyncd.conf

#netstat -a | grep rsync

tcp 0 0 0.0.0.0:873 0.0.0.0:* LISTEN

Rsync客户端

安装

# mkdir /etc/rsync

# vi /etc/rsync/rsyncd.secrets

002285kss

# chown root.root rsyncd.secrets

# chmod 700 rsyncd.secrets

# /usr/bin/rsync -artuz --progress --delete nobody@10.10.10.210::website /usr/local/nginx/html --password-file=/etc/rsync/rsyncd.secrets

# vi /etc/rsync/time.sh

#!/bin/bash

/usr/bin/rsync -artuz --progress --delete nobody@10.10.10.210::website /www --password-file=/etc/rsync/rsyncd.secrets

# chmod +x /etc/rsync/time.sh

# crontab -e

3 * * * * /etc/rsync/time.sh

测试

# rsync --list-only nobody@10.10.10.210::

下载文件：

# /usr/bin/rsync -artuz --progress --delete nobody@10.10.10.210::website /usr/local/nginx/html --password-file=/etc/rsync/rsyncd.secrets

上传文件：

# /usr/bin/rsync -artuz --progress --exclude='.svn/'--password-file=/usr/local/sersync/rsyncd.passwd /alidata/www/www.suofeiya.com.cn/ nobody@120.26.85.64::website

Sersync

安装

sersync2.5_64bit_binary_stable_final.tar.gz，解压到/usr/local/sersync/

# cd/usr/local/sersync/

建立密码文件/usr/local/sersync/rsyncd.passwd 写入与服务器A上rsync配置的用户一样的密码。

# vi confxml.xml

<?xml version="1.0" encoding="ISO-8859-1"?>

<filter start="false"> /*过滤不需要同步的文件或目录*/

</filter>

</inotify>

<localpath watch="/usr/website/">/*本地监视目录*/

<remote ip="192.168.5.168" name="website"/>/*远程IP*/

</localpath>

<rsync>

<commonParams params="-artuz"/>/*rsync命令*/

<auth start="true" users="nobody" passwordfile="/usr/task/shell/rsyncd.passwd"/>/*密码文件*/

</rsync>

</crontabfilter>

</crontab>

</sersync>

</filter>

</plugin>

</localpath>

</plugin>

</localpath>

</plugin>

</head>

启动sersync

# /usr/local/sersync/sersync2 -r -d -o /usr/local/sersync/confxml.xml

查看进程

# psaux | grep sersync2

杀死进程

# kill -9 11374

查看进程状态

# ps aux |grep 'sersync2'

开机启动

# vi /etc/rc.local

/usr/local/sersync/sersync2 -r -d -o /usr/local/sersync/confxml.xml

监视

# vi /var/script/check_sersync.sh

#!/bin/bash

#Purpose: Check sersync whether it is alive

#Author: Carl Zhang

SERSYNC="/usr/local/sersync/sersync2"

CONF_FILE="/usr/local/sersync/confxml.xml"

STATUS=$(ps aux |grep 'sersync2'|grep -v 'grep'|wc -l)

if [ $STATUS -eq 0 ];

then

$SERSYNC -d -r -o $CONF_FILE &

else

exit 0;

# crontab -e

*/5 * * * * /var/script/check_sersync.sh > /dev/null 2>&1

Mysql

http://blog.csdn.net/liumm0000/article/details/18841197

安装

wget http://mirrors.sohu.com/mysql/MySQL-5.6/mysql-5.6.28-linux-glibc2.5-x86_64.tar.gz

tar zxvf mysql-5.6.28-linux-glibc2.5-x86_64.tar.gz

cp mysql-5.6.28-linux-glibc2.5-x86_64 /usr/local/mysql -r

cd /usr/local/mysql/

########groupadd mysql //创建mysql组

########useradd -g mysql mysql //创建mysql用户添加到mysql组

chown -R mysql:mysql ./

./scripts/mysql_install_db --user=mysql

chown -R root:root ./

chown -R mysql:mysql data

cp support-files/mysql.server /etc/init.d/mysql

service mysql start

mysql

ps -ef|grep mysql

ln -s /usr/local/mysql/bin/mysql /usr/local/bin/mysql

配置

# vi /etc/my.cnf

[client]

port = 3306

socket = /var/lib/mysql/mysql.sock

[mysqld]

port = 3306

socket = /var/lib/mysql/mysql.sock

skip-external-locking

key_buffer_size = 500M

max_allowed_packet = 32M

table_open_cache = 512

sort_buffer_size = 4M

net_buffer_length = 8K

read_buffer_size = 4M

read_rnd_buffer_size = 512K

myisam_sort_buffer_size = 64M

query_cache_size = 1024M

query_cache_type= 1

tmp_table_size = 256M

max_connections = 1000

max_connect_errors = 10000000

wait_timeout = 10

max_binlog_size=1G

log-bin=mysql-bin

binlog_format=mixed

server-id = 1

#skip-grant-tables

[mysqld_safe]

log-error=/var/log/mysqld.log

pid-file=/var/run/mysqld/mysqld.pid

密码修改，防火墙，开机运行

http://blog.csdn.net/liumm0000/article/details/18841197

SET GLOBAL general_log = 'ON';

SET GLOBAL slow_query_log = 'ON';

set global expire_logs_days = 3;

show global variables;

-- 打开sql 执行记录功能

set global log_output='TABLE'; -- 输出到表

set global log=ON; -- 打开所有命令

执行记录功能general_log, 所有语句: 成功和未成功的.

set global log_slow_queries=ON; -- 打开慢查询 sql 记录

slow_log, 执行成功的: 慢查询语句和未使用索引的语句

set global long_query_time=0.1; -- 慢查询时间限制(秒)

set global log_queries_not_using_indexes=ON; -- 记录未使用索引的sql 语句

-- 查询sql 执行记录

select * from mysql.slow_log order by 1; -- 执行成功的：慢查询语句,和未

使用索引的语句

select * from mysql.general_log order by 1; -- 所有语句：成功和未成功的.-- 关闭sql 执行记录

主从

vi /etc/my.cnf

[mysqld]的下面加入下面代码：

log-bin=mysql-bin

server-id=1

innodb_flush_log_at_trx_commit=1

sync_binlog=1

#binlog-do-db=wordpress

#binlog_ignore_db=mysql

$ service mysqld restart

mysql> GRANT REPLICATION SLAVE ON *.* TO 'root'@'10.10.10.213' IDENTIFIED BY '密码';

#防止数据库写入

//mysql>FLUSH TABLES WITH READ LOCK;

#解锁数据表。

//mysql>UNLOCK TABLES;

SHOW MASTER STATUS;

请记下显示的信息，配置从服务器会用到。

+------------------+----------+--------------+------------------+-------------------+

+------------------+----------+--------------+------------------+-------------------+

+------------------+----------+--------------+------------------+-------------------+

vi /etc/my.cnf

server-id=2

slave-skip-errors=all

service mysqld restart

mysql>STOP SLAVE;

mysql>

CHANGE MASTER TO MASTER_HOST='10.10.10.212', MASTER_USER='root', MASTER_PASSWORD='Sogal5911*', MASTER_PORT=3306, MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS=329, MASTER_CONNECT_RETRY=10;

mysql>START SLAVE;

show slave status;

日常维护

--------------备份

/usr/local/mysql/bin/mysqldump -u root -h 127.0.0.1 -p test>/usr/src/bak.sql

/usr/local/mysql/bin/mysqldump -uroot-p suofeiya>/alidata/bak.sql (0a4a25d2eb)

-------------还原

mysql -u root -p sfybbs2015</usr/src/151106091551.sql

mysql -u root -p suofeiya</usr/src/suofeiya.sql

检查锁表： show processlist

数据库引擎：show engines;

打开my.cnf，在[mysqld]最后添加为上default-storage-engine=InnoDB

show variables;

set global slow_query_log=1;

set global long_query_time=4;

http://www.cnblogs.com/Richardzhu/p/3230221.html

硬盘挂载

fdisk -l 看看硬盘情况

fdisk /dev/vxdb ---------把硬盘分区

Commond n----------加分区

mkfs.ext4 /dev/xvdb1 ---格式化xvdb1 是ext4文件类型

mount -t ext4 /dev/xvdb1 /alidata 把xvdb1挂上去/alidata

df -lh #查看分区挂载情况

mount -t nfs 192.168.55.233:/opt/nfs /nfs

启动自动挂载 /etc/fstab

svn checkout https://192.168.2.218:2009/svn/Sogal_EPortal/trunk/www /trunk

svn update

PHP 扩展单独安装(redis)

Mkdir /usr/local/php/ext

Cd /usr/local/php/ext

Wget https://github.com/nicolasff/phpredis/archive/2.2.4.tar.gz

ll phpredis/

cd phpredis/

/alidata/server/php/bin/phpize

./configure --with-php-config=/usr/local/php/bin/php-config

make && make install

vim /usr/local/php/lib/php.ini

extension=/usr/local/php/lib/php/extensions/no-debug-non-zts-20100525/redis.so

Centos 7安装PHP

systemctl enable httpd ####开启apache

yum -y remove mysql-libs*

yum -y install epel-release

#yum -y install php php-fpm

yum -y install php-gd php-mysql php-mbstring php-xml php-mcrypt php-redis php-soap

#/usr/sbin/php-fpm&

查看php-fpm

ps aux | grep php-fpm

php-fpm 关闭：

kill -INT `cat /var/run/php-fpm/php-fpm.pid`

php-fpm 重启：

kill -USR2 `cat /var/run/php-fpm/php-fpm.pid`

修改/etc/php-fpm.conf 的daemonize = yes，让php-fpm可以后台执行

CentOS 7的yum源中貌似没有正常安装mysql时的mysql-sever文件，需要去官网上下载

# wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm

# rpm -ivh mysql-community-release-el7-5.noarch.rpm

# yum install mysql-community-server

成功安装之后重启mysql服务

# service mysqld restart

初次安装mysql是root账户是没有密码的

设置密码的方法

# mysql -uroot

mysql> set password for ‘root’@‘localhost’ = password('mypasswd');

mysql> exit

搞定！

远程监控

nc -w2 10.10.10.210 9000 && echo ok ||echo no

如何把一个shell脚本添加为系统服务，并跟随系统启动

可以看到“/etc/rc.d/init.d”下有很多的文件，每个文件都是可以看到内容的，其实都是一些shell脚本。

系统服务的启动就是通过“/etc/rc.d/init.d”中的脚本文件实现的。我们也可以写一个自己的脚本放在这里。

脚本文件的内容也很简单，类似于这个样子（例如起个名字叫做“hahad”）：

. /etc/init.d/functions

start() {

echo "Starting my process "

cd /opt

./haha.sh

}

stop() {

killall haha.sh

echo "Stoped"

}

写了脚本文件之后事情还没有完，继续完成以下几个步骤：

chmod +x hahad #增加执行权限

chkconfig --add hahad #把hahad添加到系统服务列表

chkconfig hahad on #设定hahad的开关（on/off）

chkconfig --list hahad #就可以看到已经注册了hahad的服务

date +"%Y-%m-%d %H:%M:%S" #查看时间

来源：https://www.cnblogs.com/smallidea/p/11906238.html

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