linux shell ½»»»Ê½µÇ¼
ʹÓõĽŲ½ÓÐËĸö£º¡¾backup_unasyn.sh //±¸·ÝËùÒÔÖ´ÐеĽŲ½
host_ip.sh //Ñ»·²¶×½ÎÒ·þÎñÆ÷µÄip½øÐÐ
db_china.sh //·þÎñÆ÷µÄhostsÃû
passwds.sh //µÇ¼·þÎñÆ÷ʹÓõÄÃÜÂë
¡¿
·þÎñÆ÷½á¹¹£º
IP1£º113.11.226.112 IP2:113.11.226.113~116 IP3:113.11.226.118
IP1:Ö´Ðнű¾·þÎñÆ÷¡¾back_unasyn.sh¡¢host_ip.sh¡¢db_china.sh¡¢passwds.sh¡¿
Ip2£ºÒª±¸·ÝµÄ·þÎñÆ÷
IP3£ºÊý¾Ý´æ·Å·þÎñÆ÷
½Å²½Õ¹Ê¾ÈçÏÂËùʾ£º
[root@data ~]# vi passwds.sh
#!/bin/bash
pw1=123456
pw2=654321
============================================
[root@data ~]# vi host_ip.sh
#!/bin/bash
hosts=(
#china
113.11.226.113
113.11.226.114
113.11.226.115
113.11.226.116
)
==================================
[root@data ~]# vi db_china.sh
#!/bin/bash
#get the sh file.
shfile=$1
#set the script file path.
thepath=/root
date=`date +%Y%m%d`
source /root/host_ip.sh
source /root/passwds.sh
#set the update files.
servers=(
china1_db
china2_db //hostÃû³Æ¶ÔÓ¦ip
china3_db
china4_db
)
for i in ${servers[*]}
do
${thepath}/${shfile} ${i} $pw1 $pw2 $date $hosts
done
=====================================
[root@data ~]#vi backup_unasyn.sh
#!/usr/bin/expect
set host &nb
Ïà¹ØÎĵµ£º
дµÃÂùºÃµÄlinuxѧϰ±Ê¼Ç
linuxĿ¼¼Ü¹¹
/ ¸ùĿ¼
/bin ³£ÓõÄÃüÁî binary file µÄÄ¿錄
/boot ´æ·ÅϵͳÆô¶¯Ê±±ØÐë¶ÁÈ¡µÄµµ°¸£¬°üÀ¨ºËÐÄ (kernel) ÔÚÄÚ
/boot/grub/menu.lst GRUBÉèÖÃ
/boot/vmlinuz& ......
²âÊÔϵͳÔÚLinuxÉϵÄÐÔÄÜ·¢ÏÖ¶ª°üÂʼ«ÎªÑÏÖØ£¬·¢210000ÌõÊý¾Ý£¬¶ª°ü´ï110000Ö®¾Þ£¬¶ª°üÂʳ¬¹ý50%¡£Í¬µÈÇéÐÎÏÂWindowsÉϲâÊÔ£¬½ö¶ª¼¸ÌõÊý¾Ý¡£ÐÎÊÆÑϾþ£¬±ØÐë½â¾ö¡£¿¼ÂÇ¿ÉÄÜÊÇÒòΪÐÒéÕ»BufferÌ«µÍËùÖ£¬ÓÚÊÇÏÈ¿´¿´Ä¬ÈÏÇé¿ö£º
sysctl -a |grep net.core
·¢ÏÖ
net.core.rmem_max = 131071
net.core.rmem_default = 11264 ......
linux ¶¨Ê±ÈÎÎñ crontab Ïêϸ½âÊÍ
cron ÊÇlinuxµÄÄÚÖ÷þÎñ£¬µ«Ëü²»×Ô¶¯ÆðÀ´£¬¿ÉÒÔÓÃÒÔÏµķ½·¨Æô¶¯¡¢¹Ø±ÕÕâ¸ö·þÎñ£º
ÒýÓÃ:
/sbin/service crond start //Æô¶¯·þÎñ
/sbin/service crond stop //¹Ø±Õ·þÎñ
/sbin/service crond restart //ÖØÆô·þÎñ
/sbin/service crond reload //Ö ......
ÊäÈëftp ----> open ip adress ----> user & password ----> ²Ù×÷ÃüÁ £¨Á¬½Óµ½ftpÉÏÖ®ºó£¬»áÔÚ±¾µØ×Ô¶¯ÏÂÔØÒ»¸öÁÙʱĿ¼Îļþ£¬ÔÚÕâÀï¿ÉÒÔ´ò¿ª¡¢²é¿´ftpÉϵÄÎļþ£©
FTP> ! ´Ó ftp ×ÓϵͳÍ˳öµ½Íâ¿Ç¡£
FTP> ? ÏÔʾ ftp ÃüÁî˵Ã÷¡£? Óë help Ïàͬ¡£
¸ñʽ£º? [command]
˵Ã÷£º[command]Ö¸¶¨ÐèÒª°ïÖ ......
½ñÌ죬ÎÒÏëÔÚLinuxÏÂÅäÖÃһ̨DHCP·þÎñÆ÷£¬¸Ð¾õÉϱȽÏÖ±¹Û£¬ÄѶÈÉÔ΢Óеã´ó£¨Ïà¶ÔÓÚÔÚwindows¼°Â·ÓÉÆ÷Ï£©¡£
DHCP£¨Dynamic Host Configure Protocol,¶¯Ì¬Ö÷»úÅäÖÃÎļþ£©£¬ÊÇÒ»¸ö¼ò»¯ÊÖ¶¯·ÖÅä¼°¹ÜÀíIPµØÖ·µÄ·³ÄÕ¡£DHCPÊÇ»ùÓÚC/SģʽµÄ¡£
ĬÈÏ£¬ÔÚRHELÉÏûÓа²×°·þÎñÆ÷×é¼þ¡£²é¿´ÊÇ·ñ°²×°µÄÃüÁî
[root@localhost ~]# rpm - ......