日常使用（做记录，以便查询）： 操作系统篇
1、查询对应目录的大小
du -hs /usr/local
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2、Linux 网卡配置命令
ifconfig eth0 192.168.1.123 netmask 255.255.255.0 getway 192.168.1.1 up
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3、清除日志的命令
echo > listener.log
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4、删除7天以前的"*.dbf"文件
find /usr/local/oracle/backup/ -xdev -mtime +7 -name "*.dbf" |xargs rm -rf
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5、打开端口并查看命令
nc -lp 23 &（打开23端口，即telnet）
netstat -an | grep :23 （查看是否打开23端口）
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6、#openssh安装脚本
#!/bin/bash
/etc/rc.d/init.d/sshd stop
tar xvfz openssh-5.3p1.tar.gz
cd /root/openssh-5.3p1
./configure --prefix=/usr --with-pam --with-md5-passwords --sysconfdir=/etc/ssh
make
make install
/etc/rc.d/init.d/sshd start
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7、当使用df -h时显示乱码时，修改如下文件为如下内容即可
vi /etc/sysconfig/i18n
LANG="zh_CN.GB18030"
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8、怎样更改主机名
第一步：
#hostname oratest
第二步：
修改/etc/sysconfig/network中的hostname
第三步：
修改/etc/hosts文件
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9、查询系统开放的端口和对应进程
Linux:
netstat -anp|grep LISTEN
Windows:
netstat -anbv -p tcp > temp.txt
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10、HP UNIX硬件信息查询
/opt/ignite/bin/print_manifest
ioscan
machinfo
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11、HP UNIX系统参数修改
使用sam命令（System Administartion Manager）
进入Kernal Configuration后进入Tunables修改
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12、Mount参数的使用
Mounting NFS Filesystems handle
mount shadowman.example.com:/misc/export /misc/local
Mounting NFS Filesystems using /etc/fstab
server:/usr/local/pub /pub nfs rsize=8192,wsize=8192,timeo=14,intr
Mounting samba
mount -t smbfs -o username=bcinfo,password=bcinfonet //10.25.59.156/bak /usr/local/bcinfo/ivr_bak
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13、双网卡绑定脚本
#!/bin/bash
I1='eth0'
I2='eth1'
I3='bond0'
#save config an temp files
cat /dev/null > /tmp/IP
cat /dev/null > /tmp/MAC1
cat /dev/null > /tmp/MAC2
grep IPADDR /etc/sysconfig/network-scripts/ifcfg-$I1 > /tmp/IP
grep NETMASK /etc/sysconfig/network-scripts/ifcfg-$I1 >> /tmp/IP
grep GATEWAY /etc/sysconfig/network-scripts/ifcfg-$I1 >> /tmp/IP
grep HWADDR /etc/sysconfig/network-scripts/ifcfg-$I1 > /tmp/MAC1
grep HWADDR /etc/sysconfig/network-scripts/ifcfg-$I2 > /tmp/MAC2
#config interface
#interface1
echo "DEVICE=eth0" > /etc/sysconfig/network-scripts/ifcfg-$I1
echo "USERCTL=no" >> /etc/sysconfig/network-scripts/ifcfg-$I1
echo "ONBOOT=yes" >> /etc/sysconfig/network-scripts/ifcfg-$I1
echo "MASTER=bond0" >> /etc/sysconfig/network-scripts/ifcfg-$I1
echo "SLAVE=yes" >> /etc/sysconfig/network-scripts/ifcfg-$I1
echo "BOOTPROTO=none" >> /etc/sysconfig/network-scripts/ifcfg-$I1
grep HWADDR /tmp/MAC1 >>/etc/sysconfig/network-scripts/ifcfg-$I1
#interface2
echo "DEVICE=eth1" > /etc/sysconfig/network-scripts/ifcfg-$I2
echo "USERCTL=no" >> /etc/sysconfig/network-scripts/ifcfg-$I2
echo "ONBOOT=yes" >> /etc/sysconfig/network-scripts/ifcfg-$I2
echo "MASTER=bond0" >> /etc/sysconfig/network-scripts/ifcfg-$I2
echo "SLAVE=yes" >> /etc/sysconfig/network-scripts/ifcfg-$I2
echo "BOOTPROTO=none" >> /etc/sysconfig/network-scripts/ifcfg-$I2
grep HWADDR /tmp/MAC2 >>/etc/sysconfig/network-scripts/ifcfg-$I2
#interface3
echo "DEVICE=bond0" > /etc/sysconfig/network-scripts/ifcfg-$I3
echo "ONBOOT=yes" >> /etc/sysconfig/network-scripts/ifcfg-$I3
echo "BOOTPROTO=none" >> /etc/sysconfig/network-scripts/ifcfg-$I3
grep IPADDR /tmp/IP >> /etc/sysconfig/network-scripts/ifcfg-$I3
grep NETMASK /tmp/IP >> /etc/sysconfig/network-scripts/ifcfg-$I3
grep GATEWAY /tmp/IP >> /etc/sysconfig/network-scripts/ifcfg-$I3
#modify modprode
echo "alias bond0 bonding" >> /etc/modprobe.conf
echo "options bond0 miimon=100 mode=1" >> /etc/modprobe.conf
#reboot system
echo "Now waiting for reboot system"
reboot
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14、Lifekeeper切换服务器
/opt/LifeKeeper/bin/perform_action -t oracle -a restore
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15、建虚拟网卡，直接打以下指令完成：
ifconfig eth0:0 10.0.0.1 up
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16、查CPU内核数
cat /proc/cpuinfo |grep "model name" && cat /proc/cpuinfo |grep "physical id"
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17、查主板信息
dmidecode
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18、自动打包文件后上传到FTP
#!/bin/bash
tar cvfz ums10.25.105.56_backup.tar.gz ./ums20100309.dmp ./ums20100309.log
ftp -n 10.25.105.51 <<EOF
user bcinfo bcinfo2010
pro
bin
put ums10.25.105.56_backup.tar.gz
quit
EOF
exit 0
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19、Veritas 增加磁盘卷空间操作过程
--查看磁盘分区信息
fdisk -l
--查看vx磁盘分区状态
vxdisk list
--查看vx磁盘组信息
vxdg list
--设置RHEL的系统参数，设置这些参数后系统才能找到相应的硬件
echo "1" > /sys/class/fc_host/host0/issue_lip
echo "1" > /sys/class/fc_host/host1/issue_lip
echo "- - -" > /sys/class/scsi_host/host0/scan
echo "- - -" > /sys/class/scsi_host/host1/scan
--设置vx卷管理为允许
vxdctl enable
--扫描新的vx磁盘分区
vxdisk scandisks
--查看vx路径
vxdisk path
--查看所有vx卷的信息
vxdisk -o alldgs list
--查看vx卷信息
vxprint -hrt|more
vxprint -v
--查看vx卷的最大可用空间
vxassist -g datadg maxsize
--手动删除分区（多个）
vxdg -g datadg rmdisk datadg17=ibm_ds8x000_00a4 datadg18=ibm_ds8x000_01a4 datadg19=ibm_ds8x000_02a4 datadg20=ibm_ds8x000_03a4 datadg21=ibm_ds8x000_04a4 datadg22=ibm_ds8x000_05a4 datadg23=ibm_ds8x000_06a4 datadg24=ibm_ds8x000_07a4
vxprint -hrt
--手动增加分区（多个）
vxdg -g datadg adddisk datadg17=ibm_ds8x000_00a4 datadg18=ibm_ds8x000_01a4 datadg19=ibm_ds8x000_02a4 datadg20=ibm_ds8x000_03a4 datadg21=ibm_ds8x000_04a4 datadg22=ibm_ds8x000_05a4 datadg23=ibm_ds8x000_06a4 datadg24=ibm_ds8x000_07a4
vxprint -hrt
--??
vxassist -g datadg maxsize
--查看License
vxlicrep
--为卷datadg lv_data增加相应的大小
vxresize -g datadg lv_data +1096000m
--查看增加后的情况
vxassist -g datadg maxsize
vxprint -hrt
vxdisk list
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20、测试HP服务器的ilo接口是否正常启动
fence_ilo -a 192.192.1.48 -l bcinfo -p bcinfo2009 -o status
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21、Cluster GFS停止顺序
umount /data
service rgmanager stop
service gfs2 stop
service clvmd stop
service cman stop
--Cluster GFS启动顺序
service cman start
service clvmd start
service gfs2 start
service rgmanager start
mount -t gfs2 /dev/gfsvg01/gfslv01 /data
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22、打开路由转发功能
echo 1 >/proc/sys/net/ipv4/ip_forward
vi /etc/sysctl.conf
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23、防火墙策略举例
export OPENVPN_IFACE="tun0"
export OPENVPN_IP_RANGE="172.39.0.0/24"
export LAN_IP="10.25.71.37"
export LAN_IFACE="bond0"
iptables -A INPUT -i $OPENVPN_IFACE -j ACCEPT
iptables -A FORWARD -i $OPENVPN_IFACE -j ACCEPT
iptables -t nat -A POSTROUTING -s $OPENVPN_IP_RANGE -o $LAN_IFACE -j SNAT --to $LAN_IP
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24、同步时间脚本
vi /usr/bin/up_time.sh
######################################
#
# synchronous timing
#
######################################
#
# Created by LiaoYongjian 2010-05-25
# Make use of root
##
#filename:/usr/bin/up_time.sh
##
##
/usr/sbin/ntpdate 10.25.70.1
/sbin/hwclock -w
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