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1. Qt/Embedded
QtÊÇTrolltech¹«Ë¾·¢²¼µÄÒ»¸ö¿çƽ̨µÄC++ͼÐνçÃæÓ¦ÓóÌÐò¿ò¼Ü¡£Ëüʵ¼ÊÉÏÊÇÒ»¸öÀà¿â£¬ÀïÃæ°üÀ¨ÁË´óÁ¿µÄ¿ÉÖØÓõÄÀ࣬ÆäÖмÈÓа´Å¥¡¢´°¿ÚµÈÕâЩ¿É¼ûÀ࣬ҲÓж¨Ê±Æ÷ÕâÑùµÄ²»¿É¼ûÀàºÍһЩ³éÏóÀà¡£QtÊÇÍêÈ«ÃæÏò¶ÔÏó£¬ÓµÓÐÁ¼ºÃµÄÀ©Õ¹ÐÔÓëÎȶ¨ÐÔ£¬²¢Ö§³ÖÄ£¿é»¯±à³Ì¡£ÎÒÃÇ¿ÉÒÔ³ä·ÖÀûÓÃQt¸ß¶ÈÃæÏò¶ÔÏóºÍÄ£¿é»¯µÄÌØÕ÷£¬´Ó·±ËöµÄX±à³ÌÖнâÍѳöÀ´£¬×¨×¢ÓÚ³ÌÐò±¾ÉíµÄÄÚÈÝ£¬Ê¹LinuxÏ´°¿Ú³ÌÐòÉè¼Æ³ÉΪһ¼þ·Ç³£ÇáËɵÄÊÂÇé¡£
ÔÚQtÖУ¬¶ÔÏóÖ®¼ä½øÐÐͨÐŲÉÓÃÁËÒ»ÖÖ±»³Æ×÷ÐźÅÓë²Û£¨Signal-Slot£©µÄ·½Ê½£¬ÕâÊÇQtµÄÖØÒªÌØÕ÷Ö®Ò»¡£ÔÚMS-WindowsÖУ¬³ÌÐòͨ¹ýÏûÏ¢¶ÓÁкÍÏûϢѭ»·µÄ·½Ê½½øÐÐÏûÏ¢µÄ´«µÝÓëʼþµÄ´¥·¢£¬¶øQtµÄÐźÅÓë²Û»úÖÆ²ÉÈ¡ÁËÕâÑùµÄ·½Ê½£ºÒ»¸öÀà¿ÉÒÔ¶¨Òå¶à¸öÐźźͶà¸ö²Û£¬ÐźžͺÃÏñÊÇʼþ£¬¶ø²ÛÔòÊÇÏìӦʼþµÄ·½·¨£¬²¢ÇÒºÍÒ»°ãµÄ³ÉÔ±º¯ÊýûÓÐÌ«´óµÄÇø±ð¡£Èç¹ûÐèҪʵÏÖËüÃÇÖ®¼äµÄͨÐÅʱ£¬¾Í½«Ä³¸öÀàµÄ²ÛÓëij¸öÀàµÄÐźÅÁ¬½ÓÆðÀ´£¬´Ó¶øÊµÏÖʼþÇý¶¯¡£
Qt/EmbeddedÊÇQtµÄǶÈëʽ°æ±¾¡£ÒòΪQtÊÇKDEµÈÏîĿʹÓõÄGUI¿â£¬ËùÒÔÓÐÐí¶à»ùÓÚQtµÄX Window³ÌÐò¿ÉÒԷdz£·½±ãµØÒÆÖ²µ½Qt/Embedded°æ±¾ÉÏ¡£Òò´Ë£ ......

Red Hat Enterprise linux 5ÅäÖÃVPN·þÎñÆ÷¶ËÐÂÊÖÉÏ·


Red Hat Enterprise linux 5ÅäÖÃVPN·þÎñÆ÷¶ËÐÂÊÖÉÏ·
1.×¼±¸¶¯×÷,ʹÓÃÏÂÃæµÄÃüÁîÏÂÔØÐèÒªµÄ°²×°Îļþ¡£(ĬÈϵĴæ·ÅλÖÃÓ¦¸ÃÊÇ/home
/admin)
wget http://poptop.sourceforge.net/yum/stable/packages/dkms-2.0.17.5-1.noarch.rpm
wget
http://poptop.sourceforge.net/yum/stable/packages/kernel_ppp_mppe-1.0.2-3dkms.noarch.rpm
wget
http://poptop.sourceforge.net/yum/stable/packages/pptpd-1.3.4-1.rhel5.1.i386.rpm
wget
http://poptop.sourceforge.net/yum/stable/packages/ppp-2.4.4-9.0.rhel5.i386.rpm

Õâ¸öÁ¬½ÓʧЧµÄ»°,ÔÚrhel5µÄisoÎļþrhel-server-5.4-i386-dvd.iso\ServerĿ¼ÏÂÕÒ¸öppp-
2.4.4-2.el5.i386.rpmÒ²¿ÉÒÔ
2.ÒÀ´Î°²×°
rpm -ivh dkms-2.0.17.5-1.noarch.rpm
rpm -ivh
kernel_ppp_mppe-1.0.2-3dkms.noarch.rpm
rpm -ivh
ppp-2.4.4-2.el5.i386.rpm
rpm -ivh pptpd-1.3.4-1.rhel5.1.i386.rpm
3.ÐÞ¸Ä/etc/ppp/chap-secretsÎļþÌí¼ÓÒ»ÐÐ
¸ñʽΪ:ÕÊ»§Ãû  ·þÎñÆ÷Ãû  ÃÜÂë  ipµØÖ·
*Ϊ¶à¸öÈ˹²ÓÃ
ÕʺÅ,ÈçÏ£º
"hc" pptpd "hc" "*"
»ò²»ÒªÒýºÅ
hc pptpd hc *
4.ÐÞ¸Ä/etc/ppt ......

linux³õѧ֮ËöËé֪ʶµãÕûÀíÈý

Èí¼þ°²×°ÃüÁî
1. tar
tar ÃüÁîµÄ»ù±¾Ó÷¨Îª£º
tar [Ñ¡Ïî] ÎļþÃû
³£ÓõÄÑ¡Ïî°üÀ¨ 
-c ´´½¨Ò»¸öеĵµ°¸Îļþ
-t ²é¿´µµ°¸ÎļþµÄÄÚÈÝ
-x ·Ö½âµµ°¸ÎļþµÄÄÚÈÝ
-f Ö¸¶¨µµ°¸ÎļþµÄÃû³Æ
-v ÏÔʾ¹ý³ÌÐÅÏ¢
-z ²ÉÓÃѹËõ·½Ê½
¾ÙÀý 
1 tar -czf oracle.tar.gz /u01/app/oracle /etc/oratab /home/oracle
  ¸ÃÃüÁ/u01/app/oracle Ŀ¼ÏµÄËùÓÐÎļþ /etc/oratab ÎļþºÍ
/home/oracleĿ¼ÏµÄËùÓÐÎļþºÏ²¢µ½oracle.tarÎļþÖÐ ²¢²ÉÓÃѹËõ·½Ê½ 
2 tar -tzf oracle.tar.gz
  ¸ÃÃüÁîÁгö¹éµµÎļþ oracle.tarÖеÄËùÓÐÎļþÁбí
2. rpm
1£©°²×°£º
rpm -i rpm°üÃû
ÀýÈç 
rpm -i tomcat4.rpm
¸ÃÃüÁ°²×° TomcatÈí¼þ²¢½øÐÐÏà¹ØÏµÍ³ÅäÖà
2£©Éý¼¶£º
rpm -U rpm°üÃû
ÀýÈç 
rpm –U tomcat4.rpm
¸ÃÃüÁÉý¼¶ TomcatÈí¼þ²¢½øÐÐÏà¹ØÏµÍ³ÅäÖà
3£©²é¿´ÒѰ²×°µÄÈí¼þ£º
ÒªÏëÁгöÒѾ­°²×°µÄÈ«²¿Èí¼þ°ü ¿ÉÒÔͨ¹ýÒÔÏÂÃüÁî 
rpm -qa
¿ÉÒÔʹÓà g r e pÃüÁîÖ¸¶¨Èí¼þ°üµÄÃû³Æ »òÕß²¿·ÖÃû³Æ ÈçÏÂËùʾ 
rpm -qa | grep 'tomcat'
¸ÃÃüÁÁгö°üÃûÖаüº¬ tomcatµÄÈí¼þ°ü 
´ËÍâ Òª ......

linux³õÑ§Ö®ÍøÂçÅäÖÃ

 ifconfig  ÃüÁ²é¿´/ÅäÖÃÍøÂçÐÅÏ¢
ifconfigµÄÓ﷨Ϊ 
ifconfig [-a] [-V] [-s] <interface> [[<AF>] <address>]
[[-]broadcast [<address>]] 
[netmask <address>] 
[up|down]
ÆäÖÐ interface ÎªÍø¿¨Ãû address Ϊ IP µØÖ· broadcast ±íʾÉèÖù㲥
µØÖ· ÆäºóµÄ address Ϊ¹ã²¥µØÖ·µÄ IP netmask ±íʾÉèÖÃ×ÓÍøÑÚÂë
ÆäºóµÄ address Ϊ×ÓÍøÑÚÂëµÄ IP up down ÉèÖõ±Ç°Íø¿¨µÄ״̬ up
±íʾÆôÓõ±Ç°Íø¿¨ down ±íʾ¹Ø±Õµ±Ç°Íø¿¨ 
IfconfigµÄ³£ÓòÎÊý˵Ã÷ÈçÏ 
       -a    ²é¿´ËùÓÐÍø¿¨×´Ì¬
       -V    ²é¿´ ifconfigÃüÁîµÄ°æ±¾ÐÅÏ¢
       -s    ²é¿´Í³¼ÆÐÅÏ¢
ʾÀý 
1  ½«µÚÒ»¿éÍø¿¨µÄ IPµØÖ·ÉèÖÃΪ 192.168.0.1  
ifconfig eth0 192.168.0.1  ¸ñʽ ifconfig ÍøÂçÉ豸Ãû IPµØÖ·  
2  ÔÝʱ¹Ø±Õ»òÆôÓÃÍø¿¨  
¹Ø±ÕµÚÒ»¿éÍø¿¨ ifconfig eth0 down
ÆôÓõÚÒ»¿éÍø¿¨ ifconfig et ......

Redhat Linux oracle 10g em °´Å¥ÂÒÂë½â¾ö

ÍøÉÏÓкܶà×ÊÁÏ£¬Ò²ÊDzο¼eygleµÄÎĵµ¡£
OS : Redhat AS 4 U5
DB : Oracle 10.2.0.3
1.ÐÞ¸Äjdk ÏÂÃæµÄ×ÖÌå¡£
[oracle@rac2 db_1]$ cd $ORACLE_HOME/jdk/jre/lib/
[oracle@rac2 lib]$ mv font.properties font.properties_bak
[oracle@rac2 lib]$
[oracle@rac2 lib]$ cp font.properties.zh_CN.Redhat font.properties
[oracle@rac2 lib]$
2.ÐÞ¸Äjre ÏÂÃæµÄ×ÖÌå
[oracle@rac2 lib]$ cd $ORACLE_HOME/jre/1.4.2/lib
[oracle@rac2 lib]$ mv font.properties font.properties_bak
[oracle@rac2 lib]$ cp font.properties.zh_CN.Redhat font.properties
3.Çå³ýemµÄcache
[oracle@rac2 lib]$ cd $ORACLE_HOME/oc4j/j2ee/oc4j_applications/applications/em/em/cabo/images/cache/zhs
[oracle@rac2 zhs]$ rm *.gif
4. ÖØÐÂÆô¶¯em
[oracle@rac2 zhs]$ emctl stop dbconsole
[oracle@rac2 zhs]$ emctl start dbconsole ......

Redhat Linux oracle 10g em °´Å¥ÂÒÂë½â¾ö

ÍøÉÏÓкܶà×ÊÁÏ£¬Ò²ÊDzο¼eygleµÄÎĵµ¡£
OS : Redhat AS 4 U5
DB : Oracle 10.2.0.3
1.ÐÞ¸Äjdk ÏÂÃæµÄ×ÖÌå¡£
[oracle@rac2 db_1]$ cd $ORACLE_HOME/jdk/jre/lib/
[oracle@rac2 lib]$ mv font.properties font.properties_bak
[oracle@rac2 lib]$
[oracle@rac2 lib]$ cp font.properties.zh_CN.Redhat font.properties
[oracle@rac2 lib]$
2.ÐÞ¸Äjre ÏÂÃæµÄ×ÖÌå
[oracle@rac2 lib]$ cd $ORACLE_HOME/jre/1.4.2/lib
[oracle@rac2 lib]$ mv font.properties font.properties_bak
[oracle@rac2 lib]$ cp font.properties.zh_CN.Redhat font.properties
3.Çå³ýemµÄcache
[oracle@rac2 lib]$ cd $ORACLE_HOME/oc4j/j2ee/oc4j_applications/applications/em/em/cabo/images/cache/zhs
[oracle@rac2 zhs]$ rm *.gif
4. ÖØÐÂÆô¶¯em
[oracle@rac2 zhs]$ emctl stop dbconsole
[oracle@rac2 zhs]$ emctl start dbconsole ......

Linux²Ù×÷ϵͳI2CÇý¶¯¼Ü¹¹

1£¬LinuxµÄI2CÇý¶¯¼Ü¹¹¸ÅÀÀ
      LinuxÖÐI2C×ÜÏßµÄÇý¶¯·ÖΪÁ½¸ö²¿·Ö£¬×ÜÏßÇý¶¯£¨BUS£©ºÍÉ豸Çý¶¯£¨DEVICE£©¡£ÆäÖÐ×ÜÏßÇý¶¯µÄÖ°Ôð£¬ÊÇΪϵͳÖÐÿ¸öI2C×ÜÏßÔö¼ÓÏàÓ¦µÄ¶Áд·½·¨£¨±ÈÈ粻ͬµÄÖ÷оƬ¼¯³ÉµÄI2C¿ØÖÆÆ÷£©¡£µ«ÊÇ×ÜÏßÇý¶¯±¾Éí²¢²»»á½øÐÐÈκεÄͨѶ£¬ËüÖ»ÊÇ´æÔÚÔÚÄÇÀµÈ´ýÉ豸Çý¶¯µ÷ÓÃÆäº¯Êý¡£
     É豸Çý¶¯ÔòÊÇÓë¹ÒÔÚI2C×ÜÏßÉϵľßÌåµÄÉ豸ͨѶµÄÇý¶¯¡£Í¨¹ýI2C×ÜÏßÇý¶¯ÌṩµÄº¯Êý£¬É豸Çý¶¯¿ÉÒÔºöÂÔ²»Í¬×ÜÏß¿ØÖÆÆ÷µÄ²îÒ죬²»¿¼ÂÇÆäʵÏÖϸ½ÚµØÓëÓ²¼þÉ豸ͨѶ¡£
2£¬×ÜÏßÇý¶¯
     ÔÚϵͳ¿ª»úʱ£¬Ê×ÏÈ×°ÔØµÄÊÇI2C×ÜÏßÇý¶¯¡£Ò»¸ö×ÜÏßÇý¶¯ÓÃÓÚÖ§³ÖÒ»ÌõÌØ¶¨µÄI2C×ÜÏߵĶÁд¡£Ò»¸ö×ÜÏßÇý¶¯Í¨³£ÐèÒªÁ½¸öÄ£¿é£¬Ò»¸östruct i2c_adapterºÍÒ»¸östruct i2c_algorithmÀ´ÃèÊö£º
 static struct i2c_adapter pb1550_board_adapter =
 {
      name:              "pb1550 adapter",
      id:             ......

Linux²Ù×÷ϵͳI2CÇý¶¯¼Ü¹¹

1£¬LinuxµÄI2CÇý¶¯¼Ü¹¹¸ÅÀÀ
      LinuxÖÐI2C×ÜÏßµÄÇý¶¯·ÖΪÁ½¸ö²¿·Ö£¬×ÜÏßÇý¶¯£¨BUS£©ºÍÉ豸Çý¶¯£¨DEVICE£©¡£ÆäÖÐ×ÜÏßÇý¶¯µÄÖ°Ôð£¬ÊÇΪϵͳÖÐÿ¸öI2C×ÜÏßÔö¼ÓÏàÓ¦µÄ¶Áд·½·¨£¨±ÈÈ粻ͬµÄÖ÷оƬ¼¯³ÉµÄI2C¿ØÖÆÆ÷£©¡£µ«ÊÇ×ÜÏßÇý¶¯±¾Éí²¢²»»á½øÐÐÈκεÄͨѶ£¬ËüÖ»ÊÇ´æÔÚÔÚÄÇÀµÈ´ýÉ豸Çý¶¯µ÷ÓÃÆäº¯Êý¡£
     É豸Çý¶¯ÔòÊÇÓë¹ÒÔÚI2C×ÜÏßÉϵľßÌåµÄÉ豸ͨѶµÄÇý¶¯¡£Í¨¹ýI2C×ÜÏßÇý¶¯ÌṩµÄº¯Êý£¬É豸Çý¶¯¿ÉÒÔºöÂÔ²»Í¬×ÜÏß¿ØÖÆÆ÷µÄ²îÒ죬²»¿¼ÂÇÆäʵÏÖϸ½ÚµØÓëÓ²¼þÉ豸ͨѶ¡£
2£¬×ÜÏßÇý¶¯
     ÔÚϵͳ¿ª»úʱ£¬Ê×ÏÈ×°ÔØµÄÊÇI2C×ÜÏßÇý¶¯¡£Ò»¸ö×ÜÏßÇý¶¯ÓÃÓÚÖ§³ÖÒ»ÌõÌØ¶¨µÄI2C×ÜÏߵĶÁд¡£Ò»¸ö×ÜÏßÇý¶¯Í¨³£ÐèÒªÁ½¸öÄ£¿é£¬Ò»¸östruct i2c_adapterºÍÒ»¸östruct i2c_algorithmÀ´ÃèÊö£º
 static struct i2c_adapter pb1550_board_adapter =
 {
      name:              "pb1550 adapter",
      id:             ......
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