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Linux shell

Linux ²é¿´ËùÓл·¾³±äÁ¿ÃüÁexpoert ºÍ  env ¡£
               Ö¸¶¨»·¾³±äÁ¿£ºecho $XXX,(XXX´ú±í»·¾³±äÁ¿Ãû)
¸ü¸Ä»·¾³±äÁ¿Öµ·½·¨£º
1.ÐÞ¸Ä/etc/profileÎļþ
Àý£ºÔÚprofileÎļþĩβ¼ÓÈ룺
JAVA_HOME=/usr/share/jdk1.5.0_05
PATH=$JAVA_HOME/bin:$PATH
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export JAVA_HOME
export PATH
export CLASSPATH
×¢½â£º
a. ÄãÒª½« /usr/share/jdk1.5.0_05jdk ¸ÄΪÄãµÄjdk°²×°Ä¿Â¼
 b. linuxÏÂÓÃðºÅ“:”À´·Ö¸ô·¾¶
 c. $PATH / $CLASSPATH / $JAVA_HOME ÊÇÓÃÀ´ÒýÓÃÔ­À´µÄ»·¾³±äÁ¿µÄÖµ,ÔÚÉèÖû·¾³±äÁ¿Ê±ÌرðҪעÒâ²»ÄܰÑÔ­À´µÄÖµ¸ø¸²¸ÇµôÁË£¬ÕâÊÇÒ»ÖÖ³£¼ûµÄ´íÎó¡£
 d. CLASSPATHÖе±Ç°Ä¿Â¼“.”²»Äܶª,°Ñµ±Ç°Ä¿Â¼¶ªµôÒ²Êdz£¼ûµÄ´íÎó¡£
 e. exportÊǰÑÕâÈý¸ö±äÁ¿µ¼³öΪȫ¾Ö±äÁ¿¡£
 f. ´óСд±ØÐëÑϸñÇø·Ö¡£
 
2.ÐÞ¸Ä.bashrcÎļþ¡¡
Àý£ºÔÚ.bashrcÎļþĩβ¼ÓÈ룺¡¡¡¡
set JAVA_HOME=/usr/share/jdk1.5.0_05
export JAVA_HOME
set PATH=$JAVA ......

Linux Shell×Ô¶¯½»»¥µÄÈýÖÖ·½·¨


ÄãÁ˽âLinuxϵͳô£¿ÄãÊÇLinuxϵͳµÄÓ¦ÓÃÕßô£¿Èç¹ûÄãҪѧϰlinux£¬Äã¿ÉÄÜ»áÓöµ½Linux Shell×Ô¶¯½»»¥ÎÊÌ⣬ÕâÀォ½éÉÜLinux Shell×Ô¶¯½»»¥µÄ½â¾ö·½·¨£¬ÔÚÕâÀïÄóöÀ´ºÍ´ó¼Ò·ÖÏíһϡ£
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shell½Å±¾ÔÚ´¦Àí×Ô¶¯Ñ­»·»ò´óµÄÈÎÎñ·½Ãæ¿É½ÚÊ¡´óÁ¿µÄʱ¼ä£¬Í¨¹ý´´½¨Ò»¸ö´¦ÀíÈÎÎñµÄÃüÁîÇåµ¥£¬Ê¹ÓñäÁ¿¡¢Ìõ¼þ¡¢ËãÊõºÍÑ­»·µÈ·½·¨¿ìËÙ´´½¨½Å±¾ÒÔÍê³ÉÏàÓ¦¹¤×÷£¬Õâ±ÈÔÚÃüÁîÐÐÏÂÒ»¸ö¸öÇÃÈëÃüÁîҪʡʱʡÁ¦µÃ¶à¡£
µ«ÊÇÓÐʱºòÎÒÃÇ¿ÉÄÜ»áÐèҪʵÏֺͽ»»¥³ÌÐòÈçftp,telnet·þÎñÆ÷µÈ½øÐн»»¥µÄ¹¦ÄÜ£¬ÕâʱºòÎÒÃÇÐèÒªÓõ½shellµÄ×Ô¶¯½»»¥¹¦ÄÜ£¬±¾ÎÄÊÕ¼¯Á˽ϳ£ÓõÄÈýÖÖ×Ô¶¯½»»¥·½·¨£¬²¢½øÐÐÁ˱ȽϺÍ×ܽᡣ
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ÖÕ¶Ë£ºSecureCRT
ϵͳ£ºWinXP, CentOS 4.4(VmWare)
Shell:bash
×¢£ºshellÓкܶàÖÖ£¬BÀàSHELL£¨sh, bash, ksh£©Ö®¼äÐÐΪÏà½ü£»CÀàSHELL£¨csh, tcsh£©Ö®¼äÐÐΪÏà½ü£¬»¹ÓÐzshºÍrcµÈshell£¬±¾Îĵĵ÷ÊÔ»·¾³ÊÇbash¡£
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linux shellÖÖÀà

LinuxÖеÄshellÓжàÖÖÀàÐÍ£¬ÆäÖÐ×î³£Óõļ¸ÖÖÊÇBourne   shell£¨sh£©¡¢C   shell£¨csh£©ºÍKorn   shell£¨ksh£©¡£ÈýÖÖshell¸÷ÓÐÓÅȱµã¡£Bourne   shellÊÇUNIX×î³õʹÓõÄshell£¬²¢ÇÒÔÚÿÖÖUNIXÉ϶¼¿ÉÒÔʹÓá£Bourne   shellÔÚshell±à³Ì·½ÃæÏ൱ÓÅÐ㣬µ«ÔÚ´¦ÀíÓëÓû§µÄ½»»¥·½Ãæ×öµÃ²»ÈçÆäËû¼¸ÖÖshell¡£Linux²Ù×÷ϵͳȱʡµÄshellÊÇBourne   Again   shell£¬ËüÊÇBourne   shellµÄÀ©Õ¹£¬¼ò³ÆBash£¬ÓëBourne   shellÍêÈ«Ïòºó¼æÈÝ£¬²¢ÇÒÔÚBourne   shellµÄ»ù´¡ÉÏÔö¼Ó¡¢ÔöÇ¿Á˺ܶàÌØÐÔ¡£Bash·ÅÔÚ/bin/bashÖУ¬ËüÓÐÐí¶àÌØÉ«£¬¿ÉÒÔÌṩÈçÃüÁȫ¡¢ÃüÁî±à¼­ºÍÃüÁîÀúÊ·±íµÈ¹¦ÄÜ£¬Ëü»¹°üº¬Á˺ܶàC   shellºÍKorn   shellÖеÄÓŵ㣬ÓÐÁé»îºÍÇ¿´óµÄ±à³Ì½Ó¿Ú£¬Í¬Ê±ÓÖÓкÜÓѺõÄÓû§½çÃæ¡£ ......

ÔÚlinuxÏÂͨ¹ýCÓïÑÔ»ùÓÚfreetdsÁ¬½Ósql2000

°²×°ºÃfreetdsÖ®ºó
Ìí¼Ó¿âµÄ»·¾³±äÁ¿
$ export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/freetds/lib/
Ö®ºó¿ªvi
#include <stdio.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include </usr/local/freetds/include/sybfront.h>
#include </usr/local/freetds/include/sybdb.h>
void echo(char *str)
{
printf("%s\n",str);
}
int main(void)
{
char uname[32] = "sa";
char upass[32] = "thisispasswordarea";
char server[32] = "222.222.222.222:1678";
dbinit();
LOGINREC *loginrec = dblogin();
DBSETLUSER(loginrec,uname);
DBSETLPWD(loginrec,upass);
DBPROCESS *dbprocess = dbopen(loginrec,server);
echo("connecting...");
if(dbprocess == FAIL)
{
echo("connect...fail");
return 0;
}
if(dbuse(dbprocess,"db_6930") == FAIL)
{
echo("database select fail");
return 0;
}
else
{
echo("connect success.");
dbcmd(dbprocess,"select top 10 userid from wells.dbtest.dbo.user0");
if(dbsqlexec(dbprocess) == ......

ÔÚlinuxÏÂͨ¹ýCÓïÑÔ»ùÓÚfreetdsÁ¬½Ósql2000

°²×°ºÃfreetdsÖ®ºó
Ìí¼Ó¿âµÄ»·¾³±äÁ¿
$ export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/freetds/lib/
Ö®ºó¿ªvi
#include <stdio.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include </usr/local/freetds/include/sybfront.h>
#include </usr/local/freetds/include/sybdb.h>
void echo(char *str)
{
printf("%s\n",str);
}
int main(void)
{
char uname[32] = "sa";
char upass[32] = "thisispasswordarea";
char server[32] = "222.222.222.222:1678";
dbinit();
LOGINREC *loginrec = dblogin();
DBSETLUSER(loginrec,uname);
DBSETLPWD(loginrec,upass);
DBPROCESS *dbprocess = dbopen(loginrec,server);
echo("connecting...");
if(dbprocess == FAIL)
{
echo("connect...fail");
return 0;
}
if(dbuse(dbprocess,"db_6930") == FAIL)
{
echo("database select fail");
return 0;
}
else
{
echo("connect success.");
dbcmd(dbprocess,"select top 10 userid from wells.dbtest.dbo.user0");
if(dbsqlexec(dbprocess) == ......

ÔÚlinuxÏÂͨ¹ýCÓïÑÔ»ùÓÚfreetdsÁ¬½Ósql2000

°²×°ºÃfreetdsÖ®ºó
Ìí¼Ó¿âµÄ»·¾³±äÁ¿
$ export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/freetds/lib/
Ö®ºó¿ªvi
#include <stdio.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include </usr/local/freetds/include/sybfront.h>
#include </usr/local/freetds/include/sybdb.h>
void echo(char *str)
{
printf("%s\n",str);
}
int main(void)
{
char uname[32] = "sa";
char upass[32] = "thisispasswordarea";
char server[32] = "222.222.222.222:1678";
dbinit();
LOGINREC *loginrec = dblogin();
DBSETLUSER(loginrec,uname);
DBSETLPWD(loginrec,upass);
DBPROCESS *dbprocess = dbopen(loginrec,server);
echo("connecting...");
if(dbprocess == FAIL)
{
echo("connect...fail");
return 0;
}
if(dbuse(dbprocess,"db_6930") == FAIL)
{
echo("database select fail");
return 0;
}
else
{
echo("connect success.");
dbcmd(dbprocess,"select top 10 userid from wells.dbtest.dbo.user0");
if(dbsqlexec(dbprocess) == ......

linux ,·Ôںη½£¿

 
ѧlinuxÒ²ÓÐÒ»¶Îʱ¼äÁË£¬´ÓÒ»¸ö²ËÄñ³É³¤ÎªõçõÇ×ß·µÄ³ûÄñ£¬Ò»Â·×ßÀ´£¬ÄÑÃâÓÐЩ¿Ä¿ÄÅöÅö¡£¶ÔlinuxµÄÈÏʶҲ´ÓÌý˵ºÜÇ¿´ó£¬µ½Ç××ÔÌåÑéËüµÄ¿ªÔ´¡¢°²
È«¡¢ÒÔ¼°ÓÅÔ½µÄÐÔÄÜ£¬²»¹ýÒ²³Ô¾¡ÁË¿àÍ·£¬ÕæµÄÊÇÎåζ¾ãÈ«¡£
    
¶¼Ëµlinux¹¦ÄÜÇ¿´ó£¬×Ô´ÓÎÒ½Ó´¥ÁËlinux¾Í¸Ð¾õµ½ÁËËüµÄÇ¿´ó¡£Ç¿´óµÄ°²È«ÐÔÄÜ£¬Ç¿´óµÄ¿ªÔ´Èí¼þ£¬¶¼ÎÞʱ²»¿ÌÎüÒý×ÅÖÚ¶àµÄlinux¿ñÈȰ®ºÃÕß¡£È»
¶øÔÚÎÒ¿´À´£¬×ÔÓÉ¿ª·ÅÕæÊÇÒ»°ÑË«Èн££¬Ëü¸øÁËÄãÎÞÏÞµÄã¿ã½ÓëÁ¦Á¿£¬Ò²¸øÁËÄãÎÞÏ޵ļèÄÑÏÕ×è¡£
    
¼¸¸öÔÂǰ¾ö¶¨¿ªÊ¼Ñ§linux£¬ÓÚÊDz»µÃ²»°²×°¡£ÔÚÎұȽϵ¹Ã¹µÄÇé¿öÏ£¬°²×°Á˼¸Ê®´Îϵͳ£¬ÖÕÓÚ°²×°³É¹¦²¢ÇÒÄܹ»Õý³£ÉÏÍø¡£´Óred
hatµ½ubuntuµÄ°²×°£¬´Óϵͳbugµ½Ó²¼þ²»¼æÈÝ£¬´ÓÉùÒôÎÊÌâµ½ÍøÂçÎÊÌ⣬´Ó²¥·ÅÆ÷¿¨µÄ²»ÄÜÐе½²¥·ÅÆ÷ÎÞÉùÒô¡¢ÎÞͼÏñ¡¢ÕÒ²»µ½½âÂëÆ÷……ÿ½Ó´¥Ò»¸ö
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ÎÒ´Óδ»³ÒÉ×Ô¼ºµÄÖÇÉÌ£¬Ò²´ÓûÓл³ÒɹýlinuxµÄÎÞ¿ÉÌæ´úµÄÇ¿´ó¹¦ÄÜ£¬¸ü²»»á˵Óöµ½Ò»Ð©Ð¡Ð¡µÄÂé·³¶øÈ¥·ÅÆúlinux¡£¶øÎÒÔÚÏëÒ»¸öÎÊÌ⣬ΪʲôÎÒÄܹ»
ÔÚ´ÓδÅö¹ýµçÄÔµÄÇé¿öÏÂÔÚ¼¸ÌìµÄʱ¼ä¾Í°ÑwindowsµÄ»ù±¾²Ù×÷¸ã¶®£¬¶ ......

linuxÔ¶³Ì×ÀÃæ¹ÜÀíVNC

author:skate
time:2010-05-24
ÒÔǰҲÓùýlinuxµÄÔ¶³ÌͼÐνçÃæ¹ÜÀí³ÌÐòx-win32£¬µØÖ·ÈçÏ£º
http://blog.csdn.net/wyzxg/archive/2007/09/10/1779148.aspx  
½ñÌì½éÉÜÔÚ½éÉÜÒ»¸öͼÐιÜÀíÈí¼þvnc£¬¼òµ¥ÅäÖÃÈçÏÂ
vnc·þÎñ¶Ëos°æ±¾£ºcentos4.7
vnc client£º nvc viewer¿Í»§¶Ë
1.¼ì²évnc·þÎñÆ÷ÊÇ·ñ°²×°
[root@ticket-A ~]# rpm -qa | grep vnc
vnc-server-4.0-12.el4
centos4.7ĬÈÏÒѾ­°²×°ÁËvnc·þÎñ¶Ë
Èç¹û·¢ÏÖûÓа²×°µÄ»°£¬¿ÉÒÔÓÃÈçϵÄÃüÁî°²×°
[root@ticket-A ~]# yum -y install vnc vnc-server
2.½«ÓÃÓÚvncµÄÓû§ÃûÌí¼Óµ½ÅäÖÃÎļþÖУ¬ÕâÀïµÄÓû§ÃûÊÇlinuxϵͳµÄÓû§Ãû
[root@ticket-A ~]# vi /etc/sysconfig/vncservers
# The VNCSERVERS variable is a list of display:user pairs.
#
# Uncomment the line below to start a VNC server on display :1
# as my 'myusername' (adjust this to your own).  You will also
# need to set a VNC password; run 'man vncpasswd' to see how
# to do that.
#
#
# DO NOT RUN THIS SERVICE if your local area network is
# untrusted!  For a secure way of using VNC, see
# < ......
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