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linuxϰ²×°MySQL


°²×°MySQL
ºÃ£¬ÎÒÃÇ¿ÉÒÔ¿ªÊ¼ÕýʽµÄ°²×°ÁË¡£¼ÙÉèÄã°ÑËùÓбØÐëµÄÔ´Âë»òÕß°ü¶¼·ÅÔÚÁË/tmpÏ¡£Èç¹ûÄãÏÂÔØµÄÊÇRPM°üµÄ»°£¬ÄDZȽϼòµ¥£»Èç¹ûÄãÏÂÔØµÄÊǶþ½øÖưü£¨ÄãûÓÐrpm³ÌÐò»òÕßÄãÏë×Ô¶¨ÒåµÄ»°£©£¬ÄÇô»áÉÔ΢Âé·³Ò»µã¡£
RPM°ü°²×°
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$ cd /tmp
$ su
# rpm -Uvh MySQL*(°²×°ºÍMySQLÏà¹ØµÄËùÓаü£©
Õ⽫°²×°ÄãÏÂÔØµÄËùÓÐ3¸öMySQL°ü¡£Èç¹ûÄãµÄϵͳÊÇRedHat LinuxµÄ»°£¬½¨ÒéʹÓÃRPM°²×°·½Ê½£¬ÒòΪËùÓеŤ×÷¶¼ÓÉrpm³ÌÐò°ïÄã¸ãºÃÁË¡£
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Èç¹ûÄãÏÂÔØµÄÊǶþ½øÖÆÔ´´úÂ룬ËüµÄÃû×ÖÀàËÆÓÚ£º mysql-3.22.21-pc-linux-gnu-i686.tar.gz¡£Äã±ØÐë³ÉΪrootÓû§£¬È»ºó½âѹµ½ /usr/localĿ¼£¬²Ù×÷²½ÖèÈçÏ£º
$ cd /usr/local
$ su
# tar -zxvf /tmp/mysql-3.22.21-pc-linux-gnu-i686.tar.gz
ÔÚËùÓÐÎļþ½âѹÍêºó£¬Ò»¸öÃû×Ö½Ðmysql-3.22.21-pc-linux-gnu-i686µÄĿ¼½«±»´´½¨³öÀ´¡£ÎÒÃÇΪÕâ¸öĿ¼×ö¸ö·ûºÅÁ´½Ó£¬²¢¸øËüÒ»¸ö¸üÓѺõÄÃû×Ömysql £¨ÃâµÃ ......

linux ÄÚ´æ¹ÜÀíÖ®»ù´¡Æª

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            Ò»¸öBANK±íʾһ¿éÁ¬ÐøµÄÄÚ´æ¿Õ¼ä£¬¶ÔÓ¦ÓÚ´¦ÀíÆ÷µÄramƬѡ¹Ü½ÅÁ´½ÓµÄramµÄÄÚ´æ¿Õ¼ä¡£¶ÔÓÚRAMÔÚϵͳµÄÆðʼµØÖ·ºÍ´óС¿ÉÒÔͨ¹ý´¦ÀíÆ÷¼Ä´æÆ÷ÉèÖõģ¬Èç¹û´¦ÀíÆ÷ËùÁ´½ÓËùÓÐRAMоƬ¶¼ÉèÖÃΪÊ×βµØÖ·ÏàÁ¬µÄ»°£¬Linux¾Í¿ÉÒÔÓÃÒ»¸öBANKÀ´±íʾÕâÆ¬ÄÚ´æ¿Õ¼ä¡£
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Linux VIʹÓÃ

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viÊÇËùÓÐUNIXϵͳ¶¼»áÌṩµÄÆÁÄ»±à¼­Æ÷£¬ËüÌṩÁËÒ»¸öÊÓ´°É豸£¬Í¨¹ýËü¿ÉÒԱ༭Îļþ¡£µ±È»£¬¶ÔUNIXϵͳÂÔÓÐËùÖªµÄÈË£¬»ò¶à»òÉÙ¶¼¾õµÃvi³¬¼¶ÄÑÓ㬵«viÊÇ×î»ù±¾µÄ±à¼­Æ÷£¬ËùÒÔÏ£Íû¶ÁÕßÄܺúðÑËüѧÆðÀ´£¬ÒÔºóÔÚUNIXÊÀ½çÀï±Ø½«³©ÐÐÎÞ×è¡¢ÓÎÈÐÓÐÓ࣬ÒòΪÆäËû¼¸ÖÖÎı¾´¦ÀíÆ÷²¢·ÇUNIX±ê×¼Å䱸¡£Ëµ²»¶¨±ðÈ˵ÄLinux»úÆ÷û°²×°joe»òpico£¬Èç¹ûÄú²»»ávi£¬ÄÇÄú¿ÉÄܾÍûéüÁË¡£
viµÄ»ù±¾¸ÅÄî
»ù±¾ÉÏvi¿É·ÖΪÈýÖÖ²Ù×÷״̬£¬·Ö±ðÊÇÃüÁîģʽ£¨Command mode£©¡¢²åÈëģʽ£¨Insert mode£©ºÍµ×ÏßÃüÁîģʽ£¨Last line mode£©£¬¸÷ģʽµÄ¹¦ÄÜÇø·ÖÈçÏ£º
1£® Comand mode£º¿ØÖÆÆÁÄ»¹â±êµÄÒÆ¶¯£¬×Ö·û»ò¹â±êµÄɾ³ý£¬Òƶ¯¸´ÖÆÄ³Çø¶Î¼°½øÈëInsert modeÏ£¬»òÕßµ½Last line mode¡£
2£® Insert mode£ºÎ¨ÓÐÔÚInsert modeÏ£¬²Å¿É×öÎÄ×ÖÊý¾ÝÊäÈ룬°´EscµÈ¿É»Øµ½Comand mode¡£
3£® Last line mode£º½«´¢´æÎļþ»òÀ뿪±à¼­Æ÷£¬Ò²¿ÉÉèÖñ༭»·¾³£¬ÈçѰÕÒ×Ö·û´®¡¢ÁгöÐкŵȡ£
²»¹ý¿ÉÒÔ°Ñvi¼ò»¯³ÉÁ½¸öģʽ£¬¼´Êǽ«Last line modeÒ²ËãÈëCommand mode,°Ñvi·Ö³ÉCommand ºÍInsert mode¡£
viµÄ»ù±¾²Ù×÷
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Unix(Linux) C++ ÏÂÖ§³ÖtimeoutµÄconnect()µÄʵÏÖÀý×Ó

java µÄconnectÓÐtimeoutÕâ¸ö¹¦ÄÜ£¬C++µÄconnect·´¶øÃ»ÓУ¿ Íø²éµÃµ½ÁËÁ½¸öʵÏֵİ汾ÈçÏ£º
Ö§³ÖtimeoutµÄconnect() / Connect with timeout
Code:
 void connect_w_to(void) {
int res;
struct sockaddr_in addr;
long arg;
fd_set myset;
struct timeval tv;
int valopt;
socklen_t lon;
// Create socket
soc = socket(AF_INET, SOCK_STREAM, 0);
if (soc < 0) {
fprintf(stderr, "Error creating socket (%d %s)\n", errno, strerror(errno));
exit(0);
}
addr.sin_family = AF_INET;
addr.sin_port = htons(2000);
addr.sin_addr.s_addr = inet_addr("192.168.0.1");
// Set non-blocking
if( (arg = fcntl(soc, F_GETFL, NULL)) < 0) {
fprintf(stderr, "Error fcntl(..., F_GETFL) (%s)\n", strerror(errno));
exit(0);
}
arg |= O_NONBLOCK;
if( fcntl(soc, F_SETFL, arg) < 0) {
fprintf(stderr, "Error fcntl(..., F_SETFL) (%s)\n", strerror(errno));
exit(0);
}
// Trying to connect with timeout
res ......

Unix(Linux) C++ ÏÂÖ§³ÖtimeoutµÄconnect()µÄʵÏÖÀý×Ó

java µÄconnectÓÐtimeoutÕâ¸ö¹¦ÄÜ£¬C++µÄconnect·´¶øÃ»ÓУ¿ Íø²éµÃµ½ÁËÁ½¸öʵÏֵİ汾ÈçÏ£º
Ö§³ÖtimeoutµÄconnect() / Connect with timeout
Code:
 void connect_w_to(void) {
int res;
struct sockaddr_in addr;
long arg;
fd_set myset;
struct timeval tv;
int valopt;
socklen_t lon;
// Create socket
soc = socket(AF_INET, SOCK_STREAM, 0);
if (soc < 0) {
fprintf(stderr, "Error creating socket (%d %s)\n", errno, strerror(errno));
exit(0);
}
addr.sin_family = AF_INET;
addr.sin_port = htons(2000);
addr.sin_addr.s_addr = inet_addr("192.168.0.1");
// Set non-blocking
if( (arg = fcntl(soc, F_GETFL, NULL)) < 0) {
fprintf(stderr, "Error fcntl(..., F_GETFL) (%s)\n", strerror(errno));
exit(0);
}
arg |= O_NONBLOCK;
if( fcntl(soc, F_SETFL, arg) < 0) {
fprintf(stderr, "Error fcntl(..., F_SETFL) (%s)\n", strerror(errno));
exit(0);
}
// Trying to connect with timeout
res ......

¹Ø¼üÒµÎñÉ÷ÓÃlinux!

¹Ø¼üÒµÎñÉ÷ÓÃlinux!
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Linuxϵͳ¹¹½¨ºÍÔËÓÃsamba½øÐкÍwindowsµÄ¹²Ïí

²ÉÓúìñµÄÆóÒµ°æ5£¬°²×°µÄʱºòÒª°Ñ±ØÒªµÄ¿ª·¢×齨ѡÔñÉÏ£¡Èçtftp£¬samba£¬ºÍnfsµÈ¡£¡£¡£¡£
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samba·þÎñÆ÷ʹÓÃʱºò£¬ÒªÏȶ¨ÒåwmÁ¬½Ó0°ÑËü¶¨Òå³ÉÒ»¸öÖ¸¶¨µÄÍøÂçÁ¬½Ó£¬È»ºóÉèÖÃwindows¹²Ïí£¬×îºóÆôÓÃsamba·þÎñÆ÷£¬Á¬½ÓwmÁ¬½Ó0¶ÔÓ¦µÄipµØÖ·iu¿ÉÒÔÀ²¡£ ......
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