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df -k

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sudo  vgdisplay

Õâ¸öÃüÁîÏÔʾµÄÊÇÓжàÉٿռ仹ûÓб»·ÖÅ䣬Èç¹ûÏÔʾvgdisplay: command not found ÔòÐèÒª°²×°lvm2, ubuntuÏ¿ÉÒÔÖ´ÐÐsudo apt-get install lvm2À´½øÐа²×°
(Free  PE / Size       19183 / 74.93 GB         ±íʾÄã¿ÉÒÔÌí¼Ó74.93G)
sudo lvextend -L+20G /dev/vg/home

Õâ¸öÃüÁî»áÌí¼Ó20G¿Õ¼äµ½home·ÖÇø£¬Õâ20G¿Õ¼äÊÇ´ÓÉÏÃæµÄ74.93Gδ·ÖÅä¿Õ¼äÖÐÈ¡µÃµÄ


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linuxÏÂudp¿Í»§¶ËÔ´ÂëʾÀý

#include <errno.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <string.h>
#include <netinet/in.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <s ......

linuxÏ´óÎļþ¶ÁдԴÂëʾÀý

#define _LARGEFILE_SOURCE
#define _LARGEFILE64_SOURCE
#define _FILE_OFFSET_BITS 64
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
int main()
{
printf("sizeof(off_t) = %d\n", sizeof(off_t));
int ......

½â¾öLinuxÖÐToo many open filesÎÊÌâ

1¡¢Ïà¹ØÃüÁ
ulimit –a //²é¿´µ±Ç°ÉèÖÃ
ulimit –n 2048 //¼´Éè³É2048£¬°´Êµ¼ÊÐèÒªÉèÖÃ
2¡¢Óû§»·¾³²ÎÊýÎļþÅäÖãº
ÔÚ/etc/profileÖмÓÈëÈçÏÂÄÚÈÝ£º
if
 [ $SHELL 
=
 
"
/bin/ksh
"
 ]; then 
ulimit 
-

16384
 ulimit&nbs ......

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BIG5×Ö¼¯ÊÇ̨Íå·±Ìå×Ö¼¯£¬¹²°üÀ¨¹ú±ê·±Ì庺×Ö13053¸ö¡£ *
GBK×Ö¼¯ÊǼò·±×Ö¼¯£¬°üÀ¨ÁËGB×Ö¼¯¡¢BIG5×Ö¼¯ºÍһЩ·ûºÅ£ ......
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