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 ×îÐÂÎÄÕ : linux

LinuxÏÂperlÄ£¿éµÄ°²×°

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Ö÷ÒªÓÐÒÔϼ¸¸ö²½Ö裺
1) perl **.PL  Éú³Émakefile Îļþ
2) make
3) make test (this is optional£¬Èç¹ûÕⲽûɶÎÊÌâ,»áÏÔʾһÇÐok)
4) make install
³öÏÖµÄÎÊÌ⣬¶à¿´ÏÂÌáʾ£¬Ò»°ã¶¼ÊÇȱ°üÉÙ¿â ......

linux¹ÒÔØÐÂÓ²ÅÌ

fdisk -l ÃüÁî¿´µ±Ç°´ÅÅÌÐÅÏ¢
[root@roswell root]# fdisk /dev/sdb
Command (m for help): m  --´òÓ¡¸ÃÃüÁîµÄ²ÎÊý¹¦ÄÜÁбí
Command action
   a   toggle a bootable flag
   b   edit bsd disklabel
   c   toggle the dos compatibility flag
   d   delete a partition
   l   list known partition types
   m   print this menu
   n   add a new partition
   o   create a new empty DOS partition table
   p   print the partition table
   q   quit without saving changes
   s   create a new empty Sun disklabel
   t   change a partition's system id
   u   change display/entry units
   v   verify the partition table
   w   write table to disk and exit
   x   extra ......

Linux °²×°mysql

 
1¡¢¶þ½øÖÆÎļþ£¨tar.gz£©°²×°
ÏÈ´´½¨Óû§ºÍÓû§×é
 su - root
groupadd mysql
useradd -g mysql mysql
½âѹ¶þ½øÖÆÎļþ¡£
gunzip -c filename | tar -xf -
¸´ÖÆĿ¼/home/mysqlµ½/usr/local£»
´´½¨mysqlÐí¿É±í£º
linux:/usr/local/mysql #scripts/mysql_install_db --user=mysql
ÉèÖöþ½øÖÆËùÓÐȨ£¬Ê¹Ö®¹érootËùÓУ¬²¢ÊôÓÚmysqlËùÔÚ¹ÜÀí×飺
linux:/usr/local/mysql # chown -R root /usr/local/mysql
linux:/usr/local/mysql # chgrp -R mysql/usr/local/mysql
½«Êý¾ÝĿ¼µÄËùÓÐȨÉèÖÃΪmysql¹ÜÀíÓû§£º
linux:/usr/local/mysql # chown -R mysql /usr/local/mysql/data
Æô¶¯·þÎñÆ÷£º
linux:/usr/local/mysql # bin/mysqld_safe --user=mysql &
µÇÈ룺
linux:/usr/local/mysql # bin/mysql -u mysql
mysql>show databases;
×î³õÖ»ÓÐÁ½¸ö£ºtest£¬information_schema£»
ÒÔrootÉí·ÝµÇÈëÔòÓÐËĸö¡£
ÔËÐÐÃüÁîbin/mysql -u root -p£¬´Ëʱ½«³öÏÖpassword:£¨ÒªÇóÊäÈëÃÜÂ룩£¬µ«Ä¬ÈÏÇé¿öÏÂrootÓû§Ã»ÓÐÃÜÂ룬ËùÒԻسµ¼´¿É¡£´Ëʱ½«½øÈëMySQL½çÃ棬µ±È»ÈÔȻֻÊǸöÃüÁîÐд°¿Ú¶øÒÔ¡£
 
2¡¢´´½¨Óû§²¢ÊÚȨ
´´½¨Ò»¸ö¿ÉÒÔ´ÓÈκεط½Á¬½Ó·þÎ ......

LinuxµÄread/write¡¢fread/fwrite¡¢open/fopenÇø±ð

1,freadÊÇ´ø»º³åµÄ,read²»´ø»º³å.
2,fopenÊDZê×¼cÀﶨÒåµÄ,openÊÇPOSIXÖж¨ÒåµÄ.
3,fread¿ÉÒÔ¶ÁÒ»¸ö½á¹¹.readÔÚlinux/unixÖжÁ¶þ½øÖÆÓëÆÕͨÎļþûÓÐÇø±ð.
4,fopen²»ÄÜÖ¸¶¨Òª´´½¨ÎļþµÄȨÏÞ.open¿ÉÒÔÖ¸¶¨È¨ÏÞ.
5,fopen·µ»ØÖ¸Õë,open·µ»ØÎļþÃèÊö·û(ÕûÊý).
6,linux/unixÖÐÈκÎÉ豸¶¼ÊÇÎļþ,¶¼¿ÉÒÔÓÃopen,read.
Èç¹ûÎļþµÄ´óСÊÇ8k¡£
ÄãÈç¹ûÓÃread/write£¬ÇÒÖ»·ÖÅäÁË2kµÄ»º´æ£¬ÔòÒª½«´ËÎļþ¶Á³öÐèÒª×ö4´Îϵͳµ÷ÓÃÀ´Êµ¼Ê´Ó´ÅÅÌÉ϶Á³ö¡£
Èç¹ûÄãÓÃfread/fwrite£¬Ôòϵͳ×Ô¶¯·ÖÅ仺´æ£¬Ôò¶Á³ö´ËÎļþÖ»ÒªÒ»´Îϵͳµ÷ÓôӴÅÅÌÉ϶Á³ö¡£
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Èç¹û³ÌÐò¶ÔÄÚ´æÓÐÏÞÖÆ£¬ÔòÓÃread/write±È½ÏºÃ¡£
¶¼ÓÃfread ºÍfwrite,Ëü×Ô¶¯·ÖÅ仺´æ,ËٶȻáºÜ¿ì,±È×Ô¼ºÀ´×öÒª¼òµ¥¡£Èç¹ûÒª´¦ÀíһЩÌØÊâµÄÃèÊö·û,ÓÃread ºÍwrite,ÈçÌ×½Ó¿Ú,¹ÜµÀÖ®ÀàµÄ
ϵͳµ÷ÓÃwriteµÄЧÂÊÈ¡¾öÓÚÄãbufµÄ´óСºÍÄãҪдÈëµÄ×ÜÊýÁ¿£¬Èç¹ûbuf̫С£¬Äã½øÈëÄں˿ռäµÄ´ÎÊý´óÔö£¬Ð§Âʾ͵ÍÏ¡£¶øfwrite»áÌæÄã×ö»º´æ£¬¼õÉÙÁËʵ¼Ê³öÏÖµÄϵͳµ÷Óã¬ËùÒÔЧÂʱȽϸߡ£
Èç¹ûÖ»µ÷ÓÃÒ»´Î(¿ÉÄÜÂð?)£¬ÕâÁ©²î²»¶à£¬ÑϸñÀ´ËµwriteÒª¿ìÒ»µãµã(ÒòÎ ......

±¾ÎĽ²ÊöÁËLinuxÃüÁîÐÐÐÞ¸ÄIP¡¢Íø¹Ø¡¢DNSµÄ·½·¨

·½Ê½Ò»£º
ifconfig eth0 192.168.1.18 netmask 255.255.255.0
˵Ã÷£º¸ÃÖÖ·½Ê½¿ÉÒÔʹ¸Ä±ä¼´Ê±ÉúЧ£¬ÖØÆôºó»á»Ö¸´ÎªÔ­À´µÄIP
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vi /etc/sysconfig/network-scripts/ifcfg-eth0
˵Ã÷£º¸Ã·½Ê½ÒªÖØÆôºóÉúЧ£¬ÇÒÊÇÓÀ¾ÃµÄ
Èç¹ûÒªÁ¢¼´¸ü¸ÄÇÒÓÀ¾ÃÉúЧ£¬¾ÍÖ»ÄÜÒÔÉÏÁ½ÖÖ·½Ê½Í¬Ê±Ê¹ÓÃÁË¡£
ÒÔÉÏÊÇͨ¹ýlinuxÃüÁîÐÐÐÞ¸ÄIPµÄ·½·¨¡£
Íø¿¨eth0    IPÐÞ¸ÄΪ 102.168.0.1   
ifconfig eth0 102.168.0.1 netmask 255.255.255.0
Íø¹ØÐÞ¸ÄΪ 102.168.0.254
route add default gw 102.168.0.254
LinuxÃüÁîÐÐÐÞ¸Ädns
echo "nameserver 202.202.202.20 ">> /etc/resolv.conf
ÖØÆôÍøÂç·þÎñ
Àý×Ó£ºÓÉÔ­À´µÄDHCP¸Ä¹Ì¶¨IP
DEVICE=eth0
HWADDR=00:0C:29:F7:EF:BF
ONBOOT=yes
TYPE=Ethernet
NETMASK=255.255.255.0
IPADDR=192.168.0.68
GATEWAY=192.168.0.1
¼ÓÉϺìÉ«¼´¿É
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/etc/init.d/network restart
ifconfig eth0 ÐÂip
È»ºó±à¼­/etc/sysconfig/network-scripts/ifcfg-eth0£¬ÐÞ¸Äip
[aeolus@db1 network-scripts]$ vi ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=219.136.241.211
NETMASK=255.255 ......

Oracle Linux Æð動¤ÈÍ£Ö¹¤Î×Ô動»¯

¤½¤ÎËû¤Î¥ª¥Ú¥ìー¥Æ¥£¥ó¥°?¥·¥¹¥Æ¥à¤Ë¤ª¤±¤ë¥Çー¥¿¥Ùー¥¹¤ÎÆð動¤ÈÍ£Ö¹¤Î×Ô動»¯
dbstart¤ª¤è¤Ódbshut¥¹¥¯¥ê¥×¥È¤òʹÓ䷤ƥÇー¥¿¥Ùー¥¹¤ÎÆð動¤ÈÍ£Ö¹¤ò×Ô動»¯¤¹¤ë¤Ë¤Ï¡¢´Î¤ÎÊÖ順¤ò実ÐФ·¤Þ¤¹¡£
root¥æー¥¶ー¤Ç¥í¥°¥¤¥ó¤·¤Þ¤¹¡£
¥×¥é¥Ã¥È¥Õ¥©ー¥à¤Îoratab¥Õ¥¡¥¤¥ë¤ò編¼¯¤·¤Þ¤¹¡£
¥Õ¥¡¥¤¥ë¤ò開¤¯¤Ë¤Ï¡¢´Î¤Î¤¤¤º¤ì¤«¤Î¥³¥Þ¥ó¥É¤òʹÓä·¤Þ¤¹¡£
Solaris¤Î場ºÏ
# vi /var/opt/oracle/oratab
AIX¡¢HP-UX¤ª¤è¤ÓLinux¤Î場ºÏ
# vi /etc/oratab
oratab¥Õ¥¡¥¤¥ëÄڤΥÇー¥¿¥Ùー¥¹?¥¨¥ó¥È¥ê¤Ï¡¢´Î¤ÎÐÎʽ¤Ç±íʾ¤µ¤ì¤Þ¤¹¡£
SID:ORACLE_HOME:{Y|N|W}
¤³¤ÎÀý¤Î値Y¤ª¤è¤ÓN¤Ï¡¢¥¹¥¯¥ê¥×¥È¤Ç¥Çー¥¿¥Ùー¥¹¤ÎÆð動¤Þ¤¿¤ÏÍ£Ö¹¤ò実ÐФ¹¤ë¤«¤É¤¦¤«¤òÖ¸¶¨¤·¤Þ¤¹¡£×î³õ¤Ë¡¢Í£Ö¹¤ÈÆð動¤ò×Ô動»¯¤¹¤ë¥Çー¥¿¥Ùー¥¹¤´¤È¤Ë¡¢¥Çー¥¿¥Ùー¥¹¤Î¥¤¥ó¥¹¥¿¥ó¥¹識別×Ó£¨SID£©¤òÅÐ別¤·¤Þ¤¹¡£¤³¤ì¤Ï¡¢×î³õ¤Î¥Õ¥£ー¥ë¥É¤ÎSID¤Ç識別¤µ¤ì¤Þ¤¹¡£´Î¤Ë¡¢×îáá¤Î¥Õ¥£ー¥ë¥É¤ò¤½¤ ......

Oracle Linux Æð動¤ÈÍ£Ö¹¤Î×Ô動»¯

¤½¤ÎËû¤Î¥ª¥Ú¥ìー¥Æ¥£¥ó¥°?¥·¥¹¥Æ¥à¤Ë¤ª¤±¤ë¥Çー¥¿¥Ùー¥¹¤ÎÆð動¤ÈÍ£Ö¹¤Î×Ô動»¯
dbstart¤ª¤è¤Ódbshut¥¹¥¯¥ê¥×¥È¤òʹÓ䷤ƥÇー¥¿¥Ùー¥¹¤ÎÆð動¤ÈÍ£Ö¹¤ò×Ô動»¯¤¹¤ë¤Ë¤Ï¡¢´Î¤ÎÊÖ順¤ò実ÐФ·¤Þ¤¹¡£
root¥æー¥¶ー¤Ç¥í¥°¥¤¥ó¤·¤Þ¤¹¡£
¥×¥é¥Ã¥È¥Õ¥©ー¥à¤Îoratab¥Õ¥¡¥¤¥ë¤ò編¼¯¤·¤Þ¤¹¡£
¥Õ¥¡¥¤¥ë¤ò開¤¯¤Ë¤Ï¡¢´Î¤Î¤¤¤º¤ì¤«¤Î¥³¥Þ¥ó¥É¤òʹÓä·¤Þ¤¹¡£
Solaris¤Î場ºÏ
# vi /var/opt/oracle/oratab
AIX¡¢HP-UX¤ª¤è¤ÓLinux¤Î場ºÏ
# vi /etc/oratab
oratab¥Õ¥¡¥¤¥ëÄڤΥÇー¥¿¥Ùー¥¹?¥¨¥ó¥È¥ê¤Ï¡¢´Î¤ÎÐÎʽ¤Ç±íʾ¤µ¤ì¤Þ¤¹¡£
SID:ORACLE_HOME:{Y|N|W}
¤³¤ÎÀý¤Î値Y¤ª¤è¤ÓN¤Ï¡¢¥¹¥¯¥ê¥×¥È¤Ç¥Çー¥¿¥Ùー¥¹¤ÎÆð動¤Þ¤¿¤ÏÍ£Ö¹¤ò実ÐФ¹¤ë¤«¤É¤¦¤«¤òÖ¸¶¨¤·¤Þ¤¹¡£×î³õ¤Ë¡¢Í£Ö¹¤ÈÆð動¤ò×Ô動»¯¤¹¤ë¥Çー¥¿¥Ùー¥¹¤´¤È¤Ë¡¢¥Çー¥¿¥Ùー¥¹¤Î¥¤¥ó¥¹¥¿¥ó¥¹識別×Ó£¨SID£©¤òÅÐ別¤·¤Þ¤¹¡£¤³¤ì¤Ï¡¢×î³õ¤Î¥Õ¥£ー¥ë¥É¤ÎSID¤Ç識別¤µ¤ì¤Þ¤¹¡£´Î¤Ë¡¢×îáá¤Î¥Õ¥£ー¥ë¥É¤ò¤½¤ ......
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