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step 1)ÏÂÔØÔ´´úÂë°üµ½±¾µØLinuxÖ÷»ú£¬È»ºó½âѹËõ£¬½øÈë¸ÃĿ¼£¬½øÐÐÅäÖ㬱àÒëºÍ°²×°
ÏÂÔØmysql5Ô´Âëmysql-5.0.18.tar.gzµ½Ä¿Â¼/usr/local
cd /usr/local
tar xzvf mysql-5.0.18.tar.gz
cd mysql-5.0.18
./configure --prefix=/usr/local/mysql
make && make install
make¹ý³Ì»¨µÄʱ¼ä±È½Ï³¤
step 2)ÅäÖÃ
cp support-files/my-medium.cnf /etc/my.cnf
vi /etc/my.cnf ¼ÓÈëÒÔÏÂÁ½Ðв¢±£´æ
  log-error=/var/lib/mysql/data/x.err
  datadir= /var/lib/mysql/data
cd /usr/local/mysql
bin/mysql(¿ÉÄܻᱧ´íCan't connect to local MySQL server through socket '/tmp/mysql.sock' (2) )
È»ºó
 scripts/mysql_install_db --user=mysql
bin/mysqld_safe
ÔÙ
 /usr/local/mysql/bin/mysql¾ÍokÁË
PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
To do so, start the server, then issue the following commands:
/usr/bin/mysqladmin -u root password 'new-password'
/usr/bin/mysqladmin -u root -h localhost.localdomain password 'new-password'


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1.# ±íʾȨÏÞÓû§(Èç:root),$ ±íʾÆÕͨÓû§
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ogin:ÊäÈëÓû§Ãû
password:ÊäÈë¿ÚÁî Óû§ÊÇϵͳע²áÓû§³É¹¦µÇ½ºó£¬¿ÉÒÔ½øÈëÏàÓ¦µÄÓû§»·¾³.
Í˳öµ±Ç°shell,ÊäÈë:exit
2.useradd netseek Ìí¼ÓÒ»¸önetseekÓû§
passwd netseek ¸ønetseekÕâ¸öÓû§ÉèÖÃÃÜÂë.
(/etc/passwd /etc/group)
userdel netseek É ......

Linux ³£ÓÃÃüÁ


1. ×î³£ÓõÄÃüÁîÁбí
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cat£¬ÏÔʾÎļþÄÚÈÝ¡£
cd£¬¸Ä±äĿ¼·¾¶¡£
cp£¬¸´ÖÆÎļþ¡£
find£¬²éÕÒÎļþ¡£
grep£¬ËÑË÷¡¢¹ýÂËÐÅÏ¢¡£
ls£¬ÁгöĿ¼ÐÅÏ¢¡£
more£¬·ÖÒ³ÏÔʾ¡£
rm£¬É¾³ýÎļþ»òĿ¼¡£
vi£¬µ÷ÓÃviÎı¾±à¼­Æ÷ ......

Linux I2C InputÉ豸Çý¶¯´úÂëµÄ¼¸µãÀí½â

×î½üÔÚ×öÒ»¸öI2C¼üÅ̵ÄLinuxÇý¶¯£¬²Î¿¼ÁËÆäËûоƬµÄһЩ´úÂ룬ÆäÖÐÂ½Ðø·¢ÏÖÓÐЩÈÃÈËÃÔ»óµÄ¶«Î÷£¬°ÑÎÒµÄÃÔ»ó¼°Àí½âÔÚÕâÀï¼ÓÒԼǼ£º
1. i2c_driver½á¹¹ÌåµÄprobe³ÉÔ±µÄÔ­ÐÍ£º
     int (*probe)(struct i2c_client *, const struct i2c_device_id *);
¼´£ºprobeº¯Êý±»µ÷ÓÃʱ»á´ÓÉϱߴ«Á½¸ö¸ö²Î ......

linuxϵͳÖÐÃüÁîµÄʹÓÃÏê½â


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Ãû³Æ£ºcat
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ʹÓ÷½Ê½£ºcat [-AbeEnstTuv] [--help] [--version] fileName
˵Ã÷£º°Ñµµ°¸´®Á¬½Óºó´«µ½»ù±¾Êä³ö£¨Ó©Ä»»ò¼Ó > fileN ......

Linux¿ªÆôTelnet(RHEL5)

Linux¿ªÆôTelnet£¨¸½RHEL5)
 
1¡£Èç¹û°²×°ÁËtelnet¡¢telnet-serverµÄrpm°ü£¬¾ÍÌøµ½2¡££¬·ñÔò°²×°Õâ¸ö°ü¡£
2¡£ÐÞ¸Ätelnet·þÎñÅäÖÃÎļþ
vi /etc/xinetd.d/telnet
service telnet
{
disable = yes
flags = REUSE
socket_type = stream
wait = no
user = root
server = /usr/sbin/in.telnetd
log_on_failur ......
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