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Stable Wheezy
1. ÉèÖòâÊÔ°æ/²»Îȶ¨°æµÄaptÔ´

µÚÒ»²½ÊǰѲâÊÔ°æ/²»Îȶ¨°æµÄÔ´¼Óµ½ÄãµÄsources.listÎļþÀï¡£ÔÚDebian WheezyϵͳÉÏ£¬/etc/apt/sources.listÀíÓ¦³¤µÃÏñÕâÑù£º

$ cat /etc/apt/sources.list

...
deb http://security.debian.org/ wheezy/updates main
deb http://http.us.debian.org/debian/ wheezy main
deb-src http://security.debian.org/ wheezy/updates main
...

°ÑÄãrepo·þÎñÆ÷µÄÁ´½Ó¼ÇÏÂÀ´£¬±ÈÈ磺http://http.us.debian.org/debian/

Õâ¸örepo·þÎñÆ÷½«»áÊÇÀëÄã×î½üµÄÒ»¸ö·þÎñÆ÷£» ÔÚ²»Í¬µÄµØÀíλÖûáÓв»Í¬µÄurl£¬Õâ¸ö½«»áÓÃÓÚÏÂÒ»²½¡£

Èç¹ûÏë¼Ó²âÊÔ/²»Îȶ¨Ô´£¬ÔòÐèÒªÔÚsources.listÎļþ¼ÓÉÏÕâЩ¶«Î÷£º

# Testing repository - main, contrib and non-free branches
deb http://http.us.debian.org/debian testing main non-free contrib
deb-src http://http.us.debian.org/debian testing main non-free contrib
# Testing security updates repository
deb http://security.debian.org/ testing/updates main contrib non-free
deb-src http://security.debian.org/ testing/updates main contrib non-free
# Unstable repo main, contrib and non-free branches, no security updates here
deb http://http.us.debian.org/debian unstable main non-free contrib
deb-src http://http.us.debian.org/debian unstable main non-free contrib

¸ñʽ½«»áÊÇ

deb
(deb <ÉÏÒ»²½ÅªµÄ·þÎñÆ÷»ò¾µÏñurl>)

µ±È»À²£¬³ýÁËÓÃtesting»òÕßunstableÕâôÀõĴʣ¬Ò²ÄÜʹÓÃËûÃǵķ¢Ðаæ´úºÅ£¬±ÈÈçJessie»òÕßSid

deb http://http.us.debian.org/debian jessie main non-free contrib
deb http://security.debian.org/ jessie/updates main contrib non-free
deb http://http.us.debian.org/debian sid main non-free contrib

2. ¶¤×¡ apt£¡Õâ·Ç³£ÖØÒª

ÔÚ¼ÓÁ˲âÊÔ/²»Îȶ¨µÄrepoÖ®ºó£¬µ±Äã¸üÐÂϵͳµÄʱºòËùÓа²×°¹ý²¢ÇÒ¿ÉÓõÄÈí¼þ¾Í»áÁ¢Âí¸üУ¬¶øºóÄãµÄϵͳ¾Í±»ÄãÍæ»ð×Ô·ÙÁË¡£

ËùÒÔÐèÒªÉèÖÃһЩ¹æÔò£¬ÒÔ±ãÑ¡¶¨µÄÈí¼þ°üÔÚÕý³£µÄ¸üÐÂʱ²»»á±»¸üе½Ò»¸ö²»Îȶ¨µÄ²âÊÔ°æ±¾¡£

ÎÒÃÇÐèҪʹÓá°¶¤×¡APT¡±µÄ·½Ê½À´¸æËßaptϵͳ£¬³ýÁËÎÒÃÇÏ£ÍûʹÓòâÊÔ°æ»ò²»Îȶ¨°æµÄÌØ¶¨Èí¼þ°üÖ®Í⣬ÆäËüµÄ×ÜÊÇʹÓÃÎȶ¨°æµÄÈí¼þ°üÀ´¸üС£

¿ÉÒÔͨ¹ýÈçÏÂÁ½¸öÎļþÖ®Ò»À´ÉèÖÃÈçºÎÉèÖÃAPTµÄÓÅÏȼ¶À´¡°¶¤×¡¡±¡£

/etc/apt/preferences
»ò
/etc/apt/preferences.d/my_preferences

´ò¿ªÕâÁ½¸öÎļþÖ®Ò»£¨Èç¹ûûÓеϰ¾Í´´½¨Ò»¸ö£©£¬È»ºóÊäÈëÈçÏÂÄÚÈÝ£º

Package:*
Pin: release a=stable
Pin-Priority:700
Package:*
Pin: release a=testing
Pin-Priority:650
Package:*
Pin: release a=unstable
Pin-Priority:600

Ç°ÃæÎÒÃÇÌáµ½¹ý£¬Îȶ¨°æÖ¸µÄÊÇÄ㵱ǰµÄdebian°æ±¾£¬²âÊÔ°æÊÇÏÂÒ»¸ö£¬¶ø²»Îȶ¨°æÔòÊǸüÔ¶µÄ½«À´·¢Ðа档ÉÏÃæµÄÉèÖÃÖÐ×îÖ÷ÒªµÄÊÇÓÅÏȼ¶£¨Pin-Priority£©¡£µ±Ç°µÄÎȶ¨°æÓ¦¸ÃÓÐ×î¸ßµÄÓÅÏȼ¶£¬Õâ¾ÍÊÇ˵£¬Õý³£µÄapt-get²Ù×÷Ö»»á´Óµ±Ç°µÄÎȶ¨°æµÄÈí¼þ¿â£¨ÏÖÔÚÊÇwheezy£©ÀïÃæ°²×°Èí¼þ¡£
¸üаü»º´æ

ÔÚÔö¼ÓÁËеÄÈí¼þ¿âºÍÖ¸¶¨ÁËÓÅÏȹæÔòºó£¬ÐèÒª¸üÐÂһϰü»º´æ¡£

$ sudo apt-get update

È·ÈÏAPT¹æÔò

ÎÒÃDZØÐëÈ·ÈÏ¡°¶¤×¡¡±µÄÉèÖÃÕýÈ·£¬ÓÅÏȼ¶Ò²Ã»ÎÊÌ⡣ʹÓà apt-cache µÄ policy ²ÎÊýÀ´¼ì²é£º

$ apt-cache policy apache2
apache2:
Installed:(none)
Candidate:2.2.22-13
Version table:
2.4.7-10
600 http://http.us.debian.org/debian/ unstable/main amd64 Packages
2.4.6-30
650 http://http.us.debian.org/debian/ testing/main amd64 Packages
2.2.22-130
700 http://http.us.debian.org/debian/ wheezy/main amd64 Packages

ÈçÉϵÄÊä³ö£¬È·ÈÏÔÚwheezy Îȶ¨°æÖУ¬ 2.2.22 °æ±¾µÄApacheÊÇÑ¡¶¨µÄ°æ±¾£¬ËüÓÐ×î¸ßµÄÓÅÏȼ¶¡£
3. ´Ó²âÊÔ°æ/²»Îȶ¨°æÈí¼þ¿âÖа²×°Èí¼þ

ÏÖÔÚ¿ÉÒÔ´Ó²âÊÔ°æ»ò²»Îȶ¨°æÖÐÑ¡ÔñÒ»¸öÌØ¶¨µÄÈí¼þÀ´°²×°ËüÁË¡£¼ÙÈç˵ÎÒÃÇÒª´Ó²âÊÔ°æÈí¼þÔ´Öа²×° apache2¡£

ÓÐÁ½¸ö²»Í¬µÄ·½·¨£¬²¢ÇÒÆä½á¹ûÒ²ÓÐËù²»Í¬¡£
·½Ê½Ò»

# apt-get install apache2/testing

ÉÏÊöÃüÁî»á´Ó²âÊÔ°æÈí¼þ¿âÖа²×° apache2£¬²¢´ÓÎȶ¨°æÈí¼þ¿âÖа²×°ÆäÒÀÀµ°ü£¨Îȶ¨°æÍ¨¹ýapt¹æÔòÈ·¶¨£©¡£Õâ¸öÃüÁîÔÚijЩÇé¿öÏ»áʧ°Ü£¬±ÈÈç°²×°µÄÈí¼þ°ü£¨apache2£©ËùÐèµÄÒÀÀµ°üÔÚÎȶ¨°æÈí¼þ¿âÖÐûÓиüе½¿ÉÒÔÖ§³Ö¸ÃÈí¼þʱ¡£
·½Ê½¶þ

# apt-get -t testing install apache2

ÉÏÊöÃüÁî»á´Ó²âÊÔ°æÈí¼þ¿âÖа²×°apache2£¬²¢´Ó²âÊÔ°æÈí¼þ¿âÖа²×°ÆäÒÀÀµ°ü¡£ÕâÒª±ÈÉÏÃæµÄÃüÁ×÷µÄ¸üºÃ¡£

ËùÒÔ£¬Òª°²×°½ÏеÄÈí¼þ°ü£¬Ö±½Ó´Ó²âÊÔ°æ/²»Îȶ¨°æµÄÈí¼þ¿âÖа²×°¾ÍÐÐÁË¡£×¢Ò⣬ÓÅÏȼ¶ºÅÂë²»Ö»ÊÇÒ»¸öÊý×Ö¶øÒÑ£¬»¹ÓÐÆäÌØ¶¨ÒâÒå¡£¿ÉÒԲ鿴 apt_preferencesµÄmanÒ³ÃæÁ˽â¸ü¶à£º

$ man 5 apt_preferences

×ܽá

ʹÓá°¶¤×¡¡±·½Ê½µÄ²âÊÔ°æ/²»Îȶ¨°æµÄÈí¼þ¿âÊÇÒ»¸ö»ñÈ¡½Ïа汾Èí¼þ°üµÄÒ»¸öºÃ°ì·¨£¬²»¹ýÆäʵ²¢²»ÍƼöʹÓÃËüÃÇ¡£Èç¹ûŪ´íÁË£¬¿ÉÄÜ»á´ÓÒ²Ðí²»¼æÈݵķÖÖ§ÉÏÏÂÔØÈí¼þ°ü£¬Õâ»á°ÑÄãµÄϵͳ¸ãÂÒ¡£

Ò»¸ö¸üºÃµÄ·½Ê½ÊÇ£¬Ê¹ÓÃÏòºóÒÆÖ²µÄÈí¼þ¿âÀ´°²×°¸üеİü¡£Ëü´Ó²âÊÔ°æºÍ²»Îȶ¨°æµÄÈí¼þ¿âÖлñÈ¡½Ïа汾µÄÈí¼þ°ü£¬µ«ÊÇΪµ±Ç°µÄÎȶ¨°æÈí¼þ¿â¶ø±àÒë¡£ËùÒÔ£¬¶ÔÓÚ debian wheezyÀ´Ëµ£¬Äã¿ÉÒÔʹÓÃwheezy-backports Èí¼þ¿â¡£·ÃÎÊhttp://backports.debian.org/ Á˽â¸ü¶à¡£
×ÊÔ´

https://wiki.debian.org/AptPreferences
https://wiki.debian.org/DebianTesting
https://www.debian.org/security/

via: http://www.binarytides.com/enable-testing-repo-debian/

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