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Wording of a statistics question

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Sorting sequences independent of color

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apt-cache implementation

How to use apt-get to install packages without one specify package?How does apt-get suggestion works?How does APT work (apt-get, cache, search)System freezes, apt-cache running 100% for an hour?

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3

I am looking at the apt-cache implementation. How does apt-cache create and updates the local package cache? Is it periodic or manual? As far as my investigation, it is manual (apt-get update).

When we run "apt-get update", does it download all the packages information or does the current state of cache (like all package information and version) be sent to the server then the client machine (where apt-get update is running) gets only what has changed compared with local cache information?

fyi, I am using Linux 4.4.0-18362-Microsoft. "apt-config dump" command output doesn't show "APT::Cache::Generate".

apt apt-cache apt-cacher-ng apt-cacher

share|improve this question

edited Sep 19 at 17:27

kavitha R

asked Sep 19 at 17:17

kavitha Rkavitha R

3111 bronze badge

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I would suggest to read its source code - see salsa.debian.org/apt-team/apt/blob/master/cmdline/apt-cache.cc .
  
  – N0rbert
  Sep 19 at 19:42
  

  
  
  
  

add a comment
 | 

3

I am looking at the apt-cache implementation. How does apt-cache create and updates the local package cache? Is it periodic or manual? As far as my investigation, it is manual (apt-get update).

When we run "apt-get update", does it download all the packages information or does the current state of cache (like all package information and version) be sent to the server then the client machine (where apt-get update is running) gets only what has changed compared with local cache information?

fyi, I am using Linux 4.4.0-18362-Microsoft. "apt-config dump" command output doesn't show "APT::Cache::Generate".

apt apt-cache apt-cacher-ng apt-cacher

share|improve this question

edited Sep 19 at 17:27

kavitha R

asked Sep 19 at 17:17

kavitha Rkavitha R

3111 bronze badge

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I would suggest to read its source code - see salsa.debian.org/apt-team/apt/blob/master/cmdline/apt-cache.cc .
  
  – N0rbert
  Sep 19 at 19:42
  

  
  
  
  

add a comment
 | 

I am looking at the apt-cache implementation. How does apt-cache create and updates the local package cache? Is it periodic or manual? As far as my investigation, it is manual (apt-get update).

When we run "apt-get update", does it download all the packages information or does the current state of cache (like all package information and version) be sent to the server then the client machine (where apt-get update is running) gets only what has changed compared with local cache information?

fyi, I am using Linux 4.4.0-18362-Microsoft. "apt-config dump" command output doesn't show "APT::Cache::Generate".

apt apt-cache apt-cacher-ng apt-cacher

share|improve this question

edited Sep 19 at 17:27

kavitha R

asked Sep 19 at 17:17

kavitha Rkavitha R

3111 bronze badge

share|improve this question

edited Sep 19 at 17:27

kavitha R

asked Sep 19 at 17:17

kavitha Rkavitha R

3111 bronze badge

share|improve this question

edited Sep 19 at 17:27

kavitha R

asked Sep 19 at 17:17

kavitha Rkavitha R

3111 bronze badge

asked Sep 19 at 17:17

kavitha Rkavitha R

3111 bronze badge

asked Sep 19 at 17:17

kavitha Rkavitha R

3111 bronze badge