Authorized_keys fileThe remote host stores the user's public key in the $home/.ssh/authorized_keys file of the user's home directory after logging in. The public key is a string, just append it to the end of the Authorized_keys file.Instead of using
Flag of the test
Representative meaning
1. Determine the "file type" for a file name, such as TEST-E filename indicates that there is no
-E
Does the "file name" exist? Common
-F
Does the "file
FG, BG, Jobs, &, CTRL + Z are all related to system tasks, although these commands are largely not needed now, but they are also usefulOne. & is most often usedThis is used at the end of a command, you can put this command in the background to
From: http://blog.csdn.net/zll01/article/details/5018413In the actual application of the site construction, prone to a lot of small mistakes, like MySQL was optimized not in place, the impact of the overall site browsing effect, in fact, the site's
HTTP error Code table all HTTP status codes and their definitions.Code indication2XX success200 normal; The request is complete.201 Normal; Immediately after the POST command.202 normal; Accepted for processing, but processing is not yet complete.203
In the website log , we often see a lot of HTTP code returned, such as 201, 304, 404, and so on. However, these specific return HTTP code exactly what the meaning of it, do a bit of knowledge in this, remember it doesn't matter, then look at the
In the website log , we often see a lot of HTTP code returned, such as 201, 304, 404, and so on. However, these specific return HTTP code exactly what the meaning of it, do a bit of knowledge in this, remember it doesn't matter, then look at the
HTTP Status Code meaningThe status code (also known as the error code) refers to the 3-digit code assigned to each request (Web click) received by the server. Most active web clicks have status code 200 ("normal"). If page is not found, a common 404
Before considering this question, we must first understand who is you? Who am I?
Who are you asking this question? I am the one who sent it by myself. What will happen.
It is assumed that there is a clone, cloned by your cell, and transplanted
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