Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.
Show HTTP response header using curl
Answer:
To show the response of HTTP request to a specific server, you can use the "curl -i" command.
Example:
# curl -i "http://www.example.com"
HTTP/1.0 302 Found
Location: http://www.iana.org/domains/example/
Server: BigIP
Connection: Keep-Alive
Content-Length: 0Update: Thanks Robin Clowers for the update.
Remove the whole line when typing a command in Bash
Answer:
When you are typing a command in Bash shell, , to quickly remove the whole line, press "Ctrl + u" or "Ctrl + c"
This trick is very handy and should be known by all Bash users.
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How to query a domain name using a specific server
Answer:
To query a domain name using a specific server, you can use the following method:
# dig @8.8.8.8 google.com
In the above example, you are querying the domain google.com using the Google public DNS server. (8.8.8.8)
How to show the TXT record of a domain?
Answer:
To show the TXT record of a domain, use the dig command like:
# dig TXT google.com
That's it.
Remove the last word when typing a command in Bash
Answer:
When you are typing a command in Bash shell, , to quickly remove the last typed word, press "Ctrl + w"
This trick is very handy and should be known by all Bash users.
