linux - How does cat lt; lt; EOF work in bash? - Stack Overflow The cat <<EOF syntax is very useful when working with multi-line text in Bash, eg when assigning multi-line string to a shell variable, file or a pipe Examples of cat <<EOF syntax usage in Bash:
Decoding facebooks blob video url - Stack Overflow This method will get the video and its audio AS SEPARATE FILES The downloaded video will have no sound, but you will be able to download its audio file and connect it to the video in some video editing program if you need to In Google Chrome, go to Facebook Open the Chrome Developer Tools (F12) Go to the Network tab in the Developer Tools (it's at the top of the Developer Tools window
How does an SSL certificate chain bundle work? - Stack Overflow The original order is in fact backwards Certs should be followed by the issuing cert until the last cert is issued by a known root per IETF's RFC 5246 Section 7 4 2 This is a sequence (chain) of certificates The sender's certificate MUST come first in the list Each following certificate MUST directly certify the one preceding it See also SSL: error:0B080074:x509 certificate routines:X509
No such file or directory but it exists - Stack Overflow I think that something was wrong with the file what I've done: open a ssh session to the server cat filename copy the output to the clipboard rm filename touch filename vi filename i for insert mode paste the content from the clipboard ESC to end insert mode :wq! This worked for me
linux - Retrieve last 100 lines logs - Stack Overflow I need to retrieve last 100 lines of logs from the log file I tried the sed command sed -n -e '100,$p' logfilename Please let me know how can I change this command
What does cat -A command option mean in Unix - Stack Overflow I'm currently working on a Unix box and came across this post which I found helpful, in order to learn about cat command in Unix At the bottom of the page found this line saying: -A = Equivalent t