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:
What does `cat-file` stand for in git? - Stack Overflow While cat does stand for "concatenate", what it actually does is simply display one or multiple files, in order of their appearance in the command line arguments to cat The common pattern to view the contents of a file on Linux or *nix systems is: cat <file> The main difference between cat and Git's cat-file is that it only displays a single file (hence the -file part) Git's cat-file doesn't
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
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
What are good grep tools for Windows? - Stack Overflow Any recommendations on grep tools for Windows? Ideally ones that could leverage 64-bit OS I'm aware of Cygwin, of course, and have also found PowerGREP, but I'm wondering if there are any hidden