Yrurtj

127 65 I think I understand the differences between an interactive, a login and a batch shell. See the following links for more help: What is the difference between a 'Login' and an 'Interactive' bash shell (from the sister site: serverfault.com) 2.1: Types of shell: interactive and login shells (from A User's Guide to the Z-Shell ) My question is, how can I test with a command/condition if I am on an interactive, a login or a batch shell? I am looking for a command or condition (that returns true or false ) and that I could also place on an if statement. For example: if [[ condition ]] echo "This is a login shell" fi shell share | improve this question ...

5 I am trying to create new users using useradd command using root credentials it is getting created properly but when I log in with the newly created user with its credentials using a PuTTY Console, I am able to enter the username but when I give the password, it hangs there for a long time until the PuTTY window session timeout happens and the window is closed. However when I use root credentials, it quickly enters the session. I tried checking the AllowUsers under file /etc/ssh/sshd_config but I didn't find any matching entry, so, I manually tried adding AllowUsers temipuser where temipuser is the username I created. Post making this change from another PuTTY Console I again tried entering this username but it is again the same. I am totally clueless why is this happening. Another thing is, if I add...

4 I'm trying to parse a usage message like: Usage: docker-compose [-f <arg>...] [options] [COMMAND] [ARGS...] docker-compose -h|--help ... Commands: build Build or rebuild services bundle Generate a Docker bundle from the Compose file ... to grab the Command names only. So I'm looking to skip all lines up to and including the Commands: line, then print the first word on all following lines, i.e. build bundle ... Currently I'm doing docker-compose --help | sed -e '1,/Commands:/d' | awk '{ print $1 }' and while this works, I suspect I could do the whole thing with a single awk . The closest I've got so far is: docker-compose --help | awk '/Commands:/,0 { print $1 }' But that includes the matched Comman...