I think an example is in order. Consider I have these two environment variables setup (by a Continuous Delivery tool): PACKAGE_VER=1.2.3 and USE_VERSION_FROM=PACKAGE_VER.
How can one read passwords in bash scripts in such a way that tools do not show it on a terminal?
I have the following if block in my bash script:
The two implementations are very similar but have some minor differences (and there might be more that was not yet noticed ofcourse), e.g.
I would like to configure bash to execute clear command every time I type some command in the terminal (before executing my command). How can I do that?
If I run history, I can see my latest executed commands.
login shell: A login shell logs you into the system as a specific user, necessary for this is a username and password. When you hit ctrl+alt+F1 to login into a virtual terminal you get after successful login: a login shell (that is interactive). Sourced files:
Some of the git commands have many options, and it would often be useful to search through them for the one I need – I was just looking for the option which controls the TAB width in git-gui, but there are about 200 completions for git config. An obvious workaround is to copy all the completions into an editor and search through them, but I’d rather do
cd - can move to the last visited directory. Can we visit more history other than the last one?
With a netcat listener like: