5
No, a basic Bourne/POSIX shell (/bin/sh) cannot be expected to include any built-in facilities for TCP connections. See comparision of command shells in Wikipedia.
The bash shell would have TCP and UDP client capabilities with a special handling of certain filenames: for example, using /dev/tcp/<hostname>/<port> in input/output redirection on a ...
4
The easiest solution would be to use git-shell as the user's login-shell.
A detailed description on how to set this up can be found here: https://git-scm.com/docs/git-shell or alternatively on the git shell manpage man git shell
github
2
in Bash, execution of code after each command can be achieved using the "trap" builtin and the "DEBUG" level.
in bash do: help trap
or refer to bash manual page, and look for the trap section
example:
trap 'date' DEBUG
This will execute the command "date" juste after each command.
Of course you can format the timestamp as you want, refer to the "date" ...
2
Most probably you have a reference to a database 'rb' in the sql file rurdevdrpl.sql.
It could either be that rb has been defined as the default database with
USE rb;
or as an option to a sql statement like e.g.
INSERT INTO TABLE rb.test (a, b, c) VALUES (1, 2, 4);
So check your file for occurences of these two. To replace them you could use sed, but it'...
1
You can simply use SSH. Typically you would use a public/private key pair to allow the master to log into the slave without requiring a password.
Then use
SSH user@slave.IP "command"
Note that command can be a single command, a comma separated list of commands or even multiple lines. You can use single quotes for an exact command or double quotes if ...
1
You didn't specifically mention that the commands are to be invoked from the web-app, so I'll assume that's not the case, as this would make the question more 'solution specific'.
The simplest method, assuming you have ssh access.
Do this on the terminal of serverA:
$ cat > script.sh
cat /proc/sys/kernel/hostname
^C
$ scp script.sh ...
1
find ./ -maxdepth 1 \
-type d \
-name 'app-deployment-*' \
! -name 'app-deployment-245a578' \
-exec echo rm -rf {} +
Explanations:
-maxdepth 1 mean without recursion;
-type d mean search only for directories;
-name 'app-deployment-*' is a pattern of directories you are searching for;
! -name 'app-deployment-245a578' is a ...
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