lssh | List selection type ssh / scp / sftp client command | SSH Utils library
kandi X-RAY | lssh Summary
kandi X-RAY | lssh Summary
This command utility to read a prepared list in advance and connect ssh/scp/sftp the selected host. List file is set in yaml format. When selecting a host, you can filter by keywords. Can execute commands concurrently to multiple hosts. lssh also has a shell (parallel shell) that connects to multiple hosts at the same time and pipes the execution results of local commands and remote hosts. In addition, lsftp also has a shell that can be connected in parallel. Supported multiple ssh proxy, http/socks5 proxy, x11 forward, and port forwarding.
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QUESTION
I want to make a library for testing and for this purpose, I wanna make a c program just returning some char*
. I have built it based on cmake
. this is my cmake file:
ANSWER
Answered 2020-Aug-03 at 06:21First of all, the error message comes from linker, it does not find symbol getcpuusage
.
The reason for this is, your info.cpp is C++ source file, while main.c is C source file. By default (to allow for example function overloading) C++ does so called name-mangling to all C++ functions, basically combining function name with its parameter types to create symbol name (which looks mangled and messy to a human). The file names of your source files matter, because cmake determines how to compile the file from that, so in this case it compiles one with C compiler and other with C++ compiler.
There are 3 direct solutions:
Use only C++, in other words rename main.c to main.cpp. It would be good to use C++ headers and library in that case, so don't use for example
stdio.h
either, prefer C++ libraries.Use only C, in other words rename info.cpp to info.c (and remove any C++ code from it, but in this case it doesn't have any).
Tell C++ compiler to not do name mangling. This can be done using
extern "c"
when declaring the function (and then you must not use overloads):
info.h:
QUESTION
I am getting an error every time I try to compile my code with gcc on Ubuntu.
I installed libssh-dev by typing:
...ANSWER
Answered 2019-Jan-19 at 11:46Try to compile with:
QUESTION
This is the first time I am implementing ssh programmatically and I am baffled about why my code does not work -- to be more specific, ssh_channel_read() keeps returning 0 bytes read. I don't know what I am doing wrong! I have been following the API instructions step by step but I am obviously omitting something inadvertently.
I am trying to connect to my Pi with a user name + password. Here is the complete code, you can just copy paste this and compile it with:
g++ main.cpp -lssh -o myapp
After the code, you can see the output I am getting. Please don't be harsh, like I said, this is the first time I am dealing with SSH:
...ANSWER
Answered 2018-May-19 at 05:18ssh_channel_new
allocated the resources for a new channel. It does not open it.
Depending on what you are trying to achieve you should then call an appropriate ssh_channel_open_XXXX
function on that channel.
A simple example can be found here: https://github.com/substack/libssh/blob/c073979235eb0d0587ac9cb3c192e91e32d34b06/examples/exec.c
First ssh_channel_open_session
is called to open a session (shell) channel, and then ssh_channel_request_exec
is called to execute the lsof
command.
How/when you will write to the channel depends on the type of channel you have opened. An example of writing to a session channel (after calling cat > /dev/null
on the host to pipe written data to /dev/null) can be seen here: https://github.com/substack/libssh/blob/c073979235eb0d0587ac9cb3c192e91e32d34b06/examples/senddata.c
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