I have a machines A B C. only Machine B have access to A & C. For machine A I have root access , machine B I have root access and for machine C I have User level access. 1.2.3.4 is the ip address assigned to machine B. When I am doing from machine A as scp -pr ./logs/ root@1.2.3.4:/common/tftpboot/
Tag: linux
INSTALL HTS 2.3 for HTK 3.4.1 on Ubuntu 16.04 has error
I want to install HTS 2.3 but when I try to make all I get this error what is the problem? I installed libx11-dev already. Answer for resolve this two Error I specify the ARCH in ./configure like this: its worked for me. I do this step by step like this as Knud Larsen instruction:
How do I append or prepend to an attribute in an xml file using xmlstarlet or similar?
Did not see it in the docs. Here’s what I’m trying to do: I want to pre-append the prefix 1_ to t. Expected Output: Actual Output: Answer Try this: -v is for fixed values, -x is for xpath expressions.
How to access the Raspberry Pi Zero though SSH
I’m trying to remotely access my Raspberry Pi Zero using SSH. The raspberry’s OS is Raspbian Jessy Lite (so no desktop enviornment, only the command line). I connected the raspberry to the Internet using an Android phone with USB-tethering (the raspberry pi zero doesn’t have an ethernet port…
C Corrupted double-linked list after calling chdir
I’ve been working on some C code to provide functionality similar to the shell. So far it can run most commands like cat, ls, ls | grep …, etc. After writing code to implement the functions “cd”, “pwd”, “pushd” and “popd”, I have been testing it. If …
Raspberry Pi create user with one file permission
I know how to create a new user on the Pi with all the same privileges as pi from this: https://raspberrypi.stackexchange.com/questions/7133/how-to-change-pi-sudo-permissions But how do you create a user with just one file permission? I mean that I want to create a user Alice that can only edit / rm / scp / t…
Improve MySQL Performance
Info: MySQL Community 5.7.12 64 bits Programming Language: Python 3.5 mysqld.cnf: Mysqld.cnf result of “show variables” show variables Description: – I have 200 000 tasks. – I process these tasks with 500 threads, one per task, when a thread finishes, another task start. The point of t…
Logs and ELK stack on separate servers, how to display the logs?
I have logs on one server and ELK stack — ElasticSearch, Kibana, Logstash — on another. I want to display the logs, which are on the 1st server, in Kibana, which is on the 2nd one. How can I do that? Is logstash capable of retrieving logs over the internet from a remote server? Answer Your best be…
Connect issue using IPv6 on Unity3D UNET server
I am deploying dedicated server made on UNET and when I start server I try to get list of all IPs (both IPv4 and IPv6). My server is deployed on a Linux server on DigitalOcean with IPv6 support enabled, server can be pinged via IPv6 address. When I connect via IPv4 from client to server (from NetworkClient to…
register protocol handler for a transport protocol in Linux kernel
I’m trying to implement the QUIC protocol in the Linux kernel. Since QUIC is working on top of UDP, I’ve been using the UDP code as a learning base. Now I want to register the protocol handler for the QUIC protocol but I don’t understand how and where to do it as I can’t find the relev…