I’m running Docker on Linux Manjaro. No problem with running and using the service: However, docker-machine ls will always show this: and Why isn’t there the ‘default’ machine available? Answer Since you have installed docker on Linux, you can access it directly on the host with docker…
Redirecting output of a program to a rotating file
I am trying to redirect the output of a continuously running program to a file say error_log. The command I am using looks like this, where myprogram.sh runs continuously generating data and writing to /var/log/httpd/error_log myprogram.sh >> /var/log/httpd/error_log Now I am using logrotate to rotate t…
Altinstall of Python 2.7.13 on RHEL7 just launches system version
I’m doing an altinstall of Python 2.7.13 on RHEL7 which has 2.7.5 installed. Here’s how I’m building from source: However, even when I tried to access this altinstall directly, I’m getting the system Python, rather than the altinstall. I’ve put SELinux into permissive mode and ge…
How to append a line at the end of /etc/sudoers file using shell script (without using pssh tool)
I want to append a few lines at the end of /etc/sudoers file. Below is an example of lines I want to append. Can anyone suggest how to append this using a shell script? Answer
Can not connect to MySQL with Eclipse java IDE on linux ubuntu, but with a code that worked perfectly on windows
I was working on a small project (mostly for fun) on java with Eclipse Neon (and window builder), in which I had to connect to MySQL and retrieve certain info. In windows it worked great, I was able to connect, get the info, etc. But then I switched to Linux Ubuntu 16.04 and it just won’t connect to MyS…
How do I set up a embedded MySQL client in Qt
I’m trying to set up my embedded Linux machine as a MySQL client, in order to connect to a external MySQL server (running on a remote machine). sqlite is not an option. I understand, thanks to Basile Starynkevitch that I have to use libmysqlclient (because that is the only library to run such a connecti…
How to use content of variable in bash to pass to find in script?
In a bash script I’m trying to use the content of a variable to be used as options for the find command: The aim is to set proper access rights as for what ever reason quite some files (such as pictures or office documents) are marked executable. So in reality the script above has several arrays with fi…
apt-get install failed and not working
i need to install some Prerequisites for my buildsystem but the apt-get install command fails: log apt-get install command My system params are (running as VM): uname -a && lsb_release -a some hints to solve this problem would be helpful. Best regards Lars Answer I don’t really speak German, but…
how to daemonize a script
I am trying to use daemon on Ubuntu, but I am not sure how to use it even after reading the man page. I have the following testing script foo.sh Then I tried this command but nothing happened: The file hihihi was not updated, and I found this in the errlog: How could I use the daemon command properly? Answer
How to make path location dynamic in xml
I have a logback.xml configured in a spring MVC + hibernate project, it is working fine on my local machine. the local machine has windows 10 OS installed. I wish to run the code of production machine which has Linux installed. What is want to know, is there a way to make LOG_PATH and LOG_ARCHIVE locations dy…