Make and build utilities on CentOS/RHEL?
yum groupinstall “Development Tools” or yum install gcc gcc-c++ kernel-devel
rhel
How to run a command as a specific user in an init script?
On RHEL systems, the /etc/rc.d/init.d/functions script is intended to provide similar to what you want. If you source that at the top of your init script, all of it’s functions become available. The specific function provided to help with this is daemon. If you are intending to use it to start a daemon-like program, a … Read more
The command ‘/bin/sh -c returned a non-zero code: 127
Solution to the image with error is to add before the wget CMD RUN yum -y install wget If you write it like this, it is the same result, just different execution: RUN wget http://www.us.apache.org/dist/tomcat/tomcat-6/v6.0.44/bin/apache-tomcat-6.0.44.tar.gz Don’t use the quotes and comma in RUN command.
Check RPM dependencies
In fact that’s not a one but four different questions :). *) First you can quickly list a downloaded package’s dependencies/requirements by using the following commands: $ rpm -qp mypackage.rpm –provides $ rpm -qp mypackage.rpm –requires *) Second, you can use yum utility in order to satisfy these (somewhat cryptic) dependencies automatically (assuming that all … Read more
Suppressing the “Picked up _JAVA_OPTIONS” message [closed]
From looking at the relevant source code (arguments.cpp in openjdk, line 2492), there is no way to control the output of this message. The only thing I could say is that it is printed to stderr. So you could wrap your commands to redirect stderr to /dev/null (if there wasn’t anything else you cared about … Read more
On linux SUSE or RedHat, how do I load Python 2.7
Instructions to download source and install: https://www.python.org/download/ NOTE: You should check for the latest version of python 2.7.x, as it gets updated frequently. Currently (Oct 2017), the latest version is 2.7.14 though this comment will get old and new versions likely will be released every 6 months or so. wget https://www.python.org/ftp/python/2.7.14/Python-2.7.14.tgz # Download tar xvfz … Read more
Completely remove MariaDB or MySQL from CentOS 7 or RHEL 7
These steps are working on CentOS 6.5 so they should work on CentOS 7 too: (EDIT – exactly the same steps work for MariaDB 10.3 on CentOS 8) yum remove mariadb mariadb-server rm -rf /var/lib/mysql If your datadir in /etc/my.cnf points to a different directory, remove that directory instead of /var/lib/mysql rm /etc/my.cnf the file … Read more
Install ONLY mongo shell, not mongodb
Official documentation says that you should be fine installing mongodb-org-shell only.
Error when using scp command “bash: scp: command not found” [closed]
Make sure the scp command is available on both sides – both on the client and on the server. If this is Fedora or Red Hat Enterprise Linux and clones (CentOS), make sure this package is installed: yum -y install openssh-clients If you work with Debian or Ubuntu and clones, install this package: apt-get install … Read more
Hourly rotation of files using logrotate? [closed]
The manpage of logrotate.conf contains an important advice for the hourly option: Log files are rotated every hour. Note that usually logrotate is configured to be run by cron daily. You have to change this configuration and run logrotate hourly to be able to really rotate logs hourly. As pointed out by yellow1pl the solution … Read more