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
Official documentation says that you should be fine installing mongodb-org-shell only.
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
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
After chown and chgrp‘ing /var/lib/mysql per the answer by @Bad Programmer, you may also have to execute the following command: sudo mysql_install_db –user=mysql –ldata=/var/lib/mysql Then restart your mysqld.
The container-selinux package is available from the rhel-7-server-extras-rpms channel. You can enable it using: subscription-manager repos –enable=rhel-7-server-extras-rpms Sources for the package have been exported to git.centos.org, too, so you could rebuild it yourself using mock: https://git.centos.org/summary/rpms!container-selinux.git (This is not a programming question, so you should use one of the other sites.)
On Debian we use the start-stop-daemon utility, which handles pid-files, changing the user, putting the daemon into background and much more. I’m not familiar with RedHat, but the daemon utility that you are already using (which is defined in /etc/init.d/functions, btw.) is mentioned everywhere as the equivalent to start-stop-daemon, so either it can also change … Read more
Installing from RPM is generally better, because: you can install and uninstall (properly) python3. the installation time is way faster. If you work in a cloud environment with multiple VMs, compiling python3 on each VMs is not acceptable. Solution 1: Red Hat & EPEL repositories Red Hat has added through the EPEL repository: Python 3.4 … Read more
SHIFT+Page Up and SHIFT+Page Down. If it doesn’t work try this and then it should: Go the terminal program, and make sure Edit/Profile Preferences/Scrolling/Scrollback/Unlimited is checked. The exact location of this option might be somewhere different though, I see that you are using Redhat.
I think there’s a more elegant way to solve the problem: send the stdout/stderr to syslog with an identifier and instruct your syslog manager to split its output by program name. Use the following properties in your systemd service unit file: StandardOutput=syslog StandardError=syslog SyslogIdentifier=<your program identifier> # without any quote Then, assuming your distribution is … Read more