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I hope you may know that DNF package manager is replaced the yum package manager in Fedora 22. Here are some examples on how to use DNF package manager. It maintains CLI compatibility with yum, you would find no difference in using DNF. You can still use YUM command, but all the commands will be […]
If you have reached this page from my previous article on How to install Graylog2 on CentOS 7 / RHEL 7, you do not have to modify the below init script; just copy and paste content to graylog2-web init file. This tutorial is for an outdated version of Graylog2. A new version is available here: […]
If you have reached this page from my previous article on How to install Graylog2 on CentOS 7 / RHEL 7, you do not have to modify the below init script; just copy and paste content to graylog2 init file. Create a init script file. # vi /etc/init.d/graylog2 Place the following content in it, if […]
Of course this post is a duplicate of Change HostName in CentOS 7 / RHEL 7. hostnamectl is used to change the host name on the fly (when the host name is set using this command; we do not require to reboot the machine). hostnamectl will directly update the kernel about change in hostname. Check […]
Control-Alt-Delete is a combination key which initiates the soft reboot of servers, and this must be disabled to avoid the unexpected and unwanted reboot. In CentOS 6, Ctrl-Alt-Delete was handled by inittab, and now it is managed by systemd in CentOS 7. This guide will help you to disable Ctrl-Alt-Delete on CentOS 7. Let’s look […]