Prometheus init script for CentOS 6

Create init file.

Add following

Create User For Prometheus

Run prometheus on Boot

Verify it is enabled

“3:on” will start prometheus on run level 3, that is normal boot. Start Prometheus

See Monitor Server with Prometheus and Grafana […]

Read More…

rpmquery

rpmquery command allow you to check if a specific rpm package installed on your computer.

Example

See rpm […]

Read More…

Update Cpanel License Key

To update cpanel server license, run

Example

Back to Cpanel Server […]

Read More…

Install PHP 5.6 on CentOS 7

To install PHP 5.6 on CentOS 7, enable EPEL repo and remi repo

Install yum-utils and enable remi-php56 repo

Install PHP 5.6 with

[…]

Read More…

yum commands

Install a software with yum

Uninstall a software

Example for installing php and GD

When you need to update all install software, run

List all available software

List all installed software

See yum […]

Read More…

EPEL – Extra Packages for Enterprise Linux

EPEL (Extra Packages for Enterprise Linux) provide additional software for CentOS and RHEL. You can find more information about EPEL at http://fedoraproject.org/wiki/EPEL On CentOS 7/8, you can enable EPEP repo with command

Or just download rpm package from the site and install. RHEL/CentOS 6:

RHEL/CentOS 7:

RHEL/CentOS 8:

See CentOS, yum […]

Read More…

yum [Errno 5] [Errno 2] No such file or directory

When running yum update on CentOS 7 server, i get following error

Someone had tried to install differnt version of python on this server. That caused this problem. When i run urlgrabber-ext-down, i get error saying python missing.

Problem fixed by creating symlink

See yum […]

Read More…

Install Vagrant on CentOS

To install Vagrant on CentOS, go to https://www.vagrantup.com/downloads Get link to latest version, then run “rpm -ivh URL_TO_RPM_FILE”. At time of writing this post, latest Vagrant version is 2.2.9, to install Vagrant 2.2.9, run

To check Vagrant version

See Vagrant […]

Read More…

Install bind in CentOS 7

bind is a DNS server. To install bind on CentOS 7, run

Enable bind to start on boot

Start bind

You can see status with

Setup firewall You need to allow DNS ports UDP/TCP 53 in firewall. On CentOS 7, you can run

Configure bind By default bind only listens […]

Read More…

yum list all available packages in a repo

To list all packages available on a specific repo, run

Example:

This command list all packages available in repo “litespeed” […]

Read More…