Some great scripts for stress testing and benchmark tests: https://haydenjames.io/linux-benchmark-scripts-tools/
Category: Administration
How To Install Dig Utility of CentOS
The DIG tool is a part of the BIND Utilities so you need to install them. # yum whatprovides ‘*bin/dig’ To install the BIND Utilities, type the following: # yum install bind-utils
Freeing disk space on your Linux server
To find out where disk space is being used: Get to the root of your machine by running # cd / Run # sudo du -h –max-depth=1 Note which directories are using a lot of disk space. cd into one…
Change Windows RDP SSL Cert from Default to Comodo Free SSL
This article describes how to change the SSL cert for you Windows server to match a hostname so that when you remote desktop to a windows server, you don’t get a warning for the identity and the SSL cert. Go…
Network Throughput Testing with iPerf
iPerf is a command-line tool used in diagnosing network speed issues by measuring the maximum network throughput a server can handle. It is particularly useful when experiencing network speed issues, as you can use iPerf to determine which server is…
Accessing Website with IP NAT Hairpinning
The term hairpinning comes from the fact that the traffic comes from one source into a router or similar devices, makes a U-turn and goes back the same way it came. Visualize this and you see something that looks like…
How to Set or Change Hostname in CentOS 7
Use this information when changing the hostname in centos 7. Ways to show the hostname # hostname # hostname -s # hostname -f # cat /etc/hostname # hostnamectl How to change the hostname. In order to change or set a…
Setting up cron to remove emails from an utility email
Sometimes you need to add an email to receive alerts and other emails for you system or business. WThen after a while the email account is full of emails. One method to automate this is to set up a cron…
Smartmon tools Windows
Some Smartmon tools https://github.com/v-zhuravlev/zbx-smartctl https://share.zabbix.com/storage-devices/smart-monitoring-with-smartmontools-lld https://www.smartmontools.org/wiki/Download#InstalltheWindowspackage
Install Lets encrypt on WHM and cPanel
Follow this: https://documentation.cpanel.net/display/CKB/The+Let%27s+Encrypt+Plugin The this for the icon in cpanel: https://premium.wpmudev.org/blog/free-ssl-https-cpanel/ Log into your SSH client at root level, then add the Let’s Encrypt repository with the following command: cd /etc/yum.repos.d/ && wget https://letsencrypt-for-cpanel.com/static/letsencrypt.repo Next, install the plugin for cPanel…