How to change Port of Squid Proxy Server
Squid proxy server runs on port 3128 by default. Changing squid proxy server port to a non-standard port is a good idea…
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configure: error: “mysql headers missing.”
When compiling a software from source I get error checking mysql/mysql.h usability… no checking mysql/mysql.h presence… no checking for mysql/mysql.h… no configure:…
Plesk Debian 8 General error: 23 Out of resources when opening
On a Debian 8 server with Plesk control panel, on the Plesk login page, I got the following error message 500 Plesk\Exception\Database…
Magento 2 Your session has expired
After migrating Magento 2 site to a new server with a different URL, adding an item to the cart produced the error…
Vagrant private_network can’t ping
When I create Vagrant virtual machine with private networking, I can’t ping to IP address of the VM. The only way to…
PrestaShop clean MySQL database tables
On a PrestaShop site, queries like the following get stuck forever SELECT c.id_guest, c.ip_address, c.date_add, c.http_referer, “-” as page FROM `ps_connections` c…
How to Speed Up Your WordPress Site
Getting your site to load faster is very important. Bounce rate (visitors leaving your website) on your website increases as load time…
How to add a PPA repository using Ansible?
To add a PPA repository using Ansible, use – name: add ppa apt_repository: validate_certs: no repo: ‘ppa:ondrej/php’ state: present Example — -…
certbot
Install certbot Certbot commands Certbot SSL for Applications Install certbot OR Install SSL certificate on Apache On Nginx This will stop web…
Certbot Remove a Domain Name from SSL Certficate
On a server, I have an SSL certificate with 2 domains (doaminA.com and domainB.com) root@Tombe:~# certbot certificates Saving debug log to /var/log/letsencrypt/letsencrypt.log…
How to find all IP address of a Linux server
To list all configured IP addresses on a server, you can use the command hostname -I To find the main IP, use…
How to disable Zimbra dnscache service
When you are using the Zimbra mail server behind NAT with Split DNS, you need to disable dnscache service. To view all…