Linux whois command
Linux whois command is used to find who owns a domain or IP address. To see information about a domain, use whois…
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Set hostname in CentOS 7
Hostname is a sub domain. To set hosting, edit file vi /etc/hosts Add SERVER_IP_HERE HOSTNAME.yourdomain.com HOSTNAME Example 72.21.51.194 server32.serverok.in server32 Now run…
Check if HTTP/2 enabled using curl
To see if a web site have HTTP/2 enabled, you can run curl -sI SITE_URL_HERE -o /dev/null -w ‘%{http_version}\n’ If you see…
Website to test Microphone
To see if your microphone is working properly, you can use web site https://dictaphone.audio This site allow you to record voice. Useful…
wget print content to screen
wget is used to download files. When you use wget to run cronjob, it creates a lot of files. To avoid this,…
CentOS 7 VestaCP Upgrade PHP to 7.x
On CentOS 7 VestaCP install PHP 5.6 by default. This is very old version of PHP. To upgrade PHP to latest version…
CentOS 7 Plesk server DNS not starting
On a CentOS 7 Plesk server DNS failed to start. Plesk on CentOS 7 use named-chroot.service for starting DNS. I tried to…
Redirect site from www to non-www
It is better to make web site available with one URL. Many sites work with both wwww and non-www (naked domain) urls.…
Squid Proxy Server allow connection to all ports
By default Squid proxy only allow out going connection to white listed ports that are used commonly. When you visit a site…
Elasticsearch
ElasticSearch Install Install Elasticsearch 7 on Ubuntu for Magento 2.3 Install Elasticsearch on Debian for Magento Install elasticsearch on CentOS 7 How…
Install Elasticsearch 6 on Debian for Magento
To install Elasticsearch for Magento on Debian, install Java 1.8 and apt-transport-https apt install -y openjdk-8-jdk-headless apt install -y apt-transport-https Add key…