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…
Linux
CentOS 7 Grub 2
To regenerate grub config on CentOS 7, run grub2-mkconfig -o /boot/grub2/grub.cfg If you use UEFI, run grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg OVH CentOS 7…
How to reinstall packages using yum
To reinstall a package with yum, run yum reinstall PKG_NAME Example yum reinstall kernel
Restart Services in Xampp Linux
You can restart services on xampp linux using /opt/lampp/lampp To restart, use /opt/lampp/lampp restart Here are other available options root@ip-172-31-36-153:~# /opt/lampp/lampp –help…
Remove SSH Private Key Passphrase
To remove SSH private key passphrase, run ssh-keygen -p -f SSH_PRIVATE_KEY_FILE Example Method 2 You can use OpenSSL to remove passphase with…
VestaCP redirect webmail to HTTPS
To always force webmail to use HTTP on VeataCP, edit file vi /etc/roundcube/defaults.inc.php Find $rcmail_config[‘force_https’] = false; Replace with $rcmail_config[‘force_https’] = true;
Prometheus Node Exporter on non default port
To run Prometheus Node Exporter on custom port, use /usr/local/bin/node_exporter –web.listen-address=:9101 Here is systemctl service script i used [root@cdn 1945]# cat /etc/systemd/system/node_exporter.service…
Install Nginx on CentOS 8
To install Nginx web server on CentOS 8, create repo vi /etc/yum.repos.d/nginx.repo Add [nginx] name=nginx repo baseurl=http://nginx.org/packages/centos/$releasever/$basearch/ gpgcheck=0 enabled=1 Install nginx with…
Monitor Server with Prometheus and Grafana
Prometheus is used an open source software, that can collect metrics and alerting. You can download latest version oof Prometheus from https://prometheus.io/download/…
PHP Script to monitor Apache/php-fpm
I moved a web site to new dedicated server. But for some reason, php-fpm crashed. I increased the max_children settings, but it…
Split Large file into smaller files
Today I was transferring a large 7 GB backup file into another server. Every time I copy it gets disconnected after some…
ISPConfig fail to create MySQL database
Whem creating MySQL database in ISPConfig, no database get created. To debug, i disabled the cronjob. Created a database in ISPConfig control…