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/…
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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…
Install SSL for ISPConfig Control Panel
To add SSL for ISPConfig control panel, add the server hostname as a website in ISPConfig and enable the LetsEnrypt checkbox. You…
Apachectl
apachectl command is used to interact with Apache web server. To see Apache status apachectl status To list virtualhost info, run apachectl…
VestaCP SSL for mail server
VestaCP install self signed SSL for mail server by default. To install valid SSL, login to VestCP, go to sites. You will…
Disable Native Notification on Google Chrome Ubuntu
On Ubuntu, Google chrome had a disable native notification option. On Chrome 78, this option is removed. But you still can manually…
Identify virtual machine technology
virt-what is a shell script which can be used to detect if the program is running in a virtual machine. It will…
apropos
apropos is a linux command that search manual pages and descriptions. Example root@mil-146068:~# apropos vagrant vagrant (1) – Tool for building and…
bind
bind is a DNS server. To check bind configuration for errors, run named-checkconf -z /etc/named.conf if chroot named-checkconf -z -t /var/named/chroot /etc/named.conf…
Install rsync in freebsd from source
On the server, i want to install rsync have no ports as it was older version FreeBSD 5.4 and is not supported,…