What’s Docker Docker stands as a groundbreaking containerization platform that has dramatically streamlined the lifecycle of developing, deploying, and managing applications. By encapsulating applications in lightweight, transportable containers, Docker...
What’s QUIC QUIC (Quick UDP Internet Connections) is a transport layer network protocol developed by Google. QUIC supports a...
Edit boot menu on-the-go 0. reboot the CentOS 7 and press ESC when GRUB menu show up on the...
Check PHP-FPM version on NGINX HTTP response $ curl -I localhost/index.php HTTP/1.1 200 OK Date: Sat, 12 Aug 2017...
How to hide `Server:` Response info on NGINX $ curl -I localhost HTTP/1.1 200 OK Server: nginx/1.4.6 (Ubuntu) Date:...
Check disk usage df -h Filesystem Size Used Avail Use% Mounted on /dev/vda1 95G 82G 7.9G 92% / Check size of...
How to block ip with NGINX 0. define block ip on nginx.conf vim /etc/nginx/nginx.conf http { geo $ban_ip { default 0;...
How to sent xymon/hobbit alerts to slack channel 0. create bash script to push xymon/hobbit alerts to slack vim /etc/xymon/scripts/alert_to_slack.sh #!/bin/bash...
How to set up redirect www and non-www http to non-www https o nginx config file vim /etc/nginx/sites-enabled/blackonsole.conf # http server...
CSS Fonts Missing on web The error some like: Font from origin 'http://css.blackonsole.org' has been blocked from loading by Cross-Origin Resource...
Error courier imapd.pem file tailf /var/log/mail.log imapd-ssl: couriertls: /etc/courier/imapd.pem: error:0906D06C:PEM routines:PEM_read_bio:no start line How to fix vim /etc/courier/imapd-ssl Make sure dhparams.pem...
What is AutoMysqlBackup AutoMySQLBackup with a basic configuration will create Daily, Weekly and Monthly backups of one or more...
What is CSF Config Server Firewall (or CSF) is a free and advanced firewall for most Linux distributions. How...
What is AWStats AWStats is short for Advanced Web Statistics. AWStats is powerful log analyzer which creates advanced web, ftp, mail and streaming server...
What is Gitlab GitLab is a web-based Git repository manager with wiki and issue tracking features. How to install Gitlab in...
What is Archipel Archipel is a solution to manage and supervise virtual machines. No matter if you have a few locally...
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:: Whatis Pound Pound Load Balancer – HTTP/HTTPS reverse-proxy and load-balancer :: How to install Pound Load Balancer yum -y...
:: What isSetting OpenVPN with static key are ideal for point-to-point VPNs or proof-of-concept testing. :: Installing OpenVPN Server in Ubuntu...
Setting Wifi HotSpot using HostAPd Checking Wifi :: Check Wifi AP Support sudo aptitude install iw iw list make sure you...
:: How to convert kvm image-based to LVM device in Linux Ubuntu + Stop/Shutdown VM virsh -c qemu:///system virsh # destroy...
:: What’s this FTP is a standard network protocol used to transfer files from one host to another host over a...
:: What’s MySQL MySQL is open-source relational database management system (RDBMS) that runs as a server providing multi-user access to a...
:: What’s tmpfs tmpfs is a common name for a temporary file storage facility on many Unix-like operating systems. ::...
