HostOnNet Blog

Author Archives: admin

Git

Posted on January 26, 2017 by admin

On a web server, i had to change file permission to 755 to make site work. Now when i try to get latest code from git, git pull fail with file change error. To ignore file permission in git, run

Tools

Posted on January 26, 2017 by admin

IP https://www.hostonnet.com/ip http://iptools.bizhat.com http://iptools.bizhat.com/ipv4.php WHOIS Domain Dossier http://internic.net/whois.html – Check IP of Name Server CIDR CIDR to Netmask (for hosts.allow) http://ip2cidr.com IP CIDR Calculator Website Speed Test https://gtmetrix.com http://tools.pingdom.com/fpt/ http://developers.google.com/speed/pagespeed/insights/ https://developers.facebook.com/tools/debug/og/object/ DNS Checking http://www.dnsinspect.com http://www.dnsstuff.com/tools http://www.intodns.com http://dnscheck.pingdom.com Ping http://www.dnsstuff.com/tools http://tools.pingdom.com/ping/

Server Monitoring Tools

Posted on January 26, 2017 by admin

Here are list of some of the server monitoring tools Prometheus Created by SoundCloud.com. It is written in GoLang. Very easy to install and setup. It work with Grafana to show very good graphs. I have 2 installation of this.

Apache Optimization

Posted on January 26, 2017 by admin

Configuring SSL site in Ubuntu Server Enable SSL in Apache VirtualHost php-fpm Blocking Traffic With Apache GeoIP Module CentOS 7 Apache Error AH01630: client denied by server configuration Enable htaccess (Rewrite Module) in Apache Apache Configuration Apache Directory Listing Apache

apt

Posted on January 25, 2017 by admin

APT error Some index files failed to download Remove residual config (rc) files in Debian/Ubuntu To list all files in a package Or List All dependency for a Package Show details of a Package

MariaDB Too many connections

Posted on January 25, 2017 by admin

On CentOS 7 server using MariaDB 10.1.21 site stopped working with following error. This is because by default MySQL only allow 151 connections To fix, edit file Add max_connections = 500 under [mysqld] section. Now restart MySQL Verify max_connections limit

Windows VS Linux: learn from Microsoft

Posted on January 21, 2017 by admin

Today i got email from Mirosoft about their cloud service. I clicked on one of the links and i got this. They got some problem with their web server. The interesting thing is they use nginx web server, that run

Install LetsEncrypt SSL on Proxmox Node

Posted on December 3, 2016 by admin

To install LetsEncrypt SSL certificate for Proxmox VE Server, first install certbot-auto, this is a command line tool to generate/renew LetsEncrypt SSL certificate. Now run certbot-auto, when you run first time, it will download some required packages and install it.

Connect to PPTP server via command line on Ubuntu

Posted on November 26, 2016 by admin

To connect to PPTP server from command line on Ubuntu/Linux, create file Here honvpn is name of the connection, this can be anything. Add following content to the file. Here 35.154.48.22 is IP of PPTP server. hostonnet is the PPTP

Install pptpd server (vpn) in Amazon EC2

Posted on November 26, 2016 by admin

To install in Ubuntu 16.04, run Now edit /etc/pptpd.conf Add to end of the file. Next you need to create users, this can be done by editing file I created a user with username = “hostonnet” and password = “tpmH7xADcb@zKH”