学习教程
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Disable all the mail protocol by iptables
Disable all the mail protocol by iptables: iptables -A INPUT -p tcp -m multiport --dport 25,110,465:587,993:995 -j DROP iptables -A INPUT -p udp -m…… -
Linux shell script to change you ssh port
Our vps's ssh port always scaned by some bad gay and Fail2ban is not enought. You can change you default port for the security. But there is many ne…… -
Install phantomjs for CentOS 7
http://phantomjs.org/download.html uncompress tar jxvf package.tar.bz2 pwd to get the path ln -sf phantomjs's path/bin/phantomjs /usr/…… -
Sync time and set time zone for CentOS 7
Install ntp service sudo yum install ntp Enable ntp service start at boot up systemctl enable ntpd add params"-g -x",Enable ntp service work…… -
Setting Up Web-Based Guacamole Tool to Access Remote Linux/Windows Machines
As a system administrator, you may find yourself (today or in the future) working in an environment where Windows and Linux coexist. It is no secret…… -
Guacamole with MySQL on Ubuntu
The following will install Guacamole 0.9.11, Tomcat 8, and MySQL for you. All you have to do is pick a MySQL Root Password and change the guacamole…… -
Guacamole -- HTML5 based RDP/VNC/SSH Connections
This guide is no longer maintained. Check out my new Guacamole guide for CentOS 7 HERE! In my quest to simplify my technical life, I have been enter…… -
Install Guacamole (Incubator) from source on CentOS 7
This post was last updated on Feb 02, 2017. Changes made to make this guide current as of Guacamole Incubator 0.9.11 RC1. This is my third Guacamole…… -
RHEL 7 / CentOS 7 : Disable Firewalld and use iptables
Hello, Just installed CentOS 7 on my Virtual machine and realized that, Firewalld is bit complicated as I am using iptables firewall from many years…… -
11 useful commands for Linux/Unix administrators
Command line is more powerful because you can do lot with them, you can tell your computer exactly what you want and get the appropriate answer, ……