tzo ddns

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Iptables auto-Bind dynamic IP

Because the company's SVN server is placed on the outside network, only certain IP is allowed to be accessed for security. (The company dials with PPPoE)Almost every day to brush the company's IP, this is very inconvenient. So I want to automatically refresh the idea of moving IP.Conditions:1, router DDNS service, if not then use the computer to download peanut Shell client.Implementing the dynamic Refresh Shell core code is as follows:dyip=$ (ping **

Remote port forwarding using SSH, data transfer and remote login

Blog address:http://loopholes.blog.51cto.com/9445813/16203672015-03-17"This test needs to download the peanut shell, don't ask me what the peanut shell is, download the dot here "How to get into the company's computer at home, for this question, is the cause of my experiment:1, if just let the user log in, you only need to install the SSH server, if you also need to remote each other, you need to download SSH client (clients)Yum install-y openssh ==> will automatically load the Openssh-server (s

Rhel/centos PXE diskless Workstation

dynamically assigned IPs; If all workstations are bound fixed IP, can remove this configuration # option routers//Set the gateway/router address, multiple addresses separated by commas, if you do not want the client to surf the Internet, you can delete this configuration # Domain-name-servers//Set up DNS, if you do not want the client to surf the Internet, you can delete In addition to this configuration, multiple addresses are separated by commas # Next-server//Tell the address

The principle and implementation of LVS

tell the client computer to use the service name of this VIP address (such as DNS, DDNS, WINS, LDAP or NIS), which is a unique name or address that a client computer often needs to know to use the Cluster service. (Client computers do not know the remaining IP addresses in the cluster)②, real IP address (RIP)The IP address used on the cluster nodeIn LVS terminology, the node that provides services to the outside world is called a real server, so the

Kickstart Batch Deployment

The images in the CD-ROM is used to boot the Boot.iso, and the name of the Yum source must be calledLoad stage1.img load keyboard, language, startup mode, etc.Loading stage2.img loading a micro-system1. Requires DHCP server, client obtains IP address from DHCP serverThe 2.DHCP server provides the client with an IP address and informs the client of the location of the TFTP server (the code file needed for network boot)3. Find TFTP for related filesThe role of DHCP: providing IP to the clientTell

DHCP services in a detailed

. =========================================================== Log back in with the clientClient–dhcprequestApplication, continue source use assigned IP address Update lease8 Hours – 4 hours – 2 hoursClient–dhcpdiscovery DHCP-related files rhel6 DHCP package dhcp-4.1.1-3.4.p1.el6.x86_64.rpm DHCP Related configuration port number: IPv4 udp67, udp68 IPv6 udp546, udp547 service Name: DHCPD (main program) or Dhcrelay (relay) Mast

Kickstart unattended Installation

the ISO imagecp/data/sys/images/pxeboot/initrd.img/tftpboot/cp/data/sys/images/pxeboot/vmlinuz/tftpboot/Create a pxelinux.cfg directory under the tftpboot directorymkdir/tftpboot/pxelinux.cfg/-PCopy the Isolinux.cfg file in the image to pxelinux.cfg and rename it to defaultCp/data/sys/isolinux/isolinux.cfg/tftpboot/pxelinux.cfg/default[Email protected] sys]# chmod u+w/tftpboot/pxelinux.cfg/defaultModify a fileDefault Linux # boot linux flag kernelPrompt 1Timeout 6# and tell the system where to

NET-Pass Peanut shell intranet version will be fully embedded router?

shell dynamic Domain name Resolution service (DDNS, that is, in the absence of fixed IP broadband environment, can still be built through the domain name access and management services, widely used in website construction, video surveillance, ERP/OA and other remote access).Peanut shell through the official introduction, we can learn that the Peanut shell intranet version can realize the Great Wall broadband and other intranet environment dynamic dom

Build a maven-continue

A few days ago to build a maven, but want to access the outside network only through the IP address, because the company is not a fixed IP address every time the IP addresses are different, you must first open the polar route to see the current IP to use, more disgusting is, code check out only once, the next address a change, there is no way to update , so this morning, let's get this thing done.1, login to the router to find the network parameters in the D

Kickstart installation Configuration

#notguaranteedtowork#clearpart--noneclearpart--all --initlabel--drives=sdapart/boot--fstypeNbsp;ext4--size=200partswap--size=2000part/--fstypeext4--size= 10000part/data--fstypeext4--size=1--grow#clearpart--all--initlabel# part/boot--fstype=ext4--size=200#part/--fstype=ext4--size=10000#part swap--size=2000#part/data--fstype=ext4--size=1--grow#part/data-- Fstype=ext4--grow--size=200#repo--name= "CentOS" --baseurl=cdrom:sr0--cost= 100% Packages@chinese-support@core@development@eclipse@emacs@server-

How to Use winmail to set up a virus-free email system

resolution database. When other people on the internet want to access this domain name, the dynamic domain name resolution server will return the correct IP address to him.Because most Internet users are allocated Dynamic IP addresses when accessing the Internet. Using the traditional static domain name resolution method, it is unrealistic for a user to interpret the domain name to a computer on which he or she is surfing the Internet. With dynamic domain names, this dream can come true. You ca

Make Tomcat available for extranet access

Server" and click "Add New Item" in the Virtual server window. The service port number is the port number that your website uses, the IP address is the IP address of your intranet host, the protocol chooses TCP, usually the service port number chooses HTTP, click Save. Click "Dynamic DNS", in the Dynamic DNS settings panel, enter the peanut shell user name and password, the user and password for the login peanut shell use the user name and password, tick "Enable

Panabit Installation Test Summary

Download the installation version from the official website 9.2, according to the official website said 8.0 and 9.2 functions exactly the same, 9.2 support more drivers, it is recommended to install version 9.2. Precautions:1, before the installation in the VMware Workstation to create a new three virtual network card, if it is installed and then added to the Web configuration interface, the newly added network card can not be recognized.2, installation completed, in the Linux login interface ac

Wampserver Write the website, how to let extranet access?

. Peanut shells also want your route to insinuate your native port so that it can be accessed outside. The peanut shell itself does not provide a domain name, right? If it's a check-up, get a free space. Free registration of domain name, to be set as Peanut shell DNS parsing serviceThen install the client login account on the activation of the resolution, a few will be able to access. I played it early, and I couldn't remember the details. Need to change the router to the 80-port packet N

How to install CentOS

Article Title: How to install a Linux (CentOS) system over the network. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. I. Principles If you want to install Linux on a server without an optical drive or a soft Drive. We need to install Linux after booting through the PXE protocol of the NIC. process: Machine startup-Nic boot-IP address obtained through DHCP-o

Pxe+dhcp+kickstart

Less nonsense, only to open dry;First, install DHCP, tftp-server, httpd, Syslinux, System-config-kickstart, desktop environment. Where Syslinux is to generate pxelinux.0 files; system-config-kickstart Configure ks.cfg file tool1, # yum-y install DHCP tftp-server httpd syslinux System-config-kickstart2. Configure DHCP# cp/usr/share/doc/dhcp-4.1.1/dhcpd.conf.sample/etc/dhcp/dhcpd.conf# vim/etc/dhcp/dhcpd.conf#全局配置:Ddns-update-style Interim;Ignore client

Intelligent switch development progress

Recently, the Android app has basically been completed, including setting the switch status, setting the system/WiFi, setting the delay switch, and setting the timed switch. It has been tested on some mobile phones with relatively large screens, of course, continuous testing is required for products; The shell is also basically determined. There are several pictures of the shell, and the rectangular shell does not look nice with rounded corners, but it is easy to install. It is a good function

[Openwrt Project Development Notes]: Samba Service & vsftp Service (4)

nopriv_user = root background = yes listen = Yes anonymous_enable = No local_enable = Yes write_enable = Yes local_umask = 022 check_shell = No dirmessage_enable = Yes ftpd_banner = welcome to vsftp service. syslog_enable = Yes max_clients = 600 max_per_ip = 5 accept_timeout = 60 # Set connection timeout (4) Start the vsftpd service /Etc/init. d/vsftpd restart # restart vsftpd service/etc/init. d/vsftpd enable # enable auto-start upon startup 5. Additional instructions Generally, the Samba file

Isc dhcpd-tip

---------------------------------------------------------------------------------------ColumnServer-identifier 192.168.1.254; Ddns-Update-style none; Option domain-name-servers 61.139.2.69, 218.89.0.124;Option routers 192.168.1.254;Option broadcast-address 192.168.1.255;Default-lease-time 5500000;Max-lease-time 7700000; Subnet 192.168.1.0 netmask 255.255.255.0 {Range 192.168.1.10 192.168.1.20;Range 192.168.1.50 192.168.1.60;} Host {Hardware Ethernet

Centos 5.1 acts as a NAT proxy to implement thunder blocking, BT, and PPLIVE.

, 211.94.69.34; Ddns-update-style interim; Subnet 192.168.3.0 netmask 255.255.255.0 {Range 192.168.3.2 192.168.3.100; Option broadcast-address 192.168.3.255; Option routers 192.168.3.1; } Save and exit # Cp DHCPD. CONF/etc/ The system will prompt you to overwrite by Y.Then you need to change the DHCP to work on that Nic. Of course, it's the internal Nic. VI/etc/sysconfig/DHCPD Dhcpdargs = eth0 Save and exit, so that DHCP works on the eth0 Nic, that is

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