Before installing, we must be clear about the prerequisites for PXE network installation:
Client NIC supports PXE protocol (integrated Bootrom chip), motherboard support network boot
A DHCP server in the network is used to
Used to upload files to the server using the SCP command, simple and secure, but the upgrade mechanism of WordPress need to use FTP access mode, so have to configure FTP server under the VPS, Linux configuration FTP server can choose Vsftp and
The following prompts are available for FTP settings: User Confirmation requested
Do your want to have anonymous FTP access to this machine?
Yes [No] selecting the default [No] and pressing the Enter key will still allow access to FTP to users who
The following prompts are available for FTP settings: User Confirmation requested
Do your want to have anonymous FTP access to this machine?
Yes [No] selecting the default [No] and pressing the Enter key will still allow access to FTP to users who
vsftpd is a Linux distribution in the most respected FTP server program, very easy to use, I have spent a long time, then I will introduce the next VSFTPD learning Guide.
1, VSFTPD, the current common FTP server suite;
VSFTPD is one of the most
First, installation
* Test Platform Windows XP SP3
* Version serv-u10.3
Download the latest version of serv-u10.3 to perform a file installation and start configuring Serv-u after successful installation.
Second, the configuration
1, new
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VSFTPD is the name of a server running on a UNIX-like operating system that can run on top of Linux, BSD, Solaris, HP-UX, and IRIX. It supports features that are not supported by many other FTP servers. Like what:
Very High security
Today to debug the spring cloud Gateaway encountered the problem summarized under:Environment Construction:Spring Eureka server cluster port range: 8000-8100Producer Cluster Port range: 7000-7100Consumer Cluster port range: 9000-9100Gateaway Port: 60
After installing VSFTPD, by default, CentOS Firewall is not open FTP service, need to add module and open 21 port to provide FTP access.
1. Add Ip_conntrack_ftp Module[root@hexuweb101 ~] Vi/etc/sysconfig/iptables-configAdd the following lineIptables_
150 file is in good condition, open data connection
200 Command success
202 Command not implemented
211 System State or system help response
212 Directory Status
213 File Status
214 Help information, information only useful to human users
215 Name
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We need to do some basic security when we have a VPS or server that has a Linux system open.
There are probably several areas:1. Prohibit root account ssh, use custom account ssh;This way, the hacker must first guess the account number, then can
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apache| Server Perl is a very powerful scripting language. Primarily for text processing, programmers can also use system calls through Perl scripts. If the program is poorly written, it will open the door for attackers to break into the server.
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