Solve the problem that root users cannot log on to ftp to transfer files in centos.

1. view and start vsftpd run # ntsysv check whether vsftpd is available. If yes, select and install vsftpd if no vsftpd is available. start ftp. # service vsftpd restart 2. configure the vsftpd user and enable the root user. # cd/etc/vsftpd www.2cto.

Virtualization Analysis in Ubuntu

Virtualization analysis Virtual Machine (VM) in Ubuntu is a computer running on the Virtual Layer, usually called hypervisor. It does not really exist, but it can work like a real computer. The Virtual Layer of the Virtual Machine determines the

Adsl Internet sharing under Fedora

Adsl Ora's adsl Internet sharing has recently started tossing Fedora and runs fast on the old machine. Therefore, I will add adsl to it.There is a Telecom adsl account and password, and a modem. If there are multiple machines, there must be a vro

Summary of Linux commands and configurations for personal use

Linux Command and configuration Summary 1. ls displays the file directory, ll list to view files 2. Switch the cd directory cd/switch to the root directory cd oracle switch to the oracle directory under the root directory cd oracle/admin/switch to

Operations on ubuntu using the classic interface

The operations on ubuntu using the classic interface were upgraded to UBUNTU 11.04 yesterday, and it was found that the new Unity interface was not suitable, so it was restored to the old classic interface. The specific operation mode is as follows:

Linux Process Basics

What the basic computer of the Linux Process can actually do is actually very simple, such as calculating the sum of two numbers, and finding an address in the memory. These basic computer actions are called commands ). A program is a collection of

Install and configure Jdk 6.3 and Tomcat 6.0.32 in CentOS 1.6 in Linux

Install and configure Jdk 6.3 and Tomcat 6.0.32 in CentOS 1.6 in Linux and learn from the online resources. The following method is the correct installation method: 1. first, download JDK, I downloaded jdk-6u37-linux-i586-rpm.bin. after the download,

Common Linux commands (including Apache and MySQL)

Linux Common commands (including Apache and MySQL) Change Password passwd root Nic add IP address ifconfig eth0: 1 184.82.167.219 netmask 255.255.255.255.248ifconfig eth0: 2 184.82.167.220 netmask restart 255.255.255.248 restart www.2cto.com

Why are there nine unique features of free software users?

  Windows and other private software are products in the commercial software market. In the culture of commercial software, information flows are unidirectional-from vendors to users-and the so-called intellectual property rights and vendor locks of

Shell learning: About replacement commands-tr-ROT13 rules

[Root @ stu100 ~] # Echo abcdef | tr abcdef xyzabc Xyzabc [Root @ stu100 ~] # Echo abcdef | tr a-f x-za-c Xyzabc The following example demonstrates a popular method of hiding text. Because the first character of the alphabet is replaced with

CentOS5 install apache and svk using domain user authentication

  Install with rpm Httpd Httpd-devel Pam-devel Subversion Subversion-perl After the above package is installed, cpan SVK can complete the svk installation. Enable ssl for http Step 1: Create the key and request: Openssl req-new> new. cert. csr

Solution for uploading files larger than 2 MB in linux

Solution[Root @ 2193 etc] # vi php. ini ; Maximum allowed size for uploaded files.Upload_max_filesize = 10 M ; Maximum size of POST data that PHP will accept.Post_max_size = 15 M [Root @ 2193 etc] #/etc/rc. d/init. d/httpd restartStop httpd:

How to clean footprints in Linux

1. Minimize your logsP.S. before accessing the target, I will not talk nonsense about using the springboard. If you are a VPN or 3389, you can use ssh for transit and proxy. Remember one thing-it's silly to directly connect to the attack target.1.1

Common Linux shell commands (2)

Vi. user and group commands 1. groupadd command Function: adds a group. Groupadd test1 add test1 Group Groupadd-g 1111 test2 add test2 group with id 1111 2. useradd command Function: Add a user Useradd user1 Add User user1, home is/home/user1, group

Ten common mistakes made by Linux cainiao

Most users often make many mistakes when they are new to a desktop system. However, if they know from the very beginning what are common errors, they can minimize the feeling of frustration. The following are the top ten mistakes that new users may

Ubuntu10.10 worth looking forward to 12 reasons

Ubuntu10.10 for "Maverick Meerkat (Fox cake)" will be released on July 10, October 10 (this Sunday). There is no doubt that most Ubuntu users are waiting to download the latest version. Version 10.10 is currently the most user-friendly Linux version

4MLinux released mini Linux Server version

4. MLinux is a mini Linux release that includes some system maintenance and recovery tools, for example, cfdisk and GNU parted are used to manage partitions, testdisk is used to restore partitions, photorec is used to restore files, and ntfs3g is

Install wine + utorrent + VNC in Ubuntu

You are not familiar with Utorrent any more. Unfortunately, all the major pt sites do not support the utorrent server version in linux. We can only go a long way and use a virtual windows environment in Linux, to achieve the dream of installing and

Install webmin in CentOS

Open the official website http://www.webmin.com.cn/download.html The second one is the rpm download link. After opening it, right-click the direct link replication shortcut, and copy it.# Wget

Add permanent static routes in Linux

I. Use the route command to addIf you use the route entry added by the route command, the route becomes invalid after the machine is restarted or the NIC is restarted. The method is as follows:// Route entry to the host# Route add-host 192.168.1.11

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