Iptables Study Notes

Echo 1>/proc/sys/NET/IPv4/ip_forward enable routing /Etc/rc. d/rc. Local/Add the above command to ensure that the command is executed during startup. VI/etc/sysctl. conf Route-add-net 202.38.85.0 network 255.255.255.0 Dev eth0 (eth0 of the local

Tomcat Virtual Host Configuration

Although I have been in touch with Tomcat for a long time, I configured the Tomcat Virtual Machine for the first time and recorded the process. Modify the Tomcat server. xml file. By default, tomcat has a virtual host localhost, which is part of the

Upgrade Ubuntu to 11.10 beta2

Click "Alt + F2" on the 11.04 desktop, enter "Update-Manager-d" in "run a command", and then follow the steps. After installationRun the command "sudo apt-Get install fcitx" and then run"Im-switch-s fcitx ". After restart, It is the default input

Progress of technical engineers

Progress of technical engineers The more I talk about Weibo, the more I forget it. I wrote a blog post about how engineers can make progress, 1: The problem of description and record should be accurate and digitalized. The descriptions of "high

Difference between Su, sudo, and Su-Root

Http://www.justwinit.cn/post/4461/ Difference between Su and sudo:1. Commonalities: root user permissions;2. Differences: su only obtains the root permission, and the work environment remains unchanged. The user's work environment is still switched.

Use a swat graph to configure samba

The following content is reproduced from http://www.mike.org.cn/articles/line-with-the-configuration-of-samba-swat-figure/ Configure Samba sharing on the SWAT Web Interface If you are not used to configuring SAMBA service with characters, you can

"Auto_increment" specified value of InnoDB is reset

Sometimes the newly created table needs to specify the initial value for the auto-increment column, but sometimes the initial value explicitly specified is reset. Here is a small experiment to illustrate this problem: MySQL version: 5.1.42 OS:

A new fable

The rabbit has a monthly salary of 5 thousand and plans to build a nest with 0.2 million. The wolf does not allow the construction of illegal buildings. He is only allowed to buy illegal buildings from wang ba. Wang Ba is engaged in real estate.

MTop is recommended.

MTop is a tool similar to the top command in Unix systems. It dynamically displays the running status of MySQL. 1. You can go to the official site to download 2. For installation instructions, refer to the README file in the installation

Mobile 139 mailbox does not receive monitoring emails

In the last two days, I have not received dB monitoring emails. By analyzing the mail logs, I found the following information: # Tail-F/var/spool/mail/root ......Auto-submitted: auto-generated (failure) This is a mime-encapsulated message --

LVM logical volume manager

The function is to dynamically allocate disk partitions and make multiple partitions or physical hard disks as a logical volume (equivalent to a logical hard disk) It allows you to expand or reduce the disk or partition capacity at will. The

Install and configure bind-9.8.0

The following article is reproduced from http://blog.csdn.net/whhgd6370/article/details/6257445 Bind version: the latest version, 9.8.0 1. Installation: http://www.isc.org/software/bind/980/download/download the tarinstallation package and release

Configure SSH key authentication

This is an old configuration requirement that cannot be used any more. There are many articles on the Internet. The reason why I want to record it is that this configuration has some minor problems, so I should emphasize it here.To configure the

Looking forward to "step by step"

Birds in the air, people and Bai yunqi, I am at the heart of Qingquan, And I am playing tanshen fish. The wind blows to the mountains, and the moon shines on the shadows. Red Dust gathers and leaves like a dream, and is passionate and sad.

Network-scripts/ifcfg-detailed configuration

/Etc/sysconfig/network-scripts/ifcfg-Interface-Name>,/Etc/sysconfig/network-scripts/ifcfg-Interface-Name>-Clone-Name>-- The first file defines the interface information, and the second file defines the information that is different from the

HTML frame attributes and usage

frame group tag frame tagSyntax format: elements (dual tags)Syntax format:.......Attribute:The Cols vertical cut window (for example, the Left and Right Split two windows) accepts the integer, percentage, and * (* indicates the number of

Professional specifications (O & M)

I. Four major parts of the O & M system 1. Automated Management (automatic update, automatic server activation ...) 2. Automated monitoring (Monitoring alarm ...) 3. Process Management (event handling, change handling ...) 4. Security Management

Install and use the svn plug-in of myeclipse 8.6

I. Plug-in Installation Start myeclipse Go to configuration Center   Click Add site under software Enter the name and URL. The URL is as follows: Http://subclipse.tigris.org/update_1.4.x Select Prepare for Installation

Netstat status description

Netstat status description: Listen: listens for connection requests from remote TCP ports SYN-SENT: wait for a matched connection request after sending a connection request again SYN-RECEIVED: Wait for the other party to confirm the connection

Qingting resin3.1 Chinese comments of the configuration file

Version resin3.1, Linux centos5.6 2 S -com.sun.net. SSL. Internal. SSL. provider- --> - --> . -- keys/Gryffindor. CRT - keys/Gryffindor. key - test123 -- --> -xmx256m -xss1m -xdebug -DCOM. sun. management.

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