Develop your own blog. NET version step by step (3. Register for login), blog. netPreface
Main features and features of this blog:1. compatible with various terminals, especially mobile phones.Second, we will use a lot of html5.Third, import the
Original URL: http://www.cnblogs.com/peida/archive/2013/03/13/2956992.htmlTelnet commands are usually used to log on remotely. The Telnet program is a telnet protocol-based Telnet client program. The Telnet protocol is a member of the TCP/IP
Article Title: Application tips: How to Prevent email servers from being abused. Linux is a technology channel of the IT lab in China. Some basic classification email servers, such as desktop applications, Linux system management, kernel research,
HTTPD supported virtual host types include the following three kinds of
Domain-based: uses a different domain name for each virtual host, but its corresponding IP makes the same.
Based on IP address: For each virtual host to use a
How to fix docker containers that cannot be started
Background:
On the test server, an elasticsearch service cluster is built using docker. Because the plug-in for Chinese Word Segmentation needs to be installed for es, the installation cannot be
Rsync remote Synchronization Service
Inotify-Tools for Real-Time Synchronization
NTP Network Time Service
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I. Rsync remote Synchronization Service
1. Basic operations of rsync
Operating System: VM centos6.5 x64 192.168.240.148
Docker container: centos6.5 x64 172.17.0.3
1. Download the original image
[[Email protected] ~] # Docker pull centos ### generally pull the latest centos7 and centos6.5. Here we use centos6.5 ###
Use if... then
Single-layer, simple conditional
If [conditional statement]; then Command work content that can be executed when the conditional statement is set; FI
& Stands for and;
| Represents or;
["$ YN" = "Y"-
Failed to send the email with the following error message: mail02.tsingtao.com.cn: 554 service unavailable; client host [hrbanlv.com] blocked using barracuda reputation; http://www.barracudanetworks.com/reputation? R = 1 & IP = 119.167.225.182 query
DHCP Configuration under Linux1. DHCP Working processDHCP discover \ \ Client Request Server provides addressDHCP offer \ \ server provides IP addressDHCP request \ \ client leased IP addressDHCP ACK \ \ Server confirms client's lease 2. Install the
Before we start, let's think of a scenario where your company has hundreds of servers, and when the leader asks to add a timed task to all the servers, or execute a command, you might say that you can use Xshell to connect or write a shell script.
in the CentOS7.2 or RHEL7.2 , there are three types of defined hostname: static, transient (transient), and flexible (pretty). The "Static" hostname, also known as the kernel hostname, is the host name that the system automatically initializes
How does PHP send e-mails?
The code in sendmail.php is as follows:
PHP Code
ISSMTP (); Set protocol for sending mail: SMTP $mail->host = "email.163.com"; The server that sent the message $mail->smtpauth = true; Open smtp $mail->username =
Linux Remote Connection Tool-OpenSSH
During our daily server management and maintenance processes, we all need to use the remote connection tool. Today we will summarize the commonly used secure remote connection tool OpenSSH in Linux.
Remote logon
I. aforementioned
Azkaban is a workflow scheduling tool. Because of the dependency between tasks, traditional crontab tasks cannot meet the requirements.
Therefore, you need to create a workflow engine. Compared with ooize, Azkaban provides task
Internal Variable
1. Bash
Record the bash shell path (usually/bin/bash)
[[Email protected] TMP] # echo "$ Bash"
/Bin/bash
2. bash_versinfo
It is an array that stores the main version number of BASH Shell, which includes patch level, compiled version,
Let's take a look at the synchronous email sendingCode
Code
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Smtpclient _ smtpclient = New Smtpclient ();_ Smtpclient. Host = "
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