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Python sends e-mail in three ways: login mail server, smtp service and sendmail command. The original text of this article is from Mipu Blog: Three ways of sending e-mail in Python Python sending email is relatively simple. It can be sent by login mail service, by calling sendmail command under linux, or by using local or remote smtp service. I ...

Resolution of each subcommand initiated by the main function of get subpackage under cmd package /geth init function: Import the json of the Genesis Block with the specified json as the Genesis Block args:<genesisPath> demo: init /home/yujian/eth-go/genesis.json Note: ethereum defaults to create a. ethereum directory with a path ...

I. Pre-deployment notes: CIP: 10.10.1.1/24 VIP: 10.10.1.222/24 DIR: Eth1:10.10.1.100/24 Eth0:192.168.1.2/24 RS server: (assuming there are only two RS servers at the back end) RIP1 (Eth0:192.168.1.12/24 & Eth1:10.10.1.10/24 (providing nginx services) RIP2 (Eth0:192.168.1.13/24 & Eth1:10.10.1.11/24 (providing nginx ...

1. First open the image file we generated through the dd command fd = open(argv[1], O_RDWR); 2. Write superblock write_superblock(fd) Let's see in detail how superblocks are written. static int write_superblock(int fd) { struct simplefs_super_block sb = { .version = 1, .magic = SIMPLEFS_MAGIC, .block_size = SIMPLEFS_D ...

Catalog Linux High Performance Network: Co-op Series 01-Preface Linux High Performance Networks: The Origin of the 02-Protocol Series Linux High Performance Network: A Case Study of Co-Projects Series 03-Co-Projects Linux High Performance Network: Working Principle of Co-Program Series 04-Co-Program Implementation Linux High Performance Netwo ...

MySQL official download address: https://dev.mysql.com/downloads/mysql/   #Mariadb in unloading system [root@hdp265dnsnfs ~]# rpm -qa|grep mariadb mariadb-libs-5.5.44-2.el7.centos.x86_64 [root@hdp265dnsnfs ~]# rpm -e --nodeps mariadb-libs-5.5.44-2.el7.centos.x86_64 #Delete my.cnf file in the etc directory [root@hdp265dnsnfs ~]# rm /etc/my.c ...

linux Interprocess Communication Series 6, using message queue Concept: Message queuing, first in first out (FIFO), once the message is out of the queue, it disappears from the queue. 1. Create a message queue 2. Write messages to message queue 3. Read messages from message queue 3. Delete message queue 1. Create a message queue #inclu ...

Ansible Command Application Foundation A previous article talked about the installation and functionality of Ansible. If you are interested, you can take a look at it. Introduction and installation of Ansible . Learning ansible is learning commands and grammar again. Ansible You can use the command line for automated management. The ba ...

Environment introductionNode1 serves as the primary node of NTP, and all other nodes synchronize from node 1.Node IpNode1 192.168.20.101Node2 192.168.20.102 All nodes install ntp packages: yum install ntp Modify node1 master node/etc/ntp.conf to add the following: restrict 192.168.20.0 mask 255.255.255.0 nomodify notrap That is to say, ...

1. Download and install vsftpd-rpm package   yum install centos-x86_64/vsftpd-2.2.2-24.el6.x86_64.rpm -y 2. document /etc/vsftpd/vsftpd.conf master configuration file /etc/init.d/vsftpd startup program Relevant configuration files when using PAM module in/etc/pam.d/vsftpd If / etc/vsftpd/ftpusers cannot log in to FTP account, please write to t ...