Linux

Yii2 yii\db\exception Error in Linux Error indication: Database exception–yii\db\exception sqlstate[hy000] [2002] No such file or director error Reason: PDO cannot be linked to a mysql.sock (or mysqld.sock) file path in PHP

first, RYSNC through the service synchronizationRsync is synchronized by serviceTo edit a configuration file/etc/rsyncd.confStart Service rsync--daemonFormat: Rsync-av test1/192.168.127.133::module/dir/ vim /etc/rsyncd.confRsyncd.conf Sample

36, rsync through the service synchronization, Linux system logs, screen toolsOne, rsync through the service synchronizationThis approach can be understood as: Establish an rsync server on the remote host, configure the various applications on the

10.32 rsync via service sync onRsyncd.conf Sample Exampleport=873Log File=/var/log/rsync.logPID File=/var/run/rsync.pidaddress=192.168.104.160[Test]Path=/tmp/rsyncUse Chroot=trueMax Connections=4Read Only=noList=trueUid=rootGid=root#auth

Sometimes we accidentally delete or corrupt the/etc/sysconfig/network-scripts/ifcfg-eth0 (which can be viewed via this file) and do not know what the network card UUID is when you re-edit the Ifcfg-eth0 file ( Of course you can not write), then we

Pro-Test Success!Reference URL:Nested routines: https://my.oschina.net/moooofly/blog/506466.htmlLinux cannot find a dynamic link library. So file resolution Https://www.cnblogs.com/xudong-bupt/p/3698294.htmlLinux shared library, static library,

Eight weeks two sessions (March 27)10.28 Rsync Tools Introduction10.29/10.30 rsync Common Options10.31 rsync sync via sshThe native a directory to B directory at a small time just added a file. Either find the file, or cover the B, and read and

30.1 Auditctl: Audit system for control cores 30.2 Aureport: Generate Audit Information Report 30.3 Ausearch: Search Audit Records 30.4 AUTRACE: Tracking the specified process 30.5 Audit-viewer: Graphical tool for viewing and summarizing

37.1 Mkbootdisk: Create a standalone boot floppy for running the system 37.2 chroot: Switch the root directory environment 37.3 badblocks: Searching for bad blocks of devices 37.4 MKINITRD: Creating an image file to load RAMDisk 37.5

15.1 chmod: Changing the mode of files and directories 15.2 chown: Change the user owner and group owner of files and directories 15.3 chgrp: Changing the owning group of a file or directory 15.4 Umask: Show and set file and directory

18.1 fdisk: Partition table Management 18.2 parted: Partition maintenance Program 18.3 cfdisk: Disk-based partitioning operations 18.4 Partx: Tell the kernel about the number of partitions on disk 18.5 sfdisk: Partition table

A Linux of hard drives and partitions(1) Hard disk: The hard disk of the IDE interface is represented as "HdX", while for the SCSI interface The hard disk is represented as "SdX". where "X" can be A, B, C, D and other alphabetic numbers.For example:

Nginx ("Engine X") is a high-performance Web and reverse proxy server developed by the Russian program designer Igor Sysoev and is also a IMAP/POP3/SMTP proxy server.In the case of high connection concurrency, Nginx is a good substitute for Apache

How to install RawTherapee 18.04 in Ubuntu 17.10/16.04/5.4 The open source Raw image processor RawTherapee 5.4 was released a few days ago. The following describes how to install Ubuntu 16.04, Ubuntu 17.10, Ubuntu 18.04, and derivative

Linux shell script Regular Expression instance explanation, shell instance explanation I. concepts and features of Regular Expressions: A regular expression is a logical formula for string operations. It uses predefined characters and combinations

Ubuntu14.04 backup and recovery system tutorial, After installing Ubuntu, do not forget to install the for linux Firewall and anti-virus software. Before backing up the system, make sure the system is correct and clean: My operating System is

Linux DNS Configuration Modification tutorial, linuxdns configuration tutorialQuestion A problem occurs at work. You need to modify DNS resolution. Solution Change the/etc/resolv. conf file to the following Configuration: Nameserver

Compress and package CentOS documents. .Rarcompressed file is not identified in linux, and .zip can be used in windows and Linux. . Gz: Files compressed by gzip . Bz2: Files compressed by bzip2 compression Tool . Tar: A file packaged by the tar

Hadoop2.7.3 + HBase1.2.5 + ZooKeeper3.4.6 I. Environment Description Personal Understanding: ZooKeeper can build clusters independently. HBase itself cannot build clusters independently and must be integrated with Hadoop and HDFS. The cluster

Configure Lua to forward Nginx request Replication Configure Nginx to copy requests and forward them to other applications. The following are the steps you have set up and your understanding to facilitate future use. 1. Establish the environment The