PHP

My blog has been ruined for a long time and I have not kept a record. all my children are three years old. Share some useful things with us. I have made a leak scan on the security inspection of XX units in. let's release the prototype for your use

91 process information Collection 1 process is a running instance of the program, multiple processes running on a computer are assigned a unique identification number called process ID. 2 multiple instances of the same program can run simultaneously,

Apache & amp; 43; mysql & amp; 43; php that has been installed and can be used normally. Download the current Pre-BuiltPackagesforStableversion (http: nginxorgpackagescentos Apache + mysql + php that has been installed and can be used

Linux is a multi-user, multi-task system. if you can run multiple programs of multiple users at the same time, many processes will inevitably be generated, and each process will have different states. Linux process status: R (TASK_RUNNING),

This article applies to the following three cases: 1. grub fails to be started after the backup is restored with tar, this is common after the partition is changed. 2. when linux is started, minimalbash-likelineeditingissupported cannot be started

81 disk usage statistics 1 disk space is a limited resource 2 df and du are important commands used in Linux to measure disk usage. df is short for diskfree, du is the abbreviation of diskusage 3. find a file (or multiple 8.1 count disk usage 1.

& Amp; 65279; & amp; 65279; function: output valid user IDs and group IDs & amp; 26684; type: ID [OPTION] & hellip; [USERNAME] description: output USERNAME user and group information, which is ignored by-a to be compatible with other versions-Z, --

Linux network settings mainly involves the configuration file: IP-related parameter settings IP-related parameter configuration file for the etcsysconfignetwork-scriptsifcfg-eth0, as shown below: DEVICE = eth0BOOTPROTO = staticBROADCAST = 1010100255

& Amp; 65279; & amp; 65279; role: change user password & amp; 26684; formula: passwd [options] [LOGIN] description: normal users can only change their own passwords; A super user can change the password of any account or the validity period of the

Directory operation: rm-rfmydir * delete the mydir directory * mkdirdirname * create a directory named dirname * cdmydir * and go to the mydir directory * cd-* back to the parent directory * cd, available in the middle & amp; 26684; * cd ~ * Back to

I recently saw exec & lt; $1exec1 & gt; $ OUTFILE when I was reading unixshell script programming. After reading it online for a long time, I finally got it done. The record is as follows. For Linux, all operations on devices and files are When I

Sharing folders in Windows makes it easier and easier to implement virtual machines in Vmware. After installing the virtual machine, first install the Vmware-tools toolkit, and then configure the folder sharing function. This article demonstrates

1. start the external server: echoaaaaa & gt; varwwwhtmlindexhtmlservicehttpdstartelinks192168200238 the access server chkconfighttpdon does not need to be restarted. 2. whichls checks the local ls and uses this command. 1, Start external

Generally, nohup and screen are used. The latter is more powerful. Simple use of screen is the screen into the screen mode (the first time you run the program) screen-D-RR returned from the screen mode (when you run the program again) today found a &

The transmission process of the MUA, MYA, and MDA components and the SMTP server is as shown in the preceding figure. several important components are as follows: 1) MUA (MailUserAgent ): that is, the Mail client software, such as Windows Outlook,

4. analyze a complete example. we assume that the ppp0 interface is connected to the Internet, and the eth0 interface is routed to the internal network. The IP address of ppp0 is 1281381014, the IP address of eth0 is 10111, and the subnet mask of

Recently, need to establish ssh connection with remote vps, especially need to link server port 7070, the command is as follows: sshIP-Lusername-P22-D7070 description: ip is ip or complete domain name-L: parameter [link]-P: [parameter]-D: [parameter]

1. in Linux, the grep command is a powerful text search tool that uses regular expressions to search for text and print matching lines. Grep stands for GlobalRegularExpressionPrint, which indicates the global regular expression version. 1. Role In

Installation: [root @ localhostetc] rpm-qa | grepnfsnfs-utils-lib-115-6el6i686nfs4-acl-tools-033-6el6i686nfs-utils-123-36el6i686 [root @ localhostetc] rpm-qa installation: [Root @ localhost etc] # rpm-qa | grep

1. use commands to back up the home page to enter the mysql bin directory 1. backup data mysqldump-uusername-ppassworddiscuz & gt; in this way, the discuz_2010-04-01sql backs up all the table structures and data in the discuz database to the discuz_2