Cloud Applications

Nginx sets the whitelist www.2cto.com based on the end number of the website user. In fact, this requirement is very common. a new function is developed. First, you need to test run the function on the website. Therefore, you need to set a whitelist

Sshpass + ssh automatically enter the password to connect to the C code sshpass-p & amp; #39; password & amp; #39; ssherdan@192.168.1.2 # can put the password in a file (the first line ?), Then, the-f parameter specifies the file. during The

The disk file of the Suse system was damaged and recovered this morning. it was found that the development machine could not be connected because of the power failure of the property during the weekend. Boot, but the machine cannot start.

In vim, the tab is automatically converted to a space. in vim, the tab is sometimes converted to a space. Use the ret command (replacetab ). [Range] ret [AB]! [New-tabstop] www.2cto.com: for example, convert the tabs from the first row to the end of

Kernel version of The _ read_mostly variable in the Linux kernel: 2.6.14 when reading the socket source code, there is the following sentence (net/socket. c): [plain] staticstructvfsmount * sock_mnt _ read_mostly; I think _ read_mostly is very

After RedHat6.364 is installed, add the current user to the management group echo & amp; #39; jedrekALL (ALL) ALL & amp; #39; & gt; modify/etc/sudoers to CentOS's yumrpm-aq | grepyum to view rhel's yumwww.2cto. com1PackageKit-yum-plugin-0. RedHat6.3

The solution to the failure to store the txt files uploaded by the system was reported by the customer today, and the data in the txt files uploaded in the system could not be stored in the database. In the System program, the database calls

View local user shell1 #! /Bin/bash2 # Purpose: www.2cto. com3 view local user shell4line 'cat/etc/passwd | grep $1 '5if [$? -Eq0]; then6echouser: $ 17else8echo & quot; Notuser & quot; 9exit010... view local user shell 1 #! /Bin/bash2 # Purpose: www.

Eth0, eth1, eth2, lo what is eth0, eth1, eth2 & hellip; represents network adapter 1, network adapter 2, Network Adapter 3 & hellip; lo represents 127.0.0.1, for localhost, refer to: Linux command: ifconfigwww.2cto.com function description: Display

In Linux, how does one view the so letters? many are very familiar with the dll that the windows process depends on, www.2cto.com uses depends, and linux uses ldd commands. View functions windows using dumpbin, linux using www.2cto.

Linux process priority 1. how to query the PID and PRI value of the crond program [root @ localhost ~] # Ps-lfCcrondFSUIDPIDPPIDCPRINIADDRSZWCHANSTIMETTYTIMECMD1Sroot384710780... Linux process priority 1. how to query the PID and PRI value of the

In most Linux releases of Linux memory virtual disks, memory disks use the/dev/shm path by default. the default size of the file system type tmpfs is the actual memory size, this is in line with the actual operation habits. The operation path is the

Modify the resolution of Linux text (command line) mode. the default resolution of my system text mode is 800*600. when I use lynx to browse the webpage, I feel that the font is too large, if you want to adjust the resolution in this mode, google

In linux, in addition to primary, the IP addresses added to secondaryiplinux also have two types: 1. ipalias (sub-interface) 2. secondaryip (secondary ip) www.2cto.com can be added to a physical network card. alias is added by ifconfig. when

When linux disk space is full, using rm-fr to delete log files is not a good solution, the space cannot be released after the file is deleted because of the existence of the file handle opened. it is better to use the following command www.2cto. com1

The installation tree of Linux is created. the installation tree of the Xen virtual system is used as an example to install the Linux virtual system in the semi-virtualization environment of the Xen virtual machine. the installation tree of the

The ffmpeg project consists of the following parts: www.2cto. the comffmpeg command line tool for converting video files. It also supports capturing and encoding video files through real-time video cards. ffserver is a multimedia service for

Vim default configuration (standby) sometimes feels that vim is not configured well and is not easy to use, so you can record this configuration. Www.2cto. com1.vim/home/administrator/. vimrc2. clear the content and add the following configuration

Shell reads the file and updates it to the database (awk assigns an external variable) www.2cto.com #! /Bin/bashfile%39%20121224_finaldatapm.csv & amp; #39; MYSQL & amp; #39;/usr/local/mysql/bin/mysql & amp; #39; USER & amp; #3 shell reads files and

Nginx self-starting script 01www.2cto.com # Under Centos #! /Bin/bash02 # ckconfig: 345404003NGINX_PATH/web/container/nginx-1.2.604NGINX_COMMAND $ NGINX_PATH/sbin/nginx05NGINX_PID $ NGINX_PATH/l Centos Nginx self-starting Script 01 www.2cto.com #!