Linux

Mod_limitipconn module Download Http://dominia.org/djao/limitipconn2.html Installation of Linux Environment If you need to install Mod_limitipconn manually, please follow the instructions below. The following instructions are primarily applied to

Rsync is a data mirroring Backup tool under Unix-like systems--remote sync. is a fast incremental backup tool remote Sync, which supports local replication or synchronizes with other SSH and rsync hosts. By building rsync server and client, it is

As for the Windows operating system, everyone is very familiar with it, because now 90% of the computer host is using it. The mention of Linux, for most people, is relatively unfamiliar, because in the PC maturity, the computer is rarely used to

Test machine A variety of errors, create a directory are error, DF looked, found Volgroup-lv_root 100%, virtual Disk full, how to do? 1, the settlement process# Df-h//view partitions# Umount/home//Cancellation mount# e2fsck-f/dev/mapper/volgroup-lv_

The Linux server was recently upgraded because the previous configuration was so low that the database could not be accessed. After an upgrade, found that the allocation of a 50G data disk, and the need to mount their own system, so have to find

1, solve the Chinese garbled problem. Originally wanted to facilitate the use of the system, deliberately selected the Chinese installation, the results command line in Chinese to display a pile of square symbol, since it is playing the server

User Configuration file Files in the/etc/directory, only the root user has permission to modify. The global profile of the application software is not normally available to the normal user, and you can modify the user profile if you want to

The code is as follows Copy Code #!/bin/bashD= "/root/backup"t= ' Date +%y%m%d 'if [!-d ' ${d}/${t} ']; Then/bin/mkdir "${d}/${t}"Fi/usr/local/mysql/bin/mysqldump--host=localhost--user=root--password= database password to back up the

Suspend is a built-in shell command to pause the shell currently being executed. To recover, you must use SIGCONT information.SyntaxSuspend [-f]Parameter description: -F if the currently executed shell is the login shell, the suspend cannot be

Smbd is a Samba server program. It can share files, printers, and other network resources for Windows-related client programs to access.SyntaxSmbd [-aDhoP] [-d ] [-I ] [-l ] [-O ] [-p ] [-s ]Parameter description: -All connection records of a are

Permission: all users.SyntaxTalk person [ttyname]Parameter description: Person: The user account that you want to talk to. If the user is on another machine, you can enter the person@machine.name Ttyname: if the user has more than two tty

The Linux wall command will send the message to every online user whose mesg is set to yes. When the terminal interface is used as the standard input, the EOF (usually Ctrl + D) must be added at the end of the message ).Permission: all

Ifconfig can set the status of the network device or display the current settings.SyntaxIfconfig [network device] [down up-allmulti-arp-promisc] [add ] [del ][ ] [io_addr ] [irq ] [media ][Mem_start ] [metric ] [mtu ] [netmask ] [tunnel ][-Broadcast

Httpd is an Apache HTTP server program. Directly execute a program to start the server service.SyntaxHttpd [-hlLStvVX] [-c ] [-C ] [-d ][-D ] [-f ]Parameter description: -C execute the command in the option before reading the configuration file.

Uulog can be used to display records in UUCP record files.SyntaxUulog [-DFISv] [-] [-f ] [-I ] [-n ] [-s ] [-u ][-X ] [-- help]Parameter description: -D or -- debuglog displays error records. -F or -- follow is similar to the-F parameter,

The getty command is one of the three steps required when an operating system such as UNIX is started.SyntaxGetty [-h] [-d ] [-r ] [-t ] [-w ] [terminal no.][Connection speed ] or getty [-c ]Parameters: -C specifies the definition configuration

Symlinks checks the symbolic connections in the directory and displays the symbolic connection type. The following are the types of symbolic connections that can be judged by symlinks:Absolute: the absolute path is used for symbolic

The Linux mke2fs command is used to create an ext2 file system.SyntaxMke2fs [-cFMqrSvV] [-B ] [-f ] [-I ] [-N ] [- l ][-L ] [-m ] [-R = ] [device name] [number of blocks]Parameters: -B specifies the block size, in bytes. -C. Check whether any