unix commands

It took me two days to sort it out, and some of the most common commands that people on Earth know would be skipped! Finally, download the pdf manual. command to change the archive owner: chown [-cfhvR] [-- help] [-- version] user [: group] file... function: change the file... It took me two days to sort it out, and some of the most common commands that people on Earth know would be skipped! Finally, downlo

Command Xiaoming refers to zookeeperPasswd Change User PasswordPwd print Current DirectoryCd change DirectoryLs to list files in the directoryWildcards wildcard * matches any number of charactersWildcard? Match a single characterType of the file to be printedCat display file contentPr display file contentPg page displays the file content on one page at a timeMore display file content on one page at a timeClear Screen ContentCp copyChown Modify file ownerGroup where the chgrp file is modifiedChmo

%si, 0.0%stMem: 3924872k total, 3438424k used, 486448k free, 529588k buffersSwap: 7574520k total, 0k used, 7574520k free, 1873432k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND29561 root 20 0 105m 1096 728 R 99.6 0.0 1:06.54 bash 695 root 20 0 0 0 0 S 0.3 0.0 4:35.89 vmmemctl29562 root 20 0 15024 1388 1008 R 0.3 0.0 0:00.13 top 1 root 20 0 19228 1532 1248 S 0.0 0.0 0:11.67 init 2 root

Od The OD (octal dump) filter will convert the input (or file) to octal or other hexadecimal. You need to view This command is useful when processing binary data files or an unreadable system device file, For example,/dev/urandom, or a binary data filter. DdThis is also a well-known tool, but it is a frightening "Data Replication" command.It is used to exchange data between a Unix microcomputer and an IBM mainframe through tape. This command still ha

The vi editor has three modes: Command mode, input mode, and last line mode. It is very important to master these three modes: Command mode: After vi is started, the command mode is entered by default. From this mode, you can use the command to switch to the other two modes. In any mode, you only need to press the [Esc] key to return to the command mode. Enter the subtitle "I" in command mode to enter the vi input mode. Files. Input mode: In this mode, you can edit, modify, input, and so on. In

First, matters needing attention The command and argument must be separated by a space, and the arguments and arguments must be separated by a space. A line cannot be more than 256 characters, and case sensitivity. Second, the meaning of special characters File name with "." Start with hidden files/directories, just add "." in front of the file/directory name. You can hide it. ~/represents the home directory. ./current directory (one point). .. /Top level directory (two points). ; Multip

It took me two days to sort it out, and some of the most common commands that people on earth know would be skipped! Finally, download the pdf manual. command to change the archive owner: chown [-cfhvR] [-- help] [-- version] user [: group] file... function: Change the file or folder owner parameter format: user of the new file owner IDgroup: user group of the new file owner-c: if the archive owner has changed, the change action is displayed.-f: If th

Environment ubuntu14.04 (this Unix-like system is used to replace UNIX, and The sudo command is also a command in Linux)Example: Install the Ubuntu Firefox flash plug-inDecompress the tar.gz package to adobe.Tar-zxvf plug-in .tar.gzSudo CP libflashplayer. So/usr/lib/Firefox-Addons/pluginsSudo CP-r usr/*/usr (copy the content in the USR subdirectory of the plug-in package to the USR directory under the syste

Make is a very important compilation command, both in Linux and in UNIX environments. Whether you are developing your own projects or installing applications, we often use make or make install. With make tools, we can break down large development projects into more manageable modules, and for an application that includes hundreds of source files, using make and makefile tools, you can succinctly and concisely streamline the complex interrelationships

Activate the lock: vgchange-A y/dev/vglock Activate the lock Disk: vgchange-a n/dev/vglock Compile and generate a binary configuration file: # cmapplyconf-v-C/etc/cmcluster. ASC configure the dual-host software package to modify the following main files: scupkg. ASC control. Sh spy. Sh Synchronize the PKG configuration file on both nodes Compile and generate PKG: cmapplyconf-v-P/etc/cmcluster/scupkg. ASC to start the dual-host system: perform the following operations on scu_a as the root user: S

Common commands for packaging, compression, and decompression in Linux: . Tar Unpack: tar xvf FileName.tar Package: tar cvf FileName.tar DirName Note: tar is packed, not compressed --------------- . Gz Decompress 1: gunzip FileName.gz Decompress 2: gzip-d FileName.gz Compression: gzip FileName --------------- .Tar.gz and. tgz Decompress: tar zxvf FileName.tar.gz Compression: tar zcvf FileName.tar.gz DirName --------------- . Bz2 Decompress 1: bzip2-d

Common commands used by Linux in normal work: SCP is a file copy with security, SSH-based login. Easy to operate, for example, to copy the current file to a remote other host, you can command the following. Scp/home/1.gif [email protected]:/home/rootYou will then be prompted to enter the login password for the root user of the other 172.19.2.75 host, and then the CP and Ungzip are started.If you want to reverse the operation, copy the file from

1. Query IP address ifconfig2. Find port assignments for applications on the servergrep telnet/etc/services (telnet)Telnet using the TCP/UDP port number 23grep domain/etc/services (domain), Telnet Ftp Tftp http Https Snmp Domain Echo Discard Daytime Chargen Time 23 20 69 80 443 161 53 7 9 13 19 37 3.ping [IP Address], test the network for connect

Linux Command:Alias Function Description:Set the alias of the command. Syntax:Alias [alias] = [command name] Note:You can use alias to customize the alias of the command. If you only enter alias, all current alias settings can be listed.Alias is valid only for this login operation. To automatically set an alias for each login, you canOr set the alias of the command in. cshrc. Parameters:If no parameter is added, all current alias settings are listed.Example: Set the alias LL = 'LS-l'Set the

The DF command is a commonly used command for viewing hard disk information. The main parameters are as follows: DF-A: displays the disk usage of all file systems, including 0 block file systems.DF-I: displays the I node information, not the disk block.DF-T: displays the disk space usage of each specified type of file system.DF-X: List disk space usage of a file system of a specified type.DF-T: displays the file system type.DF in 512 bytes DF-K: in 1024 bytesDF-M: In megabytes Note 1: Is t

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Common commands for packaging, compression, and decompression in Linux :. tar unpack: tarxvfFileName.tar package: tarcvfFileName.tar DirName note: tar is packed, not compressed mdash; mdash; mdas Common commands for packaging, compression, and decompression in Linux: . Tar Unpack: tar xvf FileName.tar Package: tar cvf FileName.tar DirName Note: tar is packed, not compressed --------------- . Gz Decompre

Umask command Umask sets the default blocking value for User Files And Directories. If you place this command into the profile file, you can control the access permission for subsequent files created by the user. The umask command is the opposite of the chmod command, which tells the system not to grant certain access permissions when creating files. Cp, mv, and cpio commands When the cp command is used to copy a file, if the target file does not e

The umask command umask sets the default blocking value for user files and directories. if you place this command into the profile file, you can control the access permission for subsequent files created by the user. The umask command is the opposite of the chmod command, which tells the system not to grant certain access permissions when creating files. Cp, mv, and cpio command cp command Copy text Umask command Umask sets the default blocking value for user files and directories. if you place

1. Man-an interface to the on-line reference manuals$manMans2. apt-advanced Package ToolSee Also:apt-cache, Apt-get, apt.conf, sources.list$APT-cache search MySQL3.sudo-execute a command as another user (sudo allows a permitted user to execute a command as the Superuser or another User, as specified by the security policy.)$sudoinstall python2. 74.su-change user ID or become superusercc@debian: ~$supassword:[email protected]:/home/cc#succ cc@debian: ~$5. Ls-list Directory Contents$ls -l$ls -la6.