Linux

IntroductionWe can use the pipe to "standard output" of one command as the "standard input" of another command, but the standard output here is the data flow, but the input of some commands only receives the parameter command does not receive the

Linux Core idea: All documentsBlock devices: block, Access unit "blocks", diskCharacter device: Char, Access unit "character", keyboardDevice files: Linked to a device driver to communicate with the corresponding hardware deviceDevice number:Main

Sed:stream Editor, line editorsUsage:sed [option] ... ' Script ' Inputfile ...Script' Address command 'Common options:-N: Do not output the contents of the mode to the screen-e: Multi-point editing-f/path/to/script_file: Reading the edit script from

Find [Find location] [find standard] [processing action]Find a path: Default current directoryFind Standard: Default to all files under the specified pathProcessing Operations: Default is DisplayMatching Criteria：-name ' filename ': on file nameFile

1. Set the run level.# CD/ETC# Cat Inittab650) this.width=650; "src=" http://s4.51cto.com/wyfs02/M02/80/26/wKiom1c5Z4jxWIr1AACKeRATsd0060.jpg "title=" 1.jpg " alt= "Wkiom1c5z4jxwir1aackeratsd0060.jpg"/>Make sure that the run level is set to 5.2,

1.rsync Synchronous Backup1) Understanding RsyncRsync is an open source quick Backup toolFunction:can mirror the entire directory tree between different hostsSupport for incremental backupsMaintain permissions, links, support transfer

1. Root password hack stepA, when the system starts, quickly press any key or enter. Go to the Grub Options menuB. In the Grub Options menu, press E to enter edit mode and select kernel line up or down. Then press E to enter edit modeC, edit kernel

Abstract: Linux system, Chinese display garbledXshell is a powerful secure terminal emulation software that supports the Telnet Netsarang Xshell 4 Build 0120 protocol for SSH1, SSH2 and Microsoft Windows platforms. Use Xshell to quickly and easily

1. File descriptor     input: standard input  stdin,0    output: standard output  stdout,1              standard error  stderr,2     2.I/O redirection      Input redirection    >>    > Overwrite output     >> append output      4.set -C  prohibit

1. First download QT Package: Qt-opensource-linux-x64-5.6.0.run2. Add permissions to QT run: chmod u+x qt-opensource-linux-x64-5.6.0.run3. Implementation:./qt-opensource-linux-x64-5.6.0.run4. When executing./qt-opensource-linux-x64-5.6.0.run will

Help commandsMan commandThe level of man Command Help Functions that can be called by the kernel Help function and function library Help Special files Help/dev Configuration file Help Help with the game Other

650) this.width=650; "src=" Http://img.baidu.com/hi/jx2/j_0029.gif "alt=" J_0029.gif "/> One, On the last mention of the Linux shell command operation Principle, this time we look at the Linux shell Rights Management, so-called "permissions" refers

1, vi/etc/security/limits.conf* Soft Nofile 65535* Hard Nofile 65535* Soft Nproc 65535* Hard Nproc 65535Reference example, normal modification (Redhat6.4)2, vi/etc/security/limits.d/90-nproc.conf* Hard Nproc 65535* Soft Nproc 65535* Hard Nproc 65535*

Summary:Summarize the specific use of GCC, the related problems of dynamic library static libraryResources:"Linux network Programming" isbn:9787302207177 P191 About GCCGCC is a compilation toolset under Linux, an abbreviation for the GNU Compiler

NFS is a network File system protocol based on TCP/IP transmission, originally developed by Sun.With the NFS protocol, clients can access shared resources on a remote server as if they were accessing a local directory.NFS has excellent support for

MantisBT defect management system and mantisbt Management System Introduction: The company needs a defect management system, which is popular with Jira, Redmine and MantisBT. This time I sorted out MantisBT, which is exactly what the company needs

Redis master-slave configuration, redis master-slave Configuration 1. Download redis-2.8.24.tar.gz at http://redis.io/download. 2.decompress redis-2.8.24.tar.gz and install Tar xvf redis-2.8.24.tar.gzMv redis-2.8.24/usr/local/cd/usr/local/redis-2.8.2

Virtual bridge configuration, virtual bridge [Root @ OK network-scripts] # cat ifcfg-eth0 DEVICE = eth0HWADDR = 54: EE: 75: 4E: 37: D9TYPE = EthernetUUID = ea35184e-8417-4ce4-9843-dfc37a26a363ONBOOT = yesNM_CONTROLLED = noBOOTPROTO = noneBRIDGE =

Embedded linux tutorial, embedded linux Serial Communication minicom     2. NFS network file configuration   Create an nfs directory under the host/mnt directory, and use a text editor to edit and modify the/etc/exports file. Add the

Use memcached for tomcat cluster session sharing and memcachedtomcat Environment centos6.7. download and install the necessary software: yum-y install epel-release (tomcat7 is currently the mainstream version of tomcat7) Yum-y install tomcat