Configure iptables firewall in CentOS

Command and configuration file/etc/sysconfig/iptablesserviceiptablesrestart # start enabled # restart permanently disable firewall chkconfig -- level35iptablesoff // CentOS5.2 firewall settings such as enabling 80 command and configuration file /Etc/

Use the zip command in linux

Why is the zip command used in linux: I am too busy recently and have no time to learn new things. today I am using the zip command, but I am not familiar with it. record it for www.2cto. comzip syntax [plain] zip compressed file name compressed

Configure the Samba server on Debian

Configuring Samba server 1 on Debian introduces that if a certain unit and their desktop computer must use the M $ Windows platform, they may inevitably need Windows server products, for example, WindowsNTServer or Windows2000Serv... Configuring

Four common causes of SELinux warning

Four common causes of SELinux warning this article describes four causes of SELinux warning and solutions. Www.2cto.com cause 1: The core concept of SELinux is labeling, whether it is a file system, directory, File, file startup descriptor... four

Analysis of Linux boot process based on Linux study notes

Linux study notes: Linux boot process 1. Linux boot process: frimeware -- bootloader -- kernel -- init --/etc/inittab -- initdefault --/etc/rc. d/rc. sysinit --/etc/rc. d/rc/--/etc/rc. d/rcN. d (N indicates 0 ~ 6 digits) Linux study notes: Linux

How to troubleshoot ubuntu disconnection using ssh in Xshell

Xshell connection to ubuntu via ssh solution 1. Xshell client sets www.2cto.com to modify KeepAlive Time 2. server side modify/etc/ssh/sshd_config file, find ClientAliveInterval0 and ClientAliveCountMax3 and annotate... Xshell connection to ubuntu

Check which program occupies the port

In both Linux and Windows, programs that use ports such as nginx, mysql, and apache cannot be started. The following describes how to check whether a port is occupied by that program on Linux and Windows respectively. Www.2cto. comLinux: use the

How to decompress an iso image file in linux

How to decompress the iso image file in linux. the iso file format is iso9660, and iso9660 is a file system on cd, that is, www.2cto.com is the form of data organization on cd. some of its restrictions are: 1. a maximum of 8 sub-directories (you can

View system resources in linux

Linux system resources to view the system www.2cto.com # uname-a # View kernel/operating system/CPU information # head-n1/etc/issue # view the operating system version # cat/proc/cpuinfo # View CPU information # hostname # View Computer Name #...

CentOS network settings modification

1. CentOS modify the IP address to modify the corresponding network interface IP address configuration file # vi/etc/sysconfig/network-scripts/ifcfg-eth0 modify the following content DEVICEeth0 # Description of the network interface corresponding to

Usage of sfdisk and parted in linux

Usage of sfdisk and parted in linux SFDISK: sfdisk [-? Tvx] [-d & lt; hard disk & gt;] [-g & lt; hard disk & gt;] [-l & lt; hard disk & gt;] [-s & lt; Partition & gt;] [-V & lt; hard disk & gt;] sfdisk is a hard disk partition tool program that

Simple Linux command line notes: dmesg

Simple Linux command line notes: dmesg displays the kernel message www.2cto. comdmesg [options] dmesg can be used to show that when a message system is started in the kernel ring buffer, the kernel will fill its ring buffer with messages related to

Obtain the Vim ex command output

Obtain the Vim ex command output. if you want to know whether the python option is enabled during Vim compilation, you want to know which vimscripts are loaded when Vim is started. You may know which ex commands are used. However, you cannot search

Ubuntu source code compilation and installation cmake-2.8.10.2

Region, address http://www.cmake.org/cmake/resources/software.html Www.2cto. com1, unzip the cmake-2.8.10.2.ta ubuntu source code to compile and install the cmake-2.8.10.2 from the cmakeofficial network download the latest cmake.pdf, the pen

Yum package installation, use, configuration and practice

Yum package installation, use, configuration, and practice recently some software has been installed in Centos. due to limited Internet access time, therefore, we plan to use the two DVDs installed in Centos as the local source (these two DVDs

How to install deb package in Ubuntu

Deb package installation method in Ubuntu deb is debianlinus installation format, and redhat rpm is very similar, the most basic installation command is: dpkg-ifile.debdpkg is DebianPackage short, is a suite management system specially developed for

Shell script error example

A shell script error often occurs when writing a script: write it in windows and copy it to execute it. However, an error is reported when you test it, the error is amazing. for example, the syntaxerrornearunexpectedtokendo error occurs in my for

How to create a local LLVMSVN Image Library

Creating a local LLVMSVN image library to create a local LLVMSVN image has some advantages, but it takes a lot of time. However, once the image is created, it will be much easier to use later. You can use LLVM code when there is no network or the

Fedora17 installation of Qt5.0.0/usr/bin/ld: cannotfind-lGL solution

Fedora17 installation of Qt5.0.0/usr/bin/ld: cannotfind-lGL solution if it is fedora17 installation of Qt5.0.0, after the installation is complete, run the project:/usr/bin/ld: cannotfind-lGL-I: the corresponding library file www.2cto.com cannot be

Nginxhttps encryption and nginx log configuration and management

Nginxhttps encryption and nginx log configuration and management use the advantages of Nginx as a WEB server, Nginx is highly efficient in processing static files, index files, and automatic indexing. As a proxy server, Nginx can implement non-cache

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