CentOS Iftop installation and use of the tutorial detailed

First, what is Iftop? Iftop is a real-time traffic monitoring tool similar to top.Official website: http://www.ex-parrot.com/~pdw/iftop/ Second, what is the use of iftop? Iftop can be used to monitor the real-time traffic of the network card (you

The use method of CentOS de decompression command


———————————————. tarUnpack: Tar xvf Filename.tarPacking: Tar cvf filename.tar dirname(Note: Tar is packed, not compressed!) )———————————————. gzDecompression 1:gunzip filename.gzDecompression 2:gzip-d filename.gzCompression: gzip FileName. tar.gz

CentOS System Upgrade Update basics

"System Update" Download the update Kit profile from the Capital Education Center Cd/etc/yum.repos.dMV Centos-base.repo Centos-base.repo.defaultLftp ftp.kh.edu.twget/pub/appl/yum/centos6/fix-yum-centos6.shExit chmod 755

Two methods of installing MYSQL5 database in CentOS system

To put it simply, it is easy to install the software yum and will automatically resolve the dependencies of each package. RPM is just a package. CentOS to install MySQL5.5 in RPM mode First go to the

Setting modify CentOS System time zone command introduction

Modify Settings Time zone Methods (1) Tzselect After you log in to SSH, execute the tzselect command.We choose Asia 5 here. Here choose the 9. Generally selected East eight (Beijing, Guangdong, Shanghai), you can also choose according to their

CentOS Set PATH environment variable some methods summary

. set a permanent PATH environment variable. All Users The code is as follows Copy Code #打开文件Vi/etc/profile# Add at the end, exitExport path= $PATH:/usr/local/go/bin#立即生效Source/etc/profile Multiple between we

CentOS install Nginx+lua_nginx+graphicsmagick generate real time thumbnails

Download: Software download address: http://soft.ileiming.com/gm.tar.gz Installation   code is as follows copy code TAR-ZXVF gm.tar.gz TAR-ZXVF graphicsmagick-1.3.12.tar.gz CD GraphicsMagick-1.3.12

CentOS System installation Configuration graphics and text tutorial

Description In the actual production environment, the CentOS 5.x series is still the preferred system for many server builders As of the current CentOS 5.x latest version of CentOS 5.10, the following describes the CentOS 5.10 of the specific

Install apache2.2.21 mysql5.5.18 and php5.3.8 on CentOS 6

Use local ISO file as Yum sourceStep # 1:mount an ISO file# yum Install Createrepo# Mkdir-p/mnt/iso/{1,2,3}# Mount-o LOOP/PATH/TO/CENTOS1.ISO/MNT/ISO/1Step # 2:create a repository# Cd/mnt/iso# Createrepo.Clean repo, enter:# Yum Clean AllStep #

CentOS 7 system compilation and Yum installation Docker

I. Compiling and installing Docker 1, upgrade the kernel to 4.3[Root@docaker-node01 ~]# yum install-y make gcc gcc-c++ OpenSSL openssl--devel ncurses ncurses-devel BC[Root@docaker-node01 ~]# wget http://mirrors.dwhd.org/Kernel/v4.x/linux-4.3.tar.xz[

The common commands/concepts used by mark in learning and using CentOS

Network configuration After installing the minimal version system, the CentOS system's NIC is not enabled by default, and we can edit the network configuration with the following command: Vi/etc/sysconfig/network-scripts/ifcfg-eth0 If you use

How to query CentOS version is 32-bit or 64-bit

Check to see if the system is 64-bit or 32-bit: The code is as follows Copy Code 1, getconf long_bit or getconf word_bit[Root@localhost ~]# getconf Long_bit64 List all version information, The code

The CentOS in Linux is checked after intrusion

Checking user logon Records More/var/log/secureWho/var/log/wtmp Check System daemon Check/etc/inetd.conf file, input: cat/etc/inetd.conf | Grep–v "^#", the output information is the remote service that your machine opens. A general intruder can

CentOS Uninstall Apache Method detailed

First turn off the httpd service /ETC/INIT.D/HTTPD stop List HTTPD Related packages Rpm-qa|grep httpd The following packages are listedHttpd-2.2.3-63.el5.centos.1Httpd-manual-2.2.3-63.el5.centos.1 Uninstall Package Rpm-e

CentOS under the DSTAT monitoring detailed dstat monitoring tool introduction

Dstat If the system does not have some tools yum-y install Dstat installation, the software is small, the package size is only 144k, installation size 660k. This tool will dynamically display the Cpu,disk,net,page,system load situation by default,

CentOS How to view the GCC version command under the current system

1. GCC-V (Display the programs invoked by the compiler) [Root@localhost/]# Gcc-v Reading Specs From/usr/i386-glibc-2.1-linux/lib/gcc-lib/i386-glibc21-linux/egcs-2.91.66/specs GCC version egcs-2.91.66 19990314/linux (egcs-1.1.2 release) 2. Rpm-qa|

What is the EXT4 file system in CentOS? What's the use of EXT4 in CentOS?

Linux Kernel formally supports the new file system EXT4 since 2.6.28. EXT4 is an improved version of EXT3 that modifies some of the important data structures in EXT3, not just as Ext3 to Ext2, but only adds a log function. EXT4 can provide better

How do I resolve the CentOS password cycle setting to take effect?

Some of the previous time in accordance with the company requirements of the security of some servers to strengthen the content of the reinforcement is to set the user password cycle time. It turns out that this wood is of a mission use. Below is a

CentOS 7.2.1511 System installation Configuration Diagram tutorial

Description As of the current CentOS 7.x latest version of CentOS 7.2.1511, the following describes the CentOS 7.2.1511 specific installation configuration process Server-related settings are as follows: Operating system: CentOS 7.2.1511 IP Address:

CentOS 5.5 app server shear ruling version, Lite version, ISO file download

Centos 5.5 app server shear ruling version, Lite version, iso file downloadBecause the original iso file is large (dvd4.5 G, and a CD 8), many services are installed by default, and the installation steps are cumbersome (it is not easy for new users)

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