CentOS

Today brings the set X Shell key loginBecause the Chinese x shell is used, it is easy to follow the Chinese setting1. Click Tools------The new User Key Generation Wizard (new)2. Then when it appears, remember the key type select RSA. In fact, the

First, prefaceAs a program that wants to engage in the background development of Java EE, how can the Linux system not learn? So, these days, I'm going to learn about the Linux operating system. Nonsense not much to say, straight to the subject.To

The first time you use the CentOS installation software, when you configure the binary package's./configure (./configure is the first step in the source code installation, the main role is to configure the software to be installed,)

system environment; CentOS Linux release 7.2.1511 (Core)Install the FTP server in yum mode: Yum Install vsftpd db4-utils FTPThen according to the specific needs and business scenarios, such as configuration, I am here to prohibit anonymous user

Server-side configuration1. Check if NFS is installedRpm-qa|grep NFSRpm-qa|grep RpcbindWithout this installation nfs-utils and RpcbindYum Install nfs-utils Rpcbind2. Set up boot serviceChkconfig NFS OnChkconfig Rpcbind on3. Start related

First, uninstall the original OPENJDK Rpm-qa | grep java After that will show up all unloaded and I here is 5 RPM-E--nodeps java-1.7.0-openjdk-1.7.0.111-2.6.7.2.el7_2.x86_64 RPM-E--nodeps java-1.7.0-openjdk-headless-1.7.0.1

methods for configuring local yum sources1. Mount Mirror configuration with optical drive1. 1 first put the CD in the CD-ROM drive, if this time drive has been mounted please use the Umount command first umount the optical drive off1. 2 Create the

Today, the MySQL server on the line suddenly did not listen to the real, the client connection also failed, not to mention the program, the connection is not!Client connection failed, error content:650) this.width=650; "src="

A problem was found when the recent project was deployed on line. Tomcat takes a long time to launch. Look at the logs and find that the longest time is:INFO [localhost-startstop-1] Org.apache.catalina.util.SessionIdGeneratorBase.createSecureRandom

The meaning of Samba's existence Sometimes in order to facilitate file sharing between Windows and Linux virtual machines, we generally use samba services to solve, some people will ask, Vmtool can not directly set share folder? But it's a lot

Experimental system: CentOS6.3 x64The advantages of the CD as a Yum source, install software quickly, do not need to network, the drawback is that the software can only install CD-ROM inside.First you need to enter the/etc/yum.repos.d/directory to

One of my CentOS boot start scripts   One, switch to/etc/init.d/  II, make SH script vi andy.sh[plain] #!/bin/sh     #add For chkconfig   #chkconfig: 2345   #description: The description of the shell   #关于脚本的简短描述   #proce Ssname:andystart            

for most system administrators, expanding the disk space of a Linux server is one of the daily tasks, especially for VMware-series virtual machines. Expand the space without restarting the virtual machine: Now run the following

RPM Package Installation:1. Install a Package# RPM-IVH2. Upgrade a Package# RPM-UVH3. Remove a Package# RPM-E4. Installation Parameters--force Force installation Even if overwriting files belonging to other packages--nodeps if the RPM package is

I. Kernel (SYSCTL.CONF)1. Increase the range of port numbersNet.ipv4.ip_local_port_range = 10240 650002.TCP/IP Reuse and Timeout limitsNet.ipv4.tcp_syncookies = 1Net.ipv4.tcp_tw_reuse = 1Net.ipv4.tcp_tw_recycle = 1Net.ipv4.tcp_fin_timeout =

Experimental environment: CentOS 6.5 x86_64MPlayer Official website: http://www.mplayerhq.hu/RPM Fusion Official Website: http://rpmfusion.org/EPEL Website: HTTP://FEDORAPROJECT.ORG/WIKI/EPEL/ZH-CN1. Prepare the Yum source.[Email protected] ~]# wget

CentOS uses SSHFS to quickly build file sharing servicesThe shared file server must have the SSH server openExample: Ip192.168.7.50yum-y install epel-release # installation Epel source yum-y installed FUSE-SSHFS # install SSHFS sshfs-o

Sometimes when you open a lot of memory-intensive programs on the server, but after you close these programs, you find that the memory space is still the same as when the application is not closed, so that other applications open when the memory is

[Email protected] ~]# vi/etc/sysconfig/network-scripts/ifcfg-eth0Device=eth0Type=ethernetOnboot=yesUuid=cb2546d2-05fa-44a2-ac1e-c8fa0a9c1c00Nm_controlled=yesBootproto=noneUserctl=noIpv4_failure_fatal=yesIpv6init=noName=

1 Installing DHCPYum-y Install DHCP650) this.width=650; "style=" Float:none; "title=" 2016-11-29_195637.png "src=" http://s1.51cto.com/wyfs02/M01/8A/DD/ Wkiom1g9b3iayovsaaay375_6a0595.png-wh_500x0-wm_3-wmp_4-s_2256669438.png "alt="