Linux

Building the server first step: Install the databaseI chose the more general MySQL here to meet most of the market needs.First of all, prepare the MySQL compression pack Xshell and xftp here to address:

Installation Environment:Yum-y install make GCC gcc-c++ kernel-devel M4 glibc-devel autoconfYum-y install ncurses-devel OpenSSL openssl-devel UnixODBC unixodbc-develDownload Erlang to SRCUnzip, switch directories to CD otp_src_19.3, check the

One, from the bare board to the systemIn general, the CPU has a boot code, such as the Nuvoton nuc900 series of chips inside there is a IBR program to control the startup process, the USB boot is responsible for loading the USB driver, so that the

I. Files and directories. (file directory of additions and deletions to change) Ls Pwd Cd Mkdir Touch RmDir ln Dd Rm Cp Mv nl Cat Tac More Less Head Tail ########################################### Grep

LoadRunner the following error occurred while monitoring Linux Resources:　　Monitor Name:unix Resources. Cannot initialize the monitoring on 192.168.52.189. Error while creating the RPC client. Ensure that the machine can is connected and that it

1 First confirm whether Linux is installed on the Java, if there is no need to install.Check method: Linux command: java-version2 If there is no similar hint, it proves that Java is not installed, then see if Linux is 64-bit or 32-bit, so choose

Article transferred from https://www.ezloo.com/2009/05/linux_poweroff_and_reboot.htmlRestart command:1, reboot2, Shutdown-R now restarts (root user)3, Shutdown-rTenautomatic Restart after 10 minutes (root user)4, Shutdown-r -: *Restart on time 20:35

1. Delete MAC address, modify IP[Email protected] network-scripts]# vim Ifcfg-eth0[email protected] network-scripts]# Cat!$ # Remove MAC address, modify IPCat Ifcfg-eth0Device=eth0Nm_controlled=yesipaddr=192.168.1.63netmask=255.255.255.0gateway=192.1

1. What is the kernel stack for a process?In a kernel state (such as an application process executing a system call), the process runs with its own stack information (not the stack in the original user space), but instead uses the stack in the

Config file for Ip/netmask/gw/dns properties:/etc/sysconfig/network-scripts/ifcfg-ifaceRouting-related configuration files:/etc/sysconfig/network-scripts/route-ifaceDescription: Fcfg-iface defines interface properties through a number of parameters.

Turn-cut: 77418413The above image is truncated to the first connection, followed by a simple description of the text:1, the first color box, file Type column , here is a brief description of several common types, d represents a directory file, for

1: Memory utilization indicator name indicator meaning units acquisition mode (Linux) acquisition mode (Windows) AGT. Available memory GB Get memavailable

1. Download Xampp https://www.apachefriends.org/zh_cn/download.html or http://sourceforge.net/projects/xampp/files/XAMPP% 20linux/1.8.3/2.chmod-r 755 Xampp-linux-x64-7.2.8-0-installer.run3./opt/lampp/lampp start4. Not every time you start with the

Batch Rename File for inch " $var " " $var " ' s/....$// ';d one //will remove the. bak after the file name for inch " $var " " $var " ' s/...$/xxx/ ";d One//change the last three characters of the file name to XXXIptraf-ngYum-y Install

1. Virtual Software Installation 1.VMware Virtual Software ESX GSX WorkStation (recommended) 2. Create a new virtual machine Type: Typical OS: Linux Redhat set up network: Bridge (Bridge) CDROM: Select ISO image installation

Command formatCommand "-Options" "Parameters"Description: The use of individual commands does not follow this format, "" This notation means that you can omitMountMount-t Cifs-o username=tiandy,password=1111//10.30.20.56/webroot6/root/apache-tomcat-6

Recently, the newly built Amazon EC2 Server, which deploys a static web, initiates an nginx proxy. Recently found a problem:Nginx process interval time on the inexplicable hang off, and then there is the site can not open the dilemma.To prevent this

1:top command to view CPU usage. (because top is a real-time refresh, memory consumption is larger)P: In descending order of CPU usageM: In descending order of memory utilization2:free command to view memory usageFree-m in units of MFree-h in G3:

上面脚本在系统的/var/log/.history下新建个history目录，记录所有登陆过系统的用户和IP地址（文件名），每当用户登录/退出会创建相应的文件，该文件保存这段用户登录时期内操作历史，可以用这个Vim/etc/profile.d/history.SHuser_ip=`W.H.O.-U am I2>/dev/NULL|awk '{print $NF}'|sed-E's/[()]//g'' Histdir=/var/log/. Historydt=`Date+%y%m%d '

Take the was server as an example1.cd/etc2. VI Profile3. Append Java-related environment variable values at the end:Export Java_home=/opt/ibm/websphere/appserver/javaExport path= $JAVA _home/bin: $PATHExport classpath=.: $JAVA _home/jre/lib: $JAVA