Linux

There are many Linux lookup commands, the most complex and commonly used is the find command. Which view the location of the executable fileWhereis View the location of the fileLocate view file location with databaseFind actual search hard disk

[root@node61 ~] #cat/proc/sys/net/netfilter/nf_conntrack_max24528 Because the default parameter setting for Nf_conntrack_max is relatively small, adjust it appropriately.Run the following code Cat >>/etc/sysctl.confNet.nf_conntrack_max =

Installation Rsync-3.1.0.tar.gz#tar ZXVF rsync-3.1.0.tar.gz#cd rsync-3.1.0#./configure--prefix=/home/work/rsync#make#make Install The configuration of Rsync server; Environment: 192.168.11.11 for production machine; 192.168.11.12 for backup

1. Background information In the case where the host host can surf the Internet, the operating system in the virtual machine is typically communicated with the host host by Nat mode. Virtual machines cannot be on the Internet by default. But with

SVN, if we submit a file with permission 755 under Linux, there is a svn:excuteable in the SVN attribute.Only in the local chmod 644 filename.php, can not be caused by modification.You can remove this executable property from the SVN client in

Command format:wget [Options] [URL] Startup class ParametersThis kind of parameter mainly provides some basic information of software.-v,–version Displays the software version number and exits;-H,–HELP display software help

Simple Web Site Backup script The code is as follows Copy Code #!/bin/bash#backup DatabaseMypw=cactieznewtime=$ (Date +%y%m%d)if [-d/var/www/backup/];thenMysqldump-u ROOT-P$MYPW DB

Suitable for using the LNMP environment to automatically back up the Web site and MySQL database and upload to ftp: The code is as follows Copy Code #!/bin/bashMysql_user=rootMysql_pass=rootftp_user=ftpftp_pass=123456ftp_

1. Download the jdk-6u4-linux-i586.bin to sun.com, assuming the download to the current user directory;2. Create the software directory under/home/abin and copy the jdk-6u4-linux-i586.bin to the software directory;3. find the terminal, go

Rmp (redhat package manager) was originally a program used by the Red Hat Linux release to manage various Linux suites. It is popular because it complies with GPL rules and has powerful functions and convenience. Gradually adopted by other releases.

Eval can read a series of parameters and then execute them according to their own characteristics.SyntaxEval [parameter]Parameter description: there are unlimited numbers of parameters separated by semicolons.InstanceConnect multiple commands# Eval

The newgrp command is similar to the login command. If it is the same account and another group name, log on to the system again. To use the newgrp command to switch to a group, you must be the user of the group. Otherwise, you cannot log on to the

The actual and valid IDs of users and groups are displayed. If the two IDs are the same, only the actual IDs are displayed. If only the user name is specified, the current user ID is displayed.SyntaxId [-gGnru] [-- help] [-- version] [user

Find the nginx installation source code root directory. If not, download the new source code.Http://nginx.orgTar xvzf nginx-1.3.2.tar.gzView ngixn extremely compiled parameters/Usr/local/nginx/sbin/nginx-VGo to the nginx Source Code DirectoryCd

Install vsftp software1. Update yum sourceFirst you need to update the system's yum source, convenient tool download address: http://help.aliyun.com/manual? Spm = 0.0.0.0.zJ3dBU & helpId = 16922. Install vsftpUse the yum command to install vsftp1 #