Linux

Open Apache configuration file/etc/httpd/conf/httpd.confFind "#LoadModule rewrite_module modules/mod_rewrite.so" To remove the previous #, if not, add this sentence, remember not to bring the # number.Allow the ". htaccess" file to be used in any

The Load is a little more abstract than it's been seen many times, Mark.CPU utilization refers to the percentage of CPU consumed during the runCPU load is in use and waiting for use for a period of time average number of tasks for CPU This can

Today, someone asked about the zombie process and the orphan process, which has been encountered before, but not much attention, here markZombie Process: The process fork out the subprocess, but the parent process does not call wait or waitpid to

1. Display Environment Variables Home$ echo $HOME/home/redbooks2. Set a new environment variable Hello$ export hello= "hello!"$ echo $HELLOHello!3. Use the ENV command to display all environment variables$

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 #include  #include  #include  #include  #include  #include    #define

Tar is responsible for packaging, Gzip is responsible for compressingTar-C: Create compressed archives-X: Unzip-T: View content-r: Append files to the end of a compressed archive file-U: Update files in original compressed packageThese five are

Main topic:Linux input / device software /RPM installation Linux Input Method:Note: After the installation of Sougou, it is very convenient to switch, shift directly to the Chinese and English switchingLinux Modify keyboard settings _helengreens_

Iostat to monitor IO performance#iostat-D-K 1 20Display Throughput Kb_read/s,kb_write/s,tpsDevice:tps kb_read/s kb_wrtn/s Kb_read kb_wrtnsda7.00 64.00 24.00 - -sda10.00 0.00 0.00 0

Can no longer be streamlined, suitable for getting started.1#include 2#include 3 4#include 5#include 6#include 7#include 8 structmengc_dev{9 Chardata[ -];Ten structCdev Cdev; One }; A intMengmajor; - structMengc_dev Meng_device; -

1. Download and unzip the source file from the official website www.tcpdump.org, here isTcpdump-4.5.1.tar.gzLibpcap-1.5.3.tar.gz2. Compile libpcap, install directory is/home/armroot, cross compilation cannot determine Pcap type, manually designated

UseSED, stream editing, can be used to analyze standard input, but also to replace, delete, add, take a specific line.Usagesed -nefr actionOptions and Parameters:-N: In general sed usage, all data from stdin is generally listed on the screen, but if

Https://download3.vmware.com/software/wkst/file/VMware-Workstation-Full-10.0.2-1744117.i386.bundleVm10To execute permissionschmod u+x Vmware-workstation-full-10.0.2-1744117.i386.bundle./mware-workstation-full-10.0.2-1744117.i386.bundleInstallation

Reprinted from: http://yjhexy.iteye.com/blog/785564Ubuntu Mouse key problem, in fact, is not a problem, Ubuntu mouse button is used to quickly paste, but Windows used to, and occasionally hand a point, the result of a lot of trouble1, open the

Tag:shell   linux    Compare files    ftp automatically copy     #!/bin/bashprocess=8pwd= ' pwd ' dat= ' date ' ftpip= "192.168.1.1" user= "Ftp_username" password= "Ftp_password" local_dir= "/home/" GetList () {ftp-n $ftpip $PWD/listuser $user

1. Create a new user with no home directory OpenStack2. Copy/etc/skel to/home/openstack3. Change the owner of/home/openstack and its internal files, belong to OpenStack Group4./home/openstack and its internal files, belonging to groups and other

Bytes ------------------------------------------------------------------------------------------------ First, I made some changes: Switch to the root user operation =>Sudo suEnter the password of the current user: ****** Modify the root password

When a pointer with a smaller byte alignment type is strongly converted to a pointer with a larger byte alignment type, this may cause problems. On the arm platform, this problem is obvious. After running on the x86 platform, typdef struct {int addr;

Vim mysql. sh#! /Bin/bashDAY = 'date + % Y-% m-% d' // The date is displayed as year, month, and DAY, and the DAY variable is assignedSIZE = 'du-sh/var/lib/mysql // view the mysql SIZE and assign the variable SIZEEcho "Date: $ DAY">/tmp/mysqlbak.txt

1. Problems A linux operating system. After the operating system is restarted, no information about the network adapter (eth0) is available and needs to be manually activated. 2. Solution Method 1: Select "connect automatically" on the NIC

View system environment variables: [Root @ localhost ~] # EnvHOSTNAME = localhost. localdomainSELINUX_ROLE_REQUESTED =TERM = xtermSHELL =/bin/bashHistory Size = 1000SSH_CLIENT = 192.168.7.105 50641 22SELINUX_USE_CURRENT_RANGE =QTDIR