Linux

Linux specifies that a host or network is accessed from an IPThere are 3 IPs on test machine AThe eth0 192.168.1.34, respectively.Eth0:1 192.168.1.36Eth1 192.168.1.35First boot on test machine B Apache Access_logTail-f/etc/httpd/logs/access_logThen

tar [-cxtzjvfppn] files and directoriesParameters:-C: Create a compressed file parameter directive (the meaning of Create);-x: Unlock the parameter instructions for a compressed file!-T: View the files inside the Tarfile!In particular, in the

Tag:http   os    file    sp   on   c    linux   ef    server     First, you have a top-level domain name that has a pan-name resolution, for example: domain.com Second, after opening mod_rewrite in httpd.conf, at the end of httpd.conf, add the

Http://blog.chinaunix.net/uid-17019762-id-3152012.htmlAs a person with obsessive-compulsive disorder, I can't stand the existence of warning. This warning is caused by the initialization order , The warning code will appear! Class Cinit

There are 5 main file lookup commands in Linux: Find, locate, Whereis, which, type.Find is the most powerful, but it takes a long time.Locate can be seen as a lite version of Find, but it is fast.The use of Whereis, which, and type is small and has

The tar command is used to handle compression, compression, and decompression.Tar-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

/bin: Store The most commonly used commands;/boot: Start Linux core files;/dev: Device files;/etc: Store various configuration files;/home: Household directory;/lib: The most basic dynamic Link sharing library of the system;/MNT: Generally empty,

The use of crontab under LinuxExecute */5 every five minutes * * * *Executes 0 per hour * * * *Executes 0 0 * * * per dayWeekly Execution 0 0 * 0Monthly execution 0 0 1 * *Annual Execution 0 0 1 1 *For detailed usage, refer to this blog post

Interrupt handlers----Interrupt Handler ISR is a function that is used to handle interrupts when an interrupt occurs, and cannot be----execution is likely to cause sleep detection operation, cannot exchange data with user space, cannot call schedule

Linux kernel Saving critical information to a file a good way to debug Here are 2 examples: 1: Save the machine from the boot to the end of the Vbatt;2: Save the UART received data to the file; The meaning is not much to say. Here'

First, the new user/etc/passwd/etc/shadow Pwconv1. Open/etc/passwd FileCopy line 40th and paste to line 41st2. Using Command PwconvThe Pwconv command uses passwd and an optional and existing shadow to create the shadow.3. Open/etc/shadow1 temp6:!:16

ID (1) User Commands ID (1)NAMEId-print Real and effective user and group IDsSynopsisID [OPTION] ... [USERNAME]DESCRIPTIONPrint User and group information for the specified USERNAME, or (whenUSERNAME omitted) for the current user.********************

The following is a dataset divided into small files, each 10000 lines, as a number as a suffix, a total of two bitsSplit-l 10000 dataset-d-a 2 partition_dataset_If there's something you don't understand,Split--helpOrMan splitMerge small files into

Linux system upgrade configurations 1. Disable IPV6 Vi/etc/sysconfig/network NETWORKING_IPV6 = no # Drop Source/etc/sysconfig/network   Vi/etc/modprobe. conf Add alias net-pf-10 offAlias ipv6 off 2. Disable shutdown and restart permissions for

Install nginx and yumnginx in yum 1. Download an rpm package Wget http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm 2. Install this rpm package Rpm-ivh nginx-release-centos-6-0.el6.ngx.noarch.rpm 3. Start

One linux Command every day (September) 2014-09-02 Top displays the resource usage of each process in the system in real time, similar to the Windows Task Manager command parameters: -Batch B-c display complete governance command-I ignore

CentOS operation firewall operation instance Note: basic firewall operation commands: Query the Firewall Status: [Root @ localhost ~] # Service iptables status Stop Firewall: [Root @ localhost ~] # Service iptables stop Start Firewall: [Root @

Usage of elinks (firefox in the command line), usageelinks No.0 Press"Esc"To show main menu ========================================================== ===== No.1 Tyep"Elinks"To start the program, or add a domain name, for example: # Elinks

Experience in installing feisty h5 on Hard Disk I install feisty-alternate-i386.iso Install slave Hard Disk Download the corresponding Hard Drive boot files initrd.gz and vmlinuz from the network on the D: Disk Download grubfordos and install it

Centos source code installation code: blocks method and precautions Version and component requirements: 1 system: centos6.4 2 wxWidegets recommended version: wxWidgets-3.0.1.tar.bz2 3 codeblocks recommended version: codeblocks_13.12-1.tar.gz Step 1.1