Linux

Boot upResolves server restarts, such as breakpoints, causing the service not to start up trouble1. Organize the service running on the machine, and make some sh scripts., the file is:/home/rc/exec.sh# load environment variable

With so long a Linux system, sometimes which file should be in the unknown, so for the directory structure under the root note:/bin bin is the abbreviation for binary. This directory holds the most frequently used commands. / boot Here are some of

1. View current drive usage: [email protected]_node1 ~]# df-hfilesystem Size used Avail use% mounted on/dev/mapper/volgroup-             Lv_root 35G 25G 8.3G 76%/tmpfs 1.9G 0 1.9G 0%/dev/shm/dev/sda1 485M 35M 425M 8%/boot/dev/mapper/volgroup-lv_home

Ls-A # # #列出所有文件 all-L # # #列出文件属性-R # # #第归列出文件-S # # #列出文件大小--size-S # # #按大小排序列出文件-D # # #指定目录本身 Directory. # # #指当前目录.. # # #当前目录的上一级目录Normal user home directory for/home/usernameEx. Student User home directory for/home/studentEx. Root User home

In the first chapter introduces the installation of Linux, this introduces the simple configuration after installation1, ready to SSH connection tool: There are Xshell, SECURECRT, put, etc...2, prepare the network environment, we set this is 192.168.

When we do system maintenance, we hope that individual users or all users can not log on to the system, to ensure that the system during the maintenance of normal operation. At this time we will prohibit users from logging in. 1, prohibit

Compression decompression------------------------------------------all compression formats under Linux,WinRAR all supportGzip. GZ FormatCompressed Files :Gzip file nameCharacteristics:1. only files can be compressed and the directory cannot be

before you can deploy a virtual machine in bulk, you need to prepare the virtual machine template for cloning to prevent the machine properties that are generated by cloning, such as the NIC MAC addresses, etc.) are identical and require the machine

The safest way to kill a process is to simply use the KILL command, without modifiers, without flags.First Use the PS-EF command to determine the PID to kill the process, and then enter the following command:# Kill-pidNote: A standard KILL command

Start actionThe-c parameter specifies the Nginx configuration file path to be loadedStop operationThe stop operation is done by sending a signal to the nginx process.Step 1: Query the Nginx main process numberPs-ef | grep nginxFind the master

For people who often use the Linux system, the need to upload local files to the server or download files from the server to the local, the Rz/sz command is very convenient to help us achieve this function, RZ is to the win file upload to Linux SZ

Nginx Installation Preparation1. System Package PreparationPrce rewrite (redirect) module requires http://www.pcre.orgZlib gzip module requires http://www.zlib.netThe OpenSSL SSL feature requires https://www.openssl.orgNginx installation

Linux system is a typical multi-user operating system, different users are in different positions, have different permissions, we can view through the Ls-l[Email protected] cron.daily]# ll/total 104dr-xr-xr-x.   2 root root 4096 Sep 11:15

We have explained the common three kinds of compression commands in the detailed parsing of compression commands in Linux (i), and we begin to explain the tar commands most commonly used in our work.To make compression and decompression easier, the

The first time you write a blog, if you see this article found what is wrong, welcome to correct, this blog only to describe their own understanding, and usually use less terminology.To get to the point, what is Linux, presumably when you see this

　　　　　　Linux Hard disk installation stepsfind a lot of internet use DVD mirrored hard disk installation FC5 article, but none of the system, for the vast number of Chinese rookie, brother even the Linux Cloud architect drew a lot of time to write

Lab Environment: RHEL7.0Experimental content: MBR first 446 bytes corrupted Grub boot file is missing Forget the power-on password 1.MBR First 446 bytes damaged1.1 Damage to MBR[Email protected] ~]# df-h/DEV/SDA1 497M 119M 379M

The chmod command is a command used on Linux to change permissions, and-R is a recursive traversal of subdirectories, because the file you are manipulating uses the * wildcard character. 777, the first 7 represents the permissions of the owner of

Why Learn Linux?1, Linux is a free operating system, can save a large cost2, the source code of Linux is open to the outside, you can modify the source according to your own needs3, Linux is open, there are a wide range of communities, a lot of

Today analysis of the project in the process of virtual storage has been growing problem, running 10 hours virtual storage up to 121G, RSS occupied 16G very scary.By the way, the Linux single process can create the upper limit of threads, and