Linux

Bulk Replace file content under Linux 1, on-line information on the networkFormat: Sed-i "s/lookup field/replace field/g" ' grep lookup field-rl path 'Linux SED Bulk replaces strings in multiple filesSed-i "s/oldstring/newstring/g" ' grep

The operating system for the Centos6.5,u disk is a normal USB drive, in order to be able to save more than 2G files, the file system changed to NTFSThe command for the USB drive file system from FAT32 to NTFS under Windows isConvert X:/fs:ntfsX is a

My name Cai Wen, the old boy. Linux operation and maintenance of the first class - participants in the period. I plan to go through the old boys education Viban 5-6 months of study, to find a salary level 8-12k 's work. In order to achieve this

The most common way to find files under Linux is the Find command, so let's take a look at how the Find command is used:FindFind. -name txt// In the current directory, look for the nametxtA file or a sports folderFind. -type C//Character deviceFind.

Permissions to files:R: The actual contents of this file can be read.W: You can edit, add, or modify the contents of the file (without deleting the file), or W If you do not have R permission.X: The file has permission to be executed by the system.

1. Installing yum-y Install Samba2. View the installation path #whereis Samba3. Configure the Global[Global]Workgroup = LinuxsirNetBIOS name = LinuxSir05Server string = Linux Samba Server testserverSecurity = Shar4. Configure the shared

Help commandsHelp-commandMan-Get help informationUser Management commandsUseradd-Add a new userpasswd-Set User passwordWho-Show all usersW-View more detailed user informationUserdel [-r] [user name]-delete user-r parameter, which means deleting

I. Significance of the partition1, different operating systems often can not be loaded in the same partition at the same time, partition to solve the different operating system load on the same physical hard disk compatibility issues2, mechanical

Common Directories for NFS/etc/exports Primary configuration file for NFS services/USR/SBIN/EXPORTFS Management commands for NFS servicesView commands for/usr/sbin/showmount clients/var/lib/nfs/etab record full permission SetPoint for NFS-shared

First, FaclFacl:file Access controll list, or file access control lists.1. The problem arisesTom created a file under/temp/. Aim,tom just want Jerry to have access to the file, what do you do?(1), the first method: Let Jerry join Tom's basic group,

Locate Role Non-real-time fuzzy query file, according to the whole system file database query.Using the UpdateDB command to manually generate a file database is time-consuming.Find Role A real-time, accurate query of

The commands for viewing the contents of a document are:Cat TAC Head NL tail more less ODThe cat command displays the entire contents of the document, displaying only the last part when the document is large, so the cat command is suitable for

SUIDSuid indicates that an S is present in the owner's position.If S is present on the permission of the owner of a command, the other person will have the owner's permission when the command is executed.SUID permissions are valid only for binary

First, the Linux minimized installation, unable to find the network card problem:Using the vi editor, edit the NIC configuration file:Vi/etc/sysconfig/network-scripts/ifcfg-eth0Device=eth0Onboot=noBootproto=staticOntrolled=

How to modify the linux Startup Script Configuration angular at startup running level/Etc/inittab The startup running level init is the command for switching the running level0. Shutdown // init01. single-user mode (Automatically Obtaining Super

Remote Control Key-value ing and remote control key-value ing Enter the getevent command in linuxThe remote control presses a key, the second line appears, and the second number is the hexadecimal value corresponding to the key,Convert it to the

Use ufw or iptables to configure the firewall in Ubuntu Linux The firewall only supports ssh (port 22) and http (port 80 ). In Ubuntu Linux, ufw can be used as follows:Sudo ufw enable &&\Sudo ufw default deny &&\Sudo ufw allow 22/tcp &&\Sudo ufw

Linux character devices-automatically create device numbers and device nodes Linux character devices-automatically create device numbers and device nodes First, write an example and APP that automatically assigns a character device number and a

Centos 7 static IP settings, centosip Link: http://blog.csdn.net/johnnycode/article/details/40624403 This course is intended for Centos 7.0.1406! If you use VirtualBox to configure Centos, refer to my article Centos 7 to learn about static IP

LVS + Keepalived DR Mode Installation and deployment of LVS + Keepalived Front-end master scheduling: IP address> 10.252.3.10Frontend scheduling backup: IP> 10.252.3.11VIP: 10.252.3.12RealServer: 10.252.3.15RealServer: 10.252.3.161: Install