Linux

Convert RM command to MV Command, cannot use the-R parameter, will report an error, because the MV command does not have the-R parameter, the following is the method: Create a hidden folder in the user's home directory ~/.trash as the

One, the user account includes (view the existing account | Add user account | Modify User Account | Delete user account)To view an existing account:more/etc/-F':'{print $}' /etc/passwdAdd user account command: Useradduseradd-d/home/uhome-m

11.3 IP command 11.3.1 IP to see which rpm the IP was generated from[[email protected] ~]# rpm -qf `which ip`iproute-2.6.32-32.el6_5.i686View Iproute-generated files[[email protected] ~]# rpm-ql

1.add a new disk to CentOS 6, the command is reasonable, good to remember；2. then, in the system, enter echo "---" >/sys/class/scsi_host/host2/scan, this line of command, let the system re-read the SCSI interface disk ;3. check to see if the disk

The Find command is an exact find tool that can find the exact location of a file, which is much slower than the fuzzy lookup of the Locate command.Find-search for files in a directory hierarchyFind [path ...] [Expression]Path: Refers to the file

Process-related commands on Linux systems:To view the class command:Ps,pstree,pidof,pgrep\pkill,top,htop,glances,dstat,vmstat,pmapManagement class Commands:Bg,fg,jobs,kill,killall,nohup,nice,renicePstree command:Pstree-display a tree of

About the Cyclictest tool, there are instructions on the wiki: https://wiki.linuxfoundation.org/realtime/documentation/howto/tools/cyclictest Cyclictest is a high resolution test program, written by USER:TGLX, maintained by Clark Williams and

Hybrid devices for the character device:To define a hybrid device:struct misdevice{int minor;  Why is there only a secondary device number because the hybrid device is a /////////////////////////linux system with the default main device number of 10

One, the Linux CPU sizeCat/proc/cpuinfo |grep "model name" && cat/proc/cpuinfo |grep "Physical ID"Description: Detailed information about each CPU can be seen in/proc/cpuinfo under Linux. But for a dual-core CPU, you will see two CPUs in the Cpuinfo.

My old-fashioned notebook! I don't know when the video card burned out.Each time you start Linux, an error occurs, as follows:UVD not responding, trying to reset the vcpu!Reason, the graphics card burned I do not care, after all, this low-end

iSCSI is a SAN device and the SAN device is primarily a space for providing Server storage. iSCSI (Internet SCSI) is an ip-based data storage device compared to a traditional SAN, which is a fiber-optic transmission medium. It makes it easier for

This program is a python-developed scripting program that leverages Speedtest.net's services to measure the bandwidth of the upper and lower lines. SPEEDTEST-CLI can be based on the physical distance from the speed of the engine room to list the

Logging in bridging mode configuring the Internet 1. Configure the corresponding virtual machine network mode to "Bridging mode"2. View and configure the network card and IP address of this computer (Windows)Example configuration:After configuration,

File search commands and search commands 1. Copy the/etc/skel directory to/home/tuser1. The owner group of/home/tuser1 and its internal files and other users do not have any access permissions. 1 [root@bogon home]# cp -r /etc/skel /home/tuser1 2

Install Docker CE on Linux using the installation method from the package, linuxdocker Install Docker CE on Linux using the installation method from the package 1. view the Linux system information nuame- My products are Debian and amd64. 2. view

Virtual Machine Ubuntu16.04 network settings and other common settings, virtual machine ubuntu16.04 By default, Ubuntu is not connected to the Internet. As a result, the basic library software cannot be updated, and tools such as putty and FileZilla

Linux FTP build tutorial, linuxftp build tutorial I. Install the ftp service Set IP Address Attach a cd Disable iptables Firewall Disable selinux/[root @ localhost ~] # Setenforce 0 [Root @ localhost ~] # Cd/media/cdrom/Packages/ [Root @ localhost

CentOS user and user group management, centos User Group Groupadd maid creates a group according to the system's default gid. The same as the root uid, gid also starts from 1000. Groupadd-g 1008 create a user group with gid = 1008: maid Groupdel

Linux performance monitoring software (Perf, PAPI) Installation tutorial, perfpapi Perf Perf is a built-in Linux kernel performance tool. The installation process is as follows: 1. Download a Linux kernel source code and decompress it into

Install Docker 16.04 in Ubuntu 17.12 Environment: Operating System: Ubuntu 16.04.3 LTS Docker version: 17.12.1-ce 1. Configure the IP address Sudo vim/etc/network/interfaces Auto ens33Iface ens33 inet staticAddress 172.16.0.100Netmask