Linux

The function of the bridge is similar to the two-layer switch, which is divided into conflict domains, which are preceded by some subtle differences and are not unfolded here.Linux Bridge as a special Network bridge implementation, have some of

The previous post introduced the use of the Htop tool, here to introduce the use of glances tools, I personally prefer this tool, mainly because glances this tool can export the system state as a file, If exported to HTML format, you can work with

Linux Run Level: 1)0: Shutdown2)1: Single user3)2: Multi-user status No NETWORK service4)3: Network Service with multi-user status5)4: The system is not used reserved to the user6)5: Graphical interface7)6: System RestartNote: The Common

1. InstallationYum-y Install memcached2. Start memcached./usr/bin/memcached-d-M 256-u root-p 11211-c 1024–p/tmp/memcached.pidStart parameter Description:The-D option is to start a daemon.-U root indicates that the user who initiated the memcached is

Dstat a versatile system resource monitoring tool that supports a wide range of features such as CPU, memory, load, file locks, socket sockets, networks, processes, paging files, file systems, and much more can be displayed individually.dstat:http://

During operations, there are sometimes alarm problems with disk usage:As long as there are several ways to handle this:1. Find a directory with high disk utilization, du commandDU-SH/*List the size of all directories under the root directoryAnd then,

File command and its usageWindows:peLinux:elfFile system:Rootfs: Root file systemFhs:linuxLS/view root directory/boot: System boot related files, such as kernel, INITRD, and Grub (bootloader)/dev: Device files block device: Randomly accessed device

User: identifierUser groups: IdentifiersFile:Processes also have group and ownerSecurity contexts (Secure context)/tmp/inita Tom TomLs-rw-------root rootbelong to the group of main generaFile:R: Readable to view file contents using commands like

process: A process is an instance of the execution of a program, which is a collection of data structures that the program has performed to the extent of the lesson. From the kernel point of view, the purpose of the process is to assume the basic

Use of dstat in process management in linux, linuxdstat Dstat is a multi-function system resource monitoring tool that supports many features, such: cpu, memory, load, file lock, socket, network, process, paging file, file system, and so on can all

Linux File System Management (4) fdisk partitioning and automatic mounting and fstab recovery, fdiskfstab Add a new virtual hard disk to the VM, in the format of scsi Sometimes the system may need to be restarted to take effect!

The tcpdump analysis tool is used to verify the tcp connection establishment and closure process. This article requires that you have some knowledge about TCP's three-way handshake to establish and close the connection. This article does not detail

Htop, three extension tools for process management, and three htop tools for process management Three process management and monitoring tools HTOP Introduction: Htop is a software running in Linux system monitoring and process management. htop

The CentOS project has released a rolling build version.The CentOS project of the community enterprise release releases a rolling build version that provides ISO images and cloud images. CentOS plans to release a rolling build version at the end of

Test the Web website performance in CentOS Webbench is a well-known test tool for website stress, developed by Lionbridge. Official homepage: http://home.tiscali.cz /~ Cz210552/webbench.html In O & M, website stress and performance testing are very

Multi-path and large-capacity hard drive mounting in CentOSI. Application Environment and requirements The blade server connects to HP Storage through an optical fiber switch, forming a 2x2 link. CentOS 6.4 64-bit Operating System The attached

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CentOS6.5 install Tab enhanced version: bash-completion CentOS6.5 install Tab enhanced version: bash-completion. You can complete the command parameters; Because the CentOS official source does not contain the bash-completion package, in order to

CentOS6.5 use createrepo to build the local source The rpm used to build local yum source all comes from CentOS-6.5-bin-DVD1 & DVD2; I installed it in a virtual machine environment. Check the version of my operating system first: [adam@ultraera~]