Linux

(1) The Unix operating system was born in 1969 and was invented by Ken Thompson (Ken Thompson) and Dennis Ritchie (Dennis Ritchie) of Bell Labs in the United States.(2) 1972 C Speech birth, because UNIX before using assembly language written, data

1.can ' t find/mnt/cdrom in Etc/fstab Or/etc/mtabMkdir/mnt/cdrom2.80 ports are accounted forOne, see which ports are open NETSTAT-ANPSecond, turn off the port number: iptables-a input-p TCP--drop port number-j dropIptables-a output-p TCP--dport

Create a Nexus under LinuxTo install 3 things, then configure the following:1. JDK2. Maven3. NexusThen configure 1. Installation of JDKDownload the JDK installation package in RPM format and install itinstallation program#rpm-IVH

Samba is a free software that implements the SMB protocol on Linux and UNIX systems, consisting of servers and client programs. Smb(Server Messages block, information service blocks) is aLanshared files and printers on aCommunication protocols, it

To prepare a liunx machine, I'm using a liunx virtual machine. Loading a single hard disk, I loaded a 20G hard disk, and then partition with FDISK/DEV/SDB, SDB1 used as the future system's/boot partition, all 100M can be, SDB2 used as a future

First, Linux users, groups1.idFeature Description: Displays the ID of the user and the IID of the owning group.2.who am IFeature Description: Displays the ID of the currently logged on user3.SU User NameFeature Description: switch User's environment

Guide There are many commands that can be used to view hardware information on a Linux system. Some commands can only print out specific hardware component information such as CPU and memory, while others may view information on a variety of

Linux has a window administrator environment and a plain text interface environment, while Linux defaults to 6 terminal to allow users to log in. The crtl+alt+f1-6 can be switched freely. If the window administrator environment is running, you can

Experimental environment: RHEL6.5 server1.example.com 172.25.254.1Native Jdk:jdk-6u32-linux-x64.bin1. Installation[[email protected] mnt]# lsJdk-6u32-linux-x64.bin # #原生的[Email protected] mnt]# sh jdk-6u32-linux-x64.bin[email protected] mnt]# Yum

Add user useradd-d home directory-G Group name-group set (comma interval)-p password-S user Shell program user name useradd-d/usr/local/nginx/-G nginx-g nginx,oracle-p1234 56-s/bin/bash test4 If you do not use-p, you can use command encryption:

Archive Compression Command(1) Gzip/gunzip compression and decompression (zip file ending in gz)GZIP–[1...9]TRV fileGunzip file(2) Zip/unzipCompress the ZIP package and unzip the compressed file at the end of the. zip, without adding any

(not to be continued, in order to deal with the abominable 51cto Night audit system)1. Copy the/etc/rc.d/rc.sysinit file to the/tmp directory and add # to the beginning of the line with at least one whitespace character in the/tmp/rc.sysinit

300G HDD Partition Planning partition root partition, 100G swap partition, 32G, twice times physical memory log partition, 100G temp file partition, 68G mount point /

  What is Linux?Linux is a set of free-to-use and free-spreadUNIX-like operating systems, is a based onPosixand theUnixthe multi-user,Multi-tasking, SupportMultithreadingand multi-CpuOperating System (professional explanations). Simply put, is a

Porteus 3.2 RC5 Released, which is the final candidate version before the final release (Tengyun technology ty300.com). This release releases the system kernel to Linux kernel 4.7.2, upgrades many packages, fixes many bugs from RC4 and feedback, and

Original:The process address space of the Linux kernel noteThe address space of a process consists of all linear addresses that are allowed to be used by the process, 0~3GB in 32-bit systems, and each process sees a different set of linear addresses.

int pthread_equal (pthread_t th1,pthread_t th2);p thread_equal function Compare Th1 to Th2 is the same thread, because the pthread_t data type is not considered an integer because it can not be said, So it is not possible to compare pthread_t in a

[Tool software] svn views users, switches users, and tool software svn 1. view the svn user name and password:Find the username and password files in plain text. You can seeExample: linuxHjj @ hjj-ubuntu :~ /. Subversion/auth/svn. simple $ ls9aad7e9

Set up SVN on a Linux (Centos) system and provide answers to common errors. This article mainly introduces how to build SVN on Centos. The content of this article is relatively basic and suitable for users who want to learn. 1. Linux versionCentos 1,

Register the custom jar package as the linux service and centos7jar on centos 7. On CentOS7, register the custom jar package as the linux service service1 and run the/etc/rc. d/init. create a shell script file named joyupx: vim joyupx/etc/rc. d/init.