rhel version command

How to view version information under Linux, including the number of bits, version information and CPU core information, CPU specific models, etc., the entire CPU information at a glance.1. Linux View version current operating system kernel informationCommand: Uname-a2. Linux view current operating system version infor

Every time you want to see how many bits of the system, always remember which command to use, so make a summary.[Email protected]:~$lsb_release-aNo LSB modules is available.Distributor Id:ubuntuDescription:ubuntu 12.04.4 LTSrelease:12.04Codename:precise[Email protected]:~$uname-aLinux de16-c6100 3.11.0-15-generic #25 ~precise1-ubuntu SMP Thu Jan 17:39:31 UTC x86_64x86_64x86_64 Gnu/linux[Email protected]:~$Cat/etc/lsb-releaseDistrib_id=ubuntudistrib_re

Of course, these general commands are mainly divided into Win8 activation and view version of the command, first we have to enter the running program to execute the command. The way to do this is to press and hold the keyboard key combination "Win+r" to eject the running program and open the Run input box. As shown in the figure: The following is the activation

There's nothing wrong with configure.My configure is:./configure-prefix/opt/qt-jz-xplatform qws/linux-mips-g++-embedded MIPSConfigure passed, but when make, there was mips-linux-gcc:commond not fount!I'm MIPSL-LINUX-GCC, and I've cross-compiled a Hello world.The errors that occur when make are:MAKE[1]: Entering directory '/root/desktop/download/qt-jz/src/corelib 'mips-linux-g++-c-pipe-mips32-fno-exceptions-o2-wall-w-d_reentrant-fpic-dqt_shared-dqt_build_core_lib-dqt_no_us Ing_namespace-dqt_no_ca

After the installation of the JDK installation is successful, the decompression version is extracted and used in cmdJava-versionJavac-versionThere are two cases1.java-version is performing normally, but prompting Javac is not an internal commandBoth 2.java and Javac can be executed, but the versions are inconsistent.Reason:This is because the machine has been installed, the installation

space on the hard diskFree-m View Current Memory usagePS-A See which processes are currently in progressKill process Number (the number of the first column in ps-a) or killall process name (kills a process)Kill-9 process number forces a process to be killedCommon APT Commands:Apt-cache Search PackageApt-cache Show package for information about packages, such as description, size, version, etc.sudo apt-get install packagesudo apt-get Install package--

Unable to use the MacPorts port command after installing a high-version OS XPod Update prompt:Current platform "Darwin +" does not match expected platform "Darwin 13"Need to download MacPorts source code compilation installation, the method is as follows:From https://www.macports.org/guide/#installing. Macports.source2.2.2. Source InstallIf you installed macports using the package installer, skip this secti

A very simple command oh, but it is not very good memory!Lsb_release-a650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M00/88/47/wKioL1ftxBDyLX3vAADgMZlCZzo275.png-wh_500x0-wm_3 -wmp_4-s_2259465606.png "title=" Qq20160930094659.png "alt=" Wkiol1ftxbdylx3vaadgmzlczzo275.png-wh_50 "/>This article is from the "Brother Hong Linux World" blog, so be sure to keep this source http://zhengkangkang.blog.51cto.com/12015643/1858001View the release

Refer to this blog fix: Http://www.cnblogs.com/fibre/p/4069966.html New version of Python installation directory/usr/local/python3 #./configure--prefix=/usr/local/python3 # Make make install # Mv/usr/bin/python/usr/bin/python_old #把旧版本的python移至python_old下 # ln-s/usr/local/python3/bin/python/usr/bin/python #创建新版本链接 # yum-y Install gcc #报错 File "/usr/bin/yum", line 30Except Keyboardinterrupt, E:^Syntaxerror:invalid syntax When viewed onlin

ADB devices (shows connected devices)ADB root (Get phone root privileges)ADB remount (re-mount the system partition to make the system partition writable)ADB shell (Linux shell environment entering the target device)CD system/app (switch to System/app path) Note: The general apk is under/system/app/or/system/priv-app/LS (Show all folders)--Determine the appropriate folder and path according to the APK nameExit (quit Shell Environment)CD. \desktop (switch to desktop)ADB pull /system/app/somcwifid