CentOS

For the vast majority of Linux programmers, after entering the Linux system is generally seen a dark interface (development mode), because the system if you start the selection of development mode, will reduce startup time, optimize memory and so on.

linux commands are commands for managing a Linux system. For Linux systems, whether the CPU, memory, disk drives, keyboards, mice, or users are all files, the Linux System Management command is the core of its normal operation, similar to the

1. Commands for shutdown (System shutdown, restart, and logout)SHUTDOWN-H now shut down system (1)Init 0 Shutdown System (2)Telinit 0 Shutdown System (3)Shutdown-h Hours:minutes & Shutdown system at scheduled timesShutdown-c Cancel the system at a

I have installed here: emacs.24.2: http://ftp.gnu.org/pub/gnu/emacs/emacs-24.2.tar.gzDownload file: emacs-24.2.tar.gzSteps:Install dependent files: (first enter root)Yum-y Groupinstall "Development Tools"Yum-y Install Gtk+-devel Gtk2-develYum-y

View all locale languages# locale-a# Locale-a|grep ENView the language used by the current operating system# echo $LANGSet system locale language to Chinese environment (permanent)# vi/etc/sysconfig/i18nLang= "ZH_CN. UTF-8 "Set system locale

Installation# yum-y Install Salt-apiChange ConfigurationVim/etc/salt/masterDrop the default comment on our side. The default profile directory is/srv/saltDEFAULT_INCLUDE:MASTER.D/*. confCreate a Directory#cd/etc/salt# mkdir Master.d/# CD

1. Install VSFTPD. (Ps:procedure 1-4 under the circumstance that the firewall are closed and the iptables is inactive)1 Install vsftpd 2 sudo Yum Install vsftpd 3 # start VSFTPD 4 sudo systemctl start Vsftpd.service 5 # start automatic after

1. Downloadwget https://www.openssl.org/source/openssl-1.0.2h.tar.gz2. Unziptarzxf openssl-1.0.2h.tar.gzcdopenssl-1.0.2h3. Installation./configshared

Many friends also use the CD-ROM installation of the CentOS operating system, after the CD-ROM start will give a selection of the interface step-by-step selection after the start of the formal installation, if it is installed a server operating

1) Install httpdYum Install httpd2) Install Yum-utils and Createrepo, where yum-utils contains reposync commandsYum Install yum-utils Createrepo3) Execute the following command to download all files to the specified path. where xxx in the *.repo

Installation on CentOS 7Cat /etc/redhat-releaseHttp://s3.amazonaws.com/public-repo-1.hortonworks.com/HDP/centos7/2.x/updates/2.3.4.0/HDP-2.3.4.0-centos7-rpm.tar.gzHttp://s3.amazonaws.com/public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.2.0.

1. Installing VSFTPDsudo Yum Install vsftpd2. Configure vsftpd.confif You comment the). anonymous_enable=forbool Ftp_home_dirlocal_ Enable=yeswrite_enable=yes# Local FTP directory address local_root=/var/ftp3. Add an FTP user-d/var/FTPftp

Forwarding Please indicate this article linkPreparatory work:Vmware-workstation (network unification is set to bridging)Xshell or putty (easy to operate under Windows, copy and Paste commands convenient, more recommended to use the first, the future

CentOS 6.8 grub Encryption and hack password combat guideCase 1: Server in public, in order to prevent random people into the single-user crack root password, the grub boot is encrypted, in order to more secure the boot kernel is also encrypted1.

Overview : CentOS 5 and 6 under the service start, the use of the command is the service name start mode start, in fact, the service command is also called the script under/etc/init.d/, see the specific steps belowExperimental steps:first prepare

Cloning a virtual machine today, when more than one virtual machine, try to clone is really convenient, but encountered aDevice eth0 does not seem-be present problem, find a solution to the same problem on the Internet,A smooth solution to the

Verify the ruby version if there is an uninstall install the latestYum Install gcc* OpenSSL openssl-devel-ywget Https://ruby.taobao.org/mirrors/ruby/ruby-2.3.1.tar.gz./confugremake;make InstallRuby-v detection VersionInstalling RubyGemsIf Gem-v is

recently in order to analyze the company's application performance of Nginx + LUA, just need to use the Nginx-lua of the spring god of the analysis of the script, so immediately to build the nextEnvironment: CentOS 5.8 Lua 5.2.3

Centos System Services Script directory: /usr/lib/systemd/ System and users (user),If you need to boot the program can be run without logging in, there is system services (systems), that is: /lib/systemd/system/

Solution centos prompt: Bootable partition can not be on a logical v Recently, the company needs to install a server. You can get started with the exercises. Installed in centos 6.5 But it is half loaded. When you want to partition, you can't go