Linux

1. View the kernel version cat/proc/version cat /proc/2.6. -573.7. 1. el6.x86_64 ([email protected]) (gcc4.4. 7201203134.4. 7-+) (GCC) #1: xx:2015 Uname-r uname -R2.6. -573.7. 1. el6.x86_64 Uname-a uname -2.6. -573.7. 1. el6.x86_64 #1

Use the character installation mode: Press ESC, enter Linux text, returnWhen installing the system through the character interface, the official block of custom partitions and custom installation packages is blocked for a bug .32-bit operating

Change the IP information of the NIC/etc/sysconfig/network-scripts/ifcfg-eth*Change the NIC hardware information (MAC, name, etc.)/etc/udev/rules.d/70-persistent-net.rulesifcfg-eth* File Contents:Device= Interface Name (device, NIC)Userctl=[yes|no] (

To add the NOEXEC option to the load point, the files in that mount point (note that it is not a directory) cannot be run directly even if the X permission is given. It is slightly safer to store only the data partition, although it cannot be run

The less tool is also a tool for paging through files or other output, which is a very powerful tool for Linux to view the contents of a file. The usage of less is more resilient than more. In more, we have no way to turn front, can only look back,

Server-side configuration1. Install git2, create a new user, can only be used to upload code, but not through SSH login, such as git usersAddUser gitChsh-s $ (command-v git-shell) gitReplace bash with Git-shell so that git users can't log in via

1. header file#include 2. Defining variablesstatic pid_t thread_id;/ /thread idstatic struct completion th_exit; //synchronous semaphore3. InitializationInit_completion (&th_exit);4. Thread creationthread_id = Kernel_thread (fuction, NULL,

1. View the default Python versionPython-v2. Download the source package, wget https://www.python.org/ftp/python/2.7.11/Python-2.7.11.tgz3. (if required) install GCC for compiling Python source codeYum Install GCC4. Compiling the installationTar

Linux-volume splitting compression and decompression Linux-volume splitting compression and decompression 1. First compress the Directory into a fileRoot @ bkjia # tar zcvf apk.tar apk/ 2. Split the file. The file suffix after the split is: Number

Install Linux and deploy JDK in VMware Preface My laptop is faulty, so this week the system includes all the hard disks and all the original Linux virtual machines are gone, so I have shared this article with you. Because of the advantages of the

Linux Apache SVN, linuxapachesvn Yum install mod_dav_svn subversion httpdMkdir/var/www/svnSvnadmin create/var/www/svn/puppetCd/var/www/svn/Chown-R apache. apache puppetCp puppet/authz ./Htpasswd-c passwd lanxiongVim authz[Groups]Admin = lanxiong,

Basic kvm api operationsBasic kvm api operations Kvm api basic operations install command line list Virtual Machine view virtual machine information start stop virtual machine pause continue Virtual Machine save resume Virtual MachineInstall sudo

Ubuntu apache Virtual Host Configuration, ubuntuapache Unlike apache in Windows, there is usually only one configuration file, namely httpd. conf. The local environment uses apt-get install xxx In Linux, the configuration file of Apache

The first deployment record of cross-platform running Rafy and the first deployment of rafy I always wanted to use MONO on Linux to try running Rafy. Recently, it was a real test due to business needs. The following are some key points of this

Kernel startup sequence changes after CentOS 7 kernel upgrade Upgrade CentOS 7 kernel to 3.15.5, but the default startup Item IS 3.10. Check it and modify it accordingly. Set Windows to start by default (Change Windows to the system you want) 1.

The simplest and most concise Systemd tutorial, which takes 10 minutes Linux 101: the most effective use of Systemd Why? Understand the significant changes in the release of modern Linux; Let's see how Systemd replaces SysVinit; Deal with unit

Linux memory management Most of the current servers run on Linux. Therefore, as a programmer, it is necessary to simply understand how the system runs. For the memory part, you need to know: Address ing Memory Management Method Page missing

Ubuntu Apache Virtual Host Configuration Unlike Apache in Windows, there is usually only one configuration file, namely httpd. conf. The local environment uses apt-get install xxx In Linux, the configuration file of Apache

Spark reads HBase multiple tables to form an RDD Environment: Spark-1.5.0 HBase-1.0.0. Scenario: HBase stores data in a talent table and requires that data of any time period be combined into an RDD for subsequent computation. Try 1: Find the API

Example of configuring the JNDI link to the Oracle Data Source in Tomcat in Eclipse Recently, I switched to a new company and connected to the database using the JNDI method for the first time. At the beginning, I couldn't find out where the