Linux

Linux Packaging compression command Rollup Linux Packaging Compression Command summaryTar command[[Email protected] ~]# tar [-cxtzjvfppn] files and directories ....Parameters:-C: Create a compressed file parameter directive (the meaning of

Common ways to use commands:1.echoEcho-display a line of text650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M00/08/65/wKiom1ngopOgixq6AAAsIrkT-rE013.png "title=" 2.png "alt=" Wkiom1ngopogixq6aaasirkt-re013.png "/>Get more precise command

1. Installation of virtual machines2. Virtual machine settingsNote: If NAT mode is selected The matching NIC is:Through this virtual network card and the local communication, can only communicate with the local computer, if the

Installing the JDKUninstalling OPENJDKRpm-qa|grep JDK//view current JDK situationYum-y Remove Java java-1.7.0-openjdk*//uninstall OPENJDK1. Create a Java folder under the USR folder2. Download the copy JDK to the/usr/java folder and unzipfile

There are several ways to get help with the use of commands:1.man ( Help manual for external commands )In the Shell Command Line window interface, enter:650) this.width=650; "Src=" https://s2.51cto.com/wyfs02/M00/A7/11/wKioL1ngNkajqnebAAADfawwiZ8969.

1:/etc/sysconfig/i18n (language configuration file).2:/etc/sysconfig/network-scripts/ifcfg-eth0 (eth0 configuration file).or/etc/sysconfig/network/ifcfg-eth0 or/etc/rc.d/rc.local3:/boot/grub/grub.conf (Grup configuration file) or/boot/grub/menu.list.

Linux Operating System BasicsThe Linux operating system was developed in a cathedral-style and market-style way, when people were dissatisfied with the practice of monopoly charging of the UNIX operating system in commercial companies, so people

This blog post is the use of cobbler small tools to implement the automatic installation of our system, said the tool small bar, in fact, it contains a lot of tools, of course, we need to use Epel source to implement our installation, Epel the

One-time Scheduled tasksAt the specified time to execute a specific commandUsage: at [TIME]Example:At 9:00am #指定在当天早上9点执行计划任务At > Cp/etc/passwd/tmp #计划任务内容At > #输入完成后, End by Ctrl+dAt-l List Current Scheduled tasksRecurring Scheduled

I. Remote Desktop for UbuntuUbuntu has the VNC server component Vino-server installed by default, just set it up in desktop sharing, preferences, system settings.1. Set Desktop Sharing preferences2. After setting up, you can view the VNC service

One, network card monitoring:Kali does not support the built-in network card, only support USB card. I use the virtual machine. First in the virtual machine mobile device to open the connection of the USB card, execute the ifconfig command, as

################ # Fourth Unit # # # ######################################### # # 1.Manage input and Output # # #########################In a Linux system, the correct output number is 1, the error output number is 2Perform "student" with ordinary

ReferenceHttp://blog.chinaunix.net/uid-26719405-id-3450447.htmlRe-create a soft connection if there are RAR deletions in/user/binIf the "-bash:/usr/local/bin/rar:/lib/ld-linux.so.2:bad ELF Interpreter: There is no file or directory" error occurs

First, install the compilation toolkitYum install gcc gcc-c++ makeYum Install glibc-static650) this.width=650; "title=" 1.jpg "src=" https://s5.51cto.com/wyfs02/M00/07/D1/ Wkiom1nq66dhao7raadp4lzfwfg451.jpg-wh_500x0-wm_3-wmp_4-s_2356493913.jpg "alt="

1.pwd CommandDisplays the full path name of the current work.2.Date CommandDisplays the current date and time of the system.3. WhocommandDisplays all user names that are currently logged on to the system, their terminal names, and the time they

Linux virtual machines in Vmvare have started, but Xftp and Xshell are not connected?Environmental information: Subnet 192.168.136.*Linux ip:192.168.136.100First, check whether the IP and vmvare subnet configuration of Linux is consistent 1, check

The kernel is required to be above 4.9, if not, upgrade the kernel.modprobe Tcp_bbr Echo " Tcp_bbr " >>/etc/modules-load.d/modules.confecho"net.core.default_qdisc= FQ" >>/etc/sysctl.confecho"net.ipv4.tcp_congestion_ Control=bbr" >>/etc/-psysctl

You can use the xinetd service to manage rsync for automatic start and xinetdrsync.1.1 xinetd service configuration 1.1.1 check whether the xinetd service is installed [Root @ backup ~] # Rpm-qa xinetd [Root @ backup ~] # Rpm-ql xinetd Package

Shell --- data stream redirection, shell --- redirection Data Stream redirection: After a command is executed, the data on the screen should be transmitted to other places. Standard input (stdin): the code is 0, use Standard output (stdout): the

Compile and install Apache 2.4 In CentOS 6 The httpd-2.4 adds the following new features and new modulesNew features:(1) MPM supports DSO operation and is loaded as needed in the form of modules;(2) event MPM is supported;(3) support asynchronous