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Powervm partitioning and Installation System 1. use hmc to create a partition configuration file name and allocate memory. Note that vscsi devices must be created in the middle of the maximum number of slots in the cpu. pay attention to the ID

Linuxshell programming ---- loop structure 1for loop 1for loop is a common structure in LinuxShell. for loop has three structures: list for loop and list for loop without List, the third type is C-style for loop. 2 List for loop Linux shell

Linuxvps cannot send emails first install sendmail software yuminstallsendmailetcinitdphp-fpmrestart to check if sendmail is running properly etcinitdsendmailstatus. if the running status is displayed properly, the sendmail software is installed. ..

CentOS Install mono1 install EPEL2 install package yuminstallbisongettextglib2freetypefontconfiglibpnglibpng-devellibX11libX11-develglib2-devellibgdi * libexifglibc-devel CentOS Install mono 1. install EPEL 2. install package yum install bison

Gnome3 custom program shortcut 1 install alacarte on the command line enter the following command to install alacarte program yum-yinstallalacarte after installation is complete, enter the following command in the command line to start alacarte to

Forget the ubuntu login password. it's not a good thing. just forget the password. The system version here is 1204LTS. Restart the machine. during the startup process, press Esc (the graphical interface of the ubuntu task manager was automatically

Before writing the correct script, let's talk about the exit status. An exit status is returned when any command is running. If you want to observe the exit status, use the final status command: $ echo $? There are four major exit statuses. Two

The purpose and technology of a compressed file 1 currently our computer uses byte for measurement, but in fact the smallest unit of measurement of the computer is bit. We know that 1 byte = 8bit2 in simple terms, there will be a lot of & ldquo;

Any script should be able to create temporary files or log files. When running a script for backup, it is best to save a log file. These log files are usually retained in the file system for several weeks and will be deleted if they become obsolete.

Part 1: fdisk partitioning tool I. fdisk partitioning tool: 1fdisk is a legacy partitioning tool from IBMD and supports most operating systems. Fdisk is installed in almost all linux releases, including in linux rescue mode. 2fdisk is based on Part 1

Vi undo redo on forward and backward press u in vi to undo an operation u undo the previous operation Ctrl & amp; 43; r indicates that the command mode is enabled by default when the previous undo operation is started: Move the cursor with h (left)

Linux files have three time attributes: 1) mtime: The last modification time of the file content; 2) ctime: the time when the file status changes, such as permission and attribute changes. 3) atime: the time when the file content is accessed, such

I. Linux startup process analysis 1 currently, grub2 is the mainstream boot loader software for major Linux releases. The system startup process is as follows: 1. load BIOS hardware information and perform self-testing, and obtain I. Linux startup

& Amp; 65279; & amp; 65279; (1) Linux is a multi-user system. each system user must use the user name and password. The system creates a subdirectory with the same name as the user name (the root user's main directory is root) in the home directory

Abstract: Although the operating system is often installed, have you ever thought about what you did during the operating system installation? What is the essence of system installation? Before operating system installation, how did the system get

Introduction: Linux NAT cannot take effect in a timely manner because it is based on ip_conntrack. if the packet of this stream is bound to an ip_conntrack before the NAT iptables rule is added, this NAT rule will not take effect until this

In 1MySQL installation and configuration, if yuminstallmysql is directly used in fedora, mariadb is a branch of mysql, which is not much different from mysql. But there is a difference. Maybe it's a branch after all. Mariadb56 is equivalent to mysql

A disk is usually the slowest subsystem of a computer, and it is also the most prone to performance bottlenecks, because the disk is the farthest from the CPU and the CPU access to the disk involves mechanical operations, such as rotating shafts and

Ls: list files and directories ls-l: list file and directory details ls-a: list all files and directories (including hidden directories) cp: copy file cp source file directory target directory cp-r: copy directory mv: move or rename file move and

IV. gzip compression: the gunzipLinux standard compression tool can achieve a compression ratio of 75% for text files compress, and the uncompress old Unix compression tool bzip2, bunzip2's Linux compression tool has a higher compression ratio than