Unix_Linux learning (3) -- basic operations in command-only mode

First, go to tty1, log on, and enter zhcon. Below are some simple commands. Command syntax: Command option parameter .... 1. date: display time, date; 2. cal shows the calendar. the calendar of the current month is displayed by default. if cal2011

Unix_Linux (2) -- development history of Unix and Linux and terminal configuration

I originally wanted to directly look at the Advanced Programming in the UNIX environment and found that I still don't understand it. I just took a look at laruence's private food! All the books in the school have been borrowed. you can only read the

Basic Optimization after centos5.6linux is installed

1. disable unnecessary servers # ntsysv keep crondLinux scheduled task service irqbalance is used to optimize interrupt allocation to take full advantage of CPU multi-core networksshdsyslogLinux log system (important) 2 close iptables #

Create a famous workstation-configure Ubuntu

1. install the driver: simply append the driver to the system settings. the available driver is displayed. 2. set the swap space. first, run the free command to view the Swap partition size in the system. Open Terminal, enter free-m, and press Enter.

Win7 + fedora16 startup item

Not long ago, a classmate installed a windows 7 + fedora16 dual system on his computer. as a result, he didn't want to use fedora16, so he formatted the disk where fedora16 is located on windows. After the restart, neither win7 nor fedora16 can be

Install networkmanager for VPN dialing under BT5R1

1. VPN dial: # apt-getinstallnetwork-manager-gnome # apt-getinstallnetwork-manager-pptp # apt-getinstallnetwork-manager-vpnc # cp/etc/network/interfaces/etc/network/interfa 1, VPN dial: # Apt-get install network-manager-gnome # Apt-get install

Linux installation with a USB flash drive in 10 minutes

It may not be believed that 10 minutes, including creating a USB flash drive, starting with a USB flash drive, installing, not connecting to the Internet, not updating, not installing language packs, etc. Windows hard disk partition if you are using

Use Network disks and git to manage resources

There are many network disks, such as dropbox, Kubernetes, skydriver, 115 netdisk, yunnuo, and nut shop, which have powerful functions, most clients provide automatic version management and encrypted transmission. This provides convenient conditions

Parameter description of Linuxbond

Miimon is used for link monitoring. For example: miimon100, the system monitors the link connection status every MS. If one line fails, it is transferred to another line. The value of mode indicates the working mode, which has a total, six modes,

Chapter 1 Introduction to Linux kernel)

1. Comparison between Linux and other Unix-like kernels: a single-block kernel consists of several logically independent components. a single-block structure, most commercial Unix variants of data are also single-block; traditional Unix kernel

Chapter 1 Introduction to Linux kernel reading notes (2)

V. Unix kernel Overview: the Unix kernel provides an executable environment for applications to run. Therefore, the kernel must implement a set of services and corresponding interfaces, which are used by applications without directly interacting

AIX system log study note 3

I. the system hardware diagnostic tool AIX also provides the diag command to identify and analyze the problem. # Diag such as: # diag-dsysplanar0-v & amp; ndash; ehttp: // www.kuqin.com/aixcmds/aixcmds2/diag.htm2? www.www.www.www.www.www.2cto.comin

Deep understanding of Linux kernel reading notes-Chapter 2-memory addressing (2)

Pages in the hardware: 32-bit linear addresses are divided into three fields: High 10 bits: 10 bits in the middle of the page directory table: 12 bits in the page table: the second-level page table mode is used to reduce the number of RAM required

Fedora12, 13, 14, 15, 16/centOS/redhatEL use a third-party yum source

Select the corresponding version and run the following command on the terminal: Fedora12and13and14and15: su-c & amp; #39; yumlocalinstall -- nogpgcheckhttp: // download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch. select the

Lvm to adjust the partition size

LVM modifies the partition size to reduce the size of a partition # umount/home # mke2fs-n/dev/vgsys/lvhome this command can get blocksize and blocks. Blocksize * blocks is the total size of the partition, byte, and then calculate the final size or

How to enter the character interface by default when ubuntu is set to boot

Please refer to this article. ubuntulinux automatically enters the character page in the Ubuntu 10.04 system: Method: sudovim/etc/default/grub find this line: GRUB_CMDLINE_LINUX_DEFAULT & quot; quietsplash & quot; changed to: GRUB_CMDLINE_LINUX_DE...

BT5 automatically starts ibus upon startup

BT5 installation of Chinese input method: apt-getinstallscim (installation can see here http://www.2cto.com/ OS /201109/106109.html) BT5 installation ibus input method manager: sudoapt-getinstallibusSystem & mdash; & gt; IBUSPreferences select BT5

Install Adobereader in Backtrack5

The office software Openoffice and Libreoffice in Linux are both very good, and the small foxitreader is also very good. However, I am still used to using adobereader, so I decided to install adobereader in bt5. 1. download the compressed package

Compile the installation program using the source code package in linux

In linux, I have always felt mysterious about program compilation and installation. I don't know why to execute the following./configure and add related configurations. then, make and makeinstall a program is completed. Today, I searched for related

Solve wireless (BCM4311) cannot be enabled in ubuntu11.10DELLD630

First confirm that the computer can access the Internet. Press CTRL + ALT + T to bring up the command box and enter the sudoapt-getinstallb43-fwcutter press enter password (it seems this password is set when the system is installed)

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