Linux

The default settings of SecureCRT are not good for Chinese. It is easy to see Chinese garbled characters. Even if no garbled characters are displayed on www.2cto.com, it is inconvenient to copy and paste the text to other windows programs or copy

Linux Device Driver arrangement (2) "profit first, profit first", and tidy up the makefile for compiling the linux device driver program. Java code www.2cto.com all: KERNELDIR? =/Lib/modules/$ (shell uname-r)/build PWD :=$ (shell pwd) $ (MAKE)-C $

Awk in linux/unix shell has learned some usage of awk today to share with you the preparation work: the first ls prepared by www.2cto.com. the content in out is as follows: [plain] [oracle @ localhost testDir] $ cat ls. out total 68-rwxr -- r -- 1

AIX account Security SettingsThis article mainly summarizes the account security policies and settings in the AIX operating system, and hopes to provide a reference for those who are concerned about the security of the AIX system.Www.2cto.com 1.

In ubuntu, enabling the usb device for virtualbox does not support the usb device by default. You need to manually modify some settings to use it. Www.2cto.com 1. Change to usb device add common user permissions 1.1 Add a user group named usb FS jim

The Centos minimal version installed in the Virtual Machine by using the IP address and DNS manual setting method in Centos. By default, no local connections such as eth0 or eth1 are available,There is only one lo 127.0.0.1 address. Therefore, you

Debugging printf source code with gdb on ubuntu by default, the library function does not contain debugging information, so gdb cannot be used to enter the printf () function. Www.2cto.com solution: 1. install libc: sudo apt-get install libc6-dbg

Some common slackware configurations took some time to install slackware14 x86_64 on the notebook. It feels okay. Linux and Windows are not installed this time. slackware is run separately, and xp is run in the virtual machine, mainly for the use of

Communication between linux systems on the two virtual machines needs to be tested. Therefore, one virtual machine is installed on each of the two computers and the linux system is installed. Virtual Machine A is installed with the oracle server and

Linux shutdown command comparison 1. shutdown www.2cto.com shutdown command safely shut down the system. It is very dangerous for some users to disable linux by directly disconnecting the power supply. Different from windows, linux runs many

Configure cacti mail alarm, postfix and sendmail conflict environment: centos6.2, cacti 0.8.8.a, net-snmp5.5 1, get cacti mail alarm today, just started sendmail failed, always prompt: "sendmail dead but subsys locked sm-client (pid 13588) is

Solve the problem that ubuntu wireless hotspots have just been established and disconnected. It is really convenient to establish a wireless hotspot in ubuntu. I will not talk about how to establish it. Baidu can find a lot of problems, but many

Common settings in Linux 1. the user name and password are displayed in the tab bar of secureCRT. 1 echo-ne "\ e] 2; $ {USER} @ $ (/sbin/ifconfig eth1 | awk-F" [:] + "'/inet addr/{print $4}') \ a" can be directly executed on the command line or

Shell script learning notes-introduction and basic format shell introduction shell the original English meaning is shell, shell meaning. In linux, the shell in unix is a command line interface that accepts user commands. When the shell executes the

Linux background management linuxjobs & execute CTRL + Z in the background to pause the jobs of the current job. view the current job running in the background. fg pull the job numbered n back to the foreground. bg Run man command in the

In Linux, clear the history. In Linux, clear the history. in/etc/profile, change HISTSIZE = 1000 to 0 or 1, and run rm-rf. bash_history to clear historyhistory-c.When executing a command, do not write the command name to the history file, put it in

Vi editor for learning linuxRun vi filename: open or create a file, place the cursor at the beginning of the first line vi + n filename: open the file, and place the cursor at the beginning of line n vi + filename: open the file, place the cursor at

Linux basics #1: Shell is an intermediary between the user and the underlying operating system (usually the kernel, the Shell responsible for passing USER commands and operations to the underlying operating system is generally divided into:

Linux basic configuration and management 1 ---- basic Linux Network Configuration1 IP address addressing1. IP address addressing is a two-layer addressing solution. an IP address identifies a host (or a NIC interface)2. ipv4 is the most widely used

Differences between shell environment variables and set, env, and export I. shell Environment Variable Classification and set env export differences: set: Display (set) shell variables include private variables and user variables. shell of different