Linux

The pkill and pgrep commands in Linux are detailed with the name pgrep, pkill-find or send a signal to the process by name and other attributes. Syntax pgrep [-flvx] [-n |-o] [-d delim] [-P ppidlist] [-g pgrplist] [-s sidlist] [-u euidlist] [- U

For linux ssh, the full name of SSH is Secure SHell. As the name implies, it is a very Secure shell. The SSH protocol is IETF (Internet Engineering Task Force) network Working Group. The main purpose of SSH is to replace traditional tools for telnet

Ubuntu 12.10 desktop is installed on the hard disk. This method is applicable to i386 and amd64 versions. The FAT32 partition format or NTFS partition format can be verified ...... Preparation file: 1. ubuntu 12.10 ISO image file 2. grldr file, you

Centos 6.3 command line network settingsIn centos 6, no network configuration is set by default. You need to configure the network after startup:Dynamic Address mode (DHCP)1. Check network ip addressIp 2. Modify ifcfg-eth0

CentOS view CPU, memory, network traffic, and disk I/O installation yum install-y sysstat sar-d 1 1 rrqm/s: the number of merge read operations per second. That is, delta (rmerge)/swrqm/s: Number of merge write operations per second. Delta

The PPPoE client software must be installed to set the PPPOE broadband connection in Linux. The following describes how to install: This article uses RedHat Linux 6.2 as the experimental platform. For installation methods of Linux on other platforms,

Key points for using the find command in shell linux the find command is an important way to find files, and other bash commands can be used to achieve powerful operation results. Let's take a look at the basic components of the find command: find

Linux tcp tuning parameters analysis Java code any TCP/IP tuning parameters are located in the/proc/sys/net/directory/etc/rc. local Document, and then save the document, when the system restarts, the following TCP/IP Parameter echo "1024

The kernel introduces the mechanism for exporting symbols from a Linux kernel version 2.6. Only the EXPORT_SYMBOL or EXPORT_SYMBOL_GPL exported symbols in the kernel can be directly used in the kernel module. However, the kernel does not export all

How to obtain the shell script location where sh or source executes 1) supports execution from other directories, such as source xxx/yyy/test. sh 1) supports sh and source execution. 2) supports spaces in the path. 3) supports zsh and bash #!

Memory statistics and Memory leakage problems in linux are located in product development. By measuring the total memory consumption of the current system, you can accurately evaluate the total memory required by the product, in this way, the

Simple Linux skills and commands (1) Simple Linux commands: df Th view disk usage the Prt SC SysRq key on the keyboard captures the Alt + Prt SC SysRq key on the full screen keyboard to capture a Single Window ctrl + l clear screen ctrl + shift + "+"

Simple tips and commands for linux beginners (3) ctrl + c terminate the current process (entering the writing command status) ctrl + k Delete the content from the cursor to the beginning of the line ctrl + u Delete the content from the cursor to the

Linux server maintenance statistics on the number of connections view some statistics on the external IP server: 1) Statistics on port 80 connections netstat-nat | grep-I "80" | wc-l 1 2) count the number of httpd protocol connections ps-ef | grep

Linux configure static IP, set DNS and host name 1: static IP # vi/etc/syssconfig/network-scripts/ifcfg-eth0 DEVICE = eth0 BOOTPROTO = static HWADDR =; here is the physical address of your network card, you do not need to enter ONBOOT = yes IPADDR =

Only one source file can be used to package and decompress inux compression commands in linux. This means that before compression, You Have To package all the files to be compressed into one package, and then compress the package, to Compress

CentOS uses the top command to load the CPU. CentOS is the product of source code re-Compilation of RHEL (Red Hat Enterprise Linux), and many known bugs have been fixed on the basis of RHEL. Compared with other Linux releases, its stability is

Ubuntu replaces sun jdk with the default open jdk 1. download the installation package to the official website: jdk-7-linux-i586.tar.gz2. create the installation directory: sudo mkdir/usr/lib/jvm3. decompress: tar zxvf.

In Linux, configure and activate the network command line code # ifconfig eth0 192.168.1.100 netmask 255.255.255.0 up or above. After restart, the method will become invalid. Run the following command to set the command line code # restart the

Ubuntu Vmware how to enter the graphic interface, enter startx directly, and you need to see if your running of the gestational disease (gmtr) has started, if not, sudo/etc/init. all the prerequisites above d/gestation start are that you have