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The historyhistory command of a linux command in one day is used to display the used commands and number them. Historyn displays n recent commands. Www.2cto. comhistory-c clears the history of the current shell. The history-d801 removes the...

Use linuxps to query the start time of a process ps command for common usage (for easy viewing of system processes) 1) psa displays all programs under the current terminal, including programs of other users. 2) ps-A displays all processes. 3) when

The unameuname command of a linux command is used to display computer and operating system information. Uname -- help can be used to view command parameters. Uname-a is applicable to all the following parameters. Uname-s displays the kernel name.

User Management-user information and password configuration file user management has a lot to learn, of course, it will not simply put two creations... information & nbsp; | & nbsp; Security & nbsp; | & nbsp; user management-user management of user

Add sqlite3 development environment 1 for lazarus in ubuntu and run it in the terminal: sudoapt-getinstallsqlite3libsqlite3-dev2 copies files in the/usr/lib/lazarus/0.9.30.4/components/sqlite/directory to/usr/lib/lazarus/0.9.30.4/ide. add sqlite3

In Linux, apart from common Read (r), write (w), and execution (x) permissions, linux has three special permissions, they are setuid, setgid, and stickbitwww.2cto. com1, setuid, setgid first look at an instance, view your/usr/bin/pass... in Linux,

It completely solves the problem of mouse offset (mouseoffset) of OracleSqlDeveloper in linux. oraclesql1_3.1.07.42 is installed in linuxmint12. it feels good to connect Oracle, Mysql, and SqlServer ......., but there is always a problem, that is,

CentOS dual-Nic dual-IP system environment: CentOS Linux network environment: two IP addresses, 192.168.0.10 and 10.10.30.2, mask 255.255.255.0, the two subnet gateway addresses are 192.168.0.1 and 10.10.30.1. 1. configure the IP address 192. 168

In linux, the nfs and portmap services share remote disks. in linux, you can mount a remote disk to a local directory through the nfs and portmat services. The method is as follows: 1. start nfs and portmap servicenfsstartserviceportmapstart on the

For Linux (ubuntu) virtual memory, the swap space is the virtual memory, which is of great use when the physical memory is insufficient. View the memory space size: free-m // m indicates that the displayed byte unit is m (megabytes). next we will

CentOS commonly used to view the system command # uname-a # view the kernel/operating system/CPU information # head-n1/etc/issue # view the operating system version # cat/proc/cpuinfo # view the CPU information # hostname # View computer... common

Ubuntu12.04 LAMP installation configuration 1. install www.2cto for LAMP. com1.sudoapt-getinstallapache2mysql-servermysql-clientphp5php5-gdphp5-mysql due to LAMP most operations and/var/www directory related, for convenience, repair... install and

Linux uses Ring3 to run the user state. Ring0 is used as the kernel state, but Ring1 and Ring2 are not used. Ring3 status cannot access the address space of Ring0, including code and data. Linux process 4 GB address space, 3g-4G part is shared...

Tumysql installation and user login to install MySQL, you can run the following command at a terminal prompt: sudoapt-getinstallmysql-servermysql-client # the middle will let you enter a root user password sudoapt-getinstallphp5-m... ubuntu mysql

Disable the service through network connection in unbuntu #! /Bin/bash # specify ipIP192.168.1.1 # specify the crm directory CRMDIR/home/huchy/crm-ehr-20120522-deploy/# specify the user's password www.2cto. comPASSWORD_USER123456 # define flagPi...

When checkfilesystem is started, the system cannot continue to guide the problem. The solution is as follows: when checkfilesystem is started, the system cannot continue to guide the Tip: there is something worth attention here, that is, we don't

Increase the maximum number of opened files/file descriptors in Linux. 1. view the maximum number of opened files. 1. view the system and the maximum number of opened files. [root @ localhost ~] # Cat/proc/sys/fs/file-max65535www.2cto.com2, view the

Linux file permissions related issues I feel that the linux Foundation is not solid, so I want to read "laruence's Linux private house Dish" (do not despise me ...) Read the file permission chapter, chmod, and found a problem: it seems that no,

In Linux, how can I modify the IP address information is always changed using ifconfig, and always had to be redone after restart. If you modify the configuration file, you don't have to worry about it ~ A. The IP address modification takes effect

We all know how to customize the Ubuntu12.04GnomeClassic panel. Ubuntu12.04, as an LTS, will take into account the usage habits of various users. its Gnomeclassic mode will follow the Ubuntu10.04 experience. If you do not know how to install