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Linux commands-linux File and permission management commands-linux permission management 1. ubuntu tips: In ubuntu, you can press ctrl + alt + t to open the terminal, and press ctrl + shift + t to open the second terminal. Adjust the font in ubuntu terminal Font increase: ctrl + shift + plus sign Reduce Font: ctrl + minus sign After entering the vi/vim Editor, en

[LInux] view the Linux system version information and the linux Version Information 1. View Linux kernel version commands (two methods ): 1. cat/proc/version [root@S-CentOShome]# cat /proc/versionLinux version 2.6.32-431.el6.x86_64 (mockbuild@c6b8.bsys.dev.centos.org) (gcc version 4.4.7 20120313 (Red Hat4.4.7-4) (GCC)

Do you remember the first time you used the Linux system? Like everyone else, maybe you have a painful installation experience, perhaps you also use FIPS or partition magic to increase your hard disk space, perhaps you have been cautious, scary, afraid of their own misoperation caused by the hard drive system necrosis. You often get headaches for doing this in a little-known Linux system, but now there is a

Apr 3 virtual-guest Drwxr-xr-x 2 root 4096 Apr 3 13:11 virtual-host These include energy-saving laptops, SAP systems, and virtual hosts. They are all predefined templates provided by Linux. The following can be modified to the desired version based on the existing configuration template. I want to configure a Profile that does not use the Linux Huge Page feature

Linux entry notes: 17th, Linux Command Line Text/file processing tools, linux File ProcessingI. File browsing Cat View File Content more View File Content in the form of pages (only page flip) less View File Content in the form of pages (you can flip pages) head view the first few lines of the file (10 lines by default) tail: Check the last few lines of the file

[Linux] PHP programmers play with Linux series-install nginx on Linux and Windows-linuxnginx 1. PHP programmers turn to the Linux series-how to install and use CentOS 2. PHP programmers play with Linux series-lnmp Environment Construction 3. PHP programmers play with the

before other processes are run.4. amd: automatically installs the NFS daemon.5. anacron: An automated task daemon. Red Hat Linux tool with four automated tasks: cron, anacron, at, and batc. When your Linux server is not running all day long, this anacron can help you execute the work that has not been executed within the time set by "crontab.6. apmd: apmdAdvanced Power Management) is advanced Power Managem

1./usr/sbin/ntsysv -- level 345 On the startup configuration page, if -- level 345 is not specified, only the current startup level is set. Space settings or clear settings, direction keys for selection Ntsysv is also a call to chkconfig 2/sbin/chkconfig List service chkconfig [-- list] [service name] Add service chkconfig -- add service name Delete service chkconfig -- del service name Set the start/stop service chkconfig [-- level 345] service name on | off 3 ntsysv/chkconfig can only be set t

The waiting queue of Linux kernel is based on the double cyclic list, which is closely combined with the process scheduling mechanism, and can be used to realize the core asynchronous event notification mechanism. In this list, there are two types of data structures: The waiting queue header (wait_queue_head_t) and the Wait queue item (wait_queue_t). Both the wait queue header and the Wait queue item contain a list_head type of domain as a "join". It

Linux ECs: linux operation basics and linux ECs Basics1. Shell Shell is the user interface of the system. The shell interpreter converts commands into system function calls and transfers them to the kernel for completion. If it is an external command or utility, then try to find the directory in the hard disk and transfer it to the memory, then interpret it as a