Linux

Process status in Linux: Run Status (task_running) (R State)A state that is being run or ready by the CPU. Such a process is becoming a runnning process. The process of running state can be divided into 3 cases: Kernel running state, user running

Read Catalogue Regardless of the Linux/unix operating system, their directory structure is the same, I am using the CentOS distribution of the Linux operating system Simple Introduction Tree-like directory structure

First update the sourcesudo apt-get update Installing the SSH Servicesudo apt-get install Openssh-server Detect if it is startedPs-e | grep sshSee the word ssh, instructions have been started, if not started manually/etc/init.d/ssh start

1. UsePrints a printable string in a file. Commonly used to find strings in binary files, used in conjunction with grep. The strings command outputs a string that contains at least a continuous 4 printable characters, which can be modified by

The location of DNS settings under Linux is mainly:1. Network card settings configuration file inside the DNS server address settings.2. System default DNS server address settings.3. The Hosts file is specified.The order of entry is:1 Hosts file----2

1.suid is: Let the ordinary user can perform "only root permission to execute" Special permissions, Sgid "group" ( only valid for binary program ) 2.stick bit (paste bit) is: Unless the directory owner and root user has permission to delete it,

Compression format: gz,bz2,xz,zip,z Compress:filename.z Early Compression commandsUncompress Gzip:. GZ can only compress filesGzip/path/to/somefile: The source file is deleted when compression is complete-D: Unzip-#:1-9 specifies that the

Echo"local100">>/etc/iproute2/Rt_tables Echo"local200">>/etc/iproute2/Rt_tables Echo"local300">>/etc/iproute2/rt_tables IP route add192.168.0.0Dev eth0 src192.168.0.251Table local100 IP route add192.168.0.0Dev eth1 src192.168.0.252Table local200 IP

8 27th Regular Expression of the work, the students are active quality and quantity completed, Marco and 51CTO College after screening, the final selection of 5 students of excellent work. Verbal praise is not practical, of course, to point to the

Yesterday afternoon I did a bit of tinkering. The virtual machine installed, although the version is not too new, is the Linux mint13, the latest to 17.2 seems, but see the computer can run two systems, or feel excited and magical.Because I looked

Today just installed the CentOS system, to upload files to the server, although you can use other tools to upload, but remembered in the use of Securecrt/xshell such as SSH the signed-in software can also use the rz/sz command to upload and

transferred from: http://blog.chinaunix.net/uid-24219701-id-3288103.html jiffies counter timer interrupts are generated by the system's timing hardware at regular intervals; this interval is programmed by the kernel at boot time based on the Hz

1. Linux view version current operating system kernel information# uname-alinux NAS1 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 03:15:09 UTC-x86_64 x86_64 x86_64 Gnu/linux2. Linux view current operating system version information# Cat/proc/versionlinux

continued to decorate the Linux server environment for two days, write some of their own two days of work summary, the first time under the Linux deployment environment, really toss! Although the process is very difficult, finally decorate, the

Crack the CentOS root Password under the VM, centosroot 1. When starting the system, the system prompts you to press the "e" key within 3 seconds to interrupt normal startup. You can also press the "enter" key to enter the system directory and then

Regarding ubuntu software installation: What is the difference between apt-get and dpkg ?, Apt-getdpkg The difference between the two is that dpkg bypasses the apt package management database to operate the software package, so you can use apt to

Linux Process understanding and practice (3) Use of Process Termination functions and exec Function FamiliesTermination)(1) Exit normallyReturns [return] from the main function.Call exitCall _ exit or _ ExitThe last thread returns from its

7. Linux learning-garbled Solutions1. garbled characters are caused by inconsistent codes. Note the following: 1. the default supported language data in Linux: this is related to/etc/sysconfig/i18n; 2. the language of your terminal interface (bash):

Path Optimization for multiple core linux kernels-slab and partner systemsAs the first article in this series, I will first describe the slab system. I have discussed this topic with my colleagues and friends in recent days. I think this topic is

Linux signal programming practices (1)Interrupted Interruption is the system's response to asynchronous events. During code execution, the process can be interrupted at any time and then run the exception handling program; Computer System