LVM and disk quotas
One, LVM logical volume management
1, LVM overview
Logical Volume Manager, logical volume management
(1) Dynamically adjust the disk capacity to improve the flexibility of disk
Category: Linux
Linux is a free-to-use and freely disseminated Unix-like operating system. It is a multi-user, multi-tasking, multi-threaded and multi-CPU operating system based on POSIX and UNIX. It can run major UNIX tools, applications, and network protocols. It supports 32-bit and 64-bit hardware. Linux inherits Unix’s network-centric design philosophy and is a multi-user network operating system with stable performance.
linux-awk-3
awk
Basic syntax
Awk –Fs’/pattern/ {action}’ input-file
(or)
Awk –Fs'{ action}’ input-file -F is the field delimiter. If not specified, spaces will be used as delimiters by default.
/patter
LVM logical volume management in Linux
1. Introduction
LVM is the abbreviation of Logical Volume Manager (Logical Volume Manager). It is a mechanism for managing disk partitions in the Linux environment. LVM is a logical layer bui
Various errors possible cause (no time update)
Record the approximate reasons for various errors. As long as you have an outline in your mind, it is not easy to make mistakes.
Wrong Answer
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Three modes of the VI editor
Three modes of the vi editor Generally speaking, the vi editor has three modes, namely the general command mode, the edit mode and the command line command mode. The functions of these three modes
linux-PXE-12
Manage server IP address and host name in DHCP+DNS mode. Before the server is put on the shelf, based on its MAC address, configure the host reservation in DHCP and assign the host name. DHCP combi
Linux Command Directive
1.ls display directory content
-a display all files in the directory
-l show detailed information
ls *.c list all the current directory.cFile
2.uname -a Check the kernel ver
Linux LAN through mapping (dual network card)
Illustration:
1.IP planning settings
2. Modify network card configuration and iptables configuration
??? strong>??? ????< /strong>??? strong>??? ????? strong>??????< strong>???? s
linux-dns-11
1. The DNS server address setting in the network card setting configuration file, 2. The system default DNS server address setting. 3. Hosts file designation
The effective order is:
1 hosts fil
Linux Common Directive 3
cal command:
cal output the calendar of the current month
cal -1 is equivalent to cal
cal -3 output the calendar of the previous month, this month, and the next month
cal -y year output