Cloud Applications

The slice is the smallest storage unit in the house. each slice has a size of bits. a circle is the magnetic column. this is the smallest unit of the partition. B: a block device. data is randomly accessed, such as hard disk C: character device,

In terms of accounts, UID/GID may be closely related to permissions. at the same time, you should pay close attention to these two points during manual account creation and understand what you are doing. The installation and creation of pure numbers

1. the runlevel level in Linux ranges from 1 to 6. different levels have different functions. See below: # The default running level. RHS uses the following level: #0-stop (do not set initdefault to 0) #1-single-user mode #... 1. run level in Linux)

Rsync server setup this solution uses the client to actively synchronize servers. server configuration: 1. create the mkdir/etc/rsyncdtouch/etc/rsyncd directory. conftouch/etc/rsyncd. secretschmod600/etc/rsyncd. s... Rsync server construction This

During our online maintenance work, we often need to back up some data. although it is not complicated, it takes a lot of time. I will share a Linux backup script here to implement automatic backup with ease, in addition, the files backed up in N

Linux kernel is the core of the system, so upgrading the kernel is a basic skill of the Linux system administrator. so I shared an article on system O & M practices, of course, I have added some content to the source file, that is, I have added the

Method 1. add rwsingleinit/bin/bash to the kernel option at startup, and enter key B to enter the single-user mode passwd. enter the password ctrlaltdelete twice to restart. Then, enter passwd in RHEL5, the system did not respond ;... Method 1. add

During the work test, the software implements a routing forwarding function and requires relevant configuration tests. The actual situation is as follows: PC1 is CentOS5.5 and has two NICs eth0 and eth1. Eth0 Internet, assuming 75.58.2.1; eth1

Operating system FAQ (answers for reference only) 1. what is interruption? What does the CPU do when it is interrupted? Interruptions refer to any unusual or unexpected emergency handling event in the system during computer execution, this allows

In Linux, there are multiple ways to use the tape drive. the tar command is the most frequently used method. tar is mainly used to directly write data to the tape drive in a single-host environment. The device name of the tape drive in Linux

In Linux (centos), the Android environment is configured. in Linux, the Android environment has been set up in Linux for the past few days. as we can see that android is very popular recently, we are trying to build an Android environment on Linux.

Linux is an excellent open-source operating system that allows you to mount disk image files, mobile hard disks, USB flash drives, Windows, and NFS, it can run on various computer systems from the largest to the smallest. with the increasing

Sudoapt-getinstalllinux-generic-pae # kernel package sudoapt-getinstalllinux-headers-generic-pae # kernel header package sudoapt-getinstallnvidia-currentnvidia-settings # applies to N-Carter tips. 32-bit system... Sudo apt-get install linux-generic-

I accidentally deleted the panel on Ubuntu at one time, which prevented me from doing many things because there was no panel. I have studied how to restore it. In fact it is very easy, in the terminal input: sudorm-rf.gconf restart after the

I learned how to get started every day. I cheated on the book & quot; unix Super Tool & quot; from mmmmn yesterday and understood a problem that I had been puzzled for many years, now, when you talk to skilled UNIX users, you will often hear them

1. Set MySQL login password: code: [root @ bogon/] # mysqladmin-urootpasswordroot2. Log in with a password: code: [root @ bogon/] # mysql-uroot-p3. Set character set (linux version: centOS6.0mysql version 5.5.15) first... 1. Set the MySQL login

Please do not refer to (1) LVS (2) gfs (3) iscsi part iptables-Fiptables-Xserviceiptablessaveip6tables-Fip6tables-Xserviceip6tablessavesetenforce0 installation server yuminstallscsi-targ... The article has not been completed. please do not refer(1)

1. doubts about the HelloWorld driver: when loaded into the kernel, the hello_init () function will certainly be called. the printk () function does not have a terminal to output the myfirstdriver string, when the module is uninstalled, Goodbye is

/Proc is a virtual file system. we can use its read/write operations as a means to communicate with the kernel object. in other words, you can modify the file in/proc to adjust the current kernel behavior. then we can adjust/proc/sys/vm/drop_cach...

1. install samb # yuminstallsamba2. configure [dev] commentzhoucyworkdirpath/home/devwritableyeswritelistdev3. add user # smbpasswd-adev4. start # servicesmbstart... 1. install samb# Yum install samba2. configuration[Dev]Comment = zhoucy work