Cloud Applications

Apt the original use of the mirror station is slow, so switch to the http://mirrors.163.com, the speed is not covered. The source record file of apt-get is/etc/apt/sources. list. you only need to change the source address. deb starts with the source

In Linux, the SQLPLUS return key cannot be used to display ^ H by hitting the return key. this is caused by a keyboard ing problem. There are several ways to solve the problem: (1) use the delete key instead of the return key. (2) use ctrl +

Nic configuration: 1. Nic configuration files configure Nic information, including IP addresses, subnet masks, and gateways. The NIC information is saved in the NIC configuration file. The NIC configuration file is located in

Take server 41 as an example. use SSH to ACCESS Linux. 10.117.10.41/1231231. first, go to the database and execute the command to start the database to check whether the database can be started normally. Generally, the database cannot be started

How to add gateway in linux: how to add gateway temporarily routeadddefaultgwip delete routedeldefaultwww.2cto.com permanent add method modify/etc/rc. local add command in File: routeadddefaultgwip restarts Nic or machine takes effect author

The function of chmodchmod (changemode) of a linux command per day is to change the file or directory permissions. Chmod -- help can be used to view specific parameters. Www.2cto.com 1. permission 1. linux has general and special permissions.

In Linux, it is common to use the tar command to package and compress files. However, the Linux file system has a limit on the file size. that is to say, a file cannot exceed 2 GB. if the content of the compressed package is large, the final result

Register a program as a LINUX system service and set it as a self-starting method. here, redhatlinux is used as an example to set a JAVA program as a system service, manage it using the service command, and follow the system to start it. 1. write

# Include & lt; stdlib. h & gt; voidexit (intstatus); unlike fork, it is difficult to understand. from the exit name, we can see that this system call is used to terminate a process. No matter where the program is located, as long as the exit system

Rpm-qplxxxxxx.rpm1. installation of the rpm package rmp package can be done using the program rpm. Run the following command rpm-iyour-package.rpm where the your-package.rpm is the file name of the rpm package you want to install, typically placed

The last command can be used to view user login records. The history Command can view the command execution history. Commonly used log files www.2cto.com are as follows: access-log records the transmission of HTTP/web acct/pacct records the user

1. LVMLVM is short for logical disk volume management (LogicalVolumeManager). it manages disk partitions in Linux. LVM is a logical layer built on hard disks and partitions, to improve the flexibility of disk partition management. You can use the

Description: If linux log files are cleared occasionally, the entire disk is filled. This is dangerous, so log management is one of the daily work of the system administrator. We can use logrotate to manage linux log files, which can implement

The usage of the ps command in linux indicates that in linux, you can use the ps command to check the running and running statuses of processes, whether the processes are completed, whether the processes are botnets, and which processes are

When we use the centos system for CentOS time adjustment, problems may occur frequently in the time zone, and sometimes errors may occur after the change. next we will learn a way to change this situation. If you are not using CentOS, run the

Finally, let the old man encounter the problem of not executing crontab. my solution is debugging. First, crontab-e modifies its own automatic program. suppose it is Java code */1 ***** sh/home/blackwing.shwww.2cto.com. if it is found that it is not

The uniquniq command of a linux command every day is used to remove repeated row output from the file. (Do not change the original file) uniq -- help can be used to view command parameters. Uniqfile1 shows the content in file1, and the repeated rows

Check whether the linux system file has been changed by using md5sum. Export lsfirst.txtgrouppasswdsecond.txtthird.txt # pwd/mnt/tt # md5sum/mnt/tt/* & gt;/opt/md5_res.txt \ perform md5 verification on the files in the tt directory and store the

Solve the wine garbled problem in linuxmint because the font Association is incorrect. modify the key value of the registry when solving the problem, install wine in ubuntu8.04. if any garbled characters are displayed, you can modify the Registry

The dudu command of a linux command per day is used to summarize the disk usage of each & lt; file & gt; and the total usage of the Directory. By default, the current directory can be associated with a specific file or directory. Www.2cto. comdu