Linux

1. uptime commandOutput: 16: 11: 40 up 59 days, 2 users, load average: 0.00, 0.01, 0.00 2. View/proc/uptime file calculation system startup timeCAT/proc/uptimeOutput: 5113396.94 575949.85The first number is the system running time of 5113396.94

Linux uses grub to start the system. Therefore, you can modify the MEMU. LST file to start the DOS system. In general, we can use a virtual DOS system to reduce some problems during installation. The virtual dossystem can use the bootdisk.img

In Ubuntu Linux, the telnet service is not provided by default. First, install and enable the Service as follows: 1. sudo apt-Get install xinetd telnetd (after the installation is successful, the system will prompt accordingly) 2. Add the

1. Basic KnowledgeLinux provides services by running in the backgroundProgram(Daemon.The daemon is used to open a port and wait for the connection to enter. In C/S mode, if the customer requests a connection, the daemon creates a (fork) sub-process

Iptables is a common firewall software in Linux, the following describes how to install and clear iptables rules. Only the specified port and iptables are enabled for iptables to shield basic iptables applications, such as specified IP addresses, IP

    Red flashing files in LinuxHttp://space.itpub.net /? Uid-35489-action-viewspace-itemid-563067In general, the loss of files may lead to the emergence of many red files and directory names. These files and directory names are usually

Centos is compiled based on the RedHat server version and is more suitable for server applications. If you have tried some common commands, all of them are OK. If you use commands such as ifconfig and service, an error is returned .. These

) Tool descriptionIn SSH login software such as securecrt, you can enter the RZ/SZ command in the Linux interface to upload/download files. For rhel5, Rz/SZ is not installed by default, so you need to install it manually.SZ: Send the selected file

ArticleDirectory Install NTP server Configuration Start the NTP server Linux client machine configuration Windows client machine configuration   NTP (the Network Time Protocol) is a Network Time Protocol used to

The centos system was installed yesterday. Several files were remotely copied back at night. I came to see this message a few mornings. Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> 1

Function: copy a file or directory.Note: The CP command is used to copy files or directories. If you specify more than two files or directories at the same time, and the last destination is an existing Directory, then it copies all the previously

Cron is a Linux scheduled execution tool that can run jobs without human intervention. Since cron is a built-in service in Linux, but it does not automatically get up, you can use the following methods to start and close this service:

As we mentioned in the previous article, when a new process is started, the new process will copy most of the context of the parent process and then runCodeIf the new process does not run the code of the original parent processProgramCentralized

1. Run the file checkout to the local directory and reference the svn checkout path (path is the directory on the server) Example: SVN checkout SVN: // 192.168.1.1/Pro/Domain Abbreviation: SVN Co 2. Add a new file to the version library to

In the AIX operating system, you can configure multiple etherchannels (NIC binding ). Before AIX 5.2, we can only select the active/active etherchannel mode or the active/standby etherchannel mode to bind the NIC. Therefore, the new Nic backup mode

This article summarizes some common commands and parameters used to add or delete users and user groups in Linux.1. User Creation:Adduser phpq // create a phpq userPasswd phpq // set a password for the phpq user 2. Create a working groupGroupadd

On Windows, many compressed files are rarfiles. How can I decompress the rarfile in Linux (unrar Installation and Use )? Simple: Install unrar in centos5.Unrar InstallationThe method is as follows: Wget

Http://help.aliyun.com/manual? SPM = 5176.383518.0.105.gtityf & helpid = 273Applicable system: RedHat   1, Start vsftp Server A. After logging on to the Linux host, run the command: "service vsftpd start" B. Run the command "chkconfig -- level 35

In an article on linuxscrew.com, several fatal commands in Linux can easily overwrite your computer. These commands may be very familiar to some Linux system administrators. 1. The following command can easily clear the data on your computer disk.

Running the. NET program in Linux sounds crazy, but it is so promising. Linux, as a server, has no doubt its advantages. It can be said that Unix-like systems (Linux, Unix ......) It is a natural operating system suitable for servers. Its stability,