Linux

Using ssh-agent is a program that controls the private key used to save the public key for authentication. The ssh-agent starts at the beginning of the X session or logon session. All other windows or programs are started as client programs and

Add storage partitions with Parted and create LVM Volume 1, Parted partition 1, parted partition www.2cto.com # parted/dev/sdaGNU Parted 2.1 use/dev/sdaWelcome to GNU Parted! Type 'help' to view a list of commands. (parted) help first, let's take a

After the file is deleted, the disk space will not be released and an alarm will be triggered. the disk space will soon be full. $ Df-h www.2cto.com file system capacity used available % mount point/dev/sda2 15G 937 M 13G 7%/dev/sda3 473G 105G 344G 2

Warning: setlocale: LC_CTYPE: cannot change... the following error occurs when you accidentally log on to the terminal root: www.2cto.com warning: setlocale: LC_CTYPE: cannot change locale (en_US.utf8): No such file or directorywarning: setlocale:

Linux decompress and package command Daquan gzip command to reduce the file size has two obvious advantages, one is to reduce the storage space, the other is through the network to transfer files, can reduce the transmission time. Gzip is a

Classification and switch of the Console in Linux: perform some operations on the Console in Linux. Just like routers and switches,Each has a console port, which can be configured through the console port for the first configuration.Category:

Rsync is a file synchronization and transmission tool in Unix systems. Rsync uses the "rsync algorithm" to quickly synchronize files between a client and a remote file server. Some features of rsync javasdersync includes the following features: *

Linux cainiao must also know several basic ubuntu commands 1: sudo should be one of the most common commands in linux, because you can temporarily obtain root permissions even if you are not a root user, for example, installing and uninstalling,

For Linux system tuning parameters, all TCP/IP tuning parameters are located in the/proc/sys/net/directory. For example, the following are some of the most important optimization parameters, which are followed by their meanings: 1./proc/sys/net/core/

The Nginx monitoring request lua script sends a Report to the server through udp when the response status code is not 200. Monitor. lua [plain] -- Config Nginx. conf: -- set $ str $ uri; -- content_by_lua_file; -- location/proxy {-- proxy_pass http:

Compile kfed [oracle @ rac lib] $ cd $ ORACLE_HOME/rdbms/lib [oracle @ rac lib] $ pwd/u01/app/oracle/ product/10.2.0/db_1/rdbms/lib [oracle @ rac lib] $ make-f ins_rdbms.mk ikfed Linking KFED utility (kfed)

In linux, a single Nic is bound to multiple IP addresses. Note: A single Nic is bound to two IP addresses, including China Telecom and China Unicom. The purpose is to ensure that China Unicom works normally when China Telecom fails. System IP

Ubuntu linux shutdown, restart, and logout command (linux) 1 shutdown command it seems that the default command in the ubuntu terminal is the current user's command, just a common user, therefore, you can use sudo-sh in the supervisor to convert it

Backup and restoration of the Linux operating system will be performed on the Linux operating system in the past two days. After checking some information, we will record the backup and restoration commands: 1. backup: # Switch to root [plain] sudo

Using autossh to ensure the stability of the ssh tunnel we recently hope to establish is reliable. Sometimes the process is still in progress, but the connection is no longer valid. Autossh is a good thing. Installing apt-get install autossh in

It takes a long time to add the Pinyin Input Method for ubuntu 10.04. When you need to check something or enter Chinese, you have to run it to the VM, which is inconvenient, today, I searched for information on the Internet and added the Pinyin

The most traditional Disk File System (filesystem) in Linux uses EXT2. centos5 supports EXT3 and 6 supports EXT4. The file system consists of the following three parts: 1: superblock: record the overall information of this filesystem, including the

[O & M engineer _ 01] 20 built-in monitoring tools for Linux systems: top workers often have server performance problems during O & M, such: i/O, CPU, memory, network and other bottlenecks, so the system O & M, can not sleep? The following tools are

Firefox vimperator vi shortcut: Mozilla Firefox shortcut ctrl + L: the cursor is positioned directly on the address bar F11: full screen CTRL + TAB: Next tag CTRL + SHIFT + TAB: Previous tag CRTL + 9: select the last tab CRTL + J: Download CTRL +

[O & M engineer _ 02] 20 built-in Linux system monitoring tools: vmstat and netstat. This article is the second article and the first article of O & M engineer on the road. See: [O & M tips _ 01] 20 built-in monitoring tools for Linux systems: top