How to open a Initrd file system on a Linux system

Initial RAM Disk The Linux initial RAM disk (INITRD) is a temporary root file system that is mounted during system boot to support two-stage boot processes. The Initrd file contains various executables and drivers that can be used to mount the

Linux crontab command start/restart/stop detailed

The Linux system is controlled by a cron (Crond) system service. The Linux system already has a lot of planned work on it, so this system service is started by default. In addition, because the user can set the scheduled task themselves, the Linux

Linux directory file permissions to set the command detailed

Under Linux, Web directories and file permissions must consider the security of the system as a whole. In general, for the directory, you need to set R (read) and X (execute) permissions, and some directories also need W (write permission), for

SQUID3 (high hit Ratio) cache server configuration in Linux

Today, my varnish carried out a small pressure test, 40s 8000 concurrency, no failure, an estimate can withstand a greater concurrency, not to mention varnish, I recently found a high percentage of squid profile, of course, squid3.0 configuration

Linux under Zip, tar, tar.gz, tar.bz2 detailed

Compression, decompression is the daily work of the two common operations, for Windows platform, the most commonly used format is zip and rar, most of the domestic use of RAR, most of the foreign is using zip. For Unix-like platforms, the commonly

Linux Common commands (6) MV command

The MV command is the abbreviation for move, which can be used to move files or rename files (rename), which is a common command under Linux, often used to back up files or directories.1 command format:MV [option] original file or directory

Linux Yum Command detailed

Yum (full name Yellow dog Updater, Modified) is a shell front-end package manager in Fedora and Redhat and SuSE. Based on RPM package management, the ability to automatically download the RPM package from the specified server and install, can

(collect) The solution of garbled characters in Linux environment

****************************When it is removed from the database , it is encoded in a character stream when it is stored in a linux file. The code is as follows:fileoutputstream fos=new FileOutputStream (NewFile (FilePath), true);Writer ut=new

SSH usage under Linux systems (based on personal experience)

For Linux OPS workers, using SSH remote remote server is no longer familiar! Some of the strict settings for SSH also related to server security maintenance, today, I work in the use of SSH experience, do some summary records to the next. (1) After

Selection of partitioning for Linux system installation

Scenario: The partition of Linux system is always fascinated by the boundless, or practice less, the foundation is not solid.Prior to the first knowledge of Linux, the Linux system installation of the choice of partition, a little did not understand,

Kkjcre1p:unable to spawn JOBQ slave process, slot 0, error 1089 (Linux x86_64) patch

When shutdown immediately, alert log appears with the following error message and does not close properlyKkjcre1p:unable to spawn JOBQ slave process, slot 0, error 1089The problem was caused by bug23102157 , looking at MoS, and without a patch for

Linux chmod commands

Inux chmod-x//removal of execution permissionsThe following is the detailed usage of chmod:The chmod command is used to change access rights for Linux system files or directories. Use it to control access to files or directories. There are two ways

[Linux] Linux cracked version confluence installation

OS CentOS 6.5The required installation packages are as follows:Jre-7u67-linux-x64.rpmatlassian-confluence-5.4.4-x64.binmysql-connector-java-5.1.32-bin.jarconfluence5.1-crack.zipconflue NCE-5.4.4-LANGUAGE-PACK-ZH_CN.JAR:HTTP://PAN.BAIDU.COM/S/1I3D5RU1

Linux system Text processing the Three Musketeers of awk

GNU awk:Text Processing Three musketeers: Grep,sed,awkGrep,egrep,fgrep: Text Filtering tool: patternSed: line EditorPattern space, hold spaceawk: Report Generator, formatted text outputGawk-pattern scanning and processing languageBasic usage: gawk

Linux bug 14258279:scheduling clock overflows in 208 days

Morning colleague reflects that the database is not available. Unable to log on to the host properly. After several attempts to finally board the host, check the system log found the following error:Bug:soft lockup-cpu#5 stuck for 17163091988s!It

An explanation of LDAP deployment under Linux

An explanation of LDAP deployment under Linux1.LDAP Server Installation[Email protected] ldap]# vim/etc/hosts #本地解析域名1.1.1.13 willow.comInstalling LDAP-related software :OpenLDAP, openldap-servers, openldap-clients[email protected] ~]# Yum

6 Excellent mail transfer agents under Linux

Guide On the internet, the mail client sends mail to the mail server and then routes the message to the correct destination (other customers) , which Mail server Use of the a network application is called the message transfer agent (MTA).

Linux feature file archiving and compression (tar, file, Zip)

This paper mainly from the following several convenient to explain file archiving and compression, while comparing the compression ratios and characteristics of several different compression methods. File Archive command tar,tar.gz source

Linux system Programming--daemon creation and explanation "turn"

This article was reprinted from: Http://www.cnblogs.com/mickole/p/3188321.html A, overview of the daemon processLinux Daemon (daemon) is a special process running in the background. It is independent of the control terminal and periodically performs

Linux Text Processing tool sed

650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M00/85/9C/wKiom1ep2zny4PdwAAFu9IzGW3E832.jpg "title=" SED working mode. jpg "alt=" wkiom1ep2zny4pdwaafu9izgw3e832.jpg "/>SED works: sed reads a line from a file, does not directly edit the

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