Linux

For debian service management, we can use the method of selective shutdown to accelerate startup and improve system performance. Here we install a software: sudo apt-get install sysv-rc-conf sudo sysv-rc-conf in this software, you can use the

Multiple audio decoders are installed in CentOS to create a Linux all-around player. To avoid copyright problems, Centos does not install external decoders. For manual installation. The following operations require the administrator privilege to log

Embedded learning linux FTP configuration 1. query the IP address and CIDR Block of the host system: 1. Enter the win7 command line control window: Run --> cmd --> enter the command ipconfig, for example: 2. Set the IP address, CIDR block, and

Keepalived01: Dual-nic server hot standby 01keepalived dual-nic server hot standby 02 03 environment: 04 master: eth0 (192.168.0.100/24) eth1 (10.0.0.100/24) 05 backup: eth0 (192.168.0.200/24) eth1 (10.0.0.200/24) 06 07 software installation: 08

The svn address is located again (windows and linux). The svn switch (sw) help information has a problem with the company's router today, and the server IP Address has also changed, but the original svn has been set. Now you need to change the

Data Stream redirection in Linux and redirect (redirect) Names in short for code usage standard input stdin 0 of the string after the input ends, and output the correct data in overwriting mode>, standard error output (stderr 2) is the correct data

Linux Bash environment variable Command Execution Order 1 Execute Command in relative/absolute PATH 2 find this command by alias execute 3 Execute Command built in bash 4 search first through the $ PATH variable order command to execute the complete

In linux, the usage of chkConfig is as follows: chkconfig [-- add] [-- del] [-- list] [System Service] Or chkconfig [-- level ] [System Service] [on/off/reset] parameter usage: -- add: adds the specified system service, enables the chkconfig command

Install sun jdk7 under ubuntu, firefox22 install jre installation package is jdk-7u25-linux-i586.gz, unzip: tar-xvzf jdk-7u25-linux-i586.gz copy to/usr/lib/jvm: sudo cp-rf jdk1.7.0 _ 25/usr/lib/jvm to change the environment variable: gedit ~ /. Open

Linux Security Configuration miscellaneous SSH configuration vim/etc/ssh/sshd_config /dev/null 2> & 1: s/# LoginGraceTime 2 m/LoginGraceTime 2 m /: s/# PermitRootLogin yes/PermitRootLogin no/: s/# MaxAuthTries 6/MaxAuthTries 3/: % s $ #

Ubuntu troubleshooting Summary 1. ubuntu supports the installation of multimedia playback plug-ins (required after the new system is installed) ubuntu-restricted-extras package allows users to install ability to play popular non-free media formats,

Ubuntu Server: 1. Disable the Ubuntu Virtual Machine in Vmware. In settings, add a new hardware device and select Hard Disk. (If you do not disable Ubuntu, you cannot add new hardware devices.) Click Next and select the hard disk type. You can

Cannot open the new site or 502?After the installation is normal, the default homepage can be displayed normally.1. After the site is created, it cannot be opened. In the lnamp environment, the error 502 is displayed.It is certain that you have set

Configure iptables on the FTP serverSystem: CentOS6.2Software: vsftpd, iptablesAfter the system is installed, the default iptables rule only allows packages in the RELATED, ESTABILISHED status and SSHD data packets to enter the server. After vsftpd

Talking about linux Performance Tuning 3: before partitioning and formatting, there is a special situation that may occur in the production environment: An ext3 file partition of the system, when a user writes a file to this partition, the system

Linux Performance Tuning 7: cropping system services talk about linux Performance Tuning 6: I/O scheduling algorithm selection http://www.bkjia.com/ OS /201307/228389.html usually deploy application services, for a single server only provides a

How to install the savanna-all.tar.gz in the decompressed Software Package install tar-C/-xzf savanna-all.tar.gz install the following software 1,/openstack-horizon2,/etc/Savanna/savanna. conf3,/usr/local/bin/savanna-api and

The difference between solaris and linux commands is that although solaris and linux are both unix kernels, many commands are still different. I collected their differences online and shared them. 1) view open port Linux: netstat-atn Solaris:

In linux (centos 6), you can adjust the size of the Mount partition and install centos6 using the auto-recommended partition. In this case, the/home partition is too large. Target:/home is 20 GB, and the remaining value is added to the/directory. 1.

CloudStack 4.1.0 installation details-2. KVM (kernel-based Virtual Machine) is an open-source system virtualization platform. It has been integrated into the Linux kernel since Linux 2.6.20, because it uses the Linux Scheduler for management, its