Linux

The centos system is installed with python 2.4 by default, so upgrade python to 2.7.5 first. Reference: http://gavinshaw.blog.51cto.com/385947/610585Download the new version of python1: [root @ wangyuelou ~] # Wget http://python.org/ftp/python/2.7.2/

The first week of the long vacation is not suitable, and you are still looking for the status... This week, we upgraded some old Xen servers (CentOS 5.2 + Xen 3.1) to CentOS 6.5 + Xen 4.2. Since RedHat abandoned Xen on RHEL 6, it seems that the only

Mysql 5.5 has been available for a while, and its performance has been significantly improved, especially for multi-core CPU support and TPS performance improvement. Last week, the blogger introduced how to compile and install mysql 5.5 in linux.

1. Log On with root, or su root2.yum install "@ Chinese Support" 3. exit4. go back to the desktop. system-> preferences-> input method5. if not, log off first. 6. add the Input Method to the list. 7. log out and log on again. After logging out, the

Installation and configuration in LINUX is the only way for beginners of Java to start Java programming. Therefore, how to install and configure JDK in LINUX becomes the primary issue, this article will introduce you to the installation and

This article is made up of two articles. They are: Mr. Johness's clearest and meticulous tutorial! Step by step, we will teach you how to build a Win7 + CentOS dual system and install centos6.4 Dual System on Win7 of cjh331619411 The former has

The FTP configuration in Linux is actually very simple, but in the actual configuration process, it is often unable to be accessed due to Linux-specific security issues. The following describes the ftp configuration that ignores all security issues.

Figure 1: linux File Attributes Figure 2: linux Default Permissions In Figure 1, we can see that the figure is divided into seven columns, each column represents what I will describe in detail below. In Figure 2, we can see the default

1. User Management 2. User Group 3. Permission assignment 1. view User-related file commands: 1. cat 2. more 3. head/etc/passwd # view the top 10 lines of the file 4. head-2/etc/passwd # view the first two lines of the file 5. tail/etc/passwd #

1. View CPU usage Cpu usage reflects the current cpu usage. The reason for its high or low usage is that the process that occupies cpu processing time may be in the I/O waiting status but has not been released and enters wait. The average load

Tr-D. Delete matching characters.-S: delete consecutive identical characters'[String1] ''[string2]' replace string 1 with string 2Cut-B is counted as one byte, letter, and space, and Chinese characters are counted as three Bytes:For example, 1-3

I. Definition of time barYou can use crontab-e to compile scheduled tasks in the following format: Reference *** commandThe first five signs (*) indicate minute, hour, day, month, and week.The minimum interval between cron services is one minute,

This method is common in centos. Method 1:GRUB: On the boot loader menu, type [e] to enter the editing mode. You will face a list of pilot projects. Find the following output line: kernel/vmlinuz-2.6.18-164.el5 ro root =/dev/vol/root rhgb quite

1. Install the Conversion Tool [Root @ master/] # yum install convmv 2. view the Linux Character Set [Root @ master/] # locale LANG = zh_CN.utf8 LC_CTYPE = "zh_CN.utf8" LC_NUMERIC = "zh_CN.utf8" LC_TIME = "zh_CN.utf8" LC_COLLATE =

Bind dual NICs in Linux to achieve load balancing and Failure Protection (common in Centos5 and Centos6)Maintaining the high availability of servers is an important factor in the enterprise IT environment. The most important thing is the high

The vmstat command is the most common Linux/Unix monitoring tool that displays the status values of servers at a given interval, including CPU usage, memory usage, and virtual memory switching, IO read/write status. This command is my favorite Linux/

The whole process of uninstalling mysql under centos is recorded below. Some problems encountered during the uninstall process, so record them.[Root @ host ~] # Rpm-qa | grep mysqlmysql-server-5.0.95-1.el5_7.1mysql-5.0.95-1.el5_7.1mysql-5.0.95-1.el5_

Prerequisites: the disc has been attached to/media/RHEL_5.5 \ i386 \ DVD. In the/etc/yum. repos. d/directory, first back up the rhel-debuginfo.repo --> # cp rhel-debuginfo.repo rhel-debuginfo.repo.bak and then copy the following content to the rhel-

Both .bz2and .gzare the format of the compressed file under linux, which includes the. Zip and. RAR files under windows. The difference between .bz2and .gz is that the former has a higher compression ratio than the latter, and the latter takes less

Whether it is Linux automatic installation or manual installation, Linux will ask you about network problems and configure related software. The basic command used to configure the NIC is ifconfig. After executing the ifconfig command, the system