Cloud Applications

How to view the most CPU-consuming process of aix first to check who has the most CPU: display the first 10 accumulated CPU-consuming process # ps-e | head-n1; ps-e | grep-v & quot; TIME | 0: & quot; | sort + 2b-3-n-r | the head-n10 shows the first 1

[Basic] Preparations for batch deployment packages for LINUX servers under RHEL6: xinetd, tftp-server, dhcp, httpd, system-config-kickstart, syslinux, nfs test environment: local address: 192.168.46.98 local Gateway: 192.168.46.254 configure DHCP

UbuntuServer: attach a hard disk in Ubuntu as follows: 1. disable the Ubuntu virtual machine in Vmware. in settings, add a new hardware device and select HardDisk. (If you do not disable the Ubuntu system, you cannot add new hardware devices.) click

Cannot open the new site or 502? After the installation is normal, the default homepage can also be opened normally. 1. after the site is created, it cannot be opened. in the lnamp environment, it is certain that you have set pseudo-static, in

Aix disk management LVM---AIX disk partition management PV --- physicalvolume essentially refers to a hard disk this hard disk can be a physical hard disk, can also be a logical hard disk, in aix, the disk name is hdisk in physical order, such as

In linux, lftp connects to the ftp server for upload & amp; download Java code usage: lftpftp: // user name: password @ IP & gt; download directory nvidirname [download the entire directory contains subdirectories, we recommend that you use this

Linuxshell is nothing to do if you want to use shell in Linux to write a script for converting the Gregorian calendar to the lunar calendar, which is finally completed in about a week. Now let's share it with you. The implementation principle of

Talking about linux performance optimization 8: Removing unnecessary overhead talking about linux performance optimization 7: Cropping System Services http://www.2cto.com/os/201307/228390.html About linux performance tuning 7: I mentioned how to

Analysis of LinuxLD_LIBRARY_PATH (I) historical background nowadays, most of the software comes with a shared library, or for security reasons, or based on commercial considerations such as: ORACLE: $ ORACLE_HOME/libMySQL: $ HOME/mysql/lib...

Linuxftp batch upload and download files 1. log on to ftp, enter ftp192.168.1.111, enter the user name: ftpuser, enter the password: aaa123 2. go to the target directory and enter: cdtest ---- test is a folder. 3. batch upload and input prom. This

In Linux, the simplest way to create a specific size file using the dd command is to use the dd command. DdifinputFileNameof & quot; outFileName & quot; bs & quot; block size & quot; count block count the block size can be measured in bytes (1... in

Large-capacity XFS exception handling today, some data exceptions were found when I checked the alarm. when I logged on to the backup machine to view the file status, I found that the disk space was full and inode was faulty, therefore, all the

AIX User Management user and group management/etc/passwd/etc/security /. profile/etc/security/limits/etc/security/passwd/etc/security/user/usr/lib/security/mkuser. default user attribute lsuser-AIX User Management user and group

The latest version of Zebra installation and configuration is version 0.94. this is the latest version of Zebra after the first modified version of Quagga is released. My compiling and running environment is RedhatLinux7.3 and the kernel is 2.4.20-8.

There are many LVS + keepalived configuration memo LVS + keepalived documents for implementing load balancing. here we will not repeat the description, but only record what is easy to forget during the configuration process. 1. make sure that the IP

Linux view computer hardware device properties # uname-a # view the kernel/operating system/CPU information # head-n1/etc/issue # view the operating system version # cat/proc/cpuinfo # View CPU information # hostname... view computer hardware device

Common configuration of high-concurrency Linux server fs. file-max999999 # maximum number of handles that a process can open at the same time. net. ipv4.tcp _ tw_reuse1 # reuse socketnet in TIME_WAIT status. ipv4.tcp _ keepalive_time600 # When

Bashrc, profile, and other files are executed in bashrc in the/etc,/home/username Directory. add the following code to the profile File: Shell code echo 'date' & gt; /home/zhennn/priorityecho & quot ;/... when bashrc and profile files are executed,

Ubuntu12.04Server Configuration Record 1. single NIC with single IP address (common) vi/etc/network/interfaceautoeth0ifaceeth0inetstaticaddressIPnetmask subnet mask gateway open file/etc/network/interfaces... ubuntu12.04 Server Configuration Record 1

LINUX-awk command NF and $ NF differences LINUX-awk command NF and $ NF difference Q & A: 1. what does $ NF in awk mean? # Pwd/usr/local/etc ~ # Echo $ PWD | awk-F/& amp; #39; {print $ NF} & amp; #39; etcNF indicates the domain of the browsing