Linux

In Linux, check the memory and Load Status. Check the memory usage of www.2cto.com cat/proc/meminfo MemTotal: 16332644 kBMemFree: 5635360 kBBuffers: 787976 kBCached: 3728512 kBSwapCached: 13136 kBActive: 8322332 kBInactive: 1485644 kBActive (anon): 5

Packet Capture records when a dhcp client switches between different dhcp severThe author's dhcp client switches between different dhcp sever at one time (from 10.0.2. * network segment to 10.0.9.x network segment), capture the following packet: www.

How to create a simple Shared Server in LinuxOpen a terminal, cd it to a directory, and enter "python-m SimpleHTTPServer" to share the content in the current directory, as shown below: www.2cto.com [cpp] long @ long-Ubuntu :~ $ Cd VideoSpace/long @

The sendmail email fails. gitlab uses sendmail to send emails internally. Sometimes the gitlab logs have sent emails, but some users cannot receive emails. later, I checked the system log and found that the smtp server rejected the request through a

Common conditions in linux Shell:-B file: if the file exists and is a special block file, it is true-c file. If the file exists and is a special character file, true-d file if the file exists and is a directory, true-e file if the file exists,

How to restore the linux environment variable ubuntu root users can not use the command problem analysis and solution: this is mainly a PATH problem, first check the $ PATH variable settings. The format of echo $ PATH is xxx: xxx, which should not

Window linux NOTICE # grub. conf generated by anaconda # Note that you do not have to rerun grub after making changes to this file # NOTICE: You do not have a/boot partition. this means that # all kernel and initrd paths are relative to/, eg. # root

In CentOS, configure the Super Terminal minicom. First, check whether the system has installed minicom. You can run the command: rpm-qa | grep minicom to find it. If yes, the installed software name and version number will be printed. If not,

Vbox Ubuntu and windows host file sharing 1. install the client enhancement function, Devices-> addition 2. restart 3. create a folder on the client system Ubuntu, such as/media/code. This is the Mount point of the shared folder. select the shared

E: Encountered a section with no Package: header, E: problem withMergeList/var/lib/apt/lists/****** solves the following error message when installing software on Ubuntu recently: E: Encountered a section with no Package: header, e: problem

Linux commands for processing text content recently learned some commands for processing text content. I will summarize them today for future review! The following command only lists some common parameters. the uniq command can delete duplicate

An error occurred while installing linux jdk :. /install. sfx. XXX: not found system environment: ubuntu 11 (64-bit), 32-bit jdk-6u43-linux-i586.bin during installation will see the above error ,. /install. sfx. XXX: not found sudo.

I used live CD to fix grub in ubuntu. Use Ubuntu to install CD, that is, to start Live CD from the optical drive. Open a terminal window and enter the following command in it: sudo-I (obtain super user permissions) mount/dev/sda7/mnt (that is, the

Ubuntu 11.10 manual download and installation of jdk6 (available for test) recently due to development needs, to install jdk6 on ubuntu 11.10, here to summarize the installation process: Step 1: download JDK 6 from sun's official website. I

Awk replacement matchingAwk replaces text content to learn [root @ localhost test] # cat awk1a 9,100.341b 1,999.001c 5,656.55[Root @ localhost test] # awk '{sub (/1/, "test")} {print "\ n", $1, $2}' awkTesta 9,100.34Testb 1,999.00.Test C

Common commands for linux System Information Retrieval 1. disk information [wang @ localhost desktop] $ du-sh. /mm392K. /mm [wang @ localhost desktop] $ du-ak. /mm376. /mm/boot_nontrust.bin4. /mm/bt. sh0. /mm/check. md54. /mm/rtk8723_bt_config4. /mm/

Start, restart, and stop nginx by sending a signal to the nginx process (see the linux chapter). Step 1: query the nginx master process number ps-ef | grep nginx in the process list to find the master process. Its number is the master process number.

N methods of Kill processes in Linux: first, use ps to view processes. The method is as follows: $ ps-ef ...... Smx 1822 1 0? 00:00:49 gnome-terminalsmx 1823 1822 0? 00:00:00 gnome-pty-helpersmx 1824 1822 0 00:00:02 pts/0 bashsmx 1827 1 4?

Linux top column details linux top press the f key to display the entry options. press p to call up the SWAP column. compared with the process, the SWAP column is actually saved in the file corresponding to the process (rather than in the SWAP

Fedora17 Chinese font beautificationAfter upgrading Fedora 17, you will find that, without changing the default font settings, the font of Firefox's title bar and label bar is changed to a dot matrixTo disable embedding dot matrix in the font of