Linux

ObjectiveThe second part mainly involves the closing of redundant service, the security policy of user account, the optimization of kernel network parameters and so on."Modify the system default account password Policy"This is done by editing the

The default man pages has only one color, and some text is bold. Just execute the following command. Cat >/ETC/BASHRCMan () {ENV \less_termcap_mb=$ (printf "\e[1;31m") \less_termcap_md=$ (printf "\e[1;31m") \less_termcap_me=$

"Disclaimer: Copyright, welcome reprint, please do not use for commercial purposes. Contact mailbox: feixiaoxing @163.com "In the beginning of the graduate students, they see kernel time is not short. Although the code read a lot, the principle of

CTRL + A Switch to command line start (Home) Ctrl+e Switch to the end of the command line (end) Ctrl+l Clear Screen Contents àclear Ctrl+u Clear the content before the cut cursor

Startup profile/etc/inittab, after modifying the configuration file, init Q takes effect immediately # Default runlevel. The runlevels used by RHS are:# 0 - Halt (do N OT set Initdefault to this) # 1 - single user mode# 2 -multiuser, without

Beginner Linux, you need to understand the Linux standard directory structure first/ Root---Some of the core files used when starting Linux. such as operating system kernel , boot program grub and so on. Home---Store personal files for

A first delete the system, SendMail#yum Remove Sendmail-yB   cd /opt/   ll   wget http://sourceforge.net/projects /heirloom/files/latest/download?source=files   ll   du -sh  Mailx-12.4.tar.bz2    tar jxvf mailx-12.4.tar.bz2    cd  mailx-12.4   make  

Custom InstallationCustom installation, also known as source installation, you need to compile the source code installation methodSteps: 1. Extract the source code package 2, configuration configure 3. Compile make 4. Installing make InstallNext

1. Current Memory usage2. Current CPU Usage[email protected] ~]$ Top3. Current Drive Usage Status[Email protected] ~]$ DF-LH4. Query disk usage space for a file or folderIf you have a lot of files and folders under the current directory, you can

Linux uses the terminal, sometimes need to find a word, you need to open a browser to find words through the web page, so efficiency will be very cumbersome, and will also reduce productivity.When I first started looking at a Python document, I read

In the server we often need to automatically let the program automatically for data backup, program backup, execution of a process and so on, the Linux server is generally used crontab implementation, and Windows uses a scheduled task implementation,

1. Connect using puttyPutty http://www.putty.org/2. Connect via VNCVnc_viewer http://www.realvnc.com/download/viewer/Rpm-q Tigervnc-server//Check whether the installationFind/-name ' *vnc-server* '//Lookup VncserverYum Install Tigervnc

Http://www.tektea.com/archives/1969.html.In Enterprise and telecom Linux Server environment, network configuration will use bonding technology to do network port hardware level redundancy, prevent single point of failure of individual network port

1. FindFind is the most common and powerful look-up command you can use to find any file you're looking for.Find uses the following format:$ find ---If no parameters are added, find searches the current directory and its subdirectories by default,

When I changed something yesterday, I accidentally deleted some of the configuration files under root. Led to start the terminal after the word completely a color, no distinction. I found it all on the Internet.Change the overall color. But in fact,

WHOAMI-----finding out.Who---------Listing.W----------Listing and what they is doing.Last--------Listing If a user last logged onThe last tools gets the IT data from the system file "/var/log/wtmp"Some others commandPS------to list processes on the

/root/automation/bin/2.0/wecb/wifi_wpa_config.sh-s ${U_WIRELESS_2G_SSID1}-B ${u_wireless_2g_bssid1}-t ${U_ WIRELESS_PROTO_WPA}-M ${U_WIRELESS_KEY_MGMT_WPA}-W ${wireless_pairwise_aes}-G ${u_wireless_group_aes}-P ${U_ WIRELESS_CUSTOM_WPAPSK}-F

View the size of the current directoryDu-sh.View the size of all files or directories in the current directoryDu-sh *Display the top 10 most space-occupying directoriesDu-s * | Sort-nr | HeadDisplays the top 10 most space-occupying files, using

Usage of mount and umount in linux, linuxmountumount Common partition loading methods in linux: Mount the mounted iso file:# Mkdir/mnt/iso1# Mount-o loop linuxsetup. iso/mnt/iso1 In linux, you can directly read the iso file without a virtual Optical

Ubuntu14.04 install eclipse and ubuntu14.04eclipse Download the compressed package from the eclipse Official Website : Http://www.eclipse.org/downloads/ Decompress to/usr/local Sudo tarxzvf