all linux commands

People who have used the Linux system know that the Linux system view user is not the same as Windows, the right mouse button to see my Computer properties, and then look at the computer users and groups. So what do you do when looking at all the users in the Linux operating system? With the command. In fact, it is eas

Examples are as follows:The third command is to replace all "Arm-none-linux-gnueabi" in the code in the current directory with "Arm-linux"Sed-i ' s/arm-none-linux-gnueabi-g++/arm-linux-g++\-o2\-i\$\ (inc\) \-i\$\ (incsys\) \-static/g ' grep arm-none-

People who have used the Linux system know that the Linux system view user is not the same as Windows, the right mouse button to see my Computer properties, and then look at the computer users and groups. So what do you do when looking at all the users in the Linux operating system? With the command. In fact, it is eas

matching rows-I ignores case-Q Silence-a n Displays the keyword and its next n rows-B n Displays the keyword and its top n rows-c n Displays the keyword and its top and bottom n rows-E: Implementing a logical or relationship between multiple options-W: Matches entire word-E or egrep using the extended regular-F or Fgrep do not use regularSed-I change the original file-i.bak back up the original file to. bak before you change it-N Do not print-E Multi-mode-f Sed.txt Specifying scripts files-R Sp

Execute shell commands in the program to automatically obtain all online IP addresses and open ports in the LAN (Linux)Preface The question is a bit long. It is actually the following: first, let the Shell command be executed in the program, and then pass the execution result to the variable, so that subsequent transactions can be processed, the second is to use

In a linux system, you can view the commands of all services in a linux system, you can choose to start or stop services, such as ftp, ssh, and telnet, but I forgot what the command is called. Remember that it was sysconfig, however, this command is not available in the system. This command is "chkconfig -- list". The

Linux Displays all updatable software inventory commands[emailprotected]:~$ yum check-update program "Yum" has not been installed.) You can use the following command to install: sudo apt-get install yum[emailprotected]:~$ sudo apt-get install Yum[sudo] password for youhaidong: Reading Take a list of packages ... Completing the dependency tree that is analyzing th

In linux, after an error occurs in modifying the profile file, all commands cannot be used. How can this problem be solved ?, LinuxprofileScenario Today, we installed linux for the second time, and there were more new ones. I was supposed to configure the java environment variable in/etc/profile. I got it wrong: ente

View all configuration commands for Linux systems1. Check the serial number of the motherboard:Dmidecode | Grep-i ' Serial number '2. View CPU Information:Cat/proc/cpuinfoDMESG | Grep-i ' CPU 'DMIDECODE-T processor3. View memory Information:Cat/proc/meminfoFree-mVmstat5. Check the network card information:DMESG | Grep-i ' ETH 'cat/etc/sysconfig/hwconf | Grep-i '

View all CPU load commands in LINUX $ vmstatprocs ----------- memory ---------- --- swap -- ----- io ---- system -- ----- cpu ------ r B swpd free buff cache si so bi bo in cs us sy id wa st 1 4 329796 26040 4528 3379824 1 1 50 160 36 17 2 10 85 3 0 procsr column indicates the number of processes running and waiting for the cpu time slice, if the cpu usage exceed

in a file, separated by a domain delimiter, is called a domain. In general, the default field delimiter is a space without naming the-F domain delimiter. The 2.shell script inserts all of the awk commands into a file and makes the awk program executable, and then the awk command interpreter is invoked as the first line of the script, again by typing the script name. Equivalent to the first line of the shel

, after specifying this parameter the I parameter will no longer work. -R instructs the MV to move all directories and subdirectories listed in the parameter recursively. A second parameter When the second parameter type is a file, the MV command completes the file rename, which renames the given source file or directory to the specified destination file name. When the second parameter is a directory name that already exists, the sou

Problem Description: Due to my misoperation, the Red Hat Linux environment variables have changed, if the general environment variables have changed can be found on the Internet many solutions, but the hero is on the Linux system to cover the environment variables, such as650) this.width=650; "Src=" https://s2.51cto.com/wyfs02/M02/8E/0A/wKiom1iz4cCCGs-mAAAhWYGXEpM676.png-wh_500x0-wm_ 3-wmp_4-s_755218499.png

?xx:xx:xxNginx:worker processnobody13613 19402 0Aug06?xx:xx:xxNginx:worker processnobody13614 19402 0Aug06?xx:xx:xxNginx:worker processnobody13615 19402 0Aug06?xx:xx: onNginx:worker processnobody13616 19402 0Aug06?xx:xx: onNginx:worker Processroot16487 16097 0 the:xxpts/1 xx:xx:xxgrep nginxroot19402 1 0May05?xx:xx:xxNginx:master Process Nginx the:xx[]$ Pmap19402|head-nTen19402: Nginx:master process Nginx00000000004000001112K r-x--/opt/nginx/sbin/Nginx000000000071600068K RW---/opt/nginx/sbin/Ngi

Groups viewing the members of the currently logged on user groupGroups Gliethttp View the group that the Gliethttp user is in, and the members in the groupWHOAMI View the currently logged in user nameInformation about groups within the system is placed in the/etc/group file, and the user's information is placed in the/etc/passwd file. Now I want to see all the users in a group named "Plants". First, you know the ID of the group, the GID. Use the comma

People who have used the Linux system know that the Linux system view user is not the same as Windows, the right mouse button to see my Computer properties, and then look at the computer users and groups. So what do you do when looking at all the users in the Linux operating system? With the command. In fact, it is eas