Common Linux commands-permission management commands chmod
Command name: chmodCommand: change the permissions mode of a fileCommand path:/bin/chmodSyntax: chmod [{ugoa} {+-=}{ rwx}] [file or directory][Mode = 777] [file or directory]-R recursive
Command name: chmodCommand English Original: Change the permissions mode of a fileCommand path:/bin/chmodSyntax: chmod "{ugoa}{+-=}{rwx}" "File or directory""mode = 777" "File or directory"-R Recursive modificationFunction Description: Change the
Transferred from: 82347473
1. CPU 100%, use top to view CPU
2. Delete the CPU or 100% of the process.
3. It is estimated that the process is hidden.
4. One execution task is added to the scheduled task.
5: Open the connection
Install Oracle 10g RAC on VMware Server 2.0.2, no error is reported at all for www.2cto.com IP planning 192.168.8.241194258.242192.168.8.248192.168.8.249 rac1-> export LANG = en_US.UTF-8 vi/etc/sysconfig/network-scripts/ifcfg-eth0vi [root @ rac2 ~] #
Basis
Learn the basics of Bash. Specifically, enter man bash and browse at least the full text; it's simple and not long. Other shells may work well, but Bash is powerful and available in almost all cases (learning Zsh,fish or other shells is
Actual user ID, valid user ID, and set user ID
These concepts are often encountered when reading Unix-related books, but these concepts have not been properly clarified, so that they have been completely understood. I have made a distinction
Linux file and directory permissions are mainly controlled by the standard Linux file permissions and Control access list (ACL) two blocks. In general, standard file permissions have met most of our needs, but one of the limitations of this is that
For details about SUID and SGID in Linux, if you are still confused about SUID and SGID, please refer to them! Users often encounter SUID and SGID concepts in UNIX, and SUID and SGID are related to system security, so users are also concerned about
Learn Linux_07_Linux file permissions from scratch
Command name
Purpose
Command example
Groupadd
Add Group
Groupadd g_studyGroupadd-g 777 mygroup-The g parameter specifies the gid directly.
Gpasswd
Manage
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