Likewise, the shell can be found out by using the ps command, though the ps command is used to display the PIDs of all the running processes: $ps To specifically find the shell you are using with the help of the ps command, execute the following command with the flag “-p” which is...
In CAT command, there is a term which is known as EOF. EOF means the end of the file. EOF indicates that the file that is read, created, or concentrated by the CAT command has ended. The cat<<eof uses “here-document”. A here-document is a code block in Linux. It passes a fo...
What is the Bash Null Command? What are the differences between the colon and true builtin commands? Pitfalls To Avoid The Bash Null Command will Expand Arguments The Bash Null Command will buffer any command output Practical Use Cases Use the Bash null command to truncate a file Use the Bas...
Grep is a command line utility in Unix and Linux systems. It is used for finding a search patterns in the content of a given file. With its unusual name, you may have guessed that grep is an acronym. This is at least partially true, but it depends on who you ask. According to repu...
Linux Vulnerability Fixing Failure Causes and Solutions NOTICE: The kernel vulnerabilities on CCE, MRS, and BMS servers cannot be fixed. Fixing them may make some functions unavailable. After the kernel vulnerability is fixed, you need to restart the server. If you do not restart the server, th...
Use a remote management tool, such as SecureFX or WinSCP, to log in to the server. Run the following command to check the private DNS address of the server: cat /etc/resolv.conf Make a note of the DNS address and region of the server and check whether they are correct. For details...
The pipe operator directs the output of the preceding command as input to the succeeding command. It is most commonly used to filter data with the grep command. cattest| grep -i"makeuseof" This command sends the output ofthe cat commandas input to the grep command, which then filters the...
Short for “disk free”, df is a command used to display the free disk space in Linux and other similar operating systems. It is also used to understand and ascertain the file systems that are mounted. Now, you may have noticed that I mentioned that this command can be used to define ...
Run the following command to view the /var/log/ascend_seclog/ascend_install.log file and determine the service processes that are not stopped and the nodes where the processes are located: cat /var/log/ascend_seclog/ascend_install.log The command output is as follows: [Driver] [2022-03-...
Run the following command to view the /var/log/ascend_seclog/ascend_install.log file: cat /var/log/ascend_seclog/ascend_rebuild.log The command output is as follows: /usr/src/linux-4.12.14-120/scripts/gcc-version.sh: fork: retry:...