Linux Server and Workstation Configuration How To

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So, it's time to make the IPv4-IPv6 gateway, to walk in "another Internet", to whom he will soon. GO and register at http://go6.net/4105/register.asp The kernel supports IPv6, ie it built with options ...
... usr/src/sys/amd64/conf GENERIC ROUTER editing our new kernel and adding new features: cpu HAMMER ident ROUTER makeoptions DEBUG=- G # Build kernel with gdb (1) debug symbols options IPFIREWALL # ...
... vi :w filename<CR> Write buffer to new file "filename" :q<CR> Exit from vi :q!<CR> Quit vi without recording buffer to a file Special options of vi ...
... home/nfs nfs ro 0 0 or manually: /sbin/mount_nfs -r 32768 -w 32768 -i noatime 192.168.1.1: /usr/local/nfs/ home/nfs To optimize performance, is recommended for mounting with Linux to specify options: ...
In the kernel configuration add: options IPFIREWALL # firewall options IPFIREWALL_VERBOSE # enable logging to syslogd (8) options IPFIREWALL_DEFAULT_TO_ACCEPT # allow everything by default options ...
Command whatis Searches for whole words in the database whatis (see command apropos). Syntax whatis keyword Options no Description whatis command displays the result of search whole words ...
7. wc
Command wc Displays the number of bytes, words and lines found in the file. Syntax wc [options] [files] Options -c displays only the number of bytes. -w only shows the number of words. -l ...
Command uptime Displays the time of continuous operation of the system. Syntax uptime Options no Description uptime utility displays the current time, time of continuous operation of the system, ...
Command uname Displays system information, such as the type of machine and operating system. Syntax uname [options] Options -a displays all the information. -m displays the type of equipment ...
Command unalias Eliminates the abbreviation as defined previously by using the alias. Syntax unalias abbreviation Options no Description command unalias removes the abbreviation as defined ...
Command touch Changes the timestamp of file. Syntax touch [options] files Options -c prescribes not to touch the file if it does not exist. -d time, using the specified time. -r file uses a timestamp ...
12. top
Command top Displays a list of currently executing processes, ordered by the percentage use of CPU time. Syntax top [q] [d interval] Options q requires top performance with the highest possible ...
13. tar
Command tar Creates archive files or extract files from archives. Syntax tar [options] file_or_directory Options -c creates a new archive. -d compares the files from the archive files from the ...
14. tail
Command tail Displays the last few lines of the file. Syntax tail [options] file Options -N (where N - number) displays the last N lines. -n N (where N - number) displays the last N lines. -f ...
Command rmdir Deletes the specified directory (if it is empty). Syntax rmdir [options] directory Options -p remove all parent directories which become empty. Description The command rmdir ...
16. rm
Command rm Removes one or more files. Syntax rm [options] files Options -f deletes files without asking. -i asks for confirmation before deleting files. -r recursively deletes files in all subdirectories ...
17. pwd
Command pwd Prints the current working directory. Syntax pwd Options No Description The command pwd prints the current working directory. It is a built-in command of Bash.  ...
Command pstree Displays all running processes in a tree. Syntax pstree [options] [process_id] Options -a displays the command line arguments. -c does not compress the subtrees. -l displays a long ...
19. ps
Command ps Displays the status of processes (programs) running in the system. Syntax ps [options] Options Note that unlike other commands ps command options do not have a prefix "-". a display ...
Command passwd Changes the password. Syntax passwd [username] Options No Description The passwd command changes your password. It asks for old password, and then the new password. If you are ...
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Thanks David Ayvazyan for provided useful information and discussions.
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