Linux Server and Workstation Configuration How To

1. How to mount iso-image of the CD drive in FreeBSD

Tags: [How to, mount, iso-image, FreeBSD]  ...

2. How To Securing SSH Connection

Tags: [how to, linux, unix, network, secure, SSH, connection]  ...

3. How To rename network interface in Linux

/sbin/ifconfig ppp1 down /sbin/ip link set ppp1 name my_ppp /sbin/ifconfig my_ppp up

4. How to mount iso-image of the CD drive in FreeBSD

In /boot/loader.conf add vn_load = "YES" or load by the hands kldload vn.ko mount: vnconfig /dev/vn0c /home/user/cdrom.iso mount -t cd9660 /dev/vn0c /mnt unmount: umount /mnt ...

5. How to boot into single user mode (single mode)

FreeBSD: boot -s Solaris: stop+a bo: boot -s Linux: left-alt for lilo boot: linux -b rw sushell=/sbin/sash single (init=/bin/sh) UnixWare: During the boot pres space [boot] INITSTATE=s ...

6. How to connect USB Flash drive in FreeBSD

man umass Kernel configuration (FreeBSD 4.8 can not recompile): device usb device ohci (OR device uhci) device umass device scbus device da device pass In the log look for a message "da0 at umass-sim0 ...

7. whatis

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 ...

8. 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 ...

9. uptime

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, ...

10. uname

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 ...

11. unalias

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 ...

12. touch

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 ...

13. 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 ...

14. 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 ...

15. 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 ...

16. rmdir

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 ...

17. 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 ...

18. 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.

19. pstree

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 ...

20. 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 ...