Linux Server and Workstation Configuration How To

1. IPv6 Configuration on FreeBSD

... lola gw6c: The tunnel type is v6udpv4. # Ifconfig tun1: flags=8051 metric 0 mtu 1280 inet6 2001:5c0:8fff:fffe::c243 --> 2001:5c0:8fff:fffe::c242 prefixlen 128 Opened by PID 873 # Traceroute6 ...

2. IPv6 Configuration on Ubuntu Linux

...  syslog_level=INFO host_type=router prefixlen=64 if_prefix=eth0 <== Local Network card Ok, it seems all set - now you can check: $sudo /etc/init.d/restart tspc $ifconfig eth0   If you ...

3. Internet gateway on FreeBSD

... /usr/src # make buildkernel KERNCONF = ROUTER # make installkernel KERNCONF = ROUTER add in rc.conf following lines: firewall_enable = "YES" firewall_type = "Open" firewall_logging "YES" natd_enable ...

4. vi editor commands

...  Replace the n objects in text to type x (sentence, paragraph) cw Replace the word or the remaining characters in the word with the new text C Replace the remaining characters in the row ...

5. 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 ...

6. ps

... running on the system. The ps command without parameters to generate a list of processes you run. To view a list of all processes running on the system, type ps ax (or ps aux, if you want more information ...

7. ls

... its type. -r sorts the contents in reverse alphabetical order. -s displays next to the names of files to the size (in kilobytes). -t sorts the contents on the timestamp files. -1 Displays a list of file ...

8. How To Enable Root Login on Fedora

This how to shows how to enable root log in on fedora GUI Desktop. Open Terminal from Applications -> System Tools Type su - and then insert root pasword Edit /etc/pam.d/gdm configuration ...

9. kill

... 123 terminates the process with ID 123. To view identifiers processes use the command ps. To view a list of names and number of signals type signal kill -l.  ...

10. find

... finds files with the specified access rights. -size+nK finds files with size more than n kilobytes. -type x finds files of a given type, where x - is one of the following types:          f ...

11. file

Command file file command displays the type of data file based on rules defined in the file /usr/lib/magic (known as the magicfile). Syntax file [options] files Options -c displays formatted in ...

12. df

... about the inode if appropriate organizing drive. -T displays the file system type. -t type displays information only about these types of file systems. -x type eliminates types of file systems from the ...

13. chmod

...  g group - delete w write o others = assign x execute a all s set user ID   To grant read access to all files in directory, type chmod a+r *. For permit the ...

14. chown

... type chown with user name, and then - the names of files. To change the group owner, add the user name after the point of a new group name.  ...

15. chgrp

... -v detailed reports on the changes the group owner. -R recursively changes the group ownership of files in all subdirectories. Description To change the group owner of one or more files, type chgrp ...

16. How to Export, Backup Or Dump A MySQL Database

To export a MySQL database into a dump file, simply type the following command syntax in the shell. mysqldump -u username –ppassword database_name > dump.sql Replace username, password, database_name ...

17. How To Restore and Import MySQL Database

You should upload the dump file to the MySQL server, and type this command to import the databases into the MySQL server. mysql -u username –p password database_name < dump.sql ...

18. How to get Default Port Numbers

To View a port number type in terminal for full list: cat /etc/services for one you need: cat /etc/services | grep (port number or service) View /etc/services file.  ...

19. How to Install Google Chromium on Ubuntu

... still recommend you do this to get rid of the error message, which will occur at the end of each update (and, of course, for the security, too). Start a terminal and type the following command sudo apt-key ...

20. Apache Authentication

... this lines to .htaccess file AuthName "Login to the Private Area" AuthType Basic AuthUserFile /var/www/html//.htpasswd Require user NOTE: Change and for your own  ...