Linux Server and Workstation Configuration How To

1. Internet gateway on FreeBSD

... transparent proxy http_port 3129 transparent # List of words that are being discovered in the URL cause processing without caching hierarchy_stoplist cgi-bin? # The ACL that cause mismatch with ...

2. vi editor commands

... space) b Moves the cursor to the first character of the previous word B It is used like a command b, except that the words are separated by only space and a new line Sentence positioning ( ...

3. 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 ...

4. 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 ...

5. grep

... only whole words. Description The command grep searches for a template in these files. Typically, the grep command used to search a specified sequence of characters in one or more text files.  ...

6. How To Securing SSH Connection

... example, add the following to /etc/hosts.allow: sshd: 192.168.2.0/255.255.255.0 sshd: 10.0.10.0/255.0.0.0 sshd: 141.32.69.102 Allow only users with keys to connect; no passwords allowed - in sshd_config ...

7. Linux, UNIX User Management Commands

...  Verify the integrity of group files.     grpconv Creates /etc/gshadow from the file /etc/group which converts to shadow passwords.     grpunconv Uses ...

8. apropos

... database (called a database whatis), created by the program /usr/sbin/makewhatis. Whatis database is an index of keywords contained in all the man-page system ... ...

9. Default Port Numbers

... HMMP Indication / DQS # # UNIX specific services # exec 512/tcp biff 512/udp comsat login 513/tcp who 513/udp whod shell 514/tcp cmd # no passwords used syslog 514/udp printer 515/tcp spooler # ...