Linux Server and Workstation Configuration How To

1. Internet gateway on FreeBSD

... which will open truth proxy acl safe_ports port 80 # http acl safe_ports port 21 # ftp acl safe_ports port 443 # ssl acl icq_ports port 5190 # ICQ # Users who will use internet with some restrictions ...

2. uptime

... the number of users in the system and the average system load over the last 1, 5, and 15 minutes.  ...

3. ps

... processes of other users. f displays a tree of processes. j displays the output using the format jobs. l displays the data in long format, with detailed information about each process. m displays information ...

4. chmod

... execution of the file to all users, type chmod + x filename. Another way to specify permissions is to use sequence CONTRACT PERIOD three octal digits. In a detailed listing of the right to read, ...

5. How To Securing SSH Connection

... and allow Protocol 2 #Protocol 2,1 Protocol 2 Disable root login #PermitRootLogin yes PermitRootLogin no Allow only specific users to login - For example, to allow only the users "john", ”Jack” ...

6. File Server With Samba and FTP in FreeBSD

This manual describes how to create file server, where users from can access their files with samba client and FTP server, (from windows too). In this example there are two users, testa and testu. User ...

7. Linux, UNIX User Management Commands

ac Print statistics about users' connect time.     accton Turn on accounting of processes. To turn it on type "accton /var/log/pacct".     adduser ...

8. Default Port Numbers

... null discard 9/udp sink null systat 11/tcp users daytime 13/tcp daytime 13/udp netstat 15/tcp qotd 17/tcp quote msp 18/tcp # message send protocol msp 18/udp # message send protocol ...

9. Linux, UNIX Directories

...  Configuration files /home Home directories of users, registered in the system /lib Libraries and kernel modules /mnt Mount points of devices (CD ROM, floppy disks, drives on the ...