Linux Server and Workstation Configuration How To

1. Transferring a FreeBSD on new hard drive

... Size /dev/ad1s1a may be greater than /dev/ad0s1a. Create a temporary folder and subfolders: mkdir /backup mkdir /backup/root mkdir /backup/usr mkdir /backup/var mkdir /backup/tmp Boot ...

2. Internet gateway on FreeBSD

... the configuration: now we have the standard port and transparent proxy; accepting requests http, https ftp, icq. next create and fill the content of all files listed in this config, then making the user ...

3. Repository with the latest virtualisation for Fedora 12

... 13. To connect the repository create the file /etc/yum.repos.d/virt-preview.repo with contains: [virt-preview] name=Virtualization Rawhide for Fedora 13 baseurl=http://jforbes.fedorapeople.org/virt-preview/f13/$basearch/ ...

4. touch

... When you enter touch without options as timestamp file using current date and time. If the specified file does not There, touch creates a new file size 0 bytes.  ...

5. 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 ...

6. mv

Command mv Renames files and directories or move them from one directory to another. Syntax mv [options] source destination Options -b creates backup copies of files that are moved or renamed. ...

7. mkdir

Command mkdir Creates a directory. Syntax mkdir [options] directory_names Options -m access appoints new directory specified access rights. -p creates parent directories if they do not exist. ...

8. ln

Command ln Sets hard or symbolic links (aliases) for files and directories. Syntax ln [options] existing_file new_name Options -b backs up files before deleting them. -d creates a hard link to ...

9. How To Enable Root Login on Fedora

... file (first create backup of config file). Type gedit /etc/pam.d/gdm or vi /etc/pam.d/gdm Put # before auth required pam_succeed_if.so user != root quiet line, after that file shuold look ...

10. cp

... file. -b creates a backup copy before copying the file. -d copy the link, but not the file pointed to by this reference. -i asks for confirmation before overwriting files. -l creates hard links instead ...

11. How to Backup Only Data of a MySQL Database

For exporting MySQL database's only the data, use –no-create-info option. The dump will not re-create the database, tables, fields, and other structures when importing. mysqldump -u username -ppassword ...

12. How To Securing SSH Connection

This how to helps you to create secure connection via ssh between your unix and linux systems. All examples written for RedHat based systems. Also we assume that you already have installed openssh server ...

13. Cron Manual

... -u root /var/spool/cron/root Example of cron file # Cron example file /var/spool/cron/root # (Created for Boot1935) SHELL=/bin/bash MAILTO=root # 1-12 hours * 0,1,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23 ...

14. Files, Folders Management

... file(s) # rm *.txt # rm lala.txt Create text file # touch /tmp/myfile Show current path # pwd Show full path of application # which php # which ffmpeg # which httpd Copy file cp /root/install.log ...

15. Apache Authentication

Creating Password Create htpasswd file for current (pwd) path # htpasswd -mc .htpasswd yourusername Insert new password Create .htaccess file for current path # touch .htaccess # mcedit .htaccess Paste ...

16. How to Compile Kernel (CentOS 2.6.19)

... -ivh --nodeps kernel-2.6.19default-1.i386.rpm Now install the new kernel, and create ramdisk: # echo "DMRAID=no" > /etc/sysconfig/mkinitrd/noraid # chmod 755 /etc/sysconfig/mkinitrd/noraid # mkinitrd ...

17. Swap Management

Get swap # mcedit /proc/swaps # swapon -s Gem all memory (swap, RAM) # /proc/meminfo Show logical volums # mcedit /etc/fstab Create Swap File Create swap file 1 GB # dd if=/dev/zero of=/swapfile ...

18. Midnight Commander (MC)

Create New File - Shift-F4 Save File as - F12 Hide Panels (Show Console) - CTRL+O Search File - Ctrl-S  ...

19. 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 ...

20. Linux, UNIX User Management Commands

...  See what users are running on a system.     g passwd Administer the /etc/group file.     groupadd Create a new group.     grpck ...