Tutorials by Category
BSD and Unix base system
Linux/Unix for Beginner, list of commands with description
When you first login, your current working directory is your home directory. Your home directory has the same name as your user-name, for example, ee91ab, and it is where your personal files and subdirectories are saved.
UNIX is an operating system which was first developed in the 1960s, and has been under constant development ever since. By operating system, we mean the suite of programs which make the computer work. It is a stable, multi-user, multi-tasking system for servers, desktops and laptops.
Linux and Unix: Rsync Resume Partially Downloaded Files
I know wget command can resume downloads. H>ow do I resume partially transferred files using rsync command line under Unix like operating systems?
FreeBSD + PostgreSQL: tuning the database server
Perhaps my article will not interest hardened sysadmin and copy-paste seems. But I address it to those who, like me, just being a developer, for the first time found it necessary to administer the server and more, while solving the problems of heavily database.
Setup NFS File Server On Linux
How do I setup NFS distributed file system access server under CentOS / RHEL v5.x for sharing files with UNIX and Linux workstations? How to export a directory with NFSv4? How to mount a directory with NFSv4?
How To Empty Directory in Linux/Unix??
How do I empty a directory (delete all files) under Linux / Unix without deleting directory itself?
FreeBSD Jail Access Private Network Via NAT and PF
NAT is the answer to your problem. You can use BSD PF or FreeBSD firewall to setup NAT. Route all private traffic using NAT to LAN.
Jail Append Multiple IPv4 / IPv6 Address in FreeBSD
FreeBSD jail Multi-IPv4/v6/no-IP support and merged to stable version. It is necessary to rebuild the kernel including jls (8) and use the new features jail (8), jexec (8) and cpuset (1) with a new kernel. Another option is to install FreeBSD 7.2 (RC1 or higher) with cvsup, just make buildworld.
Upgrade FreeBSD Jail ( OS Level Virtualization ) - How to?
The FreeBSD jail mechanism is an application operating system level virtualization that allows administrators to partition a FreeBSD-based computer system into several independent mini-systems called jails. FreeBSD jails offer security, ease of delegation and OS-level virtualization. To update the jail make the world use the following commands.
FreeBSD 7.2 To FreeBSD 8 Using csup Upgrade - How to?
csup is a general-purpose network file updating package. It is extremely fast program. Make sure you backup all data, MySQL / PGSQL database, and configuration file before attempting upgrade procedure.