Archive for the 'FreeBSD' Category
- lftp to accelerate ftp / http download speed under Linux and UNIX
lftp is a file transfer program that allows sophisticated ftp, http and other connections to other hosts. If site is specified then lftp will connect to that site otherwise a connection has to be established with the open command. This is an essential tool for all a Linux admin. I’ve [...]
- FreeBSD Update Software and Apply Security Patches
Updating FreeBSD server system is quite easy. You can apply security patch to keep freebsd system up to date.
Required tools aka software
You need to have following tools on system
(a) portmanager - FreeBSD ultimate ports update utility.
(b) portsnap - It is a system for securely distributing the FreeBSD ports tree. Approximately once an hour, a snapshot [...] - Linux / UNIX: display time of different time zones using TZ environment variable
Let us say you need to display time for different zones or cities. Sure you can use The World Clock - Time Zones located here. If you need a different time zone at a shell prompt or script use old good date command.
Different timezones can be displayed by changing the TZ environment variable.
TZ [...] - Shred tip: Securely remove multiple files so no one can recover file again
Shred utility overwrites a file to hide its contents, and optionally delete it if needed. The idea is pretty simple as it overwrites the specified FILE(s) repeatedly, in order to make it harder for even very expensive hardware probing to recover the data. By default file is overwritten 25 times. I’ve seen cases where law [...]
- FreeBSD Install Lighttpd Web Server
I’ve received couple of request about running Lighttpd web server under FreeBSD:
How do I install Lighttpd web server under FreeBSD along with MySQL 5 and PHP5?
lighttpd a secure, fast, compliant and very flexible web-server which has been optimized for high-performance environments. It has a very low memory footprint compared to other webservers and takes care [...] - Shell du command tip - estimate file space usage and exclude particular files
The du command estimate file space usage and summarize disk usage of each FILE, recursively for directories.
It displays the file system block usage for each file argument and for each directory in the file hierarchy rooted in each direc tory argument. If no file is specified it will use current directory.
But why use du [...] - Linux configure point to point tunneling PPTP VPN client for Microsoft PPTP vpn server
With this tip you will be able to work from home using VPN and that too from Linux / FreeBSD system for the proprietary Microsoft Point-to-Point vpn server.
Different organization uses different VPN connection options such as SSL, PPTP or IPSEC. When you need to access corporate network and its services, you need to login using [...] - Howto: Connect MySQL server using C program API under Linux or UNIX
From my mailbag:
How do I write a C program to connect MySQL database server?
MySQL database does support C program API just like PHP or perl.
The C API code is distributed with MySQL. It is included in the mysqlclient library and allows C programs to access a database.
Many of the clients in the MySQL source distribution [...] - What is the difference between password and passphrase under OpenSSH with DSA / RAS public key authentication?
Recently I received an interesting question from one my regular reader:
What is the basic and important difference between password and passphrase when implementing SSH with DSA/RAS public key authentication? Which one is recommended for daily usage?The main and basic difference is that you can use multi string phrase including spaces and tabs using a passphrase [...]
- Freebsd book: For learning and mastering FreeBSD (PDF)
FreeBSD is one of the fastest, secure and widely UNIX-like operating system. Some of the biggest internet sites on earth powered by FreeBSD like Yahoo. I’ve been using FreeBSD in production environments since 1998. People often ask me about FreeBSD books. So the main aim of this post is to document all free resources, books [...]
Viewing 41-50 of 158 posts.
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