Google Gmail Vulnerability

Kemaren saya membaca berita yang cukup mengejutkan dari RSS Feed-nya Lifehacker tentang lubang keamanan pada aplikasi web gmail kepunyaan g...Read more »

Aplikasi Portable untuk OS Windows

Trend aplikasi portable dimulai ketika Sandisk meluncurkan produk flashdisk U3 . Pada flash disk ini kita dapat menginstall aplikasi yang da...Read more »

Menggunakan 2 koneksi internet secara bersamaan di Windows XP

Koneksi internet melalui LAN pada PC seringkali harus diputuskan sementara ketika hendak menggunakan koneksi internet melalui modem. Sebenar...Read more »

Centrin - XL

Setelah sekian lama mendambakan memiliki koneksi internet unlimited, akhirnya sekarang gw dapat juga merasakan mengakses internet tanpa bata...Read more »

Part 1: How to work with Access Control Lists from the Command Line

The basic Linux permission model lets you specify permissions for the file's owner and group, and all others. This article assumes that ...Read more »

How to Change Mount Options at Runtime

File systems need to be mounted on Linux before you can access the data on them. You can specify mount options such as whether the file syst...Read more »

How To Mount USB flash drive from Command Line

Mounting a USB flash drive in GNOME (or another Linux desktop environment) is as easy as plug and play. Yet, occasionally, you need to moun...Read more »

Converting phpBB2 to phpBB3

phpBB is my favorite bulletin board system. After 4 years running on phpBB2, I tried to convert my board to phpBB3 RC7 (this is the latest ...Read more »

Use of --parents flag in mkdir and cp

Occasionally, you want to create a directory structure several levels deep. For example, /home/peter/status/2007/november. Your first attemp...Read more »

sudo hacks: making cd and redirection work

Suppose you want to run a command that requires root privileges. Conventional wisdom says don't login as root. Instead, login as a non...Read more »

How to Look Up a Process

You can look up a process in many ways. Often, you have the name of a daemon, command, or a program, and you want to know its process ID. ...Read more »

apt-get: dynamic MMAP out of room

Recently after upgrading wine and a few other packages, apt-get threw errors like these: Reading package lists... Error! E: Dynamic MMap ran...Read more »

How to Scroll the Command Window

How many times have you been annoyed by the command output spanning over the length of the window? If the window is in the X-Window environ...Read more »

Get into the right groups

In Linux, belonging to the right group gives you permission to use restricted-access resources. When you create a new user, by default, $ u...Read more »

Tail multiple files

In an earlier post , I discussed 2 commands for continuously displaying the contents of a file: tail -f and less. I mentioned that with le...Read more »

Keeping Command History across Multiple Sessions

The bash shell maintains a history of the commands you entered. You can re-execute a command by recalling it from the history, without havi...Read more »

RSS Reader ku saat ini

Setelah hampir setahun menggunakan layanan Google Reader sebagai RSS reader dari situs-situs favorit saya, mulai kemaren saya menggantinya ...Read more »

Log watching using tail or less

Log files typically grow in size, with the latest contents appended to the end of the log. I often need to watch a log file in live action,...Read more »

grep with color output

grep is capable of color-highlighting the matched string in its output. But, by default, that option is turned off. $ grep abc a_file.txt ab...Read more »

fail2ban - Yet another tool to protect your server

What is Fail2ban ? Fail2ban scans log files like /var/log/auth.log or /var/log/apache/error_log and bans IP that makes too many passwor...Read more »

The find / xargs Linux command-pipe

My task at hand is to delete all backup files ("*~") located anywhere in my home directory hierarchy. $ find /home/peter -name *~...Read more »

Crunch numbers

You can crunch numbers on the command line using the command "bc". Instead of firing up a GUI-based calculator application, you ...Read more »

Shred it!

Have a top-secret file that you want to delete? A file that you don't want to recover by you or anyone else? Use the shred command: #...Read more »

Dictionary Lookup via Command Line

#curl dict://dict.org/d:YourWord To help you remember, d: stands for DEFINE. For example, to look up the word "bash", (all output...Read more »

Recalling command history

The bash shell has a command history. You can repeat a command which you executed before by specifying the command number, e.g., !398 to...Read more »

You can always have the Last Word In ..

!$ is a handy shorthand for the last word in the previous command. At first, it may not seem that useful. But wait, ... cd somedir cp some_...Read more »

More context with less

less is a text file viewer. By default, it will print out one screenful of file contents at a time, and wait for you to tell it what to do ...Read more »

Command Line editing: emacs or vi shortcuts

You can edit your command line using emacs style shortcuts. For example, to go to the beginning of the command line, enter Control-a via ke...Read more »

My #1 beloved tool: emacs

It is fitting that my first post is about the tool I love the most: GNU emacs. It is the text editor, plus a lot more. Normally, when you ...Read more »

apt-get remove Fedora; apt-get install Debian

After giving a thought about possibility of converting my Fedora box to Debian,yesterday morning, with DVD I got from LFY, I gave it a try. ...Read more »

Compiz on Slackware

I installed Slackware 12.0 on an old laptop (P3 , 256 MB RAM). This laptop has no CDROM and No Floppy drive. I installed it using PXEBOOT i...Read more »

KSalup - Winpopup for Linux

Searching popup messaging application for Linux is not hard. Kopete has the feature but the default installation fails in receiving message....Read more »

Restoring grub

Recently, I installed RHEL first with 3 partitions(/, /boot and /home) and I also created one FAT partition for installing Windows XP. After...Read more »

Perjalanan mudik tahun ini

Kemaren akhirnya saya mendapatkan tiket untuk mudik lebaran tahun ini. Harga tiket pesawat untuk tanggal 12 oktober dan 17 oktober telah mel...Read more »

RPM hung on me

Couple of days ago, I killed yumex because it hung. Afterthat, everything hung. I couldn't run rpm or yum in command line. I tried rebui...Read more »

Upgrading to latest clamav for impatient sysadmin :)

I've just upgraded clamav to the latest (at the time of writing is version 0.91.1) for my firewall (Mandrake 10.1). For impatient sysadm...Read more »

Taksi di Bandung

Semenjak saya tinggal di Bandung dari tahun 2000 yang lalu, taksi di Bandung telah terkenal dengan argo kuda-nya. Saya menaiki taksi hanya u...Read more »

Writing a blog entry has never been easier

This blog entry was created using Gnome Blog. Without going to blogger.com, I can now write an entry by just opening this application. It...Read more »

dbmail 2.2.6-rc1 released

I have just upgraded my dbmail to dbmail 2.2.6-rc1. Announcement : http://www.gossamer-threads.com/lists/dbmail/users/22531 Changelog : ht...Read more »