When you use email client (ThunderBird, Outlook, Outlook express) or any special app to connect to google mail imap or pop3 service you may run into one of these error messages:
- [WEBALERT http://something-secret-url] Web login required.
- NO failed: Re-Authentication Failure
These are tipical problem when you do not use Weblogin (https://gmail.com) on from the same IP.
Here is the solution:
We have already learned how to convert jpeg files to pdf on Linux. Now I am going to show you how you can convert .3ga or .3gp audio files to mp3 or ogg. Of course I use Ubuntu.
If you type in Google that "3gp to mp3 linux" thing, you found the ffmpeg command. That's OK. But somehow I cannot make this ffmpeg wokr on my Ubuntu. So I found another way to converting 3gp to mp3.
Gnac is an audio file converter application. You can install with
I bought SSD drive to my laptop, so I decided to minimize write I/O on my system. The less writing is a good idea even you have a HDD. Your system become faster in this way.
There are some good starting point:
I had a real Linux server system that I need to convert into virtual server, because I wanted to sell my old hardware, but I needed the system as backup. This backup is able to run as virtual server. This is a very useful backup method. This tutorial show you how you can convert your whole system into virtualbox system. Virtualbox is a free opensource virtual computer solution from Oracle.
1. Backup your system disk
If you can, put your system disk to another computer. But if you can't do it you can do it the original system.
This code cause logout feeling for your user. The browser will ask again the username and password.
header('WWW-Authenticate: Basic realm="protected area"');
header('HTTP/1.0 401 Unauthorized');
I use it with a logout controller, that set a session variable to true and redirect the request to the home page. And the home page check this session variable, and if it true, it sends these headers and set back the session variable to null.
Check active scsi devices:
[1:0:1:0] disk ATA SAMSUNG HD103SJ 1AJ1 /dev/sda
[2:0:0:0] disk ATA SAMSUNG HD103SJ 1AJ1 /dev/sdb
[3:0:0:0] cd/dvd HL-DT-ST DVDRAM GH22NS90 HN00 /dev/sr0
[5:0:0:0] disk Generic STORAGE DEVICE 9451 /dev/sdd
[6:0:0:0] disk GT-I5700 - Card /dev/sdc
Now refresh SCSI devices. Use this command to refresh host0 (or host1, host2, host3):
ubuntu@ubuntu:~$ echo "- - -" | sudo tee -a /sys/class/scsi_host/host0/scan
Check the result:
I want to see the intranet website from home with my linux laptop. I can connect over SSH to the intranet web server. But I want to see the webpage in a browser of my laptop.
The solution is SSH port forwarding. From my Linux laptop. Here is the syntax:
ssh -L <myPortNumber>:<RemoteIP>:<RemotePort> <host> [other ssh options like port and user]
I used this:
ssh -L 8088:127.0.0.1:80 intranetserver.example.com
Now I can click to http://localhost:8088/ on my favorite browser and I can browse the intranet.
I would like to choose an ideal CRM for a client. It must be open source. But I don't know CRM systems. I'm starting discover world of CRM systems by this post.
Awesome design and user interface
Fast ajax and Yii in use
You can configure data structures (contact, company, task, meeting). You can extend anything with custom fields.
Very young CRM with actually smaller community than other CRMs
Some feature is missing: E-mail marketing, Google Calendar integration, etc.