No. This is not a physical notebook. It is an environment program for programming Ruby, Haskel, Julia, and R. Hehehe I don’t know any of them. But I am learning about python3 now. First of all we need python pip. The pip is like apt-get. I heard somewhere, apt-get will be vanished. Unfortunately with Ubuntu […]
It is interesting that we can manipulate pdf file, especially pdf with many pages. Let’s say I want to extract certain page of it or combine two pdf files. So, here are the list of commands that I used to use in my daily job. #pdftk original.pdf cat 1 3 20-35 50 output final.pdf It […]
Finally I upgrade my laptop celeron HP product with ubuntu 20.04-LTS. Well it was because my python accident last nite xixixixi. So I put the ubuntu to usb drive so I can boot from it. And the installation is getting easier though. Only a few questions appear during the installation. Asking about keyboard layout The […]
Virtualbox can modified to boot from usb or external hdd usb with OS system in it. Here is the command We can replace /dev/sdbx according to the mounting point of the external usb.
Path is the path to access directly the executable command in linux. For example, instead of typing /usr/bin/ls, you might want just type it ls. But I accidentally erase it. Here is to recover the command The first command is to recover, the second one is to prove its works.
I have lots of pnm which is scanned files. PNM is picture format. I need to make them into one file. The only way is convert them into pdf. And make them into one file. Linux provides such command. Which is convert command. The syntax is simple like this : The problem is I have […]
I always failed when trying to configure out the setting for creating vpn server in my internal network to my home network. Vpn is the common technique that I can use at this working from home situation. But all involved setting in the Indi**** modem that curiously failed on the way. I almost gave up […]
I just run the update from the terminal after download the anydesk from its official site with this command : It result an error : And I searched for the solution, and found one in here. And walah, the anydesk is updated now.
I was surprise receiving this alert when I deleted a folder. Where was the hell the trash directory go anyway? Then after reading something here. I realized that this is happen after I change the user name from A to B. Which is change the uid number of the users. Meanwhile I have something in […]
There are lots of command in Linux console that we can use to do office things. For example converting jpg to pdf. Many jpg at once to single pdf as pages. Here is the command It will result book.pdf with 3 pages. But in my case, there is an error. Display like this : I […]