Ceci est une ancienne révision du document !
I got asked a funny question by Hein: Q: How do I start libresprite? I did an internet search and found this to be a common question, with no answer. reference: https://askubuntu.com/questions/1051100/how-do-i-iniate-the-libresprite-app A: As it currently stands, there is an error in the snap. Launch it from a terminal with: libresprite-simosx.libresprite Q: G. Perl asks: when I switch Ubuntu to Hebrew, I get gobbeldy-gook as folder names. A: That's Hebrew, right? Just kidding. When you choose Hebrew as locale, you need to restart Ubuntu. Please note that the Hebrew translation, that is menus, etc, is not 100% done. There is a reference here to help you: https://help.ubuntu.com/community/HebrewLocalizationHowto
Hein m'a posé une question bizarre :
Q. Comment lancer libresprite ?
J'ai fait des recherches sur le Net et j'ai trouvé que c'était une question fréquente qui n'a aucune réponse.
référence : https://askubuntu.com/questions/1051100/how-do-i-iniate-the-libresprite-app
R. Actuellement, le snap contient une erreur. Lancez-le à partir d'un terminal avec :
libresprite-simosx.libresprite
Q. G. Perle me signale : quand je bascule Ubuntu en hébreu, les noms des dossiers ne sont que du charabia.
R. Vous avez bien dit hébreu ? Je plaisante. Quand vous choisissez l'hébreu comme emplacement, il faut redémarrer Ubuntu. Veuillez noter que la traduction en hébreu, notamment les menus, etc., n'est pas terminée à 100 %.
Voici une référence qui pourra vous aider : https://help.ubuntu.com/community/HebrewLocalizationHowto
Q: My PC has Ubuntu 18.04 installed. It does not want to launch the System Monitor. This seems to be an 18.04 related issue. Before the upgrade, it worked fine. It could be that it is now a snap that it has stopped working. This is the terminal output: You need to connect this snap to the gnome platform snap. You can do this with these commands: snap install gnome-3-26-1604 snap connect gnome-system-monitor:gnome-3-26-1604 gnome-3-26-1604 A: This is an interesting one, it usually turns out to be: a. Hardware error, hard drive busy failing, or a bad spot of memory. b. Bad installation media, failing thumb drive, bad DVD, c. Bad iso. Q: I cannot change the root password on ubuntu 18.04. Why? I tried to reset it, and put on Putty the root username and the emailed password, but when I put the current password on the putty console, it kicks me out of the putty program…. what should I do to fix it? A: Open a terminal and type: su insert your current root password and type passwd.
Q. Ubuntu 18.04 est installé sur mon PC. Il refuse de lancer le Moniteur système.
C'est sans doute un problème afférent à la 18.04. Avant la mise à niveau, cela fonctionnait sans problème. Il se peut que ce soit actuellement un snap qui ne fonctionne plus.
Voici ce qu'affiche le terminal : You need to connect this snap to the gnome platform snap. (Ce snap doit être connecté au snap de la plateforme gnome.) You can do this with these commands: (Vous pouvez le faire avec ces commandes :) snap install gnome-3-26-1604 snap connect gnome-system-monitor:gnome-3-26-1604 gnome-3-26-1604
R. Cette question est intéressante. D'habitude, la cause s'avère être : a. Une erreur du matériel, le disque dur occupé et échouant, ou une erreur de la RAM quelque part. b. Une mauvaise installation de la média, une clé USB ou un DVD mauvais. c. Mauvaise iso.
Q. Je n'arrive pas à changer le mot de passe de root sur Ubuntu 18.04. Pourauoi ? J'ai essayé de le réinitisaliser et j'ai mis le nom d'utilisateur root et le mot de passe reçu par mail sur Putty, mais quant je mets le mot de passe actuel sur le console Putty, il me botte en dehors du programme putty. Que faut-il que je fasse ?
R. Ouvrez un terminal et taper : su
insérez votre mot de passe root actuel et tapez passwd.
Q: I have cloudflare for ssl. People access my website through domain.com and it is secured. But people can also access it through the public IP. How do I stop that?
A: Block all IP's in your firewall, except those from cloudflare. Available here: https://www.cloudflare.com/ips/
Q: I have a core2duo with 2GB ram and 500MB hard drive. My database is mySQL. It keeps crashing with - 2018-07-20T09:26:00.760560Z 0 [ERROR] InnoDB: mmap(137428992 bytes) failed; errno 12. Why?
A: The short answer is you do not have enough memory.
Q: Is it possible to install Plesk on Ubuntu 18.04?
A: Yes and no, the very latest version installs, but does not work 100%.
Q: I really like to customize everything on my ubuntu install. I can't figure out how to change the magenta color on boot. What can I do?
A: I had a quick look and I saw this: http://ubuntuhandbook.org/index.php/2017/10/change-login-screen-background-ubuntu-17-10/ It should work for 18.04 too.
Q: I have installed Ubuntu 18.04 on my laptop, it seems okay. However, I am getting temps from 76-80 degrees when playing gjeweled. This can't be normal, can it? I have tried kubuntu, lubuntu and Ubuntu gnome.
A: This is not straightforward as you have not included any information about your laptop. Some laptops control the system fan via software. Some control it via hardware. If your laptop falls in the first category, you will have to scour the internet for a Linux equivalent of that software. Lenovo is one of those manufacturers; you can search for thinkfan, though it is old. If your laptop controls the fan via hardware, your airflow path may be blocked. You can also try installing TLP.
Q: I am running Ubuntu 16.04. Should I upgrade to 18.04.1?
A: I cannot tell you if you should, that is your choice. I can tell you that Ubuntu 16.04 is still supported for a while. I can also tell you that Ubuntu 18.04 is buttery smooth in comparison. There is also a lot of software that does not work on 18.04 any more. Check your software compatibility. Then decide.
Q: My laptop is a Core i5, 4GB of memory. Whenever I close the lid for suspend, and wake it up again, my wifi asks for a password and won’t connect (with the saved password). Do I need more memory for my laptop?
A: It is usually due to proprietary laptop WiFi drivers. You probably have a Broadcom card. That is a common problem. That said, nobody can help you as the drivers are not open source and not able to be fixed by the community. You can try using the open source driver instead of the proprietary one, or you can petition Broadcom to fix the driver.
Q: I have upgraded Ubuntu 17.04 (which had no problems) to Ubuntu 18.04. Once I log in, everything graphical is frozen. I switch to another TTY and kill the login, but when I log in again, it freezes again. I cannot get past the freeze. Help me.
A: You do not give me much to work with, but if you can switch to another TTY, it means that either your proprietary graphics driver needs updating or downgrading. If you are using nouveau, install the proprietary driver. If you still cannot log in, send us the full specs of your machine as well as what driver you are using.
Q: I am using XFCE as my desktop on Ubuntu 16.04. All works fine, but then, after a while, my screen starts flashing and I get XScreenSaver login terminal. Now I cannot even type. What did I do wrong?
A: This is what happens when the xscreensaver process falls over - it will spawn another xscreensaver process. This second process will run and will not detect that you are typing or moving the mouse, thus it will kick in within the allotted time. Just remove xscreensaver from your startup, and again, either install the proprietary driver or downgrade to nouveau if you have Nvidia.
Q: Problem on Asus Ultrabook. Kernel 4.15.0-23 runs o.k. Kernel 4.15.0-24 extreme boot delay, up to a minute.
A: See: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1779961