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You need to install several packages namely as follows postfix mailutils libsasl2-2 ca-certificates libsasl2-modules these packages are required for the proper setup of mail sending. Here is a proper way of setting this up and testing out by sending mail and the possible troubleshooting. Hope this helps :)


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less is a pretty useful command evolved from more. You can use it to browse through large text files. Run: less $HOME/.bash_history Use the Up/Down arrow keys to go up and down in the file. Press q to exit. For more information/keyboard shortcuts in less, run man less. It will show its manual pages. For instance, you could also use other utilities, such ...


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$history and it will show the history 1999 exit 2000 cd /opt 2001 sudo apt-get install p7zip-full 2002 sudo apt-get install p7zip-rar 2003 mkdir CS-RT-code 2004 cd CS-RT-code/ 2005 ls -lrt 2006 history $ !<history #> to execute the previous history command


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pavucontrol works partially to me. By setting Profile to off just the video stream no more fast but audio still doesn't will output anymore.


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In Ubuntu 15.10, using the update-rc.d boinc-client remove command, as suggested in the official Boinc wiki, didn't work for me. Boinc continued to automatically launch at startup. However this worked : sudo systemctl disable boinc-client


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Try disabling compositing in the window manager settings or x server config file. If you don't need the fancy effects this should not be an issue. In xfce it's in settings manager -> window manager tweaks -> compositor tab. In xorg.conf: Section "Extensions" Option "Composite" "Disable" EndSection I had the exact same problem, every tool reported ...


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Just ran into this too. The Ubuntu installer prompts for a non-root admin user which gets added to the group sudo. I had then manually added myself to the sudoers file using sudo visudo: my_username ALL=(ALL:ALL) NOPASSWD:ALL But I still have to password authenticate. enzotib's answer is the key to what's going on. The group sudo shows up in sudoers ...


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In my case, I had to install the missing package 'baloo' which performs the search in Dolphin. Do the following in a terminal: sudo apt-get install baloo That worked on KXStudio 14.04, and might help for other distros based on Ubuntu 14.04.


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thank . you . so . much :) this was driving me bonkers! Note, this worked for me on Ubuntu 14.04. The indicators seemed to disappear after a routine system update. However, in my case, I did not need to sudo apt-add-repository ppa:jconti/gnome3 -y. The steps of removing items from the panel, and then doing "add to panel" worked for me. I also did sudo ...


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synclient and xinput will not work if you are using gnome (or unity, cinnamon) environment, because it will override settings, so if you want synclient or xinput to take over these settings, you should disable that first: 1) install dconf-editor if not installed: $ apt-get install dconf-editor 2) run dconf-editor $ dconf-editor 3) open the directory ...


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I have my OSs in separate drives, so that GRUB2 wont' get replaced by the Windows Bootloader and viceversa That's ideal, so you're likely to have at least one primary partition free in the partition table. Now my question is, How can I change/convert Ubuntu's drive so that instead of using MBR it uses GPT and allow Windows to boot? You don't have ...


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FFmpeg also works quite well: cat ./VIDEO_TS/*.VOB | ffmpeg -i - <out_name>.<out_format> Source: https://wiki.archlinux.org/index.php/FFmpeg#VOB_to_any_container


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You can do it by replacing the parameters in nautilus.css that can be found in /usr/share/themes/(your_theme)/gtk-3.0/apps/nautilus.css you should do this as root sudo gedit /usr/share/themes/(your_theme)/gtk-3.0/apps/nautilus.css


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I found a work around: attach the HDD to the windows machine create the folder there then put all of your sub folders into it. Annoying but you can access the sub folders.


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In /etc/lightdm/lightdm.conf Go down the file until you get to: # greeter-hide-users=false Un-comment it, make sure the value is false.


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I just had this and it still didn't work no matter how many times I tried variations...until I realized I had two /etc/default/grub files - one for each of my dual boot roots! And I had been editing the wrong one. So there's another file or variable out there somewhere that selects which file we are really using.



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