apt-get install stuck issue

I was trying to install nutstore but too bad it is discontinued and I am stuck at this error.

Setting up nautilus-nutstore (3.1.0) ...
fetching Nutstore distribution package...
--2020-08-08 01:21:23-- http://jianguoyun.com/static/exe/installer/nutstore_linux_dist_x64.tar.gz
Resolving jianguoyun.com (jianguoyun.com)... 13.75.93.73
Connecting to jianguoyun.com (jianguoyun.com)|13.75.93.73|:80...

The problem is, what ever new things I want to install, apt-get will end up stuck here.

Solution:

$ sudo apt-get remove nautilus-nutstore

Install Ubuntu Dual Boot on Dell with SATA Harddirve

I was installing ubuntu on a new Dell machine with SATA. I booted into the Ubuntu Live USB but at the partitioning part I could only see /dev/sda which is just my USB drive. Where is my hard drive??!!

Here is the fix or prevention...so that you won't just change the SATA setting and lose windows. Then it will be a bit hard to fix.

1. In Windows, run Command Prompt as admin
2. Invoke a Safe Mode boot with the command: bcdedit /set {current} safeboot minimal
3. Restart the PC and enter your BIOS during bootup.
4. Change from IDE to AHCI mode then Save & Exit.
5. Windows 10 will launch in Safe Mode.
6. Right click the Window icon and select to run the Command Prompt in Admin mode from among the various options.
7. Cancel Safe Mode booting with the command: bcdedit /deletevalue {current} safeboot
8. Restart your PC once more and this time it will boot up normally but with AHCI mode activated.

ref:
https://itsfoss.com/install-ubuntu-1404-dual-boot-mode-windows-8-81-uefi/
https://itsfoss.com/disable-uefi-secure-boot-in-windows-8/

https://askubuntu.com/questions/696413/ubuntu-installer-cant-find-any-disk-on-dell-xps-13-9350

https://blog.csdn.net/u012986673/article/details/80738933

Error "error: dpkg frontend is locked by another process"

sudo rm /var/lib//dpkg/lock
sudo dpkg --configure -a

ref:
https://www.ostechnix.com/how-to-fix-e-could-not-get-lock-var-lib-dpkg-lock-error-on-ubuntu/
https://www.youtube.com/watch?v=7GQIY37vPQ4

Toubleshoot Sogou Pinying Installing

sudo dpkg -i sogoupinyin_2.2.0.0108_amd64.deb

And got the following problem:

boris@boris-desktop:~$ sudo dpkg -i ~/Downloads/sogoupinyin_2.3.1.0112_amd64.deb
(Reading database ... 129112 files and directories currently installed.)
Preparing to unpack .../sogoupinyin_2.3.1.0112_amd64.deb ...
Unpacking sogoupinyin (2.3.1.0112) over (2.3.1.0112) ...
dpkg: dependency problems prevent configuration of sogoupinyin:
 sogoupinyin depends on libqtwebkit4; however:
  Package libqtwebkit4 is not installed.
 sogoupinyin depends on libopencc2 | libopencc1; however:
  Package libopencc2 is not installed.
  Package libopencc1 is not installed.
 sogoupinyin depends on fcitx-libs | libfcitx-qt0; however:
  Package fcitx-libs is not installed.
  Package libfcitx-qt0 is not installed.

dpkg: error processing package sogoupinyin (--install):
 dependency problems - leaving unconfigured
Processing triggers for libglib2.0-0:amd64 (2.56.4-0ubuntu0.18.04.4) ...
No such key 'Gtk/IMModule' in schema 'org.gnome.settings-daemon.plugins.xsettings' as specified in override file '/usr/share/glib-2.0/schemas/50_sogoupinyin.gschema.override'; ignoring override for this key.
Processing triggers for gnome-menus (3.13.3-11ubuntu1.1) ...
Processing triggers for desktop-file-utils (0.23-1ubuntu3.18.04.2) ...
Processing triggers for mime-support (3.60ubuntu1) ...
Processing triggers for shared-mime-info (1.9-2) ...
Processing triggers for fontconfig (2.12.6-0ubuntu2) ...
Processing triggers for hicolor-icon-theme (0.17-2) ...
Errors were encountered while processing:
 sogoupinyin

Solution:

sudo apt --fix-broken install

ref:

https://www.jianshu.com/p/c936a8a2180e

http://www.programmersought.com/article/4465542875/

NO_PUBKEY Issue

Hit:21 http://ppa.launchpad.net/webupd8team/sublime-text-3/ubuntu xenial InRelease
Fetched 1,490 B in 1s (1,302 B/s)                 
Reading package lists... Done
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://dl.winehq.org/wine-builds/ubuntu xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 76F1A20FF987672F
W: GPG error: http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04  Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 0A506F712A7D8A28
W: The repository 'http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04  Release' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: Failed to fetch https://dl.winehq.org/wine-builds/ubuntu/dists/xenial/InRelease  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 76F1A20FF987672F
W: Some index files failed to download. They have been ignored, or old ones used instead.

wget -nc https://dl.winehq.org/wine-builds/winehq.key && sudo apt-key add winehq.key && sudo apt update

boris@boris-home:~$ wget -nc https://dl.winehq.org/wine-builds/winehq.key && sudo apt-key add winehq.key && sudo apt update
--2019-01-15 00:43:38--  https://dl.winehq.org/wine-builds/winehq.key
Resolving dl.winehq.org (dl.winehq.org)... 151.101.126.217
Connecting to dl.winehq.org (dl.winehq.org)|151.101.126.217|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 3220 (3.1K) [application/pgp-keys]
Saving to: ‘winehq.key’

winehq.key          100%[===================>]   3.14K  --.-KB/s    in 0s      

2019-01-15 00:43:38 (77.1 MB/s) - ‘winehq.key’ saved [3220/3220]

OK
Ign:1 http://linux.dropbox.com/ubuntu wily InRelease
Ign:2 http://dl.google.com/linux/chrome/deb stable InRelease                   
Hit:3 http://linux.dropbox.com/ubuntu wily Release                             
Hit:6 http://archive.canonical.com/ubuntu xenial InRelease                     
Hit:7 http://repository.spotify.com stable InRelease                           
Ign:8 http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04  InRelease
Hit:9 http://dl.google.com/linux/chrome/deb stable Release                     
Get:10 https://dl.winehq.org/wine-builds/ubuntu xenial/main amd64 Packages [145 kB]
Hit:11 http://ca.archive.ubuntu.com/ubuntu xenial InRelease                    
Hit:12 http://ppa.launchpad.net/fpoussin/ppa/ubuntu xenial InRelease           
Hit:13 http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04  Release
Get:14 https://dl.winehq.org/wine-builds/ubuntu xenial/main i386 Packages [151 kB]
Get:15 http://ca.archive.ubuntu.com/ubuntu xenial-updates InRelease [109 kB]   
Get:16 http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04  Release.gpg [481 B]
Hit:18 http://ppa.launchpad.net/gezakovacs/ppa/ubuntu xenial InRelease         
Ign:16 http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04  Release.gpg
Hit:19 http://ppa.launchpad.net/mosquitto-dev/mosquitto-ppa/ubuntu xenial InRelease
Get:20 http://ca.archive.ubuntu.com/ubuntu xenial-backports InRelease [107 kB] 
Hit:21 http://ppa.launchpad.net/webupd8team/sublime-text-3/ubuntu xenial InRelease
Hit:22 http://archive.ubuntukylin.com:10006/ubuntukylin xenial InRelease
Reading package lists... Done 
W: GPG error: http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04  Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 0A506F712A7D8A28
E: The repository 'http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04  Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

boris@boris-home:~$ 


You can see the key issue from WinHQ is gone now.

###########################################################

$ sudo -i 

 # apt-get clean 

 # cd /var/lib/apt 

 # mv lists lists.old 

 # mkdir -p lists/partial 

 # apt-get clean 

 # apt-get update

sudo sed -i '/opensuse/ s/^/#/' /etc/apt/sources.list.d/*.list

Now the key issue from opensuse should also be gone.


ref:
https://askubuntu.com/questions/1103320/the-following-signatures-couldnt-be-verified-because-the-public-key-is-not-avai
https://ubuntuforums.org/showthread.php?t=1869890&page=3
https://askubuntu.com/questions/522114/cant-get-rid-of-gpg-error-http-download-opensuse-org

Nutstore problem: SSL failed to connect

备份并移除老的cacerts
sudo mv /etc/ssl/certs/java/cacerts{,.backup}


生成新的cacerts
sudo keytool -importkeystore -destkeystore /etc/ssl/certs/java/cacerts -deststoretype jks -deststorepass changeit -srckeystore /etc/ssl/certs/java/cacerts.backup -srcstoretype pkcs12 -srcstorepass changeit


询问官方后官方提供的临时解决方案

ref:
http://tieba.baidu.com/p/5680448441

Problem with Spotify Keys

Problem:

W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://repository.spotify.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EFDC8610341D9410
W: Failed to fetch http://repository.spotify.com/dists/stable/InRelease  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EFDC8610341D9410
W: Some index files failed to download. They have been ignored, or old ones used instead.

####################################################################3

This happen when somehow we'd lost the keys.

To solve i have executed the first step listed here https://www.spotify.com/de/download/linux/

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 0DF731E45CE24F27EEEB1450EFDC8610341D9410

ref:

https://superuser.com/questions/932781/failed-to-fetch-spotify-repository-while-updating-ubuntu

I think the following problems are the same:

Problem 1:
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?

Problem  2:

sudo apt-get -f install

Reading package lists... Done

Building dependency tree       

Reading state information... Done

0 upgraded, 0 newly installed, 0 to remove and 39 not upgraded.

5 not fully installed or removed.

After this operation, 0 B of additional disk space will be used.

Setting up linux-image-extra-4.4.0-104-generic (4.4.0-104.127) ...

run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-104-generic /boot/vmlinuz-4.4.0-104-generic

run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-104-generic /boot/vmlinuz-4.4.0-104-generic

update-initramfs: Generating /boot/initrd.img-4.4.0-104-generic

gzip: stdout: No space left on device

E: mkinitramfs failure cpio 141 gzip 1

update-initramfs: failed for /boot/initrd.img-4.4.0-104-generic with 1.

run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1

dpkg: error processing package linux-image-extra-4.4.0-104-generic (--configure):

 subprocess installed post-installation script returned error exit status 1

dpkg: dependency problems prevent configuration of linux-image-generic:

 linux-image-generic depends on linux-image-extra-4.4.0-104-generic; however:

  Package linux-image-extra-4.4.0-104-generic is not configured yet.

dpkg: error processing package linux-image-generic (--configure):

 dependency problems - leaving unconfigured

dpkg: dependency problems prevent configuration of linux-generic:

 linux-generic depends on linux-image-generic (= 4.4.0.104.109); however:

  Package linux-image-generic is not configured yet.

dpkg: error processing package linux-generic (--configure):

 dependency problems - leaving unconfigured

Setting up linux-image-4.4.0-98-generic (4.4.0-98.121) ...

No apport report written because the error message indicates its a followup error from a previous failure.

                                                                                                          No apport report written because the error message indicates its a followup error from a previous failure.

                                                                             Running depmod.

update-initramfs: deferring update (hook will be called later)

The link /initrd.img is a dangling linkto /boot/initrd.img-4.4.0-98-generic

vmlinuz(/boot/vmlinuz-4.4.0-98-generic

) points to /boot/vmlinuz-4.4.0-98-generic

 (/boot/vmlinuz-4.4.0-98-generic) -- doing nothing at /var/lib/dpkg/info/linux-image-4.4.0-98-generic.postinst line 491.

Examining /etc/kernel/postinst.d.

run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-98-generic /boot/vmlinuz-4.4.0-98-generic

run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-98-generic /boot/vmlinuz-4.4.0-98-generic

update-initramfs: Generating /boot/initrd.img-4.4.0-98-generic

gzip: stdout: No space left on device

E: mkinitramfs failure cpio 141 gzip 1

update-initramfs: failed for /boot/initrd.img-4.4.0-98-generic with 1.

run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1

Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-4.4.0-98-generic.postinst line 1052.

dpkg: error processing package linux-image-4.4.0-98-generic (--configure):

 subprocess installed post-installation script returned error exit status 2

No apport report written because MaxReports is reached already

                                                              dpkg: dependency problems prevent configuration of linux-image-extra-4.4.0-98-generic:

 linux-image-extra-4.4.0-98-generic depends on linux-image-4.4.0-98-generic; however:

  Package linux-image-4.4.0-98-generic is not configured yet.

dpkg: error processing package linux-image-extra-4.4.0-98-generic (--configure):

 dependency problems - leaving unconfigured

No apport report written because MaxReports is reached already

                                                              Errors were encountered while processing:

 linux-image-extra-4.4.0-104-generic

 linux-image-generic

 linux-generic

 linux-image-4.4.0-98-generic

 linux-image-extra-4.4.0-98-generic

E: Sub-process /usr/bin/dpkg returned an error code (1)

Problem  3:

The volume "boot" has only  bytes disk space remaining

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////

Solution:

Step 1:

List all the current existing kernels.

ls /boot/ | grep vmlinuz

vmlinuz-4.4.0-104-generic

vmlinuz-4.4.0-97-generic

vmlinuz-4.4.0-98-generic

Step 2:

Find the current kernel in use.

uname -r

4.4.0-97-generic

Step 3:

Remove one of them not in use:

sudo apt-get purge linux-image-4.4.0-104-generic

Reading package lists... Done

Building dependency tree       

Reading state information... Done

The following packages were automatically installed and are no longer required:

  linux-headers-4.4.0-104 linux-headers-4.4.0-104-generic linux-headers-generic thermald

Use 'sudo apt autoremove' to remove them.

0 upgraded, 0 newly installed, 0 to remove and 39 not upgraded.

ref:
https://askubuntu.com/questions/218783/the-volume-boot-has-only-0-bytes-disk-space-remaining

Manage Startup Applications in Ubuntu

Ubuntu has an GUI called Startup Applications.

ref:
https://linux.cn/article-5943-1.html

dpkg: error processing package linux-image-generic (--configure): dependency problems - leaving unconfigured

I was installing ffmpeg the other day and something seems failed to be installed. I thought ffmpeg was not successfully installed but it actually DID!! I did it again and again. Everytime I'm getting error messages:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
ffmpeg is already the newest version (7:3.3.3-1ubuntu1~16.04.york0).
The following packages were automatically installed and are no longer required:
  linux-headers-4.4.0-72 linux-headers-4.4.0-72-generic linux-image-4.4.0-72-generic linux-image-extra-4.4.0-72-generic
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 277 not upgraded.
3 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] Y
Setting up linux-image-extra-4.4.0-89-generic (4.4.0-89.112) ...
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-89-generic /boot/vmlinuz-4.4.0-89-generic
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-89-generic /boot/vmlinuz-4.4.0-89-generic
update-initramfs: Generating /boot/initrd.img-4.4.0-89-generic

gzip: stdout: No space left on device
E: mkinitramfs failure cpio 141 gzip 1
update-initramfs: failed for /boot/initrd.img-4.4.0-89-generic with 1.
run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
dpkg: error processing package linux-image-extra-4.4.0-89-generic (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of linux-image-generic:
 linux-image-generic depends on linux-image-extra-4.4.0-89-generic; however:
  Package linux-image-extra-4.4.0-89-generic is not configured yet.

dpkg: error processing package linux-image-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-generic:
 linux-generic depends on linux-image-generic (= 4.4.0.89.95); however:
  Package linux-image-generic is not configured yet.

dpkg: error processing package linux-generic (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                          No apport report written because the error message indicates its a followup error from a previous failure.
                                                                             Errors were encountered while processing:
 linux-image-extra-4.4.0-89-generic
 linux-image-generic
 linux-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)

Actually, it turned out the same errors appear when I am trying to install any softwares.

This is what I get and did:

12down vote

Your problem is: update-initramfs: Generating /boot/initrd.img-3.16.0-43-generic gzip: stdout: No space left on device E: mkinitramfs failure cpio 141 gzip 1 Solution: apt-get autoremove

So I did sudo apt-get autoremove

and here are the outputs:

Reading package lists... Done

Building dependency tree       

Reading state information... Done

The following packages will be REMOVED:

  linux-headers-4.4.0-72 linux-headers-4.4.0-72-generic linux-image-4.4.0-72-generic linux-image-extra-4.4.0-72-generic

0 upgraded, 0 newly installed, 4 to remove and 277 not upgraded.

3 not fully installed or removed.

After this operation, 297 MB disk space will be freed.

Do you want to continue? [Y/n] y

(Reading database ... 259942 files and directories currently installed.)

Removing linux-headers-4.4.0-72-generic (4.4.0-72.93) ...

Removing linux-headers-4.4.0-72 (4.4.0-72.93) ...

Removing linux-image-extra-4.4.0-72-generic (4.4.0-72.93) ...

run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-72-generic /boot/vmlinuz-4.4.0-72-generic

run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-72-generic /boot/vmlinuz-4.4.0-72-generic

update-initramfs: Generating /boot/initrd.img-4.4.0-72-generic

run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-72-generic /boot/vmlinuz-4.4.0-72-generic

run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-72-generic /boot/vmlinuz-4.4.0-72-generic

run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-72-generic /boot/vmlinuz-4.4.0-72-generic

run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-72-generic /boot/vmlinuz-4.4.0-72-generic

Generating grub configuration file ...

Found linux image: /boot/vmlinuz-4.4.0-89-generic

Found initrd image: /boot/initrd.img-4.4.0-89-generic

Found linux image: /boot/vmlinuz-4.4.0-75-generic

Found initrd image: /boot/initrd.img-4.4.0-75-generic

Found linux image: /boot/vmlinuz-4.4.0-72-generic

Found initrd image: /boot/initrd.img-4.4.0-72-generic

Found memtest86+ image: /memtest86+.elf

Found memtest86+ image: /memtest86+.bin

Found Windows 7 (loader) on /dev/sda1

Found Windows 7 (loader) on /dev/sda2

done

Removing linux-image-4.4.0-72-generic (4.4.0-72.93) ...

Examining /etc/kernel/postrm.d .

run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.4.0-72-generic /boot/vmlinuz-4.4.0-72-generic

update-initramfs: Deleting /boot/initrd.img-4.4.0-72-generic

run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.4.0-72-generic /boot/vmlinuz-4.4.0-72-generic

Generating grub configuration file ...

Found linux image: /boot/vmlinuz-4.4.0-89-generic

Found initrd image: /boot/initrd.img-4.4.0-89-generic

Found linux image: /boot/vmlinuz-4.4.0-75-generic

Found initrd image: /boot/initrd.img-4.4.0-75-generic

Found memtest86+ image: /memtest86+.elf

Found memtest86+ image: /memtest86+.bin

Found Windows 7 (loader) on /dev/sda1

Found Windows 7 (loader) on /dev/sda2

done

Setting up linux-image-extra-4.4.0-89-generic (4.4.0-89.112) ...

run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-89-generic /boot/vmlinuz-4.4.0-89-generic

run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-89-generic /boot/vmlinuz-4.4.0-89-generic

update-initramfs: Generating /boot/initrd.img-4.4.0-89-generic

run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-89-generic /boot/vmlinuz-4.4.0-89-generic

run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-89-generic /boot/vmlinuz-4.4.0-89-generic

run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-89-generic /boot/vmlinuz-4.4.0-89-generic

run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-89-generic /boot/vmlinuz-4.4.0-89-generic

Generating grub configuration file ...

Found linux image: /boot/vmlinuz-4.4.0-89-generic

Found initrd image: /boot/initrd.img-4.4.0-89-generic

Found linux image: /boot/vmlinuz-4.4.0-75-generic

Found initrd image: /boot/initrd.img-4.4.0-75-generic

Found memtest86+ image: /memtest86+.elf

Found memtest86+ image: /memtest86+.bin

Found Windows 7 (loader) on /dev/sda1

Found Windows 7 (loader) on /dev/sda2

done

Setting up linux-image-generic (4.4.0.89.95) ...

Setting up linux-generic (4.4.0.89.95) ...

########################################################################
// Later on my computer at work, I was trying to install screen and I got:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  linux-headers-4.4.0-70 linux-headers-4.4.0-70-generic linux-headers-4.4.0-72 linux-headers-4.4.0-72-generic linux-headers-4.4.0-75 linux-headers-4.4.0-75-generic
  linux-headers-4.4.0-78 linux-headers-4.4.0-78-generic linux-headers-4.4.0-79 linux-headers-4.4.0-79-generic linux-headers-4.4.0-81 linux-headers-4.4.0-81-generic
  linux-image-4.4.0-70-generic linux-image-4.4.0-72-generic linux-image-4.4.0-75-generic linux-image-4.4.0-78-generic linux-image-4.4.0-79-generic
  linux-image-4.4.0-81-generic linux-image-extra-4.4.0-70-generic linux-image-extra-4.4.0-72-generic linux-image-extra-4.4.0-75-generic linux-image-extra-4.4.0-78-generic
  linux-image-extra-4.4.0-79-generic linux-image-extra-4.4.0-81-generic
Use 'sudo apt autoremove' to remove them.
Suggested packages:
  iselect | screenie | byobu ncurses-term
The following NEW packages will be installed:
  screen
0 upgraded, 1 newly installed, 0 to remove and 264 not upgraded.
Need to get 560 kB of archives.
After this operation, 972 kB of additional disk space will be used.
Get:1 http://ca.archive.ubuntu.com/ubuntu xenial/main amd64 screen amd64 4.3.1-2build1 [560 kB]
Fetched 560 kB in 25s (22.3 kB/s)                                                                                                                                           
Selecting previously unselected package screen.
(Reading database ... 415154 files and directories currently installed.)
Preparing to unpack .../screen_4.3.1-2build1_amd64.deb ...
Unpacking screen (4.3.1-2build1) ...
Processing triggers for systemd (229-4ubuntu10) ...
Processing triggers for ureadahead (0.100.0-19) ...
ureadahead will be reprofiled on next reboot
Processing triggers for install-info (6.1.0.dfsg.1-5) ...
Processing triggers for man-db (2.7.5-1) ...
Setting up screen (4.3.1-2build1) ...
Processing triggers for systemd (229-4ubuntu10) ...
Processing triggers for ureadahead (0.100.0-19) ...

So I guess Ubuntu pushed some updates...

ref:

https://askubuntu.com/questions/517857/dpkg-error-processing-package-linux-image-generic-configure-dependency-pro

Install the flash player for Chromium in Ubuntu 16.04

Be sure to enable the Canonical partners repository

Go to Software Center => Software & Updates(top left corner), and go to the "Other Software" tab.

then run:

sudo apt update
sudo apt install adobe-flashplugin

Problem: Ubuntu 16.04 freezes on login screen, no keyboard or mouse working

Ran into a lot of problems with 16.04. Again, all of sudden after inputing my password everything froze.

Solution:
(1) Boot and old kernel
I only have Linux installed, no Windows. So I don't see grub menu.
Many says use shift to see grub menu but for many other computers we have to go with ESC.

Then go to "Advanced option" and go down to the older kernel -- the one without "Recovery" and "Memory Test".

This is only a quick fix that let you boot into your system. You will run into the same problem when reboot.

(2) Now that we boot into the system, we can do:

sudo apt update && sudo apt upgrade

ref:
https://askubuntu.com/questions/837003/ubuntu-16-04-freezes-on-login-screen-no-keyboard-or-mouse-working
https://askubuntu.com/questions/668049/grub-menu-at-boot-time-holding-shift-not-working

Ubuntu Chinese Input Method

ref:
http://pinyinjoe.com/linux/ubuntu-12-chinese-setup.htm
http://pinyinjoe.com/linux/ubuntu-10-chinese-input-pinyin-chewing.htm

Delete Ubuntu Safely with Win 7

(1) Download mbrfix.zip and unzip under root c:\
http://www.sysint.no/mbrfix

(2) Open Windows terminal and input:
cd \

mbrfix /drive 0 fixmbr /yes
(3) reboot
We don't see the grub list any more.

(4) delete the ubuntu partitions.

ref:
http://forum.ubuntu.org.cn/viewtopic.php?t=66401

Grub Rescue

I got this prompt when I was trying to clear out some Disk from my Win 7 for Ubuntu. Here are the commands I've used to fix the problem.

(1) Find the /boot partition
ls

we can see something like:
(hd0,1),(hd0,5),(hd0,3),(hd0,2)

(2) Try them one by one and if one shows a file "grub.cfg", that is our /boot

ls （hd0,X)/grub -- I remember I have an independent partition for /boot

(3)
grub rescue>set root=(hd0,5)
grub rescue>set prefix=(hd0,5)/grub
grub rescue>insmod normalgrub rescue>normal

We can see our grub list now. BUT!!!!!! It's not over yet.

(4) last step

sudo update-grub
sudo grub-install /dev/sda


ref:
http://forum.ubuntu.org.cn/viewtopic.php?t=348503
http://askubuntu.com/questions/192621/grub-rescue-prompt-repair-grub

Open terminal by right click

Install nautilus-open-terminal. In a terminal type:

sudo apt-get install nautilus-open-terminal

Once it installs, type nautilus -q && nautilus & to quit and reopen nautilus, and check the right click option.

ref:
http://askubuntu.com/questions/293566/open-terminal-from-nautilus-by-right-click

Ubuntu Chinese Pingying Characters not Coming Out

When I just added Pingying Input and tried to type, there is no characters coming out for choosing. Here is the solution:

terminal$:  ibus-daemon -drx

This basically re-start the ibus process.

Ubuntu Chinese Pingying Characters not Coming Out

When I just added Pingying Input and tried to type, there is no characters coming out for choosing. Here is the solution:

terminal$:  ibus-daemon -drx

This basically re-start the ibus process.

Ubuntu 14.04 PDF Editing Software

xjournal is not bad, but there is one extra file always there, which is annoying.

I love Foxit in Windows and here is the guide for installation:

http://ubuntuhandbook.org/index.php/2015/09/install-foxit-reader-in-ubuntu/

https://www.foxitsoftware.com/downloads/thanks.php?product=Foxit-Reader&platform=Linux-32-bit&version=1.1.0.0225&package_type=run&language=English

Download Files in Windows with the Extension Name You Want

I am trying to download a ".sty" file for LateX editing. But Windows failed to recognize it as a LateX file (only .tex file can be automatically downloaded as .tex). So Windows game me only .txt type and I end up downloading the file: xxxxxx.sty.txt, which cannot be recognize by LateX! Sooooo annoying!!!

I searched and many suggested very complicated ways to remove it such as a third-party software or change something in the Windows Register. This is why I HATE Win. I find a easy way to do it inspired from the following blog:

http://lifehacker.com/5883860/change-the-file-extension-of-any-file-through-windows-save-as-menu

However, it is not perfect. For example. the file you are trying to Save As is abcde.sty and you input "abcde.sty" in the file name, then the type you will get is .sty". So only one quote at the beginning of the file name is enough, like this:

"abced.sty