Supernormal's questions

I need to set a specific username for printing (network printer at work).

In Kubuntu 16.04, I used to be able to set it using the CUPS interface at http://localhost:631 (via Administration, Manage Printers, Set Default Options, Job Log, UserId). However, in Kubuntu 20.04, it is not working.

I tried to set User myname in /etc/cups/cups-files.conf, but when I do that and do sudo service cups restart, CUPS fails and the printer dialog says "Print service is unavailable. Bad file descriptor". Should it not be possible to set the User variable in that file?

I'm trying to install the hamster time tracker in Kubuntu 20.04, but it seems quite difficult. Has anyone got it working?

hamster itself is not present in the official repos, but I installed hamster-snap from here. That works, but I'd also like to have a way to put it in the KDE system tray.

Earlier (in Kubuntu 16.04) that was possible with hamster-tray but that seems to be defunct now.

I have mounted an SFTP share using Dolphin, which all works perfectly. However, I would also like to browse these files from the command line.

Pressing F4 in Dolphin to bring up a terminal window just gives me my home directory, and not the remote one. I cannot see the remote mount when running mount.

Is there a way to cd to the SFTP after mounting it in Dolphin, like I could if I had mounted it with sshfs?

Nautilus uses gvfs to mount remote shares, which makes life easier, as shown here. However, that does not seem to be the case with Dolphin (Kubuntu). I don't have anything in /run/user/$UID/gfvs/ after mounting my SFTP share in Dolphin.

I have a Dell Precision 3530 and a Dell TB16 docking station. Like many others, I'm having trouble using this dock, especially on Linux, but to some extent also on Windows. I'm running Kubuntu 16.04. I am currently running kernel 4.15.0-47, and the intel graphics drivers. (I don't have nvidia drivers installed currently.)

What works (at a clean boot):

• Charging
• Ethernet
• HDMI and DP external displays
• USB (external keyboard and mouse)

What doesn't work (at a clean boot):

• Sound (the taskbar volume icon lists a "USB audio headphone" when the dock is connected, but I get no sound output -- only through the internal speakers)

So far it's alright and usable. However, after I suspend and resume, I also lose the external monitor support, which is a bigger issue than not having external sound. I can see the external monitor, dimmed, in the display configuration dialog, but it is disabled, and even if I click to enable it and apply, it just goes back to being disabled.

I also sometimes (but not always) loose Ethernet connection after suspend and resume.

Looking at the output of sudo journalctl, the most relevant information about the network connection that I can see is

apr 24 06:38:02 dill dhclient[17767]: DHCPDISCOVER on enxc8f750474565 to 255.255.255.255 port 67 interval 11 (xid=0xa74c925b)
apr 24 06:38:06 dill NetworkManager[1056]: <warn>  [1556080686.2978] dhcp4 (enxc8f750474565): request timed out
apr 24 06:38:06 dill NetworkManager[1056]: <info>  [1556080686.2979] dhcp4 (enxc8f750474565): state changed unknown -> timeout
apr 24 06:38:06 dill NetworkManager[1056]: <info>  [1556080686.3304] dhcp4 (enxc8f750474565): canceled DHCP transaction, DHCP client pid 17767
apr 24 06:38:06 dill NetworkManager[1056]: <info>  [1556080686.3305] dhcp4 (enxc8f750474565): state changed timeout -> done
apr 24 06:38:06 dill NetworkManager[1056]: <info>  [1556080686.3309] device (enxc8f750474565): state change: ip-config -> failed (reason 'ip-config-unavailable') [70 120 5]
apr 24 06:38:06 dill NetworkManager[1056]: <info>  [1556080686.3311] policy: disabling autoconnect for connection 'Wired connection 1'.
apr 24 06:38:06 dill NetworkManager[1056]: <warn>  [1556080686.3313] device (enxc8f750474565): Activation: failed for connection 'Wired connection 1'
apr 24 06:38:06 dill NetworkManager[1056]: <info>  [1556080686.3317] device (enxc8f750474565): state change: failed -> disconnected (reason 'none') [120 30 0]

As for the monitor information, if I unplug the HDMI cable and replug it in, I don't get an image on the external monitor and journalctl tells me the following:

...skipping...
apr 24 11:09:15 dill kernel: nouveau 0000:01:00.0: i2c: aux 0004: timeout 01119007
apr 24 11:09:15 dill kernel: nouveau 0000:01:00.0: i2c: aux 0005: timeout 01119007
apr 24 11:09:15 dill kernel: nouveau 0000:01:00.0: i2c: aux 0006: timeout 01119007
apr 24 11:09:15 dill kernel: nouveau 0000:01:00.0: i2c: aux 0007: timeout 01119007
apr 24 11:09:15 dill kernel: nouveau 0000:01:00.0: i2c: aux 0008: timeout 01119007
apr 24 11:09:15 dill kernel: nouveau 0000:01:00.0: i2c: aux 0009: timeout 01119007
apr 24 11:09:15 dill kernel: nouveau 0000:01:00.0: i2c: aux 0004: timeout 01119007
apr 24 11:09:15 dill kernel: nouveau 0000:01:00.0: i2c: aux 0005: timeout 01119007
apr 24 11:09:15 dill kernel: nouveau 0000:01:00.0: i2c: aux 0006: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0007: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0008: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0009: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0004: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0005: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0006: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0007: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0008: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0009: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0004: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0005: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0006: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0007: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0008: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0009: timeout 01119007
apr 24 11:09:16 dill kernel: nouveau 0000:01:00.0: i2c: aux 0004: timeout 01119007
apr 24 11:09:17 dill kernel: nouveau 0000:01:00.0: i2c: aux 0005: timeout 01119007
apr 24 11:09:17 dill kernel: nouveau 0000:01:00.0: i2c: aux 0006: timeout 01119007
apr 24 11:09:17 dill kernel: nouveau 0000:01:00.0: i2c: aux 0007: timeout 01119007
apr 24 11:09:17 dill kernel: nouveau 0000:01:00.0: i2c: aux 0008: timeout 01119007
apr 24 11:09:17 dill kernel: nouveau 0000:01:00.0: i2c: aux 0009: timeout 01119007
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr: XRandROutput 1326 update
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_connected: 1
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_crtc QObject(0x0)
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr:         CRTC: 0
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr:         MODE: 0
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr:         Connection: 0
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr:         Primary: false
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr: Output 1326 : connected = true , enabled = false
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper: RRScreenChangeNotify
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper:         Window: 39845892
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper:         Root: 446
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper:         Rotation:  "Rotate_0"
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper:         Size ID: 0
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper:         Size:  1920 1080
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper:         SizeMM:  506 285
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper: RRotify_OutputChange
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper:         Output:  1326
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper:         CRTC:  0
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper:         Mode:  0
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper:         Rotation:  "Rotate_0"
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper:         Connection:  "Connected"
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xcb.helper:         Subpixel Order:  0
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr: XRandROutput 1326 update
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_connected: 0
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_crtc QObject(0x0)
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr:         CRTC: 0
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr:         MODE: 0
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr:         Connection: 0
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr:         Primary: false
apr 24 11:09:17 dill org.kde.KScreen[1568]: kscreen.xrandr: Output 1326 : connected = true , enabled = false
apr 24 11:09:18 dill org.kde.KScreen[1568]: kscreen.xrandr: Emitting configChanged()
apr 24 11:09:18 dill org.kde.KScreen[1568]: kscreen: Primary output changed from KScreen::Output(Id: 108 , Name: "eDP-1" ) ( "eDP-1" ) to KScreen::Output(Id: 108 , Name: "eDP-1" ) ( "eDP-1" )
apr 24 11:09:18 dill sudo[29036]:   martin : TTY=pts/5 ; PWD=/home/martin ; USER=root ; COMMAND=/bin/journalctl

On the other hand, if I plug the HDMI cable directly into the laptop instead of the TB16 dock, I do get an image on the external monitor and journalctl says:

...skipping...
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Connection: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Primary: true
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: Output 108 : connected = true , enabled = true
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: XRandROutput 109 update
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_connected: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_crtc XRandRCrtc(0x11055f0)
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         CRTC: 106
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         MODE: 773
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Connection: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Primary: false
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: Output 109 : connected = true , enabled = true
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: XRandROutput 108 update
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_connected: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_crtc XRandRCrtc(0x11054f0)
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         CRTC: 105
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         MODE: 115
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Connection: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Primary: true
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: Output 108 : connected = true , enabled = true
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: XRandROutput 109 update
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_connected: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_crtc XRandRCrtc(0x11055f0)
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         CRTC: 106
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         MODE: 773
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Connection: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Primary: false
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: Output 109 : connected = true , enabled = true
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: XRandROutput 108 update
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_connected: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_crtc XRandRCrtc(0x11054f0)
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         CRTC: 105
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         MODE: 115
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Connection: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Primary: true
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: Output 108 : connected = true , enabled = true
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: XRandROutput 109 update
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_connected: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_crtc XRandRCrtc(0x11055f0)
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         CRTC: 106
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         MODE: 773
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Connection: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Primary: false
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: Output 109 : connected = true , enabled = true
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: XRandROutput 108 update
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_connected: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_crtc XRandRCrtc(0x11054f0)
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         CRTC: 105
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         MODE: 115
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Connection: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Primary: true
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: Output 108 : connected = true , enabled = true
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: XRandROutput 109 update
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_connected: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         m_crtc XRandRCrtc(0x11055f0)
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         CRTC: 106
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         MODE: 773
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Connection: 0
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr:         Primary: false
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: Output 109 : connected = true , enabled = true
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen.xrandr: Emitting configChanged()
apr 24 11:10:29 dill org.kde.KScreen[1568]: kscreen: Primary output changed from KScreen::Output(Id: 108 , Name: "eDP-1" ) ( "eDP-1" ) to KScreen::Output(Id: 108 , Name: "eDP-1" ) ( "eDP-1" )
apr 24 11:10:37 dill sudo[29147]:   martin : TTY=pts/7 ; PWD=/home/martin ; USER=root ; COMMAND=/bin/journalctl
apr 24 11:10:37 dill sudo[29147]: pam_unix(sudo:session): session opened for user root by martin(uid=0)

So the most apparent thing is that the nouveau driver spits out a lot of timeout warnings when the HDMI is connected to the dock. Perhaps installing the nvidia driver instead might help. I will try that next.

Based on info from another thread, I also tried kernels 4.15.0-43 and 4.15.0-45, but they work even less for me. Then I have no Ethernet connection through the dock, only via the laptop connector, and no wifi.

I have upgraded the firmware of the dock to the latest version.

Does anyone know of a configuration that works with 16.04 and Dell thunderbolt docks?

Under Windows 10, the dock works but the external monitor flickers off and on every now and then.

I just installed Kubuntu 16.04 on a new laptop with an M2 drive and for the first time ever for me, Baloo is working very well.

However, it never returns matches from any of my .org files (plain-text files with org-mode formatting).

Looking at ~/.config/baloofilerc, there is no mention to exclude .org files, and Baloo finds matches in other plain-text files (.tex, for example).

Edit: I have now observed that it also does not return results from .c files! And .c files are also not excluded in baloofilerc.

The files I expect to find are not in hidden dot folders.

More information: I also checked the output of balooctl config list excludeFilters and balooctl config list excludeMimetypes, and there is no mention of org files there. Org files have a text/plain MIME type, so they should not be different from other files. If I copy a file important.org to important.txt, then Baloo immediately finds strings inside it, but not from the .org file.

Is there any way to force include a certain file extension or file type?

I have noticed that after I have used VirtualBox, I cannot suspend my computer. It enters a suspend state, but after a couple of seconds it wakes up again. Only a reboot has been able to solve the problem. I tried killing all processes related to VirtualBox (so that pgrep VBox shows nothing), and also removing the corresponding kernel module (rmmod vboxdrv etc), but the problem did not go away.

I'm using VirtualBox 5.2.12 r122591 installed from virtualbox.org and Kubuntu 16.04.

Edit: I have my virtual HDD on an external USB drive, and after more troubleshooting I just noticed that it is only if after running VBox I disconnect the USB drive that the problem appears. If I reconnect the drive, I can suspend again.

Here is what dmesg says around the time I tried but failed to suspend, without the external USB disk plugged in. Perhaps that "usb4-port2: cannot disable (err = -32)" is a hint? Indeed, with the drive plugged in and suspending successfully, that error message is not present.

[ 5494.368977] wlp3s0: associated
[ 5494.369023] IPv6: ADDRCONF(NETDEV_CHANGE): wlp3s0: link becomes ready
[ 5754.738860] xhci_hcd 0000:00:14.0: Cannot set link state.
[ 5754.738875] usb usb4-port2: cannot disable (err = -32)
[ 5754.738884] usb 4-2: USB disconnect, device number 6
[ 5756.953098] wlp3s0: deauthenticating from 00:a3:8e:2f:c7:0f by local choice (Reason: 3=DEAUTH_LEAVING)
[ 5756.964940] cfg80211: World regulatory domain updated:
[ 5756.964944] cfg80211:  DFS Master region: unset
[ 5756.964945] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 5756.964956] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[ 5756.964958] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[ 5756.964960] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A)
[ 5756.964962] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A)
[ 5756.964965] cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
[ 5756.964967] cfg80211:   (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)
[ 5756.964968] cfg80211:   (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
[ 5756.964969] cfg80211:   (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A)
[ 5767.017337] PM: Syncing filesystems ... done.
[ 5767.518420] PM: Preparing system for sleep (mem)
[ 5768.126947] Freezing user space processes ... (elapsed 0.002 seconds) done.
[ 5768.129146] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
[ 5768.130421] PM: Suspending system (mem)
[ 5768.130439] Suspending console(s) (use no_console_suspend to debug)
[ 5768.130710] sd 2:0:0:0: [sdb] Synchronizing SCSI cache
[ 5768.130734] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[ 5768.132184] sd 2:0:0:0: [sdb] Stopping disk
[ 5768.145600] serial 00:07: disabled
[ 5768.145604] serial 00:07: System wakeup disabled by ACPI
[ 5768.146256] e1000e: EEE TX LPI TIMER: 00000011
[ 5768.146710] sd 0:0:0:0: [sda] Stopping disk
[ 5768.671168] PM: suspend of devices complete after 540.567 msecs
[ 5768.687093] PM: late suspend of devices complete after 15.917 msecs
[ 5768.688913] ehci-pci 0000:00:1d.0: System wakeup enabled by ACPI
[ 5768.689329] ehci-pci 0000:00:1a.0: System wakeup enabled by ACPI
[ 5768.689919] e1000e 0000:00:19.0: System wakeup enabled by ACPI
[ 5768.689933] xhci_hcd 0000:00:14.0: System wakeup enabled by ACPI
[ 5768.704904] PM: noirq suspend of devices complete after 17.805 msecs
[ 5768.705573] ACPI: Preparing to enter system sleep state S3
[ 5768.727262] ACPI : EC: EC stopped
[ 5768.727263] PM: Saving platform NVS memory
[ 5768.727271] Disabling non-boot CPUs ...
[ 5768.727762] Broke affinity for irq 32
[ 5768.728799] smpboot: CPU 1 is now offline
[ 5768.740154] Broke affinity for irq 32
[ 5768.740161] Broke affinity for irq 34
[ 5768.741201] smpboot: CPU 2 is now offline
[ 5768.752172] Broke affinity for irq 32
[ 5768.752177] Broke affinity for irq 34
[ 5768.753216] smpboot: CPU 3 is now offline
[ 5768.764200] Broke affinity for irq 19
[ 5768.764217] Broke affinity for irq 30
[ 5768.764222] Broke affinity for irq 32
[ 5768.764226] Broke affinity for irq 34
[ 5768.765260] smpboot: CPU 4 is now offline
[ 5768.776119] Broke affinity for irq 19
[ 5768.776133] Broke affinity for irq 30
[ 5768.776136] Broke affinity for irq 32
[ 5768.776139] Broke affinity for irq 34
[ 5768.777163] smpboot: CPU 5 is now offline
[ 5768.788073] Broke affinity for irq 19
[ 5768.788086] Broke affinity for irq 28
[ 5768.788089] Broke affinity for irq 30
[ 5768.788092] Broke affinity for irq 32
[ 5768.788096] Broke affinity for irq 34
[ 5768.789118] smpboot: CPU 6 is now offline
[ 5768.799918] Broke affinity for irq 1
[ 5768.799922] Broke affinity for irq 8
[ 5768.799925] Broke affinity for irq 9
[ 5768.799929] Broke affinity for irq 12
[ 5768.799933] Broke affinity for irq 16
[ 5768.799936] Broke affinity for irq 19
[ 5768.799939] Broke affinity for irq 21
[ 5768.799943] Broke affinity for irq 23
[ 5768.799946] Broke affinity for irq 27
[ 5768.799949] Broke affinity for irq 28
[ 5768.799953] Broke affinity for irq 30
[ 5768.799956] Broke affinity for irq 32
[ 5768.799959] Broke affinity for irq 34
[ 5768.800985] smpboot: CPU 7 is now offline
[ 5768.817067] ACPI: Low-level resume complete
[ 5768.817118] ACPI : EC: EC started
[ 5768.817118] PM: Restoring platform NVS memory
[ 5768.818067] microcode: CPU0 microcode updated early to revision 0x20, date = 2018-04-10
[ 5768.818106] Enabling non-boot CPUs ...
[ 5768.837049] x86: Booting SMP configuration:
[ 5768.837050] smpboot: Booting Node 0 Processor 1 APIC 0x2
[ 5768.837767] microcode: CPU1 microcode updated early to revision 0x20, date = 2018-04-10
[ 5768.840330]  cache: parent cpu1 should not be sleeping
[ 5768.840417] CPU1 is up
[ 5768.861080] smpboot: Booting Node 0 Processor 2 APIC 0x4
[ 5768.861795] microcode: CPU2 microcode updated early to revision 0x20, date = 2018-04-10
[ 5768.864368]  cache: parent cpu2 should not be sleeping
[ 5768.864453] CPU2 is up
[ 5768.885123] smpboot: Booting Node 0 Processor 3 APIC 0x6
[ 5768.885837] microcode: CPU3 microcode updated early to revision 0x20, date = 2018-04-10
[ 5768.888434]  cache: parent cpu3 should not be sleeping
[ 5768.888518] CPU3 is up
[ 5768.909171] smpboot: Booting Node 0 Processor 4 APIC 0x1
[ 5768.912152]  cache: parent cpu4 should not be sleeping
[ 5768.912217] CPU4 is up
[ 5768.929096] smpboot: Booting Node 0 Processor 5 APIC 0x3
[ 5768.931966]  cache: parent cpu5 should not be sleeping
[ 5768.932027] CPU5 is up
[ 5768.957122] smpboot: Booting Node 0 Processor 6 APIC 0x5
[ 5768.960016]  cache: parent cpu6 should not be sleeping
[ 5768.960077] CPU6 is up
[ 5768.981169] smpboot: Booting Node 0 Processor 7 APIC 0x7
[ 5768.984186]  cache: parent cpu7 should not be sleeping
[ 5768.984249] CPU7 is up
[ 5768.991398] ACPI: Waking up from system sleep state S3
[ 5769.357834] ehci-pci 0000:00:1a.0: System wakeup disabled by ACPI
[ 5769.358162] xhci_hcd 0000:00:14.0: System wakeup disabled by ACPI
[ 5769.358885] ehci-pci 0000:00:1d.0: System wakeup disabled by ACPI
[ 5769.358981] PM: noirq resume of devices complete after 17.714 msecs
[ 5769.359509] PM: early resume of devices complete after 0.496 msecs
[ 5769.360884] sd 0:0:0:0: [sda] Starting disk
[ 5769.360887] sd 2:0:0:0: [sdb] Starting disk
[ 5769.426192] xhci_hcd 0000:00:14.0: port 3 resume PLC timeout
[ 5769.508517] e1000e 0000:00:19.0: System wakeup disabled by ACPI
[ 5769.522629] rtc_cmos 00:02: System wakeup disabled by ACPI
[ 5769.532733] serial 00:07: activated
[ 5769.577344] usb 4-4: reset SuperSpeed USB device number 2 using xhci_hcd
[ 5769.588916] usb 1-1.5: reset high-speed USB device number 4 using ehci-pci
[ 5769.592968] usb 2-1.5: reset high-speed USB device number 3 using ehci-pci
[ 5769.688940] ata6: SATA link down (SStatus 0 SControl 300)
[ 5769.704943] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 5769.705200] usb 3-4: reset high-speed USB device number 2 using xhci_hcd
[ 5769.708953] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 5769.710212] ata3.00: configured for UDMA/133

I need to specify a different user name when printing in my enterprise environment; e.g. by setting User xxxx in my cups configuration.

I have tried doing sudo su; service cups stop; then editing my printers.conf file to add User xxxx in the options for the printer, and then service cups start. However, within a minute or so, the printers.conf gets overwritten and the User line is removed.

How can I keep this change?

I would very much like to run Okular 1.3 on my Kubuntu 16.04 installation, rather than the old version that comes with 16.04. However, I have not been able to find any backports, and only version 1.0 available as a snap.

Is there any PPA somewhere, or some other way of finding snaps, that might make it possible to run Okular 1.3 under Kubuntu 16?

I have a laptop sceen (LVDS-1-1) and two external monitors: one at work (4k monitor via DisplayPort) and one at home (non-hidpi monitor via HDMI). I'm trying to create a dual-DPI setup using the Arch Wiki. Scaling the external monitors work well with the --scale option to xrandr. However, since my laptop monitor is non-hidpi, I would like to scale up the UI with KDE's system setting, and then scale down the laptop monitor with xrandr, using something like xrandr --output LVDS-1-1 --auto --scale 1.5x1.5. But whichever scale value I provide, even if it is 1x1, xrandr gives me the following error message:

X Error of failed request:  BadValue (integer parameter out of range for operation)
 Major opcode of failed request:  140 (RANDR)
 Minor opcode of failed request:  26 (RRSetCrtcTransform)
 Value in failed request:  0x3f
 Serial number of failed request:  55
 Current serial number in output stream:  56

Does xrandr --scale not work with laptop monitors? Or is there anything else that I can try?

For the record, I'm using an nvidia driver.

I'm trying to use alltray in Kubuntu 16.04, mainly to get Spotify into the tray. But however I start alltray, it only exits with the message "ERROR get classhints". I have tried both alltray, alltray spotify, alltray dolphin, and a number of other options.

Is it possible to use alltray in Kubuntu 16.04?

Using Kubuntu 16.04, I haven't found a way to get to the "Display and Monitor" settings without first going to "System Settings" and then click the display and monitor icon. This annoys be, because I would rather like to have an icon or tray setting (like the old krandrtray) to easily switch monitor configurations.

Is there a way to get to the "Display and Monitor" dialog directly -- via the command line, or some widget?

I'm trying to install mysql-server-5.7 on Kubuntu 16.04, but I'm having trouble.

sudo apt install mysql-server gives the following output.

Setting up mysql-server-5.7 (5.7.18-0ubuntu0.16.04.1) ...
Renaming removed key_buffer and myisam-recover options (if present)
Job for mysql.service failed because the control process exited with error code. See "systemctl status mysql.service" and "journalctl -xe" for details.
invoke-rc.d: initscript mysql, action "start" failed.
● mysql.service - MySQL Community Server
   Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
   Active: activating (auto-restart) (Result: exit-code) since ons 2017-05-17 09:48:39 CEST; 10ms ago
  Process: 13622 ExecStartPost=/usr/share/mysql/mysql-systemd-start post (code=exited, status=0/SUCCESS)
  Process: 13621 ExecStart=/usr/sbin/mysqld (code=exited, status=2)
  Process: 13612 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre (code=exited, status=0/SUCCESS)
 Main PID: 13621 (code=exited, status=2)

maj 17 09:48:39 anis systemd[1]: Failed to start MySQL Community Server.
maj 17 09:48:39 anis systemd[1]: mysql.service: Unit entered failed state.
maj 17 09:48:39 anis systemd[1]: mysql.service: Failed with result 'exit-code'.
dpkg: error processing package mysql-server-5.7 (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of mysql-server:
 mysql-server depends on mysql-server-5.7; however:
  Package mysql-server-5.7 is not configured yet.

dpkg: error processing package mysql-server (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 mysql-server-5.7
 mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)

And when trying to troubleshoot by running journalctl -xe I get output like the following, which seems to indicate that AppArmor is giving me trouble.

maj 17 09:53:14 anis systemd[1]: Starting MySQL Community Server...
-- Subject: Unit mysql.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit mysql.service has begun starting up.
maj 17 09:53:14 anis audit[14767]: AVC apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/proc/14767/status" pid=14767 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=124 ouid=124
maj 17 09:53:14 anis audit[14767]: AVC apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/sys/devices/system/node/" pid=14767 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=124 ouid=0
maj 17 09:53:14 anis kernel: audit: type=1400 audit(1495007594.314:240): apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/proc/14767/status" pid=14767 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=124 ouid=124
maj 17 09:53:14 anis kernel: audit: type=1400 audit(1495007594.314:241): apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/sys/devices/system/node/" pid=14767 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=124 ouid=0
maj 17 09:53:14 anis kernel: audit: type=1400 audit(1495007594.314:242): apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/proc/14767/status" pid=14767 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=124 ouid=124
maj 17 09:53:14 anis audit[14767]: AVC apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/proc/14767/status" pid=14767 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=124 ouid=124
maj 17 09:53:14 anis audit[14767]: AVC apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/proc/14767/task/14767/mem" pid=14767 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=124 ouid=124
maj 17 09:53:14 anis kernel: audit: type=1400 audit(1495007594.658:243): apparmor="DENIED" operation="open" profile="/usr/sbin/mysqld" name="/proc/14767/task/14767/mem" pid=14767 comm="mysqld" requested_mask="r" denied_mask="r" fsuid=124 ouid=124
maj 17 09:53:14 anis systemd[1]: mysql.service: Main process exited, code=exited, status=2/INVALIDARGUMENT

How could I go about solving this issue?

In Kubuntu 16.04 (with Plasma 5.8) I cannot clone my laptop monitor to an external display. There is a setting "Unify outputs" which will set both monitors to the same resolution, but they are still arranged side by side, and not cloned.

I can clone the output from the command line using something like xrandr --output VGA1 --same-as LVDS1 but it would be nice to be able to do it also from the GUI, the way it used to be possible before 16.04.

I can no longer set duplex and other printer options (Kubuntu 16.04).

I have a Ricoh Aficio SP 4310N printer, with the matching driver selected as in the screenshots below. The only option I have under "Printer Options" is to query the printer for the default options. However, when I click that, I job gets sent with the name "Set Default Options", which fails with status "Filter failed".

Printing stuff in general works well, but because of this I cannot change the double-sided printing options.

What could be the issue, or where could I start troubleshooting?

Edit: I recently found that LibreOffice can print double-sidedly, which also lead me to find that lpr -o sides=two-sided-long-edge document.pdf works and prints double-sidedly. (I found out via https://bugzilla.redhat.com/show_bug.cgi?id=1530244.) The remaining question is why the print dialogs in all other programs, both KDE and Gnome, have the duplex printing option disabled.

Running Kubuntu 16.04 with nvidia-367, I'm experiencing redraw glitches, especially on my external monitor (connected with VGA). When scrolling, it is clearly visible that the window is drawn from two triangles, and the diagonal line connecting the two is apparent. The effect is less visible on the 1920x1080 laptop display than on the 1680x1050 external monitor, but it is present on both.

For example, it happens when scrolling maximised browser window, or when scrolling a PDF in Okular; but also other times.

I don't see the same symptom when using the default graphics drivers.

I have tried changing the compositor settings in "System Settings". I'm using "Accurate" scale method, "OpenGL 3.1" rendering backend with "GLX". I have tried all the different settings for vsync.

Is this a known problem?

Small update: I installed Plasma 5.8 (from Kubuntu backports) and nvidia-340. (After doing so I had to replace sddm with lightdm because sddm would segfault with the nvidia drivers installed.) Now I have the same problem but on the laptop monitor (LVDS-1-1) instead of the external monitor (VGA-1-1).

I'm trying to set up redmine (locally) using kubuntu 14.04, and followed the instructions from redmine.org. Installing redmine 2.4.2 from the Kubuntu repositories works fine. Then I also did sudo apt-get install bundler and sudo gem install bundler. But then I am supposed to run bundle install --without development test, which fails with the message Bundler::GemfileNotFound.

More specifically, bundle install --verbose --without development test gives the following output

Bundler::GemfileNotFound
Bundler::GemfileNotFound: Bundler::GemfileNotFound
/usr/lib/ruby/vendor_ruby/bundler/settings.rb:16:in `[]='
/usr/lib/ruby/vendor_ruby/bundler/settings.rb:79:in `without='
/usr/lib/ruby/vendor_ruby/bundler/cli.rb:237:in `install'
/usr/lib/ruby/vendor_ruby/thor/command.rb:27:in `run'
/usr/lib/ruby/vendor_ruby/thor/invocation.rb:121:in `invoke_command'
/usr/lib/ruby/vendor_ruby/thor.rb:363:in `dispatch'
/usr/lib/ruby/vendor_ruby/thor/base.rb:440:in `start'
/usr/bin/bundle:20:in `block in <main>'
/usr/lib/ruby/vendor_ruby/bundler/friendly_errors.rb:3:in `with_friendly_errors'
/usr/bin/bundle:20:in `<main>'

Then what can I do?

I have an old bzip file that I need to unpack. However, I can only seem to find bunzip2, which does not read this bzip file.

I have not been able to find any program that handles bzip files. Is there really nothing modern that can read such a file?

I have a PDF with a link to a web page, that used to work (it would open the link in firefox, via xdg-open). However, when I click it now, literally thousands of xdg-open processes are started and plasma-desktop runs at 100% cpu.

I don't know how to start troubleshooting this. What could cause this issue?

An example of a problem PDF is here.

Here is a screenshot of what happens. Note the corrupted taskbar due to thousands of xdg-open instances

In KDE, I have noticed that GTK programs don't use the locale settings I specify in the KDE system settings, but rather the system-wide default locale. I want to change this behavior for Thunderbird, in particular.

I can do this in a terminal by running export LANG=sv_SE.UTF-8; nice thunderbird but I cannot figure out how to apply these settings when launching Thunderbird from the KDE kicker menu.