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Raspberry PI3 - CentOS armv7hl gnome desktop
by Paul R. Ganci 02 Jan '17

02 Jan '17

Maybe there is a better place to post this message but as my question was still CentOS related thought I would start here. Please advise if there is a better forum of which to ask this question. I am playing around with making a "desktop" workstation out of a Raspberry PI3. I have had no problems installing the OS and pretty much have everything working except a Gnome desktop. I did: > yum groupinstall "GNOME Desktop" and from what I can tell everything necessary is installed. However when I try to start X up I see it try and start, the display blinks as if everything is good and then drops back down to the console. The log file shown below shows a single error ([ 2665.952] (EE) AIGLX: reverting to software rendering). [ 2665.710] X.Org X Server 1.17.2 Release Date: 2015-06-16 [ 2665.725] X Protocol Version 11, Revision 0 [ 2665.731] Build Operating System: 4.5.7-fedora-4 [ 2665.736] Current Operating System: Linux centos-rpi3 4.4.33-v7.1.el7 #1 SMP Mon Nov 21 18:48:06 UTC 2016 armv7l [ 2665.736] Kernel command line: 8250.nr_uarts=0 dma.dmachans=0x7f35 bcm2708_fb.fbwidth=1872 bcm2708_fb.fbheight=1168 bcm2709.boardrev=0xa22082 bcm2709.serial=0x54bd9ed0 smsc95xx.macaddr=B8:27:EB:BD:9E:D0 bcm2708_fb.fbswap=1 bcm2709.uart_clock=48000000 vc_mem.mem_base=0x3dc00000 vc_mem.mem_size=0x3f000000 dwc_otg.lpm_enable=0 console=ttyS0,115200 console=tty1 root=/dev/mmcblk0p3 rootfstype=ext4 elevator=deadline rootwait selinux=1 security=selinux enforcing=0 [ 2665.756] Build Date: 09 November 2016 05:46:31PM [ 2665.763] Build ID: xorg-x11-server 1.17.2-22.el7 [ 2665.769] Current version of pixman: 0.34.0 [ 2665.783] Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. [ 2665.783] Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. [ 2665.812] (==) Log file: "/var/log/Xorg.1.log", Time: Sat Dec 31 20:08:58 2016 [ 2665.819] (==) Using config file: "/etc/X11/xorg.conf" [ 2665.827] (==) Using system config directory "/usr/share/X11/xorg.conf.d" [ 2665.828] (==) ServerLayout "Default Layout" [ 2665.828] (**) |-->Screen "Screen0" (0) [ 2665.828] (**) | |-->Monitor "Monitor0" [ 2665.829] (**) | |-->Device "VideocoreIV" [ 2665.829] (**) |-->Input Device "Keyboard0" [ 2665.829] (==) Automatically adding devices [ 2665.829] (==) Automatically enabling devices [ 2665.830] (==) Automatically adding GPU devices [ 2665.830] (==) Max clients allowed: 256, resource mask: 0x1fffff [ 2665.830] (==) FontPath set to: catalogue:/etc/X11/fontpath.d, built-ins [ 2665.830] (==) ModulePath set to "/usr/lib/xorg/modules" [ 2665.830] (II) The server relies on udev to provide the list of input devices. If no devices become available, reconfigure udev or disable AutoAddDevices. [ 2665.830] (WW) Hotplugging is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled. [ 2665.830] (WW) Disabling Keyboard0 [ 2665.830] (II) Loader magic: 0x54cf7004 [ 2665.830] (II) Module ABI versions: [ 2665.830] X.Org ANSI C Emulation: 0.4 [ 2665.830] X.Org Video Driver: 19.0 [ 2665.830] X.Org XInput driver : 21.0 [ 2665.830] X.Org Server Extension : 9.0 [ 2665.831] (II) no primary bus or device found [ 2665.831] (II) LoadModule: "glx" [ 2665.832] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so [ 2665.855] (II) Module glx: vendor="X.Org Foundation" [ 2665.855] compiled for 1.17.2, module version = 1.0.0 [ 2665.855] ABI class: X.Org Server Extension, version 9.0 [ 2665.855] (==) AIGLX enabled [ 2665.855] (II) LoadModule: "fbdev" [ 2665.856] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so [ 2665.857] (II) Module fbdev: vendor="X.Org Foundation" [ 2665.857] compiled for 1.17.2, module version = 0.4.3 [ 2665.857] Module class: X.Org Video Driver [ 2665.857] ABI class: X.Org Video Driver, version 19.0 [ 2665.857] (II) FBDEV: driver for framebuffer: fbdev [ 2665.857] (++) using VT number 1 [ 2665.857] (WW) Falling back to old probe method for fbdev [ 2665.857] (II) Loading sub module "fbdevhw" [ 2665.857] (II) LoadModule: "fbdevhw" [ 2665.858] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so [ 2665.859] (II) Module fbdevhw: vendor="X.Org Foundation" [ 2665.859] compiled for 1.17.2, module version = 0.0.2 [ 2665.859] ABI class: X.Org Video Driver, version 19.0 [ 2665.859] (II) FBDEV(0): using default device [ 2665.859] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support [ 2665.860] (**) FBDEV(0): Depth 24, (--) framebuffer bpp 32 [ 2665.860] (==) FBDEV(0): RGB weight 888 [ 2665.860] (==) FBDEV(0): Default visual is TrueColor [ 2665.860] (==) FBDEV(0): Using gamma correction (1.0, 1.0, 1.0) [ 2665.860] (II) FBDEV(0): hardware: BCM2708 FB (video memory: 8541kB) [ 2665.860] (II) FBDEV(0): checking modes against framebuffer device... [ 2665.860] (II) FBDEV(0): mode "1920x1200" not found [ 2665.860] (II) FBDEV(0): mode "1600x1200" ok [ 2665.860] (II) FBDEV(0): mode "1280x1024" ok [ 2665.860] (II) FBDEV(0): mode "1152x864" ok [ 2665.860] (II) FBDEV(0): mode "1024x768" ok [ 2665.861] (II) FBDEV(0): mode "800x600" ok [ 2665.861] (II) FBDEV(0): mode "720x400" ok [ 2665.861] (II) FBDEV(0): mode "640x480" ok [ 2665.861] (II) FBDEV(0): checking modes against monitor... [ 2665.861] (--) FBDEV(0): Virtual size is 1600x1200 (pitch 1600) [ 2665.861] (**) FBDEV(0): Default mode "1600x1200": 162.0 MHz (scaled from 0.0 MHz), 75.0 kHz, 60.0 Hz [ 2665.861] (II) FBDEV(0): Modeline "1600x1200"x0.0 162.00 1600 1664 1856 2160 1200 1201 1204 1250 +hsync +vsync (75.0 kHz d) [ 2665.861] (**) FBDEV(0): Default mode "1280x1024": 108.0 MHz (scaled from 0.0 MHz), 64.0 kHz, 60.0 Hz [ 2665.861] (II) FBDEV(0): Modeline "1280x1024"x0.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz d) [ 2665.861] (**) FBDEV(0): Default mode "1152x864": 108.0 MHz (scaled from 0.0 MHz), 67.5 kHz, 75.0 Hz [ 2665.861] (II) FBDEV(0): Modeline "1152x864"x0.0 108.00 1152 1216 1344 1600 864 865 868 900 +hsync +vsync (67.5 kHz d) [ 2665.861] (**) FBDEV(0): Default mode "1024x768": 65.0 MHz (scaled from 0.0 MHz), 48.4 kHz, 60.0 Hz [ 2665.861] (II) FBDEV(0): Modeline "1024x768"x0.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz d) [ 2665.861] (**) FBDEV(0): Default mode "800x600": 36.0 MHz (scaled from 0.0 MHz), 35.2 kHz, 56.2 Hz [ 2665.861] (II) FBDEV(0): Modeline "800x600"x0.0 36.00 800 824 896 1024 600 601 603 625 +hsync +vsync (35.2 kHz d) [ 2665.862] (**) FBDEV(0): Default mode "640x480": 25.2 MHz (scaled from 0.0 MHz), 31.5 kHz, 59.9 Hz [ 2665.862] (II) FBDEV(0): Modeline "640x480"x0.0 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz d) [ 2665.862] (**) FBDEV(0): Display dimensions: (518, 324) mm [ 2665.862] (**) FBDEV(0): DPI set to (78, 94) [ 2665.862] (II) Loading sub module "fb" [ 2665.862] (II) LoadModule: "fb" [ 2665.863] (II) Loading /usr/lib/xorg/modules/libfb.so [ 2665.864] (II) Module fb: vendor="X.Org Foundation" [ 2665.864] compiled for 1.17.2, module version = 1.0.0 [ 2665.865] ABI class: X.Org ANSI C Emulation, version 0.4 [ 2665.865] (**) FBDEV(0): using shadow framebuffer [ 2665.865] (II) Loading sub module "shadow" [ 2665.865] (II) LoadModule: "shadow" [ 2665.865] (II) Loading /usr/lib/xorg/modules/libshadow.so [ 2665.865] (II) Module shadow: vendor="X.Org Foundation" [ 2665.865] compiled for 1.17.2, module version = 1.1.0 [ 2665.866] ABI class: X.Org ANSI C Emulation, version 0.4 [ 2665.866] (==) Depth 24 pixmap format is 32 bpp [ 2665.892] (==) FBDEV(0): Backing store enabled [ 2665.894] (**) FBDEV(0): DPMS enabled [ 2665.894] (==) RandR enabled [ 2665.945] (II) SELinux: Disabled by boolean [ 2665.952] (II) AIGLX: Screen 0 is not DRI2 capable [ 2665.952] (EE) AIGLX: reverting to software rendering [ 2665.998] (II) AIGLX: Loaded and initialized swrast [ 2665.998] (II) GLX: Initialized DRISWRAST GL provider for screen 0 [ 2666.260] (II) config/udev: Adding input device CM Storm QuickFire Rapid keyboard (/dev/input/event0) [ 2666.260] (**) CM Storm QuickFire Rapid keyboard: Applying InputClass "evdev keyboard catchall" [ 2666.260] (II) LoadModule: "evdev" [ 2666.261] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so [ 2666.263] (II) Module evdev: vendor="X.Org Foundation" [ 2666.263] compiled for 1.17.2, module version = 2.9.2 [ 2666.264] Module class: X.Org XInput Driver [ 2666.264] ABI class: X.Org XInput driver, version 21.0 [ 2666.264] (II) Using input driver 'evdev' for 'CM Storm QuickFire Rapid keyboard' [ 2666.264] (**) CM Storm QuickFire Rapid keyboard: always reports core events [ 2666.264] (**) evdev: CM Storm QuickFire Rapid keyboard: Device: "/dev/input/event0" [ 2666.264] (--) evdev: CM Storm QuickFire Rapid keyboard: Vendor 0x2516 Product 0x4 [ 2666.265] (--) evdev: CM Storm QuickFire Rapid keyboard: Found keys [ 2666.265] (II) evdev: CM Storm QuickFire Rapid keyboard: Configuring as keyboard [ 2666.265] (**) Option "config_info" "udev:/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.3/1-1.3.1/1-1.3.1:1.0/0003:2516:0004.000E/input/input13/event0" [ 2666.265] (II) XINPUT: Adding extended input device "CM Storm QuickFire Rapid keyboard" (type: KEYBOARD, id 6) [ 2666.265] (**) Option "xkb_rules" "evdev" [ 2666.270] (II) config/udev: Adding input device CM Storm QuickFire Rapid keyboard (/dev/input/event1) [ 2666.270] (**) CM Storm QuickFire Rapid keyboard: Applying InputClass "evdev keyboard catchall" [ 2666.270] (II) Using input driver 'evdev' for 'CM Storm QuickFire Rapid keyboard' [ 2666.270] (**) CM Storm QuickFire Rapid keyboard: always reports core events [ 2666.270] (**) evdev: CM Storm QuickFire Rapid keyboard: Device: "/dev/input/event1" [ 2666.271] (--) evdev: CM Storm QuickFire Rapid keyboard: Vendor 0x2516 Product 0x4 [ 2666.271] (--) evdev: CM Storm QuickFire Rapid keyboard: Found keys [ 2666.271] (II) evdev: CM Storm QuickFire Rapid keyboard: Configuring as keyboard [ 2666.271] (**) Option "config_info" "udev:/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.3/1-1.3.1/1-1.3.1:1.1/0003:2516:0004.000F/input/input14/event1" [ 2666.271] (II) XINPUT: Adding extended input device "CM Storm QuickFire Rapid keyboard" (type: KEYBOARD, id 7) [ 2666.271] (**) Option "xkb_rules" "evdev" [ 2666.623] (II) evdev: CM Storm QuickFire Rapid keyboard: Close [ 2666.623] (II) UnloadModule: "evdev" [ 2666.623] (II) evdev: CM Storm QuickFire Rapid keyboard: Close [ 2666.623] (II) UnloadModule: "evdev" [ 2666.703] (II) Server terminated successfully (0). Closing log file. I used this /etc.X11/xorg.conf: Section "ServerLayout" Identifier "Default Layout" Screen 0 "Screen0" 0 0 InputDevice "Keyboard0" "CoreKeyboard" EndSection Section "InputDevice" Identifier "Keyboard0" Driver "kbd" Option "XkbModel" "pc105" Option "XkbLayout" "us" EndSection Section "Device" Identifier "VideocoreIV" VendorName "Broadcom" BoardName "RPI3Graphics" Driver "fbdev" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Dell" ModelName "Ultrasharp U2410" DisplaySize 518 324 HorizSync 30.0 - 81.0 VertRefresh 56.0 - 75.0 Option "DPMS" EndSection Section "Screen" Identifier "Screen0" Device "VideocoreIV" Monitor "Monitor0" DefaultDepth 24 SubSection "Display" Viewport 0 0 Depth 24 Modes "1920x1200" "1600x1200" "1280x1024" "1152x864" "1024x768" "800x600" "720x400" "640x480" EndSubSection EndSection Does anybody see what I am doing wrong? Like I said it looks like the desktop wants to startup but then just crshes. Thanks for your help. Paul (ganci(a)nurdog.com) Cell: (303)257-5208

3 3

Adobereader on Centos7 crashes
by johan.vermeulen7＠telenet.be 01 Jan '17

01 Jan '17

Hello All, I can't get Adobe Reader to run stable on Centos7, when trying to edit settings or trying to print, it crashes. The issue is people need to digitally sign pdf forms. When I open these forms with anything else then Adobereader, I get EM To view the full contents of this document, you need a later version of the PDF viewer. You can upgrade to the latest version of Adobe Reader from www.adobe.com/products/acrobat/readstep2.html I spent a lot of time trying to solve this with other pdf viewers, including google-chrome and Foxit, and trickery with ps2pdf and Pdfedit. Nothing works. I installed Adobereader following this: https://www.if-not-true-then-false.com/2010/install-adobe-acrobat-pdf-reade… The signing of these forms is vital to my organization, so any help would be appreciated. Greetings, J.

3 3

chronyd configuration as a local ntp server
by Phil Amy 30 Dec '16

30 Dec '16

Robert, If your NTP server will be on 7/24, I would uninstall chrony and install ntpd which is still included in CentOS 7. Configure as usual. For the differences between chrony and ntpd reference: http://thegeekdiary.com/centos-rhel-7-chrony-vs-ntp-differences-between-ntp… Essentially, chrony is more for laptops with intermittant network connections, and ntpd is better suited to always-on servers

2 1

php-fpm user other than webserver user?
by Matthias Leopold 29 Dec '16

29 Dec '16

Hi, I don't really know where to post this, i'll try here since i use both CentOS and RHEL... I'd like to know how others handle the setup of Apache httpd and PHP-FPM when the PHP-FPM user is different from the webserver user. This is the case in the default configuration of IUS PHP-FPM packages (not in stock CentOS/RHEL). So I have httpd running as 'apache' and PHP running as 'php-fpm'. I'm aware of special use cases where a configurable PHP user is a nice feature, but how do i handle filesystem setup for this default configuration in a pretty and secure way? Do people use it like that or do they change PHP-FPM user back to 'apache' (like in RH packages)? All of the setups i tried (eg. using ACLs) don't really look "pretty" and "robust", something I'd like to have when using "default" configurations. I hope I'm not thinking too complicated... Thanks for feedback matthias

1 0

C7 Mate - files suddenly moved back onto desktop
by Frank Cox 29 Dec '16

29 Dec '16

My wife sometimes puts files on her desktop to work with them, then cut-and-pastes the file to put it into a folder when she's done. This morning she has seven files on her desktop that she has worked on over the course of the past week. They have suddenly, overnight, moved out of the folders that she had put them into and moved onto her desktop! They are no longer in the folders that she put them into. I told her to log out and log back in since I'm guessing that the Caja file manager may be somehow at fault. Does anyone have any ideas about what else it could be? Some kind of cross-linking on her hard drive? -- MELVILLE THEATRE ~ Real D 3D Digital Cinema ~ www.melvilletheatre.com

2 1

Centos7.3-Mate
by johan.vermeulen7＠telenet.be 29 Dec '16

29 Dec '16

Hello All, I have this problem starting Centos7.3 - the official name escapes me at the moment. I often install Centos7 Minimal, then X Window System, then Mate desktop. This last step gives me trouble, and I have to run # yum groupinstall mate --skip-broken output: skipped packages: NetworkManager-I2tp ldns libreswan unbound-libs xl2tpd I realise this is probably an issue for EPEL or Mate. Happy hollidays J.

2 2

CentOS 7 and systemd: SysV initscript: how detect boot vs. interactive use?
by whitivery 28 Dec '16

28 Dec '16

Moving from CentOS 5 to CentOS 7, discovered that a test in a SysV initscript for whether it is running interactively, instead of at boot time, no longer works. Under CentOS 7 / systemd, is there some way for the initscript to know this?

3 5

GRE based attack?
by Robert Moskowitz 28 Dec '16

28 Dec '16

My new Centso7 server that I am testing out is connected with a public address on my dmz. I am connected to the console port. Overnight the following message was logged to the console: [44133.679108] conntrack: generic helper won't handle protocol 47. Please consider loading the specific helper module. Protocol 47 is GRE. So was this 'just' an a ping by an attacker? No one, but I have any business on this server. Well other than the files I put up for people. thanks

1 0

nVidia K1200 on Centos
by H 28 Dec '16

28 Dec '16

Can anyone confirm that the above 4-port card is supported at its full resolution and capabilities under CentOS 6 and/or 7? The card has four DisplayPort 1.2 connectors, each capable of driving a 4K monitor. Thank you.

3 2

chronyd configuration as a local ntp server
by Robert Moskowitz 27 Dec '16

27 Dec '16

This is for centos 7 that has chronyd 2.1.1 I am looking into how to use chronyd as my local ntp server. On my old servers with ntpd I had local access control lines like: restrict 192.168.128.0 mask 255.255.255.0 nomodify notrap But in looking for documentation on chronyd I did not find anything on this at: https://chrony.tuxfamily.org/doc/2.1/manual.html In the actual /etc/chronyd.conf there is the sample line: # Allow NTP client access from local network. #allow 192.168/16 Does this allow only allow queries? Does chronyd support the 'restrict' option? thank you

3 4

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