Search found 94 matches

by harrywangca
2020/11/02 22:27:09
Forum: CentOS 7 - General Support
Topic: installation panic, how to patch a kernel
Replies: 2
Views: 98

Re: installation panic, how to patch a kernel

Hi TrevorH, Thanks for reply. I tried CentOS 7.8 but still have the same kernel panic issue. I also see the patch is like nvme.diff which is remove the line: dma_set_attr(DMA_ATTR_NO_WARN, &attrs); I tried to follow: https://wiki.centos.org/HowTos/I_need_the_Kernel_Source to download kernel source: ...
by harrywangca
2020/10/30 16:22:05
Forum: CentOS 7 - General Support
Topic: installation panic, how to patch a kernel
Replies: 2
Views: 98

installation panic, how to patch a kernel

I am going to install a CentOS 7.6 onto a Dell Laptop 5500, when power on to install and right away see kernel panic and found in the backTrace: kernel bug at include/linux/dma-attrs.h:53! The situation is the same as: https://bugs.centos.org/view.php?id=15497 He already loaded CentOS and upgrade to...
by harrywangca
2020/10/29 06:26:20
Forum: CentOS 8 - General Support
Topic: How to have a static IP
Replies: 2
Views: 354

Re: How to have a static IP

Thank you jlehtone for the quick reply. I installed NetworkManager-config-server package and it works. Thank you again.
by harrywangca
2020/10/28 21:39:25
Forum: CentOS 8 - General Support
Topic: How to have a static IP
Replies: 2
Views: 354

How to have a static IP

I am running CentOS 8.2 and configure net interface file with as followings I usually did: TYPE=Ethernet BOOTPROTO=static IPADDR=10.0.0.8 NETMASK=255.255.255.0 NAME=eth0 DEVICE=eth0 ONBOOT=yes I will have a static ip 10.0.0.8 with a cable plugged in but I will NOT have a static ip when a cable unplu...
by harrywangca
2020/09/10 17:09:54
Forum: CentOS 8 - General Support
Topic: messages log timestamp goes back to older time
Replies: 1
Views: 273

messages log timestamp goes back to older time

Hello, I have an interesting thing that I see kernel messages log file timestamp has difference: Sep 3 16:37:44 VST100114 pulseaudio[1753]: E: [pulseaudio] bluez5-util.c: GetManagedObjects() failed: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote appl...
by harrywangca
2020/09/03 06:35:43
Forum: CentOS 8 - General Support
Topic: How to disable short-cut key Ctrl+Alt-Fn switch to virtual terminal
Replies: 1
Views: 194

Re: How to disable short-cut key Ctrl+Alt-Fn switch to virtual terminal

So far I configure file: /etc/systemd/logind.conf as followings: NAutoVTs=0 ---> disable auto allocate vertual terminal ReserveVT=0 ---> disable reserve virtual terminal reboot the machine it works. But when i enable it just Add # sign to both of them to reboot, then disable again, this time it won'...
by harrywangca
2020/09/01 23:12:04
Forum: CentOS 8 - General Support
Topic: How to disable short-cut key Ctrl+Alt-Fn switch to virtual terminal
Replies: 1
Views: 194

How to disable short-cut key Ctrl+Alt-Fn switch to virtual terminal

Hello everyone, Does anyone know how to disable switch to virtual terminal via short cut keys: Ctrl+Alt+Fn? Before I used X11 display server and just config as following and it will prevent switch to VT. Section "ServerFlags" Option "DontVTSwitch" "on" EndSection Right now if I want keep Wayland dis...
by harrywangca
2020/08/26 00:55:58
Forum: CentOS 8 - General Support
Topic: CentOS 8 folders/files timestamp
Replies: 0
Views: 147

CentOS 8 folders/files timestamp

I recently confronted an interesting case. in CentOS 8 I am running. everything is running well, I check timedatectl [root@localhost ~]# timedatectl Local time: Tue 2020-08-25 17:48:43 PDT Universal time: Wed 2020-08-26 00:48:43 UTC RTC time: Wed 2020-08-26 00:48:43 Time zone: America/Los_Angeles (P...
by harrywangca
2020/08/25 15:37:07
Forum: CentOS 8 - General Support
Topic: CentOS 8 how to disable Gesture
Replies: 0
Views: 110

CentOS 8 how to disable Gesture

Hi Team, I am runnning CentOS 8 with touch screen. we know there's a built-in gesture as part of GNOME that opens the Activities menu when you swipe right, starting at the left edge of the screen and when swipe screen will go to desktop dash and hide my application. Anyone know how to disable his sw...
by harrywangca
2020/08/24 22:59:06
Forum: CentOS 8 - General Support
Topic: Touch screen wipe issue
Replies: 2
Views: 139

Re: Touch screen wipe issue

Hi TrevorH, Thanks for reply. Yah I am updating to 8.2 now. SO I am running my application and want to lock the screen. but when my finger slide from left to right on the touch screen, my running application hide and it shows Desktop to me. Do you know how to disable this touch slide or lock my runi...

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