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686 discussions

What is ifcfg-link?
by Robert Moskowitz 03 Aug '18

03 Aug '18

I went looking for /etc/sysconfig/network-scripts/ifcfg-eth0 to set it up for static addressing. Instead I found ifcfg-link What is this? In the past I was usin nmcli: ifname=eth0 nmcli con delete $ifname nmcli con add type ethernet con-name $ifname ifname $ifname ip4 $your_ipv4_address/$your_ipv4_prefix gw4 $your_ipv4_gateway nmcli con mod $ifname ipv4.dns "$your_ipv4_dns1 $your_ipv4_dns2" # optionally set your MAC address # your_mac= # nmcli con mod $ifname mac "$your_mac" nmcli con up $ifname (that con add above is line wrapping in this email) ip a shows eth0; do I just use my nmcli script as I did for the 1611 image? thanks

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Machiatobin network interfaces
by Skorpeo Skorpeo 03 Aug '18

03 Aug '18

Hi, I was able to install centos on the machiatobin using the iso via efi. However no network interfaces show up, I also tried to plug in a usb wifi adapter, it is recognized in dmesg but still no network interface with command ip a (only shows loopback device) or cat /proc/net/dev. Any pointers greatly appreciated. I also tried going into bios and selecting ACPI setting in the device manager menu but no change... Also, as an aside, to be able to install using the iso I had to add kernel parameter console=ttyS0,115200n8 on boot as per this post: http://macchiatobin.net/forums/topic/feedback-on-uefi-boot-with-mini-iso/. Wasn't sure if it would be helpful to document that. Incidentally, that poster also saw no network interfaces. Thanks much.

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update-boot?
by Robert Moskowitz 03 Aug '18

03 Aug '18

The wiki says: Before centos-userland-release-7-5.1804, in order to activate the new kernel and edit /boot/extlinux/extlinux.conf, you had to run /usr/bin/update-boot. This is no longer valid and it is done automatically by grubby. But I just happened to look at /boot/grub/grub.conf default=0 timeout=5 splashimage=(hd0,1)/grub/splash.xpm.gz hiddenmenu title CentOS-Userland-7-armv7hl-generic-GNOME-1804 (4.14.28-201.el7.centos.armv7hl) root (hd0,1) kernel /vmlinuz-4.14.28-201.el7.centos.armv7hl ro root=UUID=be2c9311-e289-4cab-b878-89b522144d70 initrd /initramfs-4.14.28-201.el7.centos.armv7hl.img And I did the yum update that installed the 4.14.52 kernel. Should I run update-boot? /boot/klist.txt has: 4.14.28-201.el7.centos.armv7hl 4.14.52-201.el7.armv7hl

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Request for the Xfce desktop
by Robert Moskowitz 02 Aug '18

02 Aug '18

I am a proponent of Xfce, especially for armv7 boards. I got introduced to Xfce with Fedora-arm 19 (or was it 18 or even 17?). I did the Gnome image install, dropped to runlevel 3, installed vncserver, and do get the gnome desktop with my notebook taking most of the performance hit. But having at least the option of installing the minimal image then doing a group install "Xfce Desktop" would be great. BTW, I did 'yum list >y.lst' and 'grep -i xfce y.lst' and came up empty handed. Is Xfce even built for arm? thanks

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Extending partition on SD card on Rpi-3
by vamsi krishna 01 Aug '18

01 Aug '18

Hi Team, Being new to the Linux world, I have installed Centos for R Pi3 on a 16gb microSD card, and partitions are done by default, leaving less space for root file system. Here is what I get. This is the second time I am running into this issue. Can anyone help me with the steps to increase the size for /dev/root to 6G please. Operating System: CentOS Linux 7 (Core) CPE OS Name: cpe:/o:centos:centos:7 Kernel: Linux 4.14.27-v7.1.el7 Architecture: arm [root@rpi ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/root 1.4G 999M 347M 75% / devtmpfs 460M 0 460M 0% /dev tmpfs 464M 0 464M 0% /dev/shm tmpfs 464M 12M 452M 3% /run tmpfs 464M 0 464M 0% /sys/fs/cgroup /dev/mmcblk0p1 667M 43M 625M 7% /boot tmpfs 93M 0 93M 0% /run/user/0 Any help is highly appreciated. -- Have a nice day. Thanks and regards, Vamsi, Skype @ kvamsi.k143 +91-9704433304.

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More on How to install CentOS Userland armv7hl
by Robert Moskowitz 01 Aug '18

01 Aug '18

One change, perhaps, on the dd of the image. is it possible for the progress to be reported in MB, rather than bytes? It would be more valuable to humans (kind of like the -h option in some commands). thanks

1 0

uboot location
by Robert Moskowitz 31 Jul '18

31 Jul '18

Hello, I am back after a fairly long time doing other stuff. I am working on building from the 1804 generic images for my Cubieboards. I am following: https://wiki.centos.org/SpecialInterestGroup/AltArch/armhfp My notebook is Fedora 28, and dnf install uboot-images-armv7 uboot-images-armv8 works, but puts the uboot in a different place than noted in the wiki. On Fedora, they are going in /usr/share/uboot/ Is the wiki correct for what Centos is placing them? thanks

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Broken package?
by Chris Smith 30 Jul '18

30 Jul '18

Hello, I've run across this while trying to do " yum groupinstall "Development Tools" ". I'm trying to install "systemtap-devel-3.2-8.el7_5.armv7hl" and it's saying: Error: Package: systemtap-devel-3.2-8.el7_5.armv7hl (updates) Requires: kernel-devel-uname-r I think maybe somehow "$(uname -r)" isn't being expressed correctly? Thanks, Chris S

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1804 image
by Philip Manuel 30 Jul '18

30 Jul '18

Hi, I've just installed this image for a RPi 3. It boots without issue, but when I do a yum update it segfaults. Is there away around this ? Regards Phil

3 4

bluez-5.44 needs support for RaspberryPi 3 B
by Jordi Sanfeliu 27 Jul '18

27 Jul '18

Hello, The current package 'bluez-5.44-4.el7' doesn't include full support for the Bluetooth device on the Raspberry Pi 3 Model B (BCM43430). That's the reason why you get the Bluetooth MAC address as 'AA:AA:AA:AA:AA:AA' executing 'hciconfig -a'. As stated here <https://www.raspberrypi.org/forums/viewtopic.php?f=66&t=176348>, we need to patch the 'bluez' package with the following 4 patches listed here <https://gist.github.com/pelwell/c8230c48ea24698527cd>, as the Fedora guys do in their 'bluez.spec' file: [...] # Pi3B Patch50: 0050-bcm43xx-Add-bcm43xx-3wire-variant.patch Patch51: 0051-bcm43xx-The-UART-speed-must-be-reset-after-the-firmw.patch Patch52: 0052-Increase-firmware-load-timeout-to-30s.patch Patch53: 0053-Move-43xx-firmware-to-lib-firmware.patch [...] Once applied such patches the real Bluetooth MAC address appears successfully: # hciconfig -a hci0: Type: Primary Bus: UART BD Address: B8:27:EB:37:2C:0D ACL MTU: 1021:8 SCO MTU: 64:1 UP RUNNING PSCAN RX bytes:1550 acl:0 sco:0 events:50 errors:0 TX bytes:1045 acl:0 sco:0 commands:50 errors:0 Features: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH SNIFF Link mode: SLAVE ACCEPT Name: 'XXXXXXXXX-rpi3' Class: 0x000000 Service Classes: Unspecified Device Class: Miscellaneous, HCI Version: 4.1 (0x7) Revision: 0xb6 LMP Version: 4.1 (0x7) Subversion: 0x2209 Manufacturer: Broadcom Corporation (15) Also, in order to complement the above patching, it is recommended to add the '--experimental' argument to the Bluetooth daemon in the systemd unit file: # cat /usr/lib/systemd/system/bluetooth.service [Unit] Description=Bluetooth service Documentation=man:bluetoothd(8) ConditionPathIsDirectory=/sys/class/bluetooth [Service] Type=dbus BusName=org.bluez ExecStart=/usr/libexec/bluetooth/bluetoothd --experimental NotifyAccess=main #WatchdogSec=10 #Restart=on-failure CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE LimitNPROC=1 ProtectHome=true ProtectSystem=full [Install] WantedBy=bluetooth.target Alias=dbus-org.bluez.service Regards. -- Jordi Sanfeliu FIBRANET Network Services Provider https://www.fibranet.cat

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