Florian Heigl FlorianHeigl
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| # dont execute hook if dhcp req failed | |
| if [ $1 != 0 ]; then | |
| return 0 | |
| fi | |
| # get bayernwlan interface name | |
| interface=$( ifconfig | grep -B1 "BAYERNWLAN" | grep -v description: | awk -F: '{print $1}' ) | |
| # some validation might be [a-z]+[0-9] |
FlorianHeigl
/ gist:4516944dc5244c0a6ba7cba389c4d6de
Last active
September 25, 2024 20:37
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| 1476 mkdir /mnt/imgback | |
| 1477 mount -t cifs -o domain=xxxx,vers=3.1.1,multichannel,user=xxxxx,password=xxxx,max_channels=2 // | |
| nas84/imgback /mnt/imgback | |
| 1515 dd if=/dev/sda bs=1024k | mbuffer -m2G --direct -d -o /mnt/imgback/file1 | pigz -1 /mnt/foo/file2.img.gz | |
| 1579 echo 2048 > /sys/block/sde/queue/read_ahead_kb |
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| modules=loop,squashfs,sd-mod,usb-storage quiet console=tty1 |
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| #! /usr/bin/env python3 | |
| import sys, os, getopt, re, subprocess | |
| from pypjlink import Projector | |
| ############################################################################# | |
| def usage(): | |
| ############################################################################# | |
| sys.stderr.write("""Check_MK PJ-Link Agent |
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| [ 2.100137] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.06 | |
| [ 2.100147] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 | |
| [ 2.100152] usb usb1: Product: xHCI Host Controller | |
| [ 2.100156] usb usb1: Manufacturer: Linux 6.6.39-0-lts xhci-hcd | |
| [ 2.100160] usb usb1: SerialNumber: 0000:00:14.0 | |
| [ 2.100579] hub 1-0:1.0: USB hub found | |
| [ 2.100735] hub 1-0:1.0: 6 ports detected | |
| [ 2.102772] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.06 | |
| [ 2.102785] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 | |
| [ 2.102791] usb usb2: Product: xHCI Host Controller |
FlorianHeigl
/ gist:3b1c2e5285e2155d1a386f8816584eb8
Created
July 11, 2024 04:06
ipmi bios reset / review boot settings
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| $ ipmitool -I lanplus -H 192.168.xx-U admin -P $ABC chassis bootparam get 5 | |
| Boot parameter version: 1 | |
| Boot parameter 5 is valid/unlocked | |
| Boot parameter data: e018000000 | |
| Boot Flags : | |
| - Boot Flag Valid | |
| - Options apply to all future boots | |
| - BIOS EFI boot | |
| - Boot Device Selector : Force Boot into BIOS Setup | |
| - BIOS verbosity : System Default |
FlorianHeigl
/ gist:00560a59981395bddd5670f5d06f4c08
Last active
July 3, 2024 16:12
Alpine regreSSHion mititgation
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| # switch ssh daemon from OpenSSH to dropbear | |
| # temporary workaround | |
| service sshd stop | |
| rc-update del sshd | |
| setup-sshd # select dropbear | |
| # replace ssh host keys from openssh | |
| # (or update ssh host keys `ssh-keyscan`) | |
| apk add dropbear-convert |
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| root@localhost:~# fio --rw=randwrite --name=TP-write --bs=256k --direct=1 --filename=thiz --numjobs=4 --ioengine=libaio --iodepth=256 --refill_buffers --group_reporting --runtime=60 --time_based --size=1G | |
| TP-write: (g=0): rw=randwrite, bs=(R) 256KiB-256KiB, (W) 256KiB-256KiB, (T) 256KiB-256KiB, ioengine=libaio, iodepth=256 | |
| ... | |
| fio-3.28 | |
| Starting 4 processes | |
| Jobs: 4 (f=4): [w(4)][100.0%][w=584MiB/s][w=2334 IOPS][eta 00m:00s] | |
| TP-write: (groupid=0, jobs=4): err= 0: pid=2406: Fri Jun 21 01:29:48 2024 | |
| write: IOPS=2623, BW=656MiB/s (688MB/s)(38.6GiB/60294msec); 0 zone resets | |
| slat (usec): min=12, max=401142, avg=198.77, stdev=6193.70 | |
| clat (msec): min=20, max=1284, avg=389.84, stdev=96.90 |
[...]
set interfaces et-0/0/48 unit 0 family inet dhcp vendor-id Juniper-qfx5110-48s-4c
set interfaces xe-0/0/48:0 unit 0 family inet dhcp vendor-id Juniper-qfx5110-48s-4c
set interfaces xe-0/0/48:1 unit 0 family inet dhcp vendor-id Juniper-qfx5110-48s-4c
set interfaces xe-0/0/48:2 unit 0 family inet dhcp vendor-id Juniper-qfx5110-48s-4c
set interfaces xe-0/0/48:3 unit 0 family inet dhcp vendor-id Juniper-qfx5110-48s-4c
set interfaces et-0/0/49 unit 0 family inet dhcp vendor-id Juniper-qfx5110-48s-4c
set interfaces xe-0/0/49:0 unit 0 family inet dhcp vendor-id Juniper-qfx5110-48s-4c
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