Apache2 隱藏版本、作業系統

 Debian/Ubuntu
編輯 /etc/apache2/conf-enabled/security.conf

CentOS
編輯 /etc/httpd/conf/httpd.conf

Alpine
編輯 /etc/apache2/httpd.conf 

ServerTokens Prod
ServerSignature Off

檢測
curl -k --head https://127.0.0.1:443

Samba 支援symlink

編輯 /etc/samba/smb.conf 
 [global]
follow symlinks = yes
wide links = yes
strict locking = no
unix extensions = no

Proxmox ve LVM 操作筆記

移除 local-lvm
umount /dev/pve/data
lvremove /dev/pve/data

建立 Thinly-Provisioned Logical Volumes
lvcreate -v -L 100G -T pve/data

擴充 PV
parted
pvresize /dev/sda3

指定 LV 大小
lvresize -L 32G /dev/pve/root
resize2fs  /dev/pve/root
lvresize  -L 1024G pve/dat

DHCP Options

   1 netmask

  2 time-offset

  3 router

  6 dns-server

  7 log-server

  9 lpr-server

 13 boot-file-size

 15 domain-name

 16 swap-server

 17 root-path

 18 extension-path

 19 ip-forward-enable

 20 non-local-source-routing

 21 policy-filter

 22 max-datagram-reassembly

 23 default-ttl

 26 mtu

 27 all-subnets-local

 31 router-discovery

 32 router-solicitation

 33 static-route

 34 trailer-encapsulation

 35 arp-timeout

 36 ethernet-encap

 37 tcp-ttl

 38 tcp-keepalive

 40 nis-domain

 41 nis-server

 42 ntp-server

 44 netbios-ns

 45 netbios-dd

 46 netbios-nodetype

 47 netbios-scope

 48 x-windows-fs

 49 x-windows-dm

 58 T1

 59 T2

 60 vendor-class

 64 nis+-domain

 65 nis+-server

 66 tftp-server

 67 bootfile-name

 68 mobile-ip-home

 69 smtp-server

 70 pop3-server

 71 nntp-server

 74 irc-server

 77 user-class

 80 rapid-commit

 93 client-arch

 94 client-interface-id

 97 client-machine-id

119 domain-search

120 sip-server

121 classless-static-route

125 vendor-id-encap

150 tftp-server-address

255 server-ip-address

Proxmox VE 7.x 修復 zfs DEGRADED

正常硬碟 sda，錯誤硬碟 sdb，更新硬碟 sdc

修復 zfs
zpool status
zpool offline rpool /dev/錯誤硬碟
## shutdown install the new disk or replace the disks
sgdisk --replicate=/dev/新硬碟 /dev/正常硬碟
sgdisk --randomize-guids /dev/新硬碟
zpool replace rpool /dev/錯誤硬碟 /dev/新硬碟
zpool status  # => resilvering is working

更新 ESP
proxmox-boot-tool format /dev/sdc2
proxmox-boot-tool init /dev/sdc2
proxmox-boot-tool refresh

Debian 安裝 BCM43xx ( Broadcom BCM94313HMG2L)驅動程式

1.編輯 /etc/apt/sources.list 根據不同版本 debian 加入

# Debian 9 "Stretch"
deb http://deb.debian.org/debian stretch-backports main contrib non-free

# Debian 10 "Buster"
deb http://deb.debian.org/debian buster-backports main contrib non-free

# Debian 11 "Bullseye"
deb http://deb.debian.org/debian bullseye contrib non-free

2.apt-get update
apt-get install linux-image-$(uname -r|sed 's,[^-]*-[^-]*-,,') linux-headers-$(uname -r|sed 's,[^-]*-[^-]*-,,') broadcom-sta-dkms

3.apt-get install -f
dpkg-reconfigure broadcom-sta-dkms

4.find /lib/modules/$(uname -r)/updates

5.modprobe -r b44 b43 b43legacy ssb brcmsmac bcma

6.modprobe wl

參考 https://wiki.debian.org/wl