# uname -a # ls -l /boot/kernel/kernel # ls -l /boot/kernel/*ko
# sysctl net.inet.ip.ttl=2 # cat /etc/sysctl.conf # cat /boot/loader.conf
... hint.acpi.0.disabled="1"
# kldstat # kldload ipfw # sysctl net.inet.ip.fw.enable=0 # cat /boot/loader.conf
... if_em_load="YES" snd_ich_load="YES"
[server:~] # cp -r /boot/kernel/ /boot/kernel.generic/
[server:~] # mount -t cd9660 /dev/cd0 /mnt/ [server:~] # cd / [server:/] # tar -xvf /mnt/usr/freebsd-dist/src.txz [server:~] # umount /mnt/
[server:~] # freebsd-update fetch [server:~] # freebsd-update install
Задачи:
[server:~] # less /usr/src/sys/conf/NOTES [server:~] # cd /usr/src/sys/i386/conf/ [server:sys/i386/conf] # cp GENERIC KERN [server:sys/i386/conf] # ee KERN [server:sys/i386/conf] # sed -E '/#.*device/d' KERN # cpu I486_CPU # cpu I586_CPU cpu I686_CPU ident GENERIC makeoptions DEBUG=-gdwarf-2 # Build kernel with gdb(1) debug symbols makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support options SCHED_ULE # ULE scheduler options PREEMPTION # Enable kernel thread preemption options INET # InterNETworking # options INET6 # IPv6 communications protocols options TCP_OFFLOAD # TCP offload options SCTP # Stream Control Transmission Protocol options FFS # Berkeley Fast Filesystem options SOFTUPDATES # Enable FFS soft updates support options UFS_ACL # Support for access control lists options UFS_DIRHASH # Improve performance on big directories options UFS_GJOURNAL # Enable gjournal-based UFS journaling options QUOTA # Enable disk quotas for UFS options NFSCL # New Network Filesystem Client options NFSD # New Network Filesystem Server options NFSLOCKD # Network Lock Manager options NFS_ROOT # NFS usable as /, requires NFSCL options MSDOSFS # MSDOS Filesystem options CD9660 # ISO 9660 Filesystem options PROCFS # Process filesystem (requires PSEUDOFS) options PSEUDOFS # Pseudo-filesystem framework options GEOM_PART_GPT # GUID Partition Tables. options GEOM_RAID # Soft RAID functionality. options GEOM_LABEL # Provides labelization options COMPAT_FREEBSD4 # Compatible with FreeBSD4 options COMPAT_FREEBSD5 # Compatible with FreeBSD5 options COMPAT_FREEBSD6 # Compatible with FreeBSD6 options COMPAT_FREEBSD7 # Compatible with FreeBSD7 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI options KTRACE # ktrace(1) support options STACK # stack(9) support options SYSVSHM # SYSV-style shared memory options SYSVMSG # SYSV-style message queues options SYSVSEM # SYSV-style semaphores options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. options KBD_INSTALL_CDEV # install a CDEV entry in /dev options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) options AUDIT # Security event auditing options MAC # TrustedBSD MAC Framework options KDTRACE_HOOKS # Kernel DTrace hooks options INCLUDE_CONFIG_FILE # Include this file in kernel options KDB # Kernel debugger related code options KDB_TRACE # Print a stack trace for a panic options DDB_CTF # kernel ELF linker loads CTF data options ALTQ options ALTQ_CBQ # Class Based Queueing options ALTQ_RED # Random Early Detection options ALTQ_RIO # RED In/Out options ALTQ_HFSC # Hierarchical Packet Scheduler options ALTQ_CDNR # Traffic conditioner options ALTQ_PRIQ # Priority Queueing options ALTQ_NOPCC # Required if the TSC is unusable options ALTQ_DEBUG # To make an SMP kernel, the next two lines are needed options SMP # Symmetric MultiProcessor Kernel device apic # I/O APIC # CPU frequency control device cpufreq # Bus support. device acpi device pci # Floppy drives device fdc # ATA controllers device ata # Legacy ATA/SATA controllers options ATA_CAM # Handle legacy controllers with CAM # SCSI Controllers # options AHC_REG_PRETTY_PRINT # Print register bitfields in debug # output. Adds ~128k to driver. # options AHD_REG_PRETTY_PRINT # Print register bitfields in debug # output. Adds ~215k to driver. # ATA/SCSI peripherals device scbus # SCSI bus (required for ATA/SCSI) device da # Direct Access (disks) # RAID controllers interfaced to the SCSI subsystem # RAID controllers # atkbdc0 controls both the keyboard and the PS/2 mouse device atkbdc # AT keyboard controller device atkbd # AT keyboard device psm # PS/2 mouse device kbdmux # keyboard multiplexer device vga # VGA video card driver options VESA # Add support for VESA BIOS Extensions (VBE) device splash # Splash screen and screen saver support # syscons is the default console driver, resembling an SCO console device sc options SC_PIXEL_MODE # add support for the raster text mode device agp # support several AGP chipsets # Power management support (see NOTES for more options) # Add suspend/resume support for the i8254. device pmtimer # PCCARD (PCMCIA) support # PCMCIA and cardbus bridge support # Serial (COM) ports device uart # Generic UART driver # Parallel port # PCI Ethernet NICs. # PCI Ethernet NICs that use the common MII bus controller code. # ISA Ethernet NICs. pccard NICs included. # Wireless NIC cards device loop # Network loopback options PADLOCK_RNG # VIA Padlock RNG options RDRAND_RNG # Intel Bull Mountain RNG device ether # Ethernet support device vlan # 802.1Q VLAN support device tun # Packet tunnel. device pty # BSD-style compatibility pseudo ttys device md # Memory "disks" device gif # IPv6 and IPv4 tunneling device faith # IPv6-to-IPv4 relaying (translation) device firmware # firmware assist module # Be aware of the administrative consequences of enabling this! # Note that 'bpf' is required for DHCP. device bpf # Berkeley packet filter # USB support options USB_DEBUG # enable debug msgs device uhci # UHCI PCI->USB interface device ohci # OHCI PCI->USB interface device ehci # EHCI PCI->USB interface (USB 2.0) device xhci # XHCI PCI->USB interface (USB 3.0) device usb # USB Bus (required) device uhid # "Human Interface Devices" device ukbd # Keyboard device ulpt # Printer device umass # Disks/Mass storage - Requires scbus and da device ums # Mouse device urio # Diamond Rio 500 MP3 player device u3g # USB-based 3G modems (Option, Huawei, Sierra) device uark # Technologies ARK3116 based serial adapters device ubsa # Belkin F5U103 and compatible serial adapters device uftdi # For FTDI usb serial adapters device uplcom # Prolific PL-2303 serial adapters device uslcom # SI Labs CP2101/CP2102 serial adapters device uvscom # USB serial support for DDI pocket's PHS # USB Ethernet, requires miibus # # USB Wireless # Sound support # VirtIO support device pf device pflog device pfsync
# cat /etc/make.conf
... MODULES_OVERRIDE = sound em
[server:sys/i386/conf] # cd /usr/src [server:/usr/src] # make buildkernel KERNCONF=KERN [server:/usr/src] # make installkernel KERNCONF=KERN [server:/usr/src] # shutdown –r now [server:~] # uname –a
В меню Loader выбираем пункт 6
OK unload kernel OK load /boot/kernel.old/kernel или OK load /boot/kernel.generic/kernel OK boot