Hi Misc, I have a firewall device and I'm using OpenBSD on it. There is an electricity problem where the device runs. Therefore, I have to run the "fsck -y" command regularly at startup due to the electricity problem. To overcome this, I want to use readonly file system. I know there are some projects like "resflash", but I want to do that manually.
My partitions like this; vertigo# df -h Filesystem Size Used Avail Capacity Mounted on /dev/sd0a 3.9G 489M 3.2G 13% / /dev/sd0g 91.8G 1.0G 86.2G 1% /mypartition /dev/sd0d 989M 12.0K 940M 0% /tmp /dev/sd0f 3.9G 1.7G 2.0G 46% /usr /dev/sd0e 3.9G 46.9M 3.6G 1% /var I want to / and /usr as readonly, I updated /etc/fstab and I made / and /usr readonly; vertigo# cat /etc/fstab ec347fefe8d05509.b none swap sw ec347fefe8d05509.a / ffs ro 1 1 ec347fefe8d05509.g /mypartition ffs rw,nodev,nosuid 1 2 ec347fefe8d05509.d /tmp ffs rw,nodev,nosuid 1 2 ec347fefe8d05509.f /usr ffs ro,wxallowed,nodev 1 2 ec347fefe8d05509.e /var ffs rw,nodev,nosuid 1 2 On startup following errors comming from /etc/rc; I think errors about /etc/motd are not so important, but are the errors coming from /etc/tty* can cause any problems? If my method is not correct, what is the best way to do this? >> OpenBSD/amd64 BOOTX64 3.50 boot> booting hd0a:/bsd: 12957000+2753552+327712+0+708608 [807408+128+1024872+749630]=0x1271a18 entry point at 0x1001000 [ using 2583064 bytes of bsd ELF symbol table ] Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of California. All rights reserved. Copyright (c) 1995-2020 OpenBSD. All rights reserved. https://www.OpenBSD.org OpenBSD 6.7 (GENERIC.MP) #2: Thu Jun 4 09:55:08 MDT 2020 r...@syspatch-67-amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 4151607296 (3959MB) avail mem = 4013170688 (3827MB) mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xebf10 (14 entries) bios0: vendor American Megatrends Inc. version "BAR3NA05" date 07/23/2018 bios0: NF533 NF533 acpi0 at bios0: ACPI 5.0 acpi0: sleep states S0 S3 S4 S5 acpi0: tables DSDT FACP APIC FPDT FIDT MCFG LPIT HPET SSDT SSDT SSDT UEFI acpi0: wakeup devices XHC1(S4) PXSX(S4) PXSX(S4) PXSX(S4) PXSX(S4) acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: Intel(R) Celeron(R) CPU J1900 @ 1.99GHz, 2000.37 MHz, 06-37-09 cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,TSC_ADJUST,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN cpu0: 1MB 64b/line 16-way L2 cache cpu0: smt 0, core 0, package 0 mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges cpu0: apic clock running at 83MHz cpu0: mwait min=64, max=64, C-substates=0.2.0.0.0.0.3.3, IBE cpu1 at mainbus0: apid 2 (application processor) cpu1: Intel(R) Celeron(R) CPU J1900 @ 1.99GHz, 2000.01 MHz, 06-37-09 cpu1: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,TSC_ADJUST,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN cpu1: 1MB 64b/line 16-way L2 cache cpu1: smt 0, core 1, package 0 cpu2 at mainbus0: apid 4 (application processor) cpu2: Intel(R) Celeron(R) CPU J1900 @ 1.99GHz, 2000.03 MHz, 06-37-09 cpu2: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,TSC_ADJUST,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN cpu2: 1MB 64b/line 16-way L2 cache cpu2: smt 0, core 2, package 0 cpu3 at mainbus0: apid 6 (application processor) cpu3: Intel(R) Celeron(R) CPU J1900 @ 1.99GHz, 2000.01 MHz, 06-37-09 cpu3: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,TSC_ADJUST,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN cpu3: 1MB 64b/line 16-way L2 cache cpu3: smt 0, core 3, package 0 ioapic0 at mainbus0: apid 1 pa 0xfec00000, version 20, 87 pins acpimcfg0 at acpi0 acpimcfg0: addr 0xe0000000, bus 0-255 acpihpet0 at acpi0: 14318179 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus 1 (RP01) acpiprt2 at acpi0: bus 7 (RP02) acpiprt3 at acpi0: bus 8 (RP03) acpiprt4 at acpi0: bus 9 (RP04) acpiec0 at acpi0: not present acpicpu0 at acpi0: C2(10@500 mwait.1@0x58), C1(1000@1 mwait.1), PSS acpicpu1 at acpi0: C2(10@500 mwait.1@0x58), C1(1000@1 mwait.1), PSS acpicpu2 at acpi0: C2(10@500 mwait.1@0x58), C1(1000@1 mwait.1), PSS acpicpu3 at acpi0: C2(10@500 mwait.1@0x58), C1(1000@1 mwait.1), PSS acpipwrres0 at acpi0: PLPE acpipwrres1 at acpi0: PLPE acpipwrres2 at acpi0: USBC, resource for EHC1, OTG1 acpitz0 at acpi0: critical temperature is 127 degC acpicmos0 at acpi0 acpipci0 at acpi0 PCI0: 0x00000010 0x00000011 0x00000000 "DMA0F28" at acpi0 not configured acpibtn0 at acpi0: PWRB acpibtn1 at acpi0: SLPB acpivideo0 at acpi0: GFX0 cpu0: using VERW MDS workaround cpu0: Enhanced SpeedStep 2000 MHz: speeds: 1993, 1992, 1909, 1826, 1743, 1660, 1577, 1494, 1411, 1328 MHz pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel Bay Trail Host" rev 0x11 inteldrm0 at pci0 dev 2 function 0 "Intel Bay Trail Video" rev 0x11 drm0 at inteldrm0 inteldrm0: msi, VALLEYVIEW, gen 7 ahci0 at pci0 dev 19 function 0 "Intel Bay Trail AHCI" rev 0x11: msi, AHCI 1.3 ahci0: port 0: 3.0Gb/s scsibus1 at ahci0: 32 targets sd0 at scsibus1 targ 0 lun 0: <ATA, KINGSTON SA400S3, SBFK> naa.50026b7782d3a666 sd0: 114473MB, 512 bytes/sector, 234441648 sectors, thin xhci0 at pci0 dev 20 function 0 "Intel Bay Trail xHCI" rev 0x11: msi, xHCI 1.0 usb0 at xhci0: USB revision 3.0 uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev 3.00/1.00 addr 1 "Intel Bay Trail TXE" rev 0x11 at pci0 dev 26 function 0 not configured ppb0 at pci0 dev 28 function 0 "Intel Bay Trail PCIE" rev 0x11: msi pci1 at ppb0 bus 1 ppb1 at pci1 dev 0 function 0 "Pericom PI7C9X2G608GP PCIE" rev 0x00 pci2 at ppb1 bus 2 ppb2 at pci2 dev 1 function 0 "Pericom PI7C9X2G608GP PCIE" rev 0x00: msi pci3 at ppb2 bus 3 ppb3 at pci2 dev 2 function 0 "Pericom PI7C9X2G608GP PCIE" rev 0x00: msi pci4 at ppb3 bus 4 em0 at pci4 dev 0 function 0 "Intel I211" rev 0x03: msi, address 00:30:18:00:05:0f ppb4 at pci2 dev 3 function 0 "Pericom PI7C9X2G608GP PCIE" rev 0x00: msi pci5 at ppb4 bus 5 ppb5 at pci2 dev 4 function 0 "Pericom PI7C9X2G608GP PCIE" rev 0x00: msi pci6 at ppb5 bus 6 ppb6 at pci0 dev 28 function 1 "Intel Bay Trail PCIE" rev 0x11: msi pci7 at ppb6 bus 7 em1 at pci7 dev 0 function 0 "Intel I211" rev 0x03: msi, address 00:30:18:00:05:0c ppb7 at pci0 dev 28 function 2 "Intel Bay Trail PCIE" rev 0x11: msi pci8 at ppb7 bus 8 em2 at pci8 dev 0 function 0 "Intel I211" rev 0x03: msi, address 00:30:18:00:05:0d ppb8 at pci0 dev 28 function 3 "Intel Bay Trail PCIE" rev 0x11: msi pci9 at ppb8 bus 9 em3 at pci9 dev 0 function 0 "Intel I211" rev 0x03: msi, address 00:30:18:00:05:0e pcib0 at pci0 dev 31 function 0 "Intel Bay Trail LPC" rev 0x11 ichiic0 at pci0 dev 31 function 3 "Intel Bay Trail SMBus" rev 0x11: apic 1 int 18 iic0 at ichiic0 "eeprom" at iic0 addr 0x50 not configured isa0 at pcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo com0: console com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo pckbc0 at isa0 port 0x60/5 irq 1 irq 12 pckbd0 at pckbc0 (kbd slot) wskbd0 at pckbd0 mux 1 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 vmm0 at mainbus0: VMX/EPT (using slow L1TF mitigation) efifb at mainbus0 not configured uhub0: device problem, disabling port 1 uhidev0 at uhub0 port 2 configuration 1 interface 0 " USB Keyboard" rev 1.10/2.50 addr 2 uhidev0: iclass 3/1 ukbd0 at uhidev0: 8 variable keys, 6 key codes wskbd1 at ukbd0 mux 1 uhidev1 at uhub0 port 2 configuration 1 interface 1 " USB Keyboard" rev 1.10/2.50 addr 2 uhidev1: iclass 3/0, 2 report ids uhid0 at uhidev1 reportid 1: input=1, output=0, feature=0 uhid1 at uhidev1 reportid 2: input=3, output=0, feature=0 uhub1 at uhub0 port 4 configuration 1 interface 0 "Genesys Logic USB2.0 Hub" rev 2.00/88.32 addr 3 vscsi0 at root scsibus2 at vscsi0: 256 targets softraid0 at root scsibus3 at softraid0: 256 targets root on sd0a (ec347fefe8d05509.a) swap on sd0b dump on sd0b inteldrm0: 1600x900, 32bpp wsdisplay0 at inteldrm0 mux 1 pckbd_enable: command error wskbd1: connecting to wsdisplay0 wsdisplay0: screen 0-5 added (std, vt100 emulation) Automatic boot in progress: starting file system checks. /dev/sd0a (ec347fefe8d05509.a): file system is clean; not checking /dev/sd0g (ec347fefe8d05509.g): file system is clean; not checking /dev/sd0d (ec347fefe8d05509.d): file system is clean; not checking /dev/sd0f (ec347fefe8d05509.f): file system is clean; not checking /dev/sd0e (ec347fefe8d05509.e): file system is clean; not checking kbd: keyboard mapping set to tr net.inet.udp.recvspace: 41600 -> 262144 net.inet.udp.sendspace: 9216 -> 262144 kern.maxfiles: 7030 -> 2048000 kern.maxclusters: 262144 -> 1280000 kern.somaxconn: 128 -> 10240 kern.seminfo.semmni: 10 -> 1024 kern.seminfo.semmns: 60 -> 4096 kern.shminfo.shmmax: 33554432 -> 805306368 kern.shminfo.shmall: 196608 -> 196608 kern.maxvnodes: 5926 -> 200000 net.inet.icmp.errppslimit: 100 -> 1000 ddb.panic: 1 -> 0 net.inet.ip.forwarding: 0 -> 1 kern.maxproc: 1310 -> 200000 kern.bufcachepercent: 20 -> 70 net.inet.ip.mforwarding: 0 -> 1 net.inet.gre.allow: 0 -> 1 net.inet.esp.enable: 1 -> 1 net.pipex.enable: 0 -> 1 machdep.kbdreset: 0 -> 1 kern.pool_debug: 0 -> 0 net.inet.ip.multipath: 0 -> 1 net.inet6.ip6.multipath: 0 -> 1 net.inet.divert.recvspace: 65636 -> 1048576 net.inet.divert.sendspace: 65636 -> 1048576 net.inet6.divert.recvspace: 65636 -> 1048576 net.inet6.divert.sendspace: 65636 -> 1048576 hw.smt: 0 -> 1 starting network reordering libraries: done. starting early daemons: syslogd ntpd. starting RPC daemons:. savecore: no core dump checking quotas: done. chmod: /dev/ttyp0: Read-only file system chmod: /dev/ttyp1: Read-only file system chmod: /dev/ttyp2: Read-only file system chmod: /dev/ttyp3: Read-only file system chmod: /dev/ttyp4: Read-only file system chmod: /dev/ttyp5: Read-only file system chmod: /dev/ttyp6: Read-only file system chmod: /dev/ttyp7: Read-only file system chmod: /dev/ttyp8: Read-only file system chmod: /dev/ttyp9: Read-only file system chmod: /dev/ttypA: Read-only file system chmod: /dev/ttypB: Read-only file system chmod: /dev/ttypC: Read-only file system chmod: /dev/ttypD: Read-only file system chmod: /dev/ttypE: Read-only file system chmod: /dev/ttypF: Read-only file system chmod: /dev/ttypG: Read-only file system chmod: /dev/ttypH: Read-only file system chmod: /dev/ttypI: Read-only file system chmod: /dev/ttypJ: Read-only file system chmod: /dev/ttypK: Read-only file system chmod: /dev/ttypL: Read-only file system chmod: /dev/ttypM: Read-only file system chmod: /dev/ttypN: Read-only file system chmod: /dev/ttypO: Read-only file system chmod: /dev/ttypP: Read-only file system chmod: /dev/ttypQ: Read-only file system chmod: /dev/ttypR: Read-only file system chmod: /dev/ttypS: Read-only file system chmod: /dev/ttypT: Read-only file system chmod: /dev/ttypU: Read-only file system chmod: /dev/ttypV: Read-only file system chmod: /dev/ttypW: Read-only file system chmod: /dev/ttypX: Read-only file system chmod: /dev/ttypY: Read-only file system chmod: /dev/ttypZ: Read-only file system chmod: /dev/ttypa: Read-only file system chmod: /dev/ttypb: Read-only file system chmod: /dev/ttypc: Read-only file system chmod: /dev/ttypd: Read-only file system chmod: /dev/ttype: Read-only file system chmod: /dev/ttypf: Read-only file system chmod: /dev/ttypg: Read-only file system chmod: /dev/ttyph: Read-only file system chmod: /dev/ttypi: Read-only file system chmod: /dev/ttypj: Read-only file system chmod: /dev/ttypk: Read-only file system chmod: /dev/ttypl: Read-only file system chmod: /dev/ttypm: Read-only file system chmod: /dev/ttypn: Read-only file system chmod: /dev/ttypo: Read-only file system chmod: /dev/ttypp: Read-only file system chmod: /dev/ttypq: Read-only file system chmod: /dev/ttypr: Read-only file system chmod: /dev/ttyps: Read-only file system chmod: /dev/ttypt: Read-only file system chmod: /dev/ttypu: Read-only file system chmod: /dev/ttypv: Read-only file system chmod: /dev/ttypw: Read-only file system chmod: /dev/ttypx: Read-only file system chmod: /dev/ttypy: Read-only file system chmod: /dev/ttypz: Read-only file system chown: /dev/ttyp0: Read-only file system chown: /dev/ttyp1: Read-only file system chown: /dev/ttyp2: Read-only file system chown: /dev/ttyp3: Read-only file system chown: /dev/ttyp4: Read-only file system chown: /dev/ttyp5: Read-only file system chown: /dev/ttyp6: Read-only file system chown: /dev/ttyp7: Read-only file system chown: /dev/ttyp8: Read-only file system chown: /dev/ttyp9: Read-only file system chown: /dev/ttypA: Read-only file system chown: /dev/ttypB: Read-only file system chown: /dev/ttypC: Read-only file system chown: /dev/ttypD: Read-only file system chown: /dev/ttypE: Read-only file system chown: /dev/ttypF: Read-only file system chown: /dev/ttypG: Read-only file system chown: /dev/ttypH: Read-only file system chown: /dev/ttypI: Read-only file system chown: /dev/ttypJ: Read-only file system chown: /dev/ttypK: Read-only file system chown: /dev/ttypL: Read-only file system chown: /dev/ttypM: Read-only file system chown: /dev/ttypN: Read-only file system chown: /dev/ttypO: Read-only file system chown: /dev/ttypP: Read-only file system chown: /dev/ttypQ: Read-only file system chown: /dev/ttypR: Read-only file system chown: /dev/ttypS: Read-only file system chown: /dev/ttypT: Read-only file system chown: /dev/ttypU: Read-only file system chown: /dev/ttypV: Read-only file system chown: /dev/ttypW: Read-only file system chown: /dev/ttypX: Read-only file system chown: /dev/ttypY: Read-only file system chown: /dev/ttypZ: Read-only file system chown: /dev/ttypa: Read-only file system chown: /dev/ttypb: Read-only file system chown: /dev/ttypc: Read-only file system chown: /dev/ttypd: Read-only file system chown: /dev/ttype: Read-only file system chown: /dev/ttypf: Read-only file system chown: /dev/ttypg: Read-only file system chown: /dev/ttyph: Read-only file system chown: /dev/ttypi: Read-only file system chown: /dev/ttypj: Read-only file system chown: /dev/ttypk: Read-only file system chown: /dev/ttypl: Read-only file system chown: /dev/ttypm: Read-only file system chown: /dev/ttypn: Read-only file system chown: /dev/ttypo: Read-only file system chown: /dev/ttypp: Read-only file system chown: /dev/ttypq: Read-only file system chown: /dev/ttypr: Read-only file system chown: /dev/ttyps: Read-only file system chown: /dev/ttypt: Read-only file system chown: /dev/ttypu: Read-only file system chown: /dev/ttypv: Read-only file system chown: /dev/ttypw: Read-only file system chown: /dev/ttypx: Read-only file system chown: /dev/ttypy: Read-only file system chown: /dev/ttypz: Read-only file system clearing /tmp kern.securelevel: 0 -> 1 /etc/rc[557]: cannot create /etc/motd: Read-only file system /etc/rc[558]: cannot create /etc/motd: Read-only file system /etc/rc[559]: cannot create /etc/motd: Read-only file system /etc/rc[560]: cannot create /etc/motd: Read-only file system /etc/rc[561]: cannot create /etc/motd: Read-only file system /etc/rc[562]: cannot create /etc/motd: Read-only file system /etc/rc[563]: cannot create /etc/motd: Read-only file system /etc/rc[564]: cannot create /etc/motd: Read-only file system /etc/rc[565]: cannot create /etc/motd: Read-only file system creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons: cron. Tue Jun 9 10:02:51 +03 2020