Michael Zhilin mizhka
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| #!/bin/sh | |
| # $Id$ | |
| # | |
| # $FreeBSD$ | |
| # | |
| # PROVIDE: openconnect | |
| # REQUIRE: NETWORKING | |
| # KEYWORD: shutdown | |
| # | |
| # Add the following lines to /etc/rc.conf.local or /etc/rc.conf to enable openconnect |
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| <html> | |
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <!-- Load d3.js --> | |
| <script src="https://d3js.org/d3.v4.js"></script> | |
| <!-- Create a div where the graph will take place --> | |
| <div id="my_dataviz"></div> | |
| <script> | |
| function humanFileSize(bytes, si) { |
mizhka
/ gist:ed8f9fcad4165fd91afd1b34e668a0f2
Last active
January 17, 2023 13:30
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| alias sw=etherswitchcfg | |
| sw port0 striptag | |
| sw port1 striptag | |
| sw port1 pvid 2 | |
| sw port3 addtag | |
| sw port4 addtag | |
| sw vlangroup0 members 0,2,3,4 | |
| Result: |
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| kern.maxproc: Maximum number of processes | |
| kern.ngroups: Maximum number of supplemental groups a user can belong to | |
| kern.ipc.shm_allow_removed: Enable/Disable attachment to attached segments marked for removal | |
| kern.ipc.shm_use_phys: Enable/Disable locking of shared memory pages in core | |
| kern.ipc.shmall: Maximum number of pages available for shared memory | |
| kern.ipc.shmseg: Number of segments per process | |
| kern.ipc.shmmni: Number of shared memory identifiers | |
| kern.ipc.shmmin: Minimum shared memory segment size | |
| kern.ipc.shmmax: Maximum shared memory segment size | |
| kern.ipc.semaem: Adjust on exit max value |
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| BUFFALO U-BOOT Ver 1.03 | |
| AP93 (ar7240) U-boot | |
| sri | |
| ===================================================================================================================================== | |
| TAP CALC (read_cnt=512) | |
| ----+-------------------------------------------------------------------------------------------------------------------------------- | |
| TAP | 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | |
| ----+-------------------------------------------------------------------------------------------------------------------------------- | |
| FAIL| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 512 512 512 512 512 512 512 512 512 512 51 |
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| GOOD: | |
| ar7240> erase 0xbf040000 +0x160000 | |
| Erase Flash from 0xbf040000 to 0xbf19ffff in Bank # 1 | |
| First 0x40 last 0x19f sector size 0x1000 | |
| 400 | |
| Erased 352 sectors | |
| ar7240> cp.b 0x81000000 0xbf040000 0x160000 | |
| Copy to Flash... | |
| Copy 1441792 byte to Flash... write addr: bf040000 |
mizhka
/ gist:0e1461c360b133d526ebe0854635cf44
Created
May 20, 2019 07:32
WHR-300 FreeBSD firmware - entropy
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| % binwalk -E whr300-tftp-noheader.bin | |
| WARNING: Failed to import pyqtgraph module, visual entropy graphing will be disabled | |
| DECIMAL HEXADECIMAL ENTROPY | |
| -------------------------------------------------------------------------------- | |
| 0 0x0 Rising entropy edge (0.985684) | |
| 1392640 0x154000 Falling entropy edge (0.000000) | |
| 1443840 0x160800 Rising entropy edge (0.989380) | |
| 3745792 0x392800 Falling entropy edge (0.693819) |
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| dig, host - fetches DNS information | |
| fuser - displays the PIDs of processes using the specified files or file systems. | |
| gcore - generate a core file of a running program | |
| gdb - allow you to see what is going on ''inside'' another program / coredump | |
| iotop - watches I/O usage information output and displays a table of current I/O usage by processes or threads on the system | |
| lftp - a file transfer program that allows sophisticated ftp, http and other connections to other hosts (including parallel transfer) | |
| lsof - lists on its standard output file information about files opened by processes | |
| nc - networking utility for reading from and writing to network connections using TCP or UDP | |
| nmon - a huge amount of important performance information in one go | |
| pbzip2 - a parallel implementation of the bzip2 block-sorting file compressor that uses pthreads and achieves near-linear speedup on SMP machines |
mizhka
/ gist:d26481c21ceaab93516ad73842ce70b6
Created
May 14, 2019 12:18
Poor Man FreeBSD DDB stacktraces
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| CODE: | |
| int debug = 1; | |
| sysctlbyname("debug.kdb.enter", NULL, NULL, &debug, sizeof(debug)); | |
| WHERE: | |
| libc - abort | |
| login - bail |
mizhka
/ old-mips-malloc-init-issue.lst
Created
February 14, 2018 23:16
old-mips-malloc-init-issue.lst
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| CFE> boot -tftp 192.168.1.2:/kernel.BCM.tramp.bin -raw -max=0x700000 -addr=0x80900000 | |
| Loader:raw Filesys:tftp Dev:eth0 File:192.168.1.2:/kernel.BCM.tramp.bin Options:(null) | |
| Loading: CFE works as TFTP Client. | |
| .......TFTP_BLKLEN!! | |
| break!! last block!! | |
| .. 5419928 bytes read | |
| Entry at 0x80900000 | |
| Closing network. | |
| Starting program at 0x80900000 | |
| entry: mips_init() |