Dan Langille dlangille
dlangille
/ Testing with file-based devices
Last active
November 19, 2025 23:03
can I reduce the size of a mirror zpool?
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| # Will this work with disk-based devices which use partitions? | |
| # Instead of /tmp/0.raw, using /dev/adap3? | |
| # create some 500M devices: | |
| root@r730-04:/tmp # for i in $(seq 10 13) ; do truncate -s 500M $i.raw ; done | |
| # and some 1G devices: | |
| root@r730-04:/tmp # for i in $(seq 0 3) ; do truncate -s 1G $i.raw ; done |
dlangille
/ need to run lnms migrate
Created
July 16, 2025 13:16
librenms 25.7.0 after upgrading from 25.6.0
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| [13:08 besser dvl ~] % sudo su -fm www | |
| [%F{cyan}%B%T%b%f %F{magenta}%m%b%f %F{green}%B%n%b%f %F{magenta}%B%~%b%f] %#%b%f lnms migrate | |
| APPLICATION IN PRODUCTION. | |
| ┌ Are you sure you want to run this command? ──────────────────┐ | |
| │ Yes │ | |
| └──────────────────────────────────────────────────────────────┘ |
dlangille
/ 1 - I plan to turn these off
Last active
June 6, 2025 22:21
Periodic things to turn off in FreeBSD jails
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| # after reviewing /etc/defaults/periodic.conf I have decided | |
| # to disable these items in jails | |
| daily_status_disks_enable="NO" | |
| daily_status_network_enable="NO" | |
| daily_status_uptime_enable="NO" | |
| # not needed on jails | |
| daily_ntpd_leapfile_enable="NO" |
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| # Based on http://www.aisecure.net/2012/01/16/rootzfs/ and | |
| # @vermaden's guide on the forums | |
| # set your disks here | |
| DISKS="ada0 ada1" | |
| # where will we fetch the install from? | |
| FTPURL="ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/10.1-RELEASE" | |
| # the hostname this computer will have: |
dlangille
/ bunch of iperf tests
Last active
March 10, 2025 20:51
see https://dan.langille.org/2025/03/10/get-faster-openvpn-on-freebsd-by-enabling-dco-easily-done/
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| [20:28 r730-01 dvl ~] % iperf3 -s | |
| ----------------------------------------------------------- | |
| Server listening on 5201 (test #1) | |
| ----------------------------------------------------------- | |
| Accepted connection from 10.8.1.180, port 64077 | |
| [ 5] local 10.55.0.141 port 5201 connected to 10.8.1.180 port 64078 | |
| [ ID] Interval Transfer Bitrate | |
| [ 5] 0.00-1.06 sec 23.4 MBytes 185 Mbits/sec | |
| [ 5] 1.06-2.06 sec 22.4 MBytes 188 Mbits/sec | |
| [ 5] 2.06-3.01 sec 21.4 MBytes 188 Mbits/sec |
dlangille
/ boot via serial
Created
November 2, 2015 23:17
Resetting the password on a Extreme Networks Summit X450e-48t switch and then doing some config
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| A usual boot: | |
| Extreme Networks | |
| Running Power On Self Test ...Passed | |
| * Summit X * | |
| Version 1.0.5.6 Branch trunk by release-manager on Fri 04/17/09 | |
| Copyright 2003-2009, Extreme Networks, Inc. | |
| Single Processor System Initializing... |
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| [16:43 r720-02-ingress01 dvl ~] % cat /jails/freshports/list-old-distfiles.sh | |
| #!/bin/sh | |
| PORTSDIR=/usr/ports | |
| cut -d \| -f 2 ${PORTSDIR}/INDEX* | while read d; do cd $d && make -V ALLFILES | tr " " "\n" | grep -v '^$' || : ; done |
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| For more up to date information, see https://dan.langille.org/2023/08/16/configuration-of-net-mgmt-net-snmpd-on-freebsd/ | |
| Do this on the snmpd client: | |
| service snmpd stop | |
| net-snmp-config --create-snmpv3-user -ro -A 'AuthPass' -X 'PrivPass' -a SHA -x AES MyRoGroup | |
| chmod go-rwx /var/net-snmp/snmpd.conf /usr/local/share/snmp/snmpd.conf | |
| verify MyRoGroup is in /usr/local/share/snmp/snmpd.conf |
dlangille
/ Duplicate entries there... Not sure why.
Last active
September 28, 2024 12:01
FreshPorts flavors
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| freshports.dev=# select * from package_flavors where port_id = 6458 order by flavor_id; | |
| id | port_id | flavor_id | name | flavor_number | |
| -----+---------+-----------+--------------------+--------------- | |
| 436 | 6458 | 43 | bbdb-emacs26 | 0 | |
| 671 | 6458 | 43 | bbdb-emacs26 | 0 | |
| 901 | 6458 | 43 | bbdb-emacs26 | 0 | |
| 977 | 6458 | 43 | bbdb-emacs26 | 0 | |
| 437 | 6458 | 44 | bbdb-emacs26_canna | 1 | |
| 978 | 6458 | 44 | bbdb-emacs26_canna | 1 | |
| 672 | 6458 | 44 | bbdb-emacs26_canna | 1 |
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| Jul 7 18:16:59 slocum kernel: mps0: SAS Address for SATA device = 452e361796809487 | |
| Jul 7 18:16:59 slocum kernel: mps0: SAS Address from SATA device = 452e361796809487 | |
| Jul 7 18:16:59 slocum kernel: (da7:mps0:0:26:0): UNMAPPED | |
| Jul 7 18:16:59 slocum kernel: da7 at mps0 bus 0 scbus0 target 26 lun 0 | |
| Jul 7 18:16:59 slocum kernel: da7: <ATA TOSHIBA HDWE150 FP2A> Fixed Direct Access SPC-4 SCSI device | |
| Jul 7 18:16:59 slocum kernel: da7: Serial Number 4725K6DVF57D | |
| Jul 7 18:16:59 slocum kernel: da7: 600.000MB/s transfers | |
| Jul 7 18:16:59 slocum kernel: da7: Command Queueing enabled | |
| Jul 7 18:16:59 slocum kernel: da7: 4769307MB (9767541168 512 byte sectors) |
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