| # See https://github.com/prometheus/exporter-toolkit/issues/71 | |
| # Make prometheus working on localhost only and to set properly Access-Control-Allow-Origin | |
| # Edit /etc/default/prometheus and | |
| # add --web.listen-address=127.0.0.1:9090 | |
| # add --web.cors.origin=\"https.*\" | |
| # The regexp looks ugly because just simple .* will result in Access-Control-Allow-Origin: * | |
| # Then install the Nginx | |
| # sudo apt install nginx | |
| # put the file into /etc/nginx/sites-available/prometheus | |
| # sudo rm /etc/nginx/sites-enabled/default |
| -- The postgres user can create users and grant permissions | |
| -- Change the default postgres user password | |
| ALTER USER postgres PASSWORD '<new-password>'; | |
| -- The dba use it for developers or database administrator (DBA) | |
| -- Access is given only to appdb DB. | |
| -- For administering other dbs or users use postgres user | |
| CREATE USER dba WITH PASSWORD '<new-password>'; | |
| GRANT ALL PRIVILEGES ON DATABASE appdb TO dba; | |
| GRANT ALL PRIVILEGES ON SCHEMA app TO dba; |
| server.modules += ( "mod_webdav", "mod_setenv" ) | |
| $HTTP["url"] =~ "^/dav($|/)" { | |
| webdav.activate := "enable" | |
| server.document-root := "/srv/disk/" | |
| # skip basic auth check for OPTIONS method from CORS preflight request | |
| $HTTP["request-method"] != "OPTIONS" { | |
| auth.backend := "plain" | |
| auth.backend.plain.userfile := "/etc/lighttpd/webdav.shadow" | |
| auth.require := ( |
| # See https://github.com/prometheus/alertmanager/pull/2827 | |
| # https://prometheus.io/docs/alerting/latest/configuration/#telegram_config | |
| route: | |
| group_by: ['alertname'] | |
| group_wait: 30s | |
| group_interval: 5m | |
| repeat_interval: 1h | |
| receiver: "telegram" | |
| receivers: | |
| - name: 'telegram' |
| func Test_insert_with_override(t *testing.T) { | |
| reqBody := []byte(`ABCDEFG`) | |
| shifted := reqBody[1:] | |
| strconv.AppendInt(shifted[:0], int64(123), 10) | |
| assert.Equal(t, `A123EFG`, string(reqBody)) | |
| } |
| <html> | |
| <script> | |
| // https://stackoverflow.com/a/58299823/1049542 | |
| // https://developers.cloudflare.com/1.1.1.1/encryption/dns-over-https/make-api-requests/dns-json/ | |
| // var dnsQ = fetch('https://dns.google/resolve?name=stokito.com&type=A', | |
| var dnsQ = fetch('https://cloudflare-dns.com/dns-query?name=stokito.com&type=A', | |
| { | |
| headers: { |
| // https://www.h-schmidt.net/FloatConverter/IEEE754.html | |
| // simplest rounding is just removing right bits from mantisa | |
| func fastFloatRound(f float32) float32 { | |
| fbits := math.Float32bits(f) | |
| fbits = fbits >> 15 | |
| fbits = fbits << 15 | |
| fRounded := math.Float32frombits(fbits) | |
| return fRounded | |
| } |
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Sample of BootStrap Table that render CSV file</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> | |
| <!-- bootstrap itself --> | |
| <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0/dist/css/bootstrap.min.css" integrity="sha256-7ZWbZUAi97rkirk4DcEp4GWDPkWpRMcNaEyXGsNXjLg=" crossorigin="anonymous"> | |
| <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0/dist/js/bootstrap.bundle.min.js" integrity="sha256-wMCQIK229gKxbUg3QWa544ypI4OoFlC2qQl8Q8xD8x8=" crossorigin="anonymous"></script> | |
| <!-- jquery needed for bootstrap-table--> |
| class Metric { | |
| /** | |
| * @param {string} help | |
| * @param {string} value | |
| * @param {string[]} values | |
| * @param {string[]} labels | |
| */ | |
| constructor(help, value, values, labels) { | |
| this.help = help | |
| this.value = value |
The official doc seems too complicated OpenWrt on VirtualBox HowTo
C:\Program Files\Oracle\VirtualBoxopenwrt-x86-64-combined-ext4.img.gz from targets/x86/64/ folder. Direct snapshot downloadgunzip openwrt.img.gzVBoxManage convertfromraw --format VDI openwrt.img openwrt.vdi