Documentations for SysAdmin, Network by Stéphane HUChttp://blogs.law.harvard.edu/tech/rssHugo 0.165.0Logo128https://doc.huc.fr.eu.org//svg/Logo_final.svg128en-ENStéphane HUC (consult+hugo@huc.fr.eu.org)Stéphane HUC (consult+hugo@huc.fr.eu.org)© 2026 Stéphane HUC2026-10-02T15:49:57+02:00https://it-log.fr.eu.org/en/post/linux-elite-dangerous/Installation and configuration of additional tools to play Elite Dangerous (Steam) on LinuxStéphane HUC (consult+hugo@huc.fr.eu.org)GamesSteamLinuxtag:doc.huc.fr.eu.org,2026-06-22:/en/post/linux-elite-dangerous/#60fe04b72f5df9a9bd62a6fb46a117a57be972494eedf50ce02ac7ba84f679112026-06-13T02:16:42+02:00https://it-log.fr.eu.org/en/post/linux-forza-horizon/tips for how the game Forza Horizon works (5) on LinuxStéphane HUC (consult+hugo@huc.fr.eu.org)GamesSteamLinuxtag:doc.huc.fr.eu.org,2026-06-22:/en/post/linux-forza-horizon/#816b6fcc62fd175fe64083e81757575fb952b696b37c93a8e7310cda46392ba82026-06-10T23:34:26+02:00https://it-log.fr.eu.org/en/post/gmail-detect-error/Help, about Gmail (gsmtp) service! Your email support and response are unbearable… You're not playing the rules, even though DKIM, DMARC, SPF, and PTR records are all correct!Stéphane HUC (consult+hugo@huc.fr.eu.org)gmailerrortag:doc.huc.fr.eu.org,2026-06-08:/en/post/gmail-detect-error/#466b7cf62c85ee2e89d2b8149d41ff519a2d480ac6790febfc7ef96ee20ffa622026-06-08T13:38:29+02:00https://it-log.fr.eu.org/en/web/hugo/week_number/Hugo: Get a week number since Date!Stéphane HUC (consult+hugo@huc.fr.eu.org)HugoTimetipstag:doc.huc.fr.eu.org,2026-05-04:/en/web/hugo/week-number/#ba4e036770af61d17af4a01853f81171f420b17982ef710ff05cf282525ab1742026-05-04T13:06:25+02:00https://it-log.fr.eu.org/en/post/bat-cat/Bat: THE tool that replaces cat; AND highlights syntax with colours, supports multiple languages.Stéphane HUC (consult+hugo@huc.fr.eu.org)Sysoutiltag:doc.huc.fr.eu.org,2026-03-18:/en/post/bat-cat2026-03-18T10:03:45+01:00https://it-log.fr.eu.org/en/sys/openwrt/unbound-dot/Add Unbound to OpenWRT using DoT protocol.Stéphane HUC (consult+hugo@huc.fr.eu.org)OpenWRTunboundDNSDNSSECDoTtag:doc.huc.fr.eu.org,2023-02-19:/en/sys/openwrt/unbound-dot2023-02-19T15:37:43+01:00https://it-log.fr.eu.org/en/post/openbsd-nsd-dnssec-tlsa/How to manage DNSSEC, TLSA records, to validate TLS certificates on OpenBSD with nsd, ldns and others…Stéphane HUC (consult+hugo@huc.fr.eu.org)DNSDANEDNSSECOpenBSDTLSAtag:doc.huc.fr.eu.org,2022-10-04:/en/post/openbsd-nsd-dnssec-tlsa2022-10-04T00:32:16+02:00https://it-log.fr.eu.org/en/monitor/iblock-openbsd/iblock: a tool to block scanner on unused ports, TCP connections, adding the IP to a Packet Filter table, on OpenBSD, using inetd service.Stéphane HUC (consult+hugo@huc.fr.eu.org)MonitoringTCPOpenBSDPFinetdtag:doc.huc.fr.eu.org,2022-04-19:/en/monitor/iblock-openbsd2022-04-19T14:00:06+02:00https://it-log.fr.eu.org/en/monitor/goaccess-openbsd/Install to use Goaccess on OpenBSD (with configuration snippets for both webserver, httpd and nginx)Stéphane HUC (consult+hugo@huc.fr.eu.org)MonitoringdatavizloggoaccessOpenBSDhttpdnginxtag:doc.huc.fr.eu.org,2021-07-30:/en/monitor/goaccess-openbsd2021-07-30T15:35:45+02:00https://it-log.fr.eu.org/en/monitor/pfstat-openbsd/Install pfstat to analyze stream on IPv4, IPv6 through the firewall PF (Packet Filter), on OpenBSD!Stéphane HUC (consult+hugo@huc.fr.eu.org)MonitoringdatavizpfstatOpenBSDhttpdtag:doc.huc.fr.eu.org,2021-07-28:/en/monitor/pfstat-openbsd2021-07-28T00:13:24+02:00https://it-log.fr.eu.org/en/sys/openbsd/gnome/How to install, set and use Gnome on OpenBSD!Stéphane HUC (consult+hugo@huc.fr.eu.org)OpenBSDGnometag:doc.huc.fr.eu.org,2021-07-24:/en/sys/openbsd/gnome2021-07-24T20:00:00+02:00https://it-log.fr.eu.org/en/sys/openbsd/xfce4/How-to install, set and use Xfce4 on OpenBSD!Stéphane HUC (consult+hugo@huc.fr.eu.org)OpenBSDXfceXfce4tag:doc.huc.fr.eu.org,2021-07-20:/en/sys/openbsd/xfce42021-07-20T21:05:54+02:00https://it-log.fr.eu.org/en/sys/openbsd/nut/Managing an inverter with the NUT project on OpenBSDStéphane HUC (consult+hugo@huc.fr.eu.org)OpenBSDNUTUPStag:doc.huc.fr.eu.org,2021-07-18:/en/sys/openbsd/nut2021-07-18T15:34:24+02:00https://it-log.fr.eu.org/en/sys/openbsd/vmd-serial-console/Solve serial console problem for a VM, copied from another OS to OpenBSD!Stéphane HUC (consult+hugo@huc.fr.eu.org)OpenBSDvmdastucetag:doc.huc.fr.eu.org,2021-02-21:/en/sys/openbsd/vmd-serial-console2021-02-21T23:14:42+01:00https://it-log.fr.eu.org/en/sys/openbsd/vmd-host-guest-on-same-network/Tips to virtualize serenely under OpenBSD with vmd, where host and guest(s) are part of the same network!Stéphane HUC (consult+hugo@huc.fr.eu.org)OpenBSDvmdtag:doc.huc.fr.eu.org,2021-02-21:/en/sys/openbsd/vmd-host-guest-on-same-network2021-02-21T19:54:31+01:00https://it-log.fr.eu.org/en/sys/openwrt/openssh/Install OpenSSH to replace Dropbear, on OpenWRTStéphane HUC (consult+hugo@huc.fr.eu.org)OpenWRTOpenSSHSSHtag:doc.huc.fr.eu.org,2020-09-20:/en/sys/openwrt/openssh2020-09-20T12:02:05+02:00https://it-log.fr.eu.org/en/sec/ssh/sshd-harden/Harden SSH server!Stéphane HUC (consult+hugo@huc.fr.eu.org)SSHhardentag:doc.huc.fr.eu.org,2020-09-18:/en/sec/ssh/sshd-harden2020-09-18T15:58:58+02:00https://it-log.fr.eu.org/en/sys/openwrt/sysupgrade/Howto upgrade correctly OpenWRT… without losing user configuration datas; and some explains to migrate versions, on routers like OpenWRT One, Ubiquiti EdgeRouter X, Xiaomi Redmi AC2100, Xiaomi Mi Router AX3000TStéphane HUC (consult+hugo@huc.fr.eu.org)OpenWRTsysupgradeopkgsysadminrouterUbiquitiEdgeRouterXiaomiMiRedmiAC2100AX3000TOnetag:doc.huc.fr.eu.org,2020-09-14:/en/sys/openwrt/sysupgrade2020-09-14T18:03:35+02:00https://it-log.fr.eu.org/en/web/hugo/hugo-search-jqueryui-autocomplete-json/Using the JSON feed to integrate a 'search engine' in Hugo, with JQuery UI autocomplete()Stéphane HUC (consult+hugo@huc.fr.eu.org)HugosearchJQueryJSONtag:doc.huc.fr.eu.org,2020-08-25:/en/web/hugo/hugo-search-jqueryui-autocomplete-json2020-08-25T23:32:48+02:00https://it-log.fr.eu.org/en/web/httpd/httpd-delivers-compressed-files/To deliver compressed static content (in the deflate, gzip, brotli format) by httpd+slowcgi, natives servers on OpenBSDStéphane HUC (consult+hugo@huc.fr.eu.org)httpdslowcgiOpenBSDCGIdeflategzipbrotlitag:doc.huc.fr.eu.org,2020-05-28:/en/web/httpd/httpd-deliver-compressed-files2020-05-28T20:00:11+02:00https://it-log.fr.eu.org/en/web/httpd/relayd-log/How to log with relayd, relay server on OpenBSDStéphane HUC (consult+hugo@huc.fr.eu.org)relaydlogOpenBSDastucetag:doc.huc.fr.eu.org,2020-05-17:/en/web/httpd/relayd-log2020-05-17T13:09:05+02:00https://it-log.fr.eu.org/en/web/httpd/relayd-cache-httpd/How to caching static content with httpd & relayd, natives servers on OpenBSDStéphane HUC (consult+hugo@huc.fr.eu.org)relaydCachehttpdHTTPOpenBSDtag:doc.huc.fr.eu.org,2020-05-07:/en/web/httpd/relayd-cache-httpd2020-05-07T16:49:36+02:00https://it-log.fr.eu.org/en/web/httpd/relayd-headers-httpd/How to manage HTTP headers with both natives servers: httpd & relayd on OpenBSDStéphane HUC (consult+hugo@huc.fr.eu.org)relaydHeaderhttpdHTTPOpenBSDtag:doc.huc.fr.eu.org,2020-05-06:/en/web/httpd/relayd-headers-httpd2020-05-06T15:00:23+02:00https://it-log.fr.eu.org/en/sys/debian/devuan_opensmtpd-client-auth/Howto Install OpenSMTPD on Devuan, and config as client with auth SMTPStéphane HUC (consult+hugo@huc.fr.eu.org)DebianDevuanLinux MintOpenSMPTDsmtpclientmailauthtag:doc.huc.fr.eu.org,2020-04-27:/en/sys/debian/devuan_opensmtpd-client-auth2020-04-27T09:19:56+02:00https://it-log.fr.eu.org/en/sys/debian/devuan_openntpd/To use on Devuan the OpenNTPD time synchronization clientStéphane HUC (consult+hugo@huc.fr.eu.org)DevuanOpenNTPDntpclienttempstag:doc.huc.fr.eu.org,2020-04-25:/en/sys/debian/devuan_openntpd2020-04-25T12:17:36+02:00https://it-log.fr.eu.org/en/web/hugo/hugo-opensearch/Howto set up the Opensearch description format into Hugo!Stéphane HUC (consult+hugo@huc.fr.eu.org)HugoOpensearchsearchtag:doc.huc.fr.eu.org,2020-04-14:/en/web/hugo/hugo-opensearch2020-04-14T16:54:07+02:00https://it-log.fr.eu.org/en/sys/openwrt/ssh-tunnel/Howto set OpenWRT to use SSH to connect on the LuCI web admin!Stéphane HUC (consult+hugo@huc.fr.eu.org)OpenWRTSSHtunneltag:doc.huc.fr.eu.org,2020-02-26:/en/sys/openwrt/ssh-tunnel2020-02-26T15:44:44+01:00https://it-log.fr.eu.org/en/sys/openwrt/sudo/Howto create a non-privileged user, to use sudo temporarily and correctly!Stéphane HUC (consult+hugo@huc.fr.eu.org)OpenWRTsudosysadmintag:doc.huc.fr.eu.org,2020-02-24:/en/sys/openwrt/sudo2020-02-24T19:41:07+01:00https://it-log.fr.eu.org/en/sys/openwrt/opkg-upgrade/howto upgrade packages on OpenWRT with the tool opkg!Stéphane HUC (consult+hugo@huc.fr.eu.org)OpenWRTupgradeopkgtipssysadmintag:doc.huc.fr.eu.org,2020-02-24:/en/sys/openwrt/opkg-upgrade2020-02-24T19:17:42+01:00https://it-log.fr.eu.org/en/don/About donationsStéphane HUC (consult+hugo@huc.fr.eu.org)Dontag:doc.huc.fr.eu.org,2020-02-21:/en/don2020-02-21T19:59:41+01:00https://it-log.fr.eu.org/en/web/hugo/hugo-openbsd/Review about differents versions of Hugo build by the project on OpenBSD stableStéphane HUC (consult+hugo@huc.fr.eu.org)HugoOpenBSDtag:doc.huc.fr.eu.org,2020-01-02:/en/web/hugo/hugo-openbsd2020-01-02T16:02:59+01:00https://it-log.fr.eu.org/en/web/nextcloud/nextcloud-loop-login/Nextcloud : How to resolve the loop login problem…Stéphane HUC (consult+hugo@huc.fr.eu.org)Nextcloudlogintiptag:doc.huc.fr.eu.org,2019-12-23:/en/web/nextcloud/nextcloud-loop-login2019-12-23T18:27:34+01:00https://it-log.fr.eu.org/en/web/hugo/hugo-search-jqueryui-autocomplete/Howto add an 'internal search engine' into the static website, made with Hugo, and JQueryUIStéphane HUC (consult+hugo@huc.fr.eu.org)HugosearchJQuerytag:doc.huc.fr.eu.org,2019-12-06:/en/web/hugo/hugo-search-jqueryui-autocomplete2019-12-06T01:21:00+01:00https://it-log.fr.eu.org/en/web/hugo/hugo-shortcodes/My different Hugo shortcodes's presentationStéphane HUC (consult+hugo@huc.fr.eu.org)HugoShortcodetag:doc.huc.fr.eu.org,2019-11-29:/en/web/hugo/hugo-shortcodes2019-11-29T15:29:59+01:00https://it-log.fr.eu.org/en/web/hugo/hugo-deploy/Deploy a site, made with the generator Hugo, by rsync/ssh, SFTP+rsync, lftp client, or the powerfull rclone.Stéphane HUC (consult+hugo@huc.fr.eu.org)HugodeploychrootlftprclonersyncSSHSFTPtag:doc.huc.fr.eu.org,2019-11-29:/en/web/hugo/hugo-deploy2019-11-29T14:45:12+01:00https://it-log.fr.eu.org/en/web/nextcloud/occ/Nextcloud: manpage occ commanderStéphane HUC (consult+hugo@huc.fr.eu.org)Nextcloudocctag:doc.huc.fr.eu.org,2019-11-23:/en/web/nextcloud/occ2019-11-23T21:59:23+01:00https://it-log.fr.eu.org/en/web/nextcloud/nextcloud-upgrade/Howto upgrade manually Nextcloud under OpenBSD serverStéphane HUC (consult+hugo@huc.fr.eu.org)NextcloudOpenBSDupgradetiptag:doc.huc.fr.eu.org,2019-11-23:/en/web/nextcloud/nextcloud-upgrade2019-11-23T20:45:23+01:00https://it-log.fr.eu.org/en/sec/firewall/pf-icmp/Example of rules to manage ICMP with the firewall Packet-Filter (PF)Stéphane HUC (consult+hugo@huc.fr.eu.org)firewallPFPacket-FilterICMPtag:doc.huc.fr.eu.org,2019-10-31:/en/sec/firewall/pf-icmp2019-10-31T12:38:55+02:00https://it-log.fr.eu.org/en/sec/firewall/pf-icmpv6/Example of rules to manage ICMPv6 with the firewall Packet-Filter (PF)Stéphane HUC (consult+hugo@huc.fr.eu.org)firewallPFPacket-FilterICMPv6tag:doc.huc.fr.eu.org,2019-10-31:/en/sec/firewall/pf-icmpv62019-10-31T12:38:55+02:00https://it-log.fr.eu.org/en/dev/python/env-python-openbsd/How to use virtuals environments Python on OpenBSD with W^X security.Stéphane HUC (consult+hugo@huc.fr.eu.org)PythonEnvironnementOpenBSDtag:doc.huc.fr.eu.org,2019-06-19:/en/dev/python/env-python-openbsd2019-06-19T12:03:33+02:00https://it-log.fr.eu.org/en/sys/openbsd/env-python-openbsd/How to use virtuals environments Python on OpenBSD with W^X security.Stéphane HUC (consult+hugo@huc.fr.eu.org)PythonEnvironmentOpenBSDtag:doc.huc.fr.eu.org,2019-06-19:/en/sys/openbsd/env-python-openbsd2019-06-19T12:03:33+02:00https://it-log.fr.eu.org/en/web/nextcloud/nextcloud-php-chroot/Howto resolve the problem for occ command Nextcloud, under chroot OpenBSDStéphane HUC (consult+hugo@huc.fr.eu.org)NextcloudchrootOpenBSDtiptag:doc.huc.fr.eu.org,2019-05-02:/en/web/nextcloud/nextcloud-php-chroot2019-05-02T23:11:15+01:00https://it-log.fr.eu.org/en/sys/openbsd/smtpd-config-auth/Howto config the SMTPD service for a required authentication mail on OpenBSD (≥ v6.4)Stéphane HUC (consult+hugo@huc.fr.eu.org)OpenBSDsmtpdauthclientmailtag:doc.huc.fr.eu.org,2018-11-03:/en/sys/openbsd/smtpd-config-auth2018-11-03T21:38:54+01:00https://it-log.fr.eu.org/en/sys/openbsd/stubby/Stubby installation experimentation, a DoT and DNSSEC client, on OpenBSD (6.3).Stéphane HUC (consult+hugo@huc.fr.eu.org)OpenBSDstubbyexperimentalDNSDoTDNSSECtag:doc.huc.fr.eu.org,2018-03-22:/en/sys/openbsd/stubby2018-03-22T14:21:09+01:00https://it-log.fr.eu.org/en/dev/bash/function-array-key-exists/Function bash array_key_exists(), equivalent to PHPStéphane HUC (consult+hugo@huc.fr.eu.org)Basharraytag:doc.huc.fr.eu.org,2017-07-29:/en/dev/bash/function-array-key-exists2017-07-29T18:56:36+01:00https://it-log.fr.eu.org/en/dev/bash/function-array-search/Function bash array_search(), equivalent to PHPStéphane HUC (consult+hugo@huc.fr.eu.org)Basharraytag:doc.huc.fr.eu.org,2017-07-29:/en/dev/bash/function-array-search2017-07-29T18:19:29+01:00https://it-log.fr.eu.org/en/sec/firewall/linux-firewall-icmpv6/Securely filtering the ICMP protocol under Linux: examples with ip6tablesStéphane HUC (consult+hugo@huc.fr.eu.org)LinuxfirewallICMPv6Ip6tablestag:doc.huc.fr.eu.org,2017-07-26:/en/sec/firewall/linux-firewall-icmpv62017-07-26T22:22:02+02:00https://it-log.fr.eu.org/en/sec/firewall/linux-firewall-icmp/Securely filtering the ICMP protocol under Linux: examples with iptablesStéphane HUC (consult+hugo@huc.fr.eu.org)LinuxfirewallICMPIptablestag:doc.huc.fr.eu.org,2017-07-26:/en/sec/firewall/linux-firewall-icmp2017-07-26T21:03:54+02:00https://it-log.fr.eu.org/en/dev/bash/script-convert-optimize-image/Script bash to convert, optimize and minimize jpg or png imageStéphane HUC (consult+hugo@huc.fr.eu.org)Bashconvertoptimizeimagetag:doc.huc.fr.eu.org,2017-07-24:/en/dev/bash/script-convert-optimize-image2017-07-24T16:56:42+01:00