[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"public-config":3,"i-flag:ph-4x3":14,"i-flag:us-4x3":19,"i-flag:de-4x3":21,"i-flag:hk-4x3":23,"i-tabler:lifebuoy":25,"i-tabler:timeline":28,"i-tabler:apps":30,"i-tabler:package":32,"i-tabler:circle-half-2":34,"i-tabler:sun":36,"i-tabler:moon":38,"i-tabler:menu-2":40,"i-tabler:user":42,"i-tabler:notebook":44,"i-simple-icons:forgejo":46,"i-tabler:shield-lock":48,"i-tabler:tools":50,"i-tabler:calendar":52,"i-tabler:x":54,"$f36g2m18ja8gbe":56,"i-tabler:arrow-left":113,"i-tabler:tag":115},{"matomo":4,"booking":7,"site":9,"blog":11,"newsletter":12},{"enabled":5,"siteId":6},true,"7",{"enabled":5,"url":8},"https:\u002F\u002Fcal.com\u002Fjdbungart",{"url":10},"https:\u002F\u002Fjdneer.com",{"enabled":5},{"enabled":13},false,{"left":15,"top":15,"width":16,"height":17,"rotate":15,"vFlip":13,"hFlip":13,"body":18},0,640,480,"\u003Cpath fill=\"#0038a8\" d=\"M0 0h640v240H0z\"\u002F>\u003Cpath fill=\"#ce1126\" d=\"M0 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5l-4 4l-5-5m4 1l-1.5 1.5\"\u002F>\u003C\u002Fg>",{"left":15,"top":15,"width":26,"height":26,"rotate":15,"vFlip":13,"hFlip":13,"body":53},"\u003Cpath fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M4 7a2 2 0 0 1 2-2h12a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2zm12-4v4M8 3v4m-4 4h16m-9 4h1m0 0v3\"\u002F>",{"left":15,"top":15,"width":26,"height":26,"rotate":15,"vFlip":13,"hFlip":13,"body":55},"\u003Cpath fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M18 6L6 18M6 6l12 12\"\u002F>",{"slug":57,"title":58,"excerpt":59,"image":60,"publishedAt":61,"topics":62,"readMinutes":66,"html":67,"metaTitle":58,"metaDescription":68,"shareImage":69,"updatedAt":73,"author":74,"related":76},"stretch-ixgbe-driver-allow-unsupported-sfp-modules-on-intel-x520-cards","Debian: IXGBE Driver - Allow unsupported SFP+ Modules on Intel X520 Cards","The Server hardware we use for Proxmox deployments often has Intel X520 (ixgbe driver) or X710 (i40e driver) cards installed. These provide for several SFP+ ports required for 10 Gigabit connectivity. Enterprise vendors such as DELL and Intel provide compatibility lists for SFP transceivers that are supported by their network adapters. Often times adapter firmware requires specifically encoded modules, preventing any unsupported modules from being initialized. One way to work around this probl","\u002Fcontent\u002Fimages\u002F2019\u002F09\u002FIMG_20190926_171628.resized-2.jpg","2019-09-27T17:50:00.000+08:00",[63],{"key":64,"label":65},"guides","Guides",2,"\u003Cp>The Server hardware we use for Proxmox deployments often has Intel X520 (ixgbe driver) or X710 (i40e driver) cards installed. These provide for several SFP+ ports required for 10 Gigabit connectivity.\u003C\u002Fp>\u003Cp>Enterprise vendors such as DELL and \u003Ca href=\"https:\u002F\u002Fwww.intel.com\u002Fcontent\u002Fwww\u002Fus\u002Fen\u002Fsupport\u002Farticles\u002F000005528\u002Fnetwork-and-i-o\u002Fethernet-products.html?ref=ghost.jdneer.com\">Intel provide compatibility lists\u003C\u002Fa> for SFP transceivers that are supported by their network adapters. Often times adapter firmware requires specifically encoded modules, preventing any unsupported modules from being initialized.\u003C\u002Fp>\u003Cfigure class=\"kg-card kg-image-card kg-card-hascaption\">\u003Cimg src=\"\u002Fcontent\u002Fimages\u002F2019\u002F09\u002FIMG_20190926_171309.resized.jpg\" class=\"kg-image\" alt=\"\" loading=\"lazy\" width=\"1984\" height=\"1120\" srcset=\"\u002Fcontent\u002Fimages\u002Fsize\u002Fw600\u002F2019\u002F09\u002FIMG_20190926_171309.resized.jpg 600w, \u002Fcontent\u002Fimages\u002Fsize\u002Fw1000\u002F2019\u002F09\u002FIMG_20190926_171309.resized.jpg 1000w, \u002Fcontent\u002Fimages\u002Fsize\u002Fw1600\u002F2019\u002F09\u002FIMG_20190926_171309.resized.jpg 1600w, \u002Fcontent\u002Fimages\u002F2019\u002F09\u002FIMG_20190926_171309.resized.jpg 1984w\" sizes=\"(min-width: 720px) 720px\" \u002F>\u003Cfigcaption>\u003Cspan>DELL 669869-004 DELL X520\u002FI350 DAUGHTER CARD 10GE of a DELL PowerEdge R620\u003C\u002Fspan>\u003C\u002Ffigcaption>\u003C\u002Ffigure>\u003Cp>One way to work around this problem is to use generic SFP transceivers\u002Fmodules from \u003Ca href=\"http:\u002F\u002Ffiberstore.com\u002F?ref=ghost.jdneer.com\">FS.com\u003C\u002Fa>. Then, using the \u003Ca href=\"https:\u002F\u002Fwww.fs.com\u002Fsg\u002Fproducts\u002F75866.html?ref=ghost.jdneer.com\">FS Box\u003C\u002Fa> all generic modules can be (re-)encoded on-the-fly to work with any enterprise gear including such from Juniper, DELL and Cisco.\u003C\u002Fp>\u003Cfigure class=\"kg-card kg-image-card kg-card-hascaption\">\u003Cimg src=\"\u002Fcontent\u002Fimages\u002F2019\u002F09\u002FIMG_20190926_165634.resized-5.jpg\" class=\"kg-image\" alt=\"\" loading=\"lazy\" width=\"1984\" height=\"1120\" srcset=\"\u002Fcontent\u002Fimages\u002Fsize\u002Fw600\u002F2019\u002F09\u002FIMG_20190926_165634.resized-5.jpg 600w, \u002Fcontent\u002Fimages\u002Fsize\u002Fw1000\u002F2019\u002F09\u002FIMG_20190926_165634.resized-5.jpg 1000w, \u002Fcontent\u002Fimages\u002Fsize\u002Fw1600\u002F2019\u002F09\u002FIMG_20190926_165634.resized-5.jpg 1600w, \u002Fcontent\u002Fimages\u002F2019\u002F09\u002FIMG_20190926_165634.resized-5.jpg 1984w\" sizes=\"(min-width: 720px) 720px\" \u002F>\u003Cfigcaption>\u003Cspan>Trying to use unsupported modules with an X520 under Debian\u003C\u002Fspan>\u003C\u002Ffigcaption>\u003C\u002Ffigure>\u003Cp>But... what to do in case you don't have access to an FS Box?\u003C\u002Fp>\u003Cfigure class=\"kg-card kg-code-card\">\u003Cpre>\u003Ccode>root@XXXX-pveX:~# lsb_release -a\nDistributor ID:\tDebian\nDescription:\tDebian GNU\u002FLinux 9.9 (stretch)\nRelease:\t9.9\nCodename:\tstretch\n\u003C\u002Fcode>\u003C\u002Fpre>\u003Cfigcaption>\u003Cp>\u003Cspan>Verifying Debian version using LSB release utility.\u003C\u002Fspan>\u003C\u002Fp>\u003C\u002Ffigcaption>\u003C\u002Ffigure>\u003Cp>Well, at least in case of Linux and an Intel X520 the answer is simple; you tell the IXGBE driver to allow unsupported modules.\u003C\u002Fp>\u003Cfigure class=\"kg-card kg-code-card\">\u003Cpre>\u003Ccode>root@XXXX-pveX:~# echo \"options ixgbe allow_unsupported_sfp=1\" > \u002Fetc\u002Fmodprobe.d\u002Fixgbe.conf:\nroot@XXXX-pveX:~# depmod -a\nroot@XXXX-pveX:~# update-initramfs -u -k `uname -r`\u003C\u002Fcode>\u003C\u002Fpre>\u003Cfigcaption>\u003Cp>\u003Cspan>Enable unsupported SFP transceivers to be used in SFP+ ports of Intel X520 10G network adapter.\u003C\u002Fspan>\u003C\u002Fp>\u003C\u002Ffigcaption>\u003C\u002Ffigure>\u003Cp>The above does the following:\u003C\u002Fp>\u003Cul>\u003Cli>Set the \u003Cstrong>allow_unsupported_sfp\u003C\u002Fstrong> option for the IXGBE driver\u003C\u002Fli>\u003Cli>Tell the kernel to reload\u002Fprobe all kernel modules applying the changes\u003C\u002Fli>\u003Cli>Update the initial ramdisk for the currently used kernel (so changes are loaded during boot)\u003C\u002Fli>\u003C\u002Ful>\u003Cp>There's no need to repeat any of the steps outlined above when installing new kernel versions (e.g. as part of system updates). The initial ramdisk of any new kernel will automatically include the specified options for the ixgbe driver.\u003C\u002Fp>\u003Cp>Similar options are available for other kernel modules\u002Fdrivers! To get a full list of available options of a specific driver you may use the \u003Cstrong>modinfo\u003C\u002Fstrong> command.\u003C\u002Fp>\u003Cpre>\u003Ccode>root@XXXX-pveX:~# modinfo ixgbe | egrep '^(file|version|descr|parm)'\nfilename:       \u002Flib\u002Fmodules\u002F4.15.18-16-pve\u002Fkernel\u002Fdrivers\u002Fnet\u002Fethernet\u002Fintel\u002Fixgbe\u002Fixgbe.ko\nversion:        5.1.0-k\ndescription:    Intel(R) 10 Gigabit PCI Express Network Driver\nparm:           max_vfs:Maximum number of virtual functions to allocate per physical function - default is zero and maximum value is 63. (Deprecated) (uint)\nparm:           allow_unsupported_sfp:Allow unsupported and untested SFP+ modules on 82599-based adapters (uint)\nparm:           debug:Debug level (0=none,...,16=all) (int)\n\u003C\u002Fcode>\u003C\u002Fpre>","The Server hardware we use for Proxmox deployments often has Intel X520 (ixgbe driver) or X710 (i40e driver) cards installed. These provide for several...",{"src":60,"height":70,"width":71,"type":72},1120,1984,"image\u002Fjpeg","2025-01-13T09:41:39.000+08:00",{"name":75,"url":10,"owner":5},"JD Bungart",[77,89,97,105],{"slug":78,"title":79,"excerpt":80,"image":81,"publishedAt":82,"topics":83,"readMinutes":88},"package-cooldowns-github-package-firewall-npm-pnpm-bun-pip-uv-poetry","Package Cooldowns Compared: GitHub Package Firewall vs. What npm, pnpm, Yarn, Bun, pip, uv and Poetry Already Do","GitHub now offers an install-time firewall for npm, free in preview and metered later. Most package managers already ship a free cooldown. Here is what each tool does, the copy-paste config, and where cooldowns stop helping.","\u002Fcontent\u002Fimages\u002F2026\u002F10\u002Fpkg-cooldowns-conveyor-alberto-rodriguez-unsplash.jpg","2026-10-26T14:00:00.000+08:00",[84,85],{"key":64,"label":65},{"key":86,"label":87},"security","Security",1,{"slug":90,"title":91,"excerpt":92,"image":93,"publishedAt":94,"topics":95,"readMinutes":88},"hetzner-cloud-private-network-behind-your-own-firewall","Building a Private Network on Hetzner Cloud Behind Your Own Firewall","Keep servers off the public internet: a Hetzner Cloud private network with one route, your own firewall as the gateway, and working configs for Ubuntu and Rocky Linux 8.","\u002Fcontent\u002Fimages\u002F2026\u002F10\u002Fhetzner-private-network-feature-a1.png","2026-10-22T20:00:00.000+08:00",[96],{"key":64,"label":65},{"slug":98,"title":99,"excerpt":100,"image":101,"publishedAt":102,"topics":103,"readMinutes":88},"guide-to-setting-up-an-ookla-speedtest-server-on-rockylinux-8","Guide to Setting Up an OOKLA Speedtest Server on RockyLinux 8\u002F9","I'm gonna walk you through a simple guide to get your OOKLA Speedtest server(s) up and running on RockyLinux 8. 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