204 lines
25 KiB
JSON
204 lines
25 KiB
JSON
{
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"docs": [
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{
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"location": "/",
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"text": "Welcome to Trent Docs\n\n\nGit Repo For These Docs\n\n\nObviously, the commit history will reflect the time when these documents are written.\n\n\n\n\nServe And Share Apps From Your Phone With Fdroid\n\n\nNspawn Containers\n\n\nQuick Dirty Redis Nspawn Container on Arch Linux\n\n\nQuick Dirty Postgresql Nspawn Container on Arch Linux",
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"title": "Home"
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},
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{
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"location": "/#welcome-to-trent-docs",
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"text": "",
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"title": "Welcome to Trent Docs"
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},
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{
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"location": "/#git-repo-for-these-docs",
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"text": "Obviously, the commit history will reflect the time when these documents are written. Serve And Share Apps From Your Phone With Fdroid Nspawn Containers Quick Dirty Redis Nspawn Container on Arch Linux Quick Dirty Postgresql Nspawn Container on Arch Linux",
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"title": "Git Repo For These Docs"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/",
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"text": "Serve And Share Apps From Your Phone With Fdroid\n\n\nThis can speed up the process of updating apps on your devices, especially if fdroid is slow. \n\n\nStep 3: you are born on third base, find the menu item for \nSwap apps\n on phone one\n\n\nOpen fdroid, and navigate to the menu by touching three dots in upper right hand corner of the screen. Select \nSwap apps\n.\n\n\n\n\nStep 4: enable the repo server on phone one\n\n\nOn the next screen toggle on \nVisible via Wi-Fi\n\n\n\n\nStep 5: a small step for your android\n\n\nAt the bottom of the screen select \nSCAN QR CODE\n\n\n\n\nStep 6: choose which apps to serve from phone one\n\n\nAt the next screen \nChoose Apps\n you want to xerve I mean serve and then touch the -> right arrow to proceed\n\n\n\n\nStep 7: another small step for your android\n\n\nTouch the -> right arrow again, do it.\n\n\n\n\nOcho: <- this means step eight\n\n\nTouch the -> right arrow until you are coming here\n\n\n\nNotice you can use either a qr code or a local url, so grab one of your other phones.\n\n\nPrivacy Friendly Qr Scanner\n appears to be a good Qr scanner,\nbut of course you can key in the url by hand too.\n\n\nStep 9: find the menu item for \nRepositories\n on phone two\n\n\nOn your other phone open fdroid, navigate to menu by selecting the 3 dots in the upper right hand corner and choose \nRepositories\n\n\n\n\nStep 10: (temporarily) toggle off the remote repos on phone two\n\n\nToggle all the current repos off and then if you want to key in the new local repo url by hand touch the + plus in the upper right hand corner\n\n\n\n\nStep 11 A: key in the local repo url by hand on phone two\n\n\nAfter touching the + plus button in \nStep Ten\n on phone two, you can fill in the url address that corresponds to the photo in \nOcho\n\n\n\n\nStep 12 A: or scan in the local repo url with qr code on phone two\n\n\nIf you prefer not to key in the url by hand, on phone two touch the\nhome button and then open your qr-scanning application and scan the\nqr code on phone one, as seen in photo \nOcho\n. The qr-scanning\napp will direct you to open fdroid, and your result will be the same as\nthe photo in \nStep Eleven A\n\n\nStep 13: profit from moar faster local downloads\n\n\nOn phone two you can now download and install apps and updates from phone one, and the download speed will be much faster than from the internet.\n\n\n\n\nStep 14: how to remember all this?\n\n\nYou can bookmark.\n\n\nIn fact, you can add a shortcut icon directly to \n\nthis page\n,\non your home screen,\nas seen here with IceCat, a debranded build of the latest extended-support-release\nof FireFox for Android.\n\n\nOr you can clone \nthe git repo\n\nwhich this site automatically builds itself from.",
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"title": "Serve And Share Apps From Your Phone With Fdroid"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#serve-and-share-apps-from-your-phone-with-fdroid",
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"text": "This can speed up the process of updating apps on your devices, especially if fdroid is slow.",
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"title": "Serve And Share Apps From Your Phone With Fdroid"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#step-3-you-are-born-on-third-base-find-the-menu-item-for-swap-apps-on-phone-one",
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"text": "",
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"title": "Step 3: you are born on third base, find the menu item for Swap apps on phone one"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#open-fdroid-and-navigate-to-the-menu-by-touching-three-dots-in-upper-right-hand-corner-of-the-screen-select-swap-apps",
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"text": "",
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"title": "Open fdroid, and navigate to the menu by touching three dots in upper right hand corner of the screen. Select Swap apps."
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#step-4-enable-the-repo-server-on-phone-one",
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"text": "",
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"title": "Step 4: enable the repo server on phone one"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#on-the-next-screen-toggle-on-visible-via-wi-fi",
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"text": "",
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"title": "On the next screen toggle on Visible via Wi-Fi"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#step-5-a-small-step-for-your-android",
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"text": "",
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"title": "Step 5: a small step for your android"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#at-the-bottom-of-the-screen-select-scan-qr-code",
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"text": "",
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"title": "At the bottom of the screen select SCAN QR CODE"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#step-6-choose-which-apps-to-serve-from-phone-one",
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"text": "",
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"title": "Step 6: choose which apps to serve from phone one"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#at-the-next-screen-choose-apps-you-want-to-xerve-i-mean-serve-and-then-touch-the-right-arrow-to-proceed",
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"text": "",
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"title": "At the next screen Choose Apps you want to xerve I mean serve and then touch the -> right arrow to proceed"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#step-7-another-small-step-for-your-android",
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"text": "",
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"title": "Step 7: another small step for your android"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#touch-the-right-arrow-again-do-it",
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"text": "",
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"title": "Touch the -> right arrow again, do it."
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#ocho-this-means-step-eight",
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"text": "",
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"title": "Ocho: <- this means step eight"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#touch-the-right-arrow-until-you-are-coming-here",
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"text": "Notice you can use either a qr code or a local url, so grab one of your other phones. Privacy Friendly Qr Scanner appears to be a good Qr scanner,\nbut of course you can key in the url by hand too.",
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"title": "Touch the -> right arrow until you are coming here"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#step-9-find-the-menu-item-for-repositories-on-phone-two",
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"text": "",
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"title": "Step 9: find the menu item for Repositories on phone two"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#on-your-other-phone-open-fdroid-navigate-to-menu-by-selecting-the-3-dots-in-the-upper-right-hand-corner-and-choose-repositories",
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"text": "",
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"title": "On your other phone open fdroid, navigate to menu by selecting the 3 dots in the upper right hand corner and choose Repositories"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#step-10-temporarily-toggle-off-the-remote-repos-on-phone-two",
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"text": "",
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"title": "Step 10: (temporarily) toggle off the remote repos on phone two"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#toggle-all-the-current-repos-off-and-then-if-you-want-to-key-in-the-new-local-repo-url-by-hand-touch-the-plus-in-the-upper-right-hand-corner",
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"text": "",
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"title": "Toggle all the current repos off and then if you want to key in the new local repo url by hand touch the + plus in the upper right hand corner"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#step-11-a-key-in-the-local-repo-url-by-hand-on-phone-two",
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"text": "",
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"title": "Step 11 A: key in the local repo url by hand on phone two"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#after-touching-the-plus-button-in-step-ten-on-phone-two-you-can-fill-in-the-url-address-that-corresponds-to-the-photo-in-ocho",
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"text": "",
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"title": "After touching the + plus button in Step Ten on phone two, you can fill in the url address that corresponds to the photo in Ocho"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#step-12-a-or-scan-in-the-local-repo-url-with-qr-code-on-phone-two",
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"text": "If you prefer not to key in the url by hand, on phone two touch the\nhome button and then open your qr-scanning application and scan the\nqr code on phone one, as seen in photo Ocho . The qr-scanning\napp will direct you to open fdroid, and your result will be the same as\nthe photo in Step Eleven A",
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"title": "Step 12 A: or scan in the local repo url with qr code on phone two"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#step-13-profit-from-moar-faster-local-downloads",
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"text": "",
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"title": "Step 13: profit from moar faster local downloads"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#on-phone-two-you-can-now-download-and-install-apps-and-updates-from-phone-one-and-the-download-speed-will-be-much-faster-than-from-the-internet",
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"text": "",
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"title": "On phone two you can now download and install apps and updates from phone one, and the download speed will be much faster than from the internet."
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#step-14-how-to-remember-all-this",
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"text": "",
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"title": "Step 14: how to remember all this?"
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},
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{
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"location": "/serve_and_share_apps_from_your_phone_with_fdroid/#you-can-bookmark",
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"text": "In fact, you can add a shortcut icon directly to this page ,\non your home screen,\nas seen here with IceCat, a debranded build of the latest extended-support-release\nof FireFox for Android. \nOr you can clone the git repo \nwhich this site automatically builds itself from.",
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"title": "You can bookmark."
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},
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{
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"location": "/nspawn/",
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"text": "Nspawn Containers\n\n\nThis Link For Arch Linux Wiki for Nspawn Containers\n\n\nI like the idea of starting with the easy containers first.\n\n\nCreate a FileSystem\n\n\ncd /var/lib/machines\n# create a directory\nmkdir <container>\n# use pacstrap to create a file system\npacstrap -i -c -d <container> base --ignore linux\n\n\n\n\nAt this point you might want to copy over some configs to save time later.\n\n\n\n\n/etc/locale.conf\n\n\n/root/.bashrc\n\n\n/etc/locale.gen\n\n\n\n\nFirst boot and create root password\n\n\nsystemd-nspawn -b -D <container>\npasswd\n# assuming you copied over /etc/locale.gen\nlocale-gen\n# set timezone\ntimedatectl set-timezone <timezone>\n# enable network time\ntimedatectl set-ntp 1\n# enable networking\nsystemctl enable systemd-networkd\nsystemctl enable systemd-resolved\npoweroff\n# if you want to nat the container add *-n* flag\nsystemd-nspawn -b -D <container> -n\n# and to bind mount the package cache\nsystemd-nspawn -b -D <container> -n --bind=/var/cache/pacman/pkg\n\n\n\n\nNetworking\n\n\nHere's a link that skips ahead to \nAutomatically Starting the Container\n\n\nOn Arch, assuming you have systemd-networkd and systemd-resolved\nset up correctly, networking from the host end of things should\njust work.\n\nHowever on Linode it does not. What does work on Linode is to create\na bridge interface. Two files for br0 will get the job done.\n\n\n# /etc/systemd/network/50-br0.netdev\n[NetDev]\nName=br0\nKind=bridge\n\n\n\n\n# /etc/systemd/network/50-br0.netdev\n[Match]\nName=br0\n\n[Network]\nAddress=10.0.55.1/24 # arbitrarily pick a subnet range to taste\nDHCPServer=yes\nIPMasquerade=yes\n\n\n\n\nNotice how the configuration file tells systemd-networkd to offer\nDHCP service and to perform masquerade. You can modify the \nsystemd-nspawn\n\ncommand to use the bridge interface. Every container attached to this bridge\nwill be on the same subnet and able to talk to each other.\n\n\n# first restart systemd-networkd to bring up the new bridge interface\nsystemctl restart systemd-networkd\n# and add --network-bridge=br0 to systemd-nspawn command\nsystemd-nspawn -b -D <container> --network-bridge=br0 --bind=/var/cache/pacman/pkg\n\n\n\n\nAutomatically Starting the Container\n\n\nHere's a link back up to \nNetworking\n\nin case you previously skipped ahead.\n\n\nThere are two ways to automate starting the container. You can override\n\nsystemd-nspawn@.service\n or create an \nnspawn\n file. \n\n\nFirst enable machines.target\n\n\n# to override the systemd-nspawn@.service file\ncp /lib/systemd/system/systemd-nspawn@.service /etc/systemd/system/systemd-nspawn@<container>.service\n\n\n\n\nEdit \n/etc/systemd/system/systemd-nspawn@<container>.service\n to add the \nsystemd-nspawn\n options\nyou want to the \nExecStart\n command.\n\n\nOr create \n/etc/systemd/nspawn/<container>.nspawn\n\n\n# /etc/systemd/nspawn/<container>.nspawn\n[Files]\nBind=/var/cache/pacman/pkg\n\n[Network]\nBridge=br0\n\n\n\n\n# /etc/systemd/nspawn/<container>.nspawn\n[Files]\nBind=/var/cache/pacman/pkg\n\n[Network]\nVirtualEthernet=1 # this seems to be the default sometimes, though\n\n\n\n\n# in either case\nsystemctl start/enable systemd-nspawn@<container>\n# to get a shell\nmachinectl shell <container>\n# and then to get an environment\nbash\n\n\n\n\nThis would be a good time to check for network and name resolution,\nsymlink resolv.conf if need be.\n\n\nInitial Configuration Inside The Container\n\n\n# set time zone if you don't want UTC\ntimedatectl set-timezone <timezone>\n# enable ntp, networktime\ntimedatectl set-ntp 1\n# enable networking from inside the container\nsystemctl enable systemd-networkd\nsystemctl start systemd-networkd\nsystemctl enable systemd-resolved\nsystemctl start systemd-resolved\nrm /etc/resolv.conf \nln -s /run/systemd/resolve/resolv.conf /etc/\n# ping google\nping -c 3 google.com\n\n\n\n\nIf you want to change the locale\n\n\nFinal Observations\n\n\n\n\nYou can start/stop nspawn containers with \nmachinectl\n command. \n\n\nYou can start nspawn containers with \nsystemd-nspawn\n command.\n\n\nYou can configure the systemd service for a container with @nspawn.service file override\n\n\nOr you can configure an nspawn container with a dot.nspawn file\n\n\n\n\nBut in regards to the above list\nI have noticed differences in behaviour,\nin some scenarios, concerning file attributes\nfor bind mounts.\n\n\nAnother curiosity: when you have nspawn containers natted on VirtualEthernet connections,\nthey might be able to ping each other at 10.x.y.z, but not resolve each other. But they might\nbe able to resolve each other if they are all connected to the same bridge interface or nspawn\nnetwork zone, but will randomly resolve each other in any of the 10.x.y.z, 169.x.y.z,\nor fe80::....:....:....%host (ipv6 local) spaces, which would complicate configuring the containers\nto talk to each other. But I intend to look into this some more.",
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"title": "Nspawn"
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},
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{
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"location": "/nspawn/#nspawn-containers",
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"text": "This Link For Arch Linux Wiki for Nspawn Containers I like the idea of starting with the easy containers first.",
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"title": "Nspawn Containers"
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},
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{
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"location": "/nspawn/#create-a-filesystem",
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"text": "cd /var/lib/machines\n# create a directory\nmkdir <container>\n# use pacstrap to create a file system\npacstrap -i -c -d <container> base --ignore linux At this point you might want to copy over some configs to save time later. /etc/locale.conf /root/.bashrc /etc/locale.gen",
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"title": "Create a FileSystem"
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},
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{
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"location": "/nspawn/#first-boot-and-create-root-password",
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"text": "systemd-nspawn -b -D <container>\npasswd\n# assuming you copied over /etc/locale.gen\nlocale-gen\n# set timezone\ntimedatectl set-timezone <timezone>\n# enable network time\ntimedatectl set-ntp 1\n# enable networking\nsystemctl enable systemd-networkd\nsystemctl enable systemd-resolved\npoweroff\n# if you want to nat the container add *-n* flag\nsystemd-nspawn -b -D <container> -n\n# and to bind mount the package cache\nsystemd-nspawn -b -D <container> -n --bind=/var/cache/pacman/pkg",
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"title": "First boot and create root password"
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},
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{
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"location": "/nspawn/#networking",
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"text": "Here's a link that skips ahead to Automatically Starting the Container On Arch, assuming you have systemd-networkd and systemd-resolved\nset up correctly, networking from the host end of things should\njust work. \nHowever on Linode it does not. What does work on Linode is to create\na bridge interface. Two files for br0 will get the job done. # /etc/systemd/network/50-br0.netdev\n[NetDev]\nName=br0\nKind=bridge # /etc/systemd/network/50-br0.netdev\n[Match]\nName=br0\n\n[Network]\nAddress=10.0.55.1/24 # arbitrarily pick a subnet range to taste\nDHCPServer=yes\nIPMasquerade=yes Notice how the configuration file tells systemd-networkd to offer\nDHCP service and to perform masquerade. You can modify the systemd-nspawn \ncommand to use the bridge interface. Every container attached to this bridge\nwill be on the same subnet and able to talk to each other. # first restart systemd-networkd to bring up the new bridge interface\nsystemctl restart systemd-networkd\n# and add --network-bridge=br0 to systemd-nspawn command\nsystemd-nspawn -b -D <container> --network-bridge=br0 --bind=/var/cache/pacman/pkg",
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"title": "Networking"
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},
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{
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"location": "/nspawn/#automatically-starting-the-container",
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"text": "Here's a link back up to Networking \nin case you previously skipped ahead. There are two ways to automate starting the container. You can override systemd-nspawn@.service or create an nspawn file. First enable machines.target # to override the systemd-nspawn@.service file\ncp /lib/systemd/system/systemd-nspawn@.service /etc/systemd/system/systemd-nspawn@<container>.service Edit /etc/systemd/system/systemd-nspawn@<container>.service to add the systemd-nspawn options\nyou want to the ExecStart command. Or create /etc/systemd/nspawn/<container>.nspawn # /etc/systemd/nspawn/<container>.nspawn\n[Files]\nBind=/var/cache/pacman/pkg\n\n[Network]\nBridge=br0 # /etc/systemd/nspawn/<container>.nspawn\n[Files]\nBind=/var/cache/pacman/pkg\n\n[Network]\nVirtualEthernet=1 # this seems to be the default sometimes, though # in either case\nsystemctl start/enable systemd-nspawn@<container>\n# to get a shell\nmachinectl shell <container>\n# and then to get an environment\nbash This would be a good time to check for network and name resolution,\nsymlink resolv.conf if need be.",
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"title": "Automatically Starting the Container"
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},
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{
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"location": "/nspawn/#initial-configuration-inside-the-container",
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"text": "# set time zone if you don't want UTC\ntimedatectl set-timezone <timezone>\n# enable ntp, networktime\ntimedatectl set-ntp 1\n# enable networking from inside the container\nsystemctl enable systemd-networkd\nsystemctl start systemd-networkd\nsystemctl enable systemd-resolved\nsystemctl start systemd-resolved\nrm /etc/resolv.conf \nln -s /run/systemd/resolve/resolv.conf /etc/\n# ping google\nping -c 3 google.com If you want to change the locale",
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"title": "Initial Configuration Inside The Container"
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},
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{
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"location": "/nspawn/#final-observations",
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"text": "You can start/stop nspawn containers with machinectl command. You can start nspawn containers with systemd-nspawn command. You can configure the systemd service for a container with @nspawn.service file override Or you can configure an nspawn container with a dot.nspawn file But in regards to the above list\nI have noticed differences in behaviour,\nin some scenarios, concerning file attributes\nfor bind mounts. Another curiosity: when you have nspawn containers natted on VirtualEthernet connections,\nthey might be able to ping each other at 10.x.y.z, but not resolve each other. But they might\nbe able to resolve each other if they are all connected to the same bridge interface or nspawn\nnetwork zone, but will randomly resolve each other in any of the 10.x.y.z, 169.x.y.z,\nor fe80::....:....:....%host (ipv6 local) spaces, which would complicate configuring the containers\nto talk to each other. But I intend to look into this some more.",
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"title": "Final Observations"
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},
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{
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"location": "/arch_redis_nspawn/",
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"text": "Quick Dirty Redis Nspawn Container on Arch Linux\n\n\nRefer to the \nNspawn\n page for setting up the nspawn container,\ninstall redis, and start/enable redis.service.\nOnce you have the container running, it seems all you have to do to get\nthings working in a container subnet is to change the bind address.\n\n\n# /etc/redis.conf\n# bind 127.0.0.1\nbind 0.0.0.0\n\n\n\n\nyou can nmap port 6379, be sure to restart redis\n\n\nAgain I would refer you to the Arch Wiki",
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"title": "Quick Dirty Redis Nspawn Container on Arch Linux"
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},
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{
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"location": "/arch_redis_nspawn/#quick-dirty-redis-nspawn-container-on-arch-linux",
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"text": "Refer to the Nspawn page for setting up the nspawn container,\ninstall redis, and start/enable redis.service.\nOnce you have the container running, it seems all you have to do to get\nthings working in a container subnet is to change the bind address. # /etc/redis.conf\n# bind 127.0.0.1\nbind 0.0.0.0 you can nmap port 6379, be sure to restart redis Again I would refer you to the Arch Wiki",
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"title": "Quick Dirty Redis Nspawn Container on Arch Linux"
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},
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|
{
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"location": "/arch_postgresql_nspawn/",
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"text": "Quick Dirty Postgresql Nspawn Container on Arch Linux\n\n\nRefer to the \nNspawn\n page for setting up the nspawn container.\n\nAnd then refer the \nArchWiki instructions\n\nfor postgresql. \n\n\nYou'll want to install postgresql, set a password for the default user \npostgres\n,\nand then login as postgres and initilize the database. \n\n\npacman -S postgresql\n# passwd for postgresql user \npasswd postgres \n# login as postgres \nsu -l postgres\n# initialize the databse cluster\n[postgres]$ initdb --locale $LANG -E UTF8 -D '/var/lib/postgres/data'\n\n\n\n\nYou'll need to configure \n/var/lib/postgres/data/pg_hba.conf\n and\n\n/var/lib/postgres/data/postgresql.conf\n for remote access,\npresumably with an identd daemon in mind. The ident daemon will\nlisten on port 113, not on the machine with the database server,\nbut it listens from the machine where is the client that remotely\nwants to access the database.",
|
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"title": "Quick Dirty Postgresql Nspawn Container on Arch Linux"
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},
|
|
{
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|
"location": "/arch_postgresql_nspawn/#quick-dirty-postgresql-nspawn-container-on-arch-linux",
|
|
"text": "Refer to the Nspawn page for setting up the nspawn container. \nAnd then refer the ArchWiki instructions \nfor postgresql. You'll want to install postgresql, set a password for the default user postgres ,\nand then login as postgres and initilize the database. pacman -S postgresql\n# passwd for postgresql user \npasswd postgres \n# login as postgres \nsu -l postgres\n# initialize the databse cluster\n[postgres]$ initdb --locale $LANG -E UTF8 -D '/var/lib/postgres/data' You'll need to configure /var/lib/postgres/data/pg_hba.conf and /var/lib/postgres/data/postgresql.conf for remote access,\npresumably with an identd daemon in mind. The ident daemon will\nlisten on port 113, not on the machine with the database server,\nbut it listens from the machine where is the client that remotely\nwants to access the database.",
|
|
"title": "Quick Dirty Postgresql Nspawn Container on Arch Linux"
|
|
}
|
|
]
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|
} |