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Diffstat (limited to 'guides/setups/operating-systems/debian.org')
| -rw-r--r-- | guides/setups/operating-systems/debian.org | 676 |
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diff --git a/guides/setups/operating-systems/debian.org b/guides/setups/operating-systems/debian.org deleted file mode 100644 index 21aff43..0000000 --- a/guides/setups/operating-systems/debian.org +++ /dev/null @@ -1,676 +0,0 @@ -* Installation -** Step-by-step recap (Bullseye) -*** Setup keyboard -Turn CapsLock key into Control (cf. keyboard(5)): -- add =ctrl:nocaps= to =XKBOPTIONS= in =/etc/default/keyboard= -- run =udevadm trigger --subsystem-match=input --action=change= -- run =setupcon= in a TTY -*** Install stuff -**** Distro-provided packages -#+begin_src sh -packages=( - # To clone & update dotfiles. - git - # Look & feel. - elementary-xfce-icon-theme greybird-gtk-theme - # Enable volume management with Thunar. - gvfs-backends gvfs-fuse - # System monitoring. - htop powertop wavemon - # Documentation: - # - info pages, - gcc-doc make-doc tar-doc info - # - manpages, - manpages-dev manpages-posix manpages-posix-dev - # - text & HTML pages. - git-doc python3-doc - # Writing helpers. - aspell-fr verbiste wordnet - # CLI helpers. - mlocate ripgrep vim - # Fonts. - fonts-noto-color-emoji - # Miscellaneous applications. - ffmpeg gimp pandoc terminator vlc -) -sudo apt install ${packages[@]} -#+end_src -**** Latest and greatest -***** Firefox -- download most recent release from from <https://www.mozilla.org> -- unpack it =$SOMEWHERE= -- make sure everyone can find it: - -#+begin_src sh -$ sudo update-alternatives --install $(which x-www-browser) x-www-browser \ - ${SOMEWHERE}/firefox/firefox 1 -$ sudo update-alternatives --set x-www-browser ${SOMEWHERE}/firefox/firefox -$ ln -s ${SOMEWHERE}/firefox/firefox ~/.local/bin/ -#+end_src - -- paste backuped profile into =~/.mozilla/firefox/${profile}= -***** Symbola -- grab the archive from <http://users.teilar.gr/~g1951d/> -- drop the TTF files in =~/.local/share/fonts= -- run =fc-cache -fv= -***** youtube-dl -#+begin_src sh -$ sudo apt install python3-pip -$ pip3 install --user youtube-dl -#+end_src -*** Setup dotfiles -**** Clone versioned dotfiles -- create new SSH key for GitLab -- follow instructions in dotfiles README -**** Tweak non-versioned dotfiles -- set EMAIL in =.profile= -- add =~/.local/bin= to PATH -- copy =.profile= to =.xsessionrc= -- in =.bashrc= - - enable globstar and autocd - - uncomment grep and ls aliases - - source =~/.bash_prompt= -*** Setup Emacs -- clone from Savannah -- =apt build-dep emacs= -- =apt install libgconf2-dev libwebkit2gtk-4.0-dev= - (optional build dependencies for ≥27) -- comment out .emacs below =(load custom-file)= -#+begin_src elisp -(package-refresh-contents) -(package-install-selected-packages) -#+end_src -*** Setup XFCE -**** Appearance -***** Style -Greybird-dark -***** Icons -elementary Xfce darker -***** Fonts -- Rendering - - [X] Enable anti-aliasing - - Hinting: Slight - - Sub-pixel order: RGB (trusting the [[http://www.lagom.nl/lcd-test/subpixel.php][Lagom LCD test pages]]) -**** File Manager -***** View -- Side Pane: Tree -- View as Detailed List -**** Panel -***** Top panel -****** Items -******* Whisker Menu -******* Window Buttons -******* Separator -******* Workspace Switcher -******* Separator -******* Status Tray Plugin -******* PulseAudio Plugin -******* Power Manager Plugin -- Show label: None -******* Notification Plugin -******* Separator -******* Clock -***** Bottom panel -Delete. -**** Window Manager -***** Keyboard -- Move window to previous workspace: Shift+Super+Left -- Move window to next workspace: Shift+Super+Right -- Tile window to the left: Super+Left -- Tile window to the right: Super+Right -- Show desktop: Super+D -**** Window Manager Tweaks -***** Accessibility -- [X] Hide title of windows when maximized -***** Compositor -- [ ] Show shadows under… -**** Terminal -***** General -- Scrolling - - [ ] Scroll on output - - Scrollbar is: Disabled - - [X] Unlimited scrollback -***** Appearance -- Font - - [X] Use system font -- Opening New Windows - - [ ] Display menubar in new windows -***** Advanced -- Shortcuts - - [X] Disable all menu access keys (such as Alt+f) /for readline/ - - [X] Disable menu shortcut key (F10 by default) /for htop & - wavemon/ - - [X] Disable help window shortcut key (F1 by default) /for htop & - wavemon/ -- Misc - - [X] Automatically copy selection to clipboard -**** Keyboard -***** Application shortcuts -- emacs: Super+E -- exo-open --launch FileManager: Super+F -- exo-open --launch TerminalEmulator: Super+T -- exo-open --launch WebBrowser: Super+W -- xfce4-popup-whiskermenu: Alt+F1 -- xfce4-screenshooter: Print -- xfce4-screenshooter --fullscreen: Shift+Print -- xfce4-screenshooter --region: Control+Print -- xfce4-screenshooter --window: Super+Print -- xfce4-session-logout: Super+X -- xflock4: Super+L -**** Mouse and Touchpad -***** Devices -- =… Touchpad= - - Touchpad - - [X] Tap touchpad to click -**** Power Manager -***** System -- On battery / Plugged in - - When laptop lid is closed: Suspend -**** Removable Drives and Media -***** Storage -- [X] Mount removable drives when hot-plugged -- [X] Mount removable media when inserted - -*** Setup more stuff -**** lightdm -Show my account on startup: -#+begin_src conf -# /usr/share/lightdm/lightdm.conf.d/99_custom.conf -[Seat:*] -greeter-hide-users=false -#+end_src -**** system groups -#+begin_src sh -groups=( - adm # Access /var/log journals. - dialout # Sync my phone. -) -for g in ${groups[@]} -do - sudo adduser ${USER} ${g} -done -#+end_src -** Live reactions -*** Samsung NC10 (Buster) -**** installer -Touchpad is not recognized, for some reason. -**** first boot -#+BEGIN_QUOTE -A start job is running for Load AppArmor profiles -#+END_QUOTE -Disappeared after ≈30s 🤷 - -Wooh touchpad works! Although the sensitivity is a bit low. -*NB: solved below.* - -Wifi LED is on, whatever that means. - -Brightness function keys do not work on the login screen. - -Using default XFCE config to get four workspaces. - -Brightness and sound function keys work! 🙌 - -Touchpad click and scroll do not work. -*NB: solved below.* - -Wifi function key does not work. - -Battery life seems somewhat shorter than with Bunsenlabs, even after -applying all powertop tricks in the book. -**** apt install (1/n) -git greybird-gtk-theme elementary-xfce-icon-theme emacs - -git suggests git-doc: why of course, good idea! - -emacs suggests emacs-common-non-dfsg: right, what was that again? -Documentation, IIRC? What does APT have to say? - -#+BEGIN_EXAMPLE -$ apt show emacs-common-non-dfsg -Package: emacs-common-non-dfsg -State: not a real package (virtual) -N: Can't select candidate version from package emacs-common-non-dfsg as it has no candidate -N: Can't select versions from package 'emacs-common-non-dfsg' as it is purely virtual -N: No packages found -#+END_EXAMPLE - -… What does https://packages.debian.org/emacs-common-non-dfsg say? - -#+BEGIN_QUOTE -*[non-free]* -#+END_QUOTE - -[[https://www.debian.org/vote/2006/vote_001][Oh.]] Well then, - -#+begin_src sh -$ sudo sed -ri 's/^([^#].+ main)$/\1 contrib non-free/' /etc/apt/sources.list -$ # While in there… -$ sudo sed -ri 's/^(deb|deb-src) http:/\1 https:/' /etc/apt/sources.list -#+end_src - -What now? - -#+BEGIN_EXAMPLE -$ sudo apt update -[…] -Err:4 https://security.debian.org/debian-security buster/updates Release - Certificate verification failed: The certificate is NOT trusted. The certificate issuer is unknown. The name in the certificate does not match the expected. Could not handshake: Error in the certificate verification. [IP: 217.196.149.233 443] -[…] -E: The repository 'https://security.debian.org/debian-security buster/updates Release' no longer has a Release file. -N: Updating from such a repository can't be done securely, and is therefore disabled by default. -N: See apt-secure(8) manpage for repository creation and user configuration details. -#+END_EXAMPLE - -🤨 - -#+begin_src sh -$ sudo sed -ri 's/security\.debian\.org/deb.debian.org/' /etc/apt/sources.list -#+end_src - -[[https://wiki.debian.org/SourcesList#Example_sources.list][🤷]] - -**** tweak dotfiles -Set EMAIL in .profile; copy .profile to .xsessionrc (AFAICT XFCE does -not read ~/.config/environment.d) to get PATHs. - -In .bashrc, enable globstar and autocd, uncomment grep and ls aliases, -source personal .bash_prompt. - -Fun fact! git can guess user.email from $EMAIL and user.name from the -[[https://en.wikipedia.org/wiki/Gecos_field][GECOS field]]. -**** apt install (2/n) -#+BEGIN_QUOTE -E: Package 'gcc-doc' has no installation candidate -#+END_QUOTE -gcc-doc is only available in /backports/? -**** configure XFCE -***** Mouse and Touchpad -- Move sliders a bit to no avail, restore defaults. -- Google around. -- Why do my XFCE settings not have this "Touchpad" tab? -- apt install xserver-xorg-input-synaptics -- Log out and in again. -- Woah the pointer is much faster now. -- And the "Touchpad" tab is here now! -🎉 -***** Panels -Remove bottom panel: I'd rather remember a few Super-… shortcuts to -launch these applications rather than waste all this vertical space. -***** Appearance -****** Style -Greybird - -Patch the xfwm-tabwin style to prevent the mouse from screwing with -Alt-Tab: - -#+begin_src diff -diff -u /usr/share/themes/Greybird/gtk-2.0/gtkrc.bkp /usr/share/themes/Greybird/gtk-2.0/gtkrc ---- /usr/share/themes/Greybird/gtk-2.0/gtkrc.bkp -+++ /usr/share/themes/Greybird/gtk-2.0/gtkrc -@@ -897,8 +897,8 @@ - - bg[NORMAL] = shade (0.15, @text_color) - bg[ACTIVE] = shade (0.65, @selected_bg_color) -- bg[PRELIGHT] = shade (0.75, @selected_bg_color) -- bg[SELECTED] = shade (0.55, @bg_color) -+ bg[PRELIGHT] = shade (0.55, @bg_color) -+ bg[SELECTED] = shade (0.75, @selected_bg_color) - - fg[NORMAL] = shade (0.8, @base_color) - fg[ACTIVE] = @base_color -#+end_src -**** configure more stuff -***** lightdm -Debian [[https://wiki.debian.org/LightDM#Enable_user_list][hides the list of users]] on the login screen; Bunsenlabs [[https://github.com/BunsenLabs/bunsen-configs/blob/9.6-1/lightdm.conf.d/50_bunsen.conf][enables -it]] and I kind of like it (fewer keystrokes, and a cute avatar). -*** Dell 3190 (Buster) -**** groundwork -Using instructions from <https://wiki.debian.org/Firmware>. -***** Get netinst image from <https://www.debian.org/CD/netinst/> -***** Get firmware archive from <https://cdimage.debian.org/cdimage/unofficial/non-free/firmware/stable/current/> -So that the installer can use the wireless network card. Extract all -.deb files to a top-level =firmware= folder on a USB key. -***** Shrink the MS partition -Had to "optimize the disk", otherwise some free space remained -unavailable. -**** installer -Everything went smoothly: -- if the USB key holding the firmware isn't plugged in, the installer - requests it, otherwise it finds the firmware automatically; -- Secure Boot supported transparently; -- dual-booting too. -**** package repositories -Non-free repositories automatically added during the installation, -because of the WiFi firmware I presume. -**** kernel issues -***** i915/glk_dmc_ver1_04.bin -kern.log: -#+begin_quote -i915 0000:00:02.0: firmware: failed to load i915/glk_dmc_ver1_04.bin (-2) -#+end_quote -apt install firmware-misc-nonfree seems to quiet that down. -***** i2c_hid_get_input: incomplete report -kern.log: -#+begin_quote -i2c_hid i2c-MSFT0001:00: i2c_hid_get_input: incomplete report (14/65535) -#+end_quote -About one message for every half-second spent touching the touchpad. - -"Solved" with: -#+begin_src sh -$ apt install -t buster-backports \ - linux-image-amd64 \ - firmware-iwlwifi \ - firmware-misc-nonfree -#+end_src -* Maintenance -** upgrades -*** Bookworm -**** research -***** [[https://www.debian.org/releases/bookworm/amd64/release-notes/ch-information.en.html#non-free-split][Release notes § Issues to be aware of]] -****** minutiae -- ~sed s/non-free/non-free-firmware/~ -- =youtube-dl= ⇒ =yt-dlp= -- clear =GRUB_DISABLE_OS_PROBER= -****** System logs ([[https://www.debian.org/releases/bookworm/amd64/release-notes/ch-information.en.html#changes-to-system-logging][ref]]) -1. ~apt-mark auto rsyslog ; apt autoremove~ -2. double-check that journalctl config saves to persistent storage -3. finally learn ~journalctl~ -****** Reduced accessibility from GTK 3⇒4 transition ([[https://www.debian.org/releases/bookworm/amd64/release-notes/ch-information.en.html#gnome-has-reduced-accessibility-support-for-screen-readers][ref]]) -Not a huge deal for me (though [[https://github.com/transmission/transmission/discussions/5065][other aspects]] of the transition are -irksome), but [[https://tech.lgbt/@xogium/110507457689374019][dang]]. -****** "Externally-managed" Python installation ([[https://www.debian.org/releases/bookworm/amd64/release-notes/ch-information.en.html#python3-pep-668][ref]]) -1. inventory & clear out stuff installed with ~pip install --user~ -2. upgrade -3. install =pipx= -4. reinstall -****** VLC support for VA-API disabled ([[https://www.debian.org/releases/bookworm/amd64/release-notes/ch-information.en.html#vlc-ffmpeg-5][ref]]) -- [[https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1021601][Debian bug#1021601]] =vlc: VAAPI hardware acceleration no more available= -- [[https://code.videolan.org/videolan/vlc/-/issues/26772][VLC#26772]] =VAAPI is disabled with ffmpeg5 on vlc-3x= - - "we won't support full FFmpeg5 in 3.0" ([[https://code.videolan.org/videolan/vlc/-/issues/26772#note_316827][ref]]) -- [[https://code.videolan.org/videolan/vlc/-/merge_requests/1245][VLC!1245]] =[VLC3] Support FFmpeg 5.0 (except for VAAPI)= - - "it seems that the VAAPI part is far from trivial and requires - invasive changes (contrary to the other fixes)" ([[https://code.videolan.org/videolan/vlc/-/merge_requests/1245#note_302474][ref]]) -- user reports: [[https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1021664][2022-10]], [[https://old.reddit.com/r/debian/comments/z5ectb/vlc_delaying_frames_on_a_fresh_debian_12_install/][2022-11]], [[https://old.reddit.com/r/debian/comments/119x7tr/debian_12_bookworm_no_hw_acceleration_in_vlc_h264/][2023-02]], [[https://old.reddit.com/r/debian/comments/14u38mm/video_choppy_in_vlc_but_not_totem/][2023-07]] - -No idea how much that will affect little =hirondell=. If push comes -to shove, I guess I can either -- build VLC 4, -- learn mpv. -****** systemd naming for Xen network interfaces ([[https://www.debian.org/releases/bookworm/amd64/release-notes/ch-information.en.html#xen-network][ref]]) -=eth0= changes to =enX0=. No idea if my VPS is impacted or not; it -does have an interface named =eth0=, and that name also shows up in -=/etc/network/interfaces=. -****** Known severe bugs ([[https://www.debian.org/releases/bookworm/amd64/release-notes/ch-information.en.html#rc-bugs][ref]]) -- [[https://bugs.debian.org/1036041][bug#1036041]]: =upgrade-reports: Dell XPS 9550 fails to boot after - bullseye to bookworm upgrade - grub/bios interaction bug?= -**** VPS -***** =/etc/cloud/cloud.cfg= -My local version has these two lines: -#+begin_src -mount_default_fields: [~, ~, 'auto', 'defaults,nofail', '0', '2'] -manage_etc_hosts: true -#+end_src -No idea if this is OVH-specific. No idea if I want them. Let's trust -"the package maintainer" 😐 -***** =/etc/ssh/sshd_config= -OK, note to self: *never* choose "do a 3-way merge". Thought that -would be something along the lines of Emacs's Ediff; instead… -#+begin_quote -Merging changes into the new version -#+end_quote -/Mind giving a couple more details on that "merge" mate?/ - -OK, - -- =/usr/share/openssh/sshd_config= has the new stock config, -- =/etc/ssh/sshd_config.ucf-old= has the /previous/ *local* config -- ~diff -u {/usr/shared/openssh,/etc/ssh}/sshd_config~ suggests that - the ✨magic merge✨ did TRT; the only differences are - - stuff I remember changing in (=PermitRootLogin=, - =PasswordAtuhentication=) - - a spurious whitespace-only hunk on =Subsystem sftp= (the - =/usr/share= version uses tabs; the =/etc= version ended up with a - single space) -***** Removing obsolete stuff -Erm, why does ~apt purge '~c'~ says -#+begin_quote -The following packages were automatically installed and are no longer required: -[…] nginx-core nginx-full […] -#+end_quote - -😨 - -#+begin_src -$ dpkg -S $(sudo which nginx) -nginx: /usr/sbin/nginx -$ apt depends nginx -[…] - Replaces: nginx-core (<< 1.22.1-6~) - Replaces: nginx-extras (<< 1.22.1-6~) - Replaces: nginx-light (<< 1.22.1-6~) -#+end_src - -Ah. -****** Rsyslog -Refuses to disappear. The doc says ~apt-mark auto~ followed by ~apt -autoremove~ should remove it, but that does not seem to be happening -(~autoremove~ does not find anything to remove). The =rsyslog= -service is still up & running, and watches =syslog.socket= to -re-activate itself 😕 - -Decided to explicitly ~apt remove~ it on the advice of [[https://blog.frehi.be/2023/06/04/upgrading-from-debian-11-bullseye-to-debian-12-bookworm/][this gentleman]]. -**** Laptop -***** non-free & non-free-firmware -#+begin_quote -Assuming the =non-free= component was only added to the APT -sources-list to install firmware, -#+end_quote -#+begin_example -$ apt list '?narrow(?installed, ?section(non-free))' -Listing... Done -doc-rfc-experimental/oldstable,oldstable,now 20201128-1 all [installed,automatic] -doc-rfc-fyi-bcp/oldstable,oldstable,now 20201128-1 all [installed,automatic] -doc-rfc-informational/oldstable,oldstable,now 20201128-1 all [installed,automatic] -doc-rfc-misc/oldstable,oldstable,now 20201128-1 all [installed,automatic] -doc-rfc-old-std/oldstable,oldstable,now 20201128-1 all [installed,automatic] -doc-rfc-others/oldstable,oldstable,now 20201128-1 all [installed,automatic] -doc-rfc-std-proposed/oldstable,oldstable,now 20201128-1 all [installed,automatic] -doc-rfc-std/oldstable,oldstable,now 20201128-1 all [installed,automatic] -doc-rfc/oldstable,oldstable,now 20201128-1 all [installed] -firmware-iwlwifi/oldstable,oldstable,now 20210315-3 all [installed] -firmware-misc-nonfree/oldstable,oldstable,now 20210315-3 all [installed] -gcc-10-doc/oldstable,oldstable,now 10.2.0-1 all [installed,automatic] -gdb-doc/oldstable,oldstable,now 10.1-1 all [installed] -make-doc/oldstable,oldstable,now 4.3-2 all [installed] -manpages-posix-dev/oldstable,oldstable,now 2017a-2 all [installed] -manpages-posix/oldstable,oldstable,now 2017a-2 all [installed] -tar-doc/oldstable,oldstable,now 1.34-1 all [installed] -#+end_example -Will be keeping =non-free= in addition to =non-free-firmware= then 🫣 -***** Fallout -****** GRUB -#+begin_src sh -sudo sed -i \ - s/'^#GRUB_DISABLE_OS_PROBER=false'/'GRUB_DISABLE_OS_PROBER=false'/ \ - /etc/default/grub -sudo update-grub -#+end_src - -****** PEP 668 -#+begin_src sh -# Before upgrade: keep calm… -pip uninstall $(pip freeze --user | cut -d= -f1) -# After upgrade: … carry on. -sudo apt install pipx -pipx install yt-dlp -#+end_src - -****** VLC -+Seems fine? No choppiness observed on a 2k@24FPS video from yt-dlp+ - -Is choppy as all hell on /some/ videos, not sure which kind nor why; -could not be bothered discerning the patterns. Learned me an mpv for -great good. -***** Goodies -- The [[#random-lag][random lag I had been observing since 5.8]] seems gone 🥳 -- =libtree-sitter-dev= is new enough for Emacs; can get rid of my - =/usr/local= version. -** impromptu IBus -Installing [[https://zoom.us/][Zoom]]'s Debian package somehow enabled IBus[fn:: AFAICT -because ibus recommends im-config, and the latter autostarts the -former by default], which unconditionally set my keyboard to English -for some reason[fn:: Before properly running ~apt install -./zoom_amd64.deb~, I had mistakenly run ~dpkg -i zoom_amd64.deb~, -which failed because of missing dependencies. Perhaps apt omitted -some post-installation configuration hooks because the first dpkg run -had left an error marker somewhere?]. Steps taken: - -1. Tweak IBus preferences, unset shortcuts (Emacs has a better - interface for searching/inserting Unicode characters), check "use - system defaults" for the keyboard layout. - -2. Go on a hunt for whoever spawns ibus-daemon(1); AFAICT it's - im-launch(1), which can be told not to use IBus through im-config - (which eventually just writes ~run_im none~ in =~/.xinputrc=). - -3. Eventually, maybe I should just uninstall im-config. -** random lag -*** DONE diagnosing -Since… a few days? weeks? one month? everything randomly becomes -"choppy": - -- typing (Emacs, Terminator, Firefox): I can type in a bunch of words, - sit back, wait a few seconds, then watch the words finally write - themselves letter by letter. -- launching programs: ~while time $aprogram ; do sleep 0.5 ; done~, - where ~aprogram~ just starts then exits, shows wildly varying times. -- scrolling a PDF with the touchpad (Evince): the pages stay stuck for - a few seconds, then the reader jumps to the new location; the mouse - pointer does change during this delay, as text and whitespace - (invisibly) scroll by. - -I can't remember changing anything recently, nor seeing any scary -update passing by. journalctl, htop and dmesg do not show any obvious -suspects. Some things I considered: - -- Disabling some services e.g. tor or speech-dispatcher ⇒ no effect. -- Uninstalling xserver-xorg-video-intel ⇒ no effect. -- Upgrading systemd from backports ⇒ no effect. -- htop sometimes shows pulseaudio acting up despite no application - playing or recording sound? -- Maybe I should try reinstalling Debian's stable kernel? - - Luckily 5.7 was not uninstalled when upgrading to 5.8; booting on - 5.7 solves all of the "choppiness" issues listed above. - -Now to pinpoint what's wrong with 5.8… -*** TODO fixing -Found a way to "quantify" the problem; asked around on the -debian-kernel mailing list, to no avail. - -- [[https://lists.debian.org/debian-kernel/2020/11/msg00084.html][2020-11]] - original report that 5.8 from backports triggers the - issue: "wait for 5.9 to be available from backports or even 5.10" - (LTS for the next Debian stable version) -- [[https://lists.debian.org/debian-kernel/2020/12/msg00040.html][2020-12]] - quick report that 5.9 from backports does not improve - things: 🦗 -- [[https://lists.debian.org/debian-kernel/2021/02/msg00231.html][2021-02]] - quick report that 5.10 from backports does not improve - things *✨with scripts & numbers✨*: 🦗 - -#+begin_quote - for ((i=0; i<100; i++)); do - time -p terminator -x 'bash -c exit' - done &> time-$(uname -r) - - grep $mode time-$(uname -r) | sort -k2 - -Where $mode is either real, user or sys. Here are the extrema: - - real user sys - min max min max min max -5.7 0.44 0.48 0.29 0.35 0.02 0.08 -5.10 0.47 3.30 0.31 2.87 0.02 0.30 -5.10-after-suspend 0.46 0.50 0.30 0.36 0.03 0.08 - -Averages & standard deviations: - - real user sys -5.7 0.454±0.006 0.322±0.013 0.046±0.013 -5.10 0.961±0.607 0.559±0.518 0.074±0.052 -5.10-after-suspend 0.469±0.005 0.332±0.012 0.050±0.011 - -These results feel consistent with the stutter I observe: 5.7 and -5.10-after-suspend have roughly the same performance, while -freshly-booted 5.10 is overall very jittery: terminator startup is twice -as slow on average, with 100× more variance. - - -Some more stats, eyeballed from /proc/cpuinfo and -/sys/devices/system/cpu/cpufreq/policy*/scaling_governor: - - idle frequency CPU governor -5.7 < 800 MHz powersave -5.10 > 1900 MHz ondemand -5.10 (after suspend) < 900 MHz ondemand -#+end_quote - -- [[https://lists.debian.org/debian-kernel/2021/08/msg00278.html][2021-08]] - quick report that 5.10 from a fresh bullseye install does - not improve things: 🦗 -- 2023-08 - bookworm upgrade to 6.1: problem solved 🤷 -** samba server -- I want most of my music on my laptop. -- I want to access it from my desktop. -- I want anyone on my home network to access it too. -- I am too lazy to remove the Windows partition from my laptop, so - that partition sits mostly empty, eating 50% of the disk space. - -Therefore, the only sensible move is to run Samba on the laptop, -serving a folder on my Linux partition with a symlink to the Windows -partition. - -Chosen =/etc/smb.conf= excerpts: - -#+begin_src conf -[global] -allow insecure wide links = yes - -[sambo] -comment = Files yours truly is sharing with you. -path = /home/[…user…]/Public/smb -browseable = yes -read only = yes -guest ok = yes -wide links = yes -#+end_src - -Then: - -#+begin_src sh -# Mount Windows disk. -udisksctl mount --block-device /dev/disk/by-label/OS -# Symlink it from shared directory. -ln -s /media/[…user…]/OS/Music ~/Public/smb/ -#+end_src - -On the desktop side: -#+begin_src sh -sudo mount.cifs //hirondell.local/sambo […somewhere…] \ - -o guest,uid=$(id -u),gid=$(id -g) -#+end_src -* Someday -** fix xfce4-terminal opening links with firefox-esr -** fix Thunar opening images with Firefox instead of Ristretto -** fix Ristretto thumbnails -** Samsung NC10 -*** fix Ethernet after suspend -Workaround: -#+begin_src sh -$ sudo modprobe -r sky2 && sudo modprobe -i sky2 -#+end_src -References: -- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1841304 -- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=895378 -- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1798921 -- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1809843 -- https://askubuntu.com/questions/1029620/ubuntu-18-04-lts-sky2-ethernet-stops-working-after-system-resume-from-suspend -- https://bbs.archlinux.org/viewtopic.php?id=234725 |