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--- linux:distros:ubuntu_lts [2026/04/18 23:52] – [Wine] Sean Rhone
+++ linux:distros:ubuntu_lts [2026/05/05 19:10] (current) – [Firefox] Sean Rhone
@@ Line 145: / Line 145: @@
 <code>2606:4700:4700::1112,2606:4700:4700::1002</code>
+=== systemd-resolved ===
+  * systemd-resolved caches DNS
+  * See [[servers;upstream_dns_servers|DNS Servers]] for other addresses
+  sudo mkdir -p '/etc/systemd/resolved.conf.d' && sudo -e '/etc/systemd/resolved.conf.d/99-dns-over-tls.conf'
+<code>
+[Resolve]
+DNS=1.1.1.2#security.cloudflare-dns.com 1.0.0.2#security.cloudflare-dns.com 2606:4700:4700::1112#security.cloudflare-dns.com 2606:4700:4700::1002#security.cloudflare-dns.com
+DNSOverTLS=yes
+# End</code>
+=== Verify ===
+  resolvectl status
+  resolvectl status | grep '+DNSOverTLS'
 ==== Uncomplicated Firewall ====
@@ Line 227: / Line 247: @@
 ===== Firefox =====
-  * [[programs;firefox|Notes]]
+  * [[programs;firefox|Notes]] (also Thunderbird)
   * Profile reset
@@ Line 234: / Line 254: @@
 ===== Thunderbird =====
-  * [[programs:thunderbird|Notes]]
   * Profile reset
@@ Line 289: / Line 308: @@
 <code>GRUB_CMDLINE_LINUX="x"</code>
-<code>acpi_osi='!' acpi_osi='Windows 2017.2' reboot='pci' hibernate='no' idle='halt' nohz='off' preempt='full' iommu='pt' io_delay='none' memory_corruption_check='0' nosgx init_on_alloc='0' init_on_free='0' pci='pcie_bus_perf,realloc,pcie_scan_all,big_root_window' pcie_aspm='off' module_blacklist='iTCO_wdt,intel_oc_wdt,dell_smm_hwmon' nowatchdog tsc='nowatchdog' drm_kms_helper.poll='0' drm_kms_helper.fbdev_emulation='0' rootflags='data=writeback' video='HDMI-A-1:1600x900MR@76' acpi_mask_gpe='0x6E'</code>
+<code>acpi_osi='!' acpi_osi='Windows 2017.2' reboot='pci' hibernate='no' idle='halt' nohz='off' preempt='full' iommu='pt' io_delay='none' memory_corruption_check='0' nosgx init_on_alloc='0' init_on_free='0' pci='pcie_bus_perf,realloc,pcie_scan_all,big_root_window' pcie_aspm='off' module_blacklist='iTCO_wdt,intel_oc_wdt,dell_smm_hwmon' nowatchdog tsc='nowatchdog' drm_kms_helper.poll='0' drm_kms_helper.fbdev_emulation='0' rootflags='data=writeback' video='HDMI-A-1:1600x900MR@76' acpi_mask_gpe='0x6E' mitigations='off' dis_ucode_ldr</code>
 ==== Fan Speed ====
@@ Line 350: / Line 369: @@
 export force_guc_low_latency='false'
 export allow_compressed_fallback='true'
+export LIBVA_DRIVER_NAME='i965'
 # Mesa
@@ Line 385: / Line 405: @@
   ,discard
+===== journald =====
+  sudo mkdir -p '/etc/systemd/journald.conf.d' && sudo -e '/etc/systemd/journald.conf.d/99-tweaks.conf'
+<code>
+[Journal]
+Storage=none
+Compress=false
+MaxLevelStore=0
+MaxLevelSyslog=0
+MaxLevelKMsg=0
+MaxLevelConsole=0
+MaxLevelWall=0
+# End</code>
+  sudo journalctl --vacuum-time='1s' --rotate
 ===== Wine =====
@@ Line 430: / Line 468: @@
 tracker3 reset --filesystem --rss
-sudo '/usr/bin/journalctl' --vacuum-time='1s' --rotate
 sync