Linux: Difference between revisions
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==Dual Booting== | ==Dual Booting== | ||
===Fix time difference between Windows=== | ===Fix time difference between Windows=== | ||
By default, Windows stores the local time in the hardware clock while Ubuntu stores UTC time. | |||
Set ubuntu to store UTC time: | |||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
timedatectl set-local-rtc | timedatectl set-local-rtc 0 --adjust-system-clock | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Set Windows to store UTC time: | |||
https://wiki.archlinux.org/title/System_time#UTC_in_Microsoft_Windows | |||
===Recover GRUB after installing Windows=== | ===Recover GRUB after installing Windows=== | ||
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==Network Troubleshooting== | ==Network Troubleshooting== | ||
On one of my | On one of my OptiPlex 5060 servers, the network adapter would reset on git ssh clones.<br> | ||
This would appear in <code>/var/log/syslog</code> as: | This would appear in <code>/var/log/syslog</code> as: | ||
<pre> | <pre> | ||
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* -S handle sparse files efficiently | * -S handle sparse files efficiently | ||
* --numeric-ids use id instead of uid/gid | * --numeric-ids use id instead of uid/gid | ||
To copy a root partition, make sure you change the following on the new drive: | To copy a root partition, make sure you change the following on the new drive: | ||
| Line 883: | Line 887: | ||
* Run [https://help.ubuntu.com/community/Boot-Repair boot-repair] from a live disk if you run into any issues. | * Run [https://help.ubuntu.com/community/Boot-Repair boot-repair] from a live disk if you run into any issues. | ||
}} | }} | ||
==Ubuntu== | |||
Ubuntu-specific notes | |||
===Disable ESM message=== | |||
[https://askubuntu.com/questions/1453749/inhibit-esm-messages-at-login Reference] | |||
<syntaxhighlight lang="bash"> | |||
# Disable MOTD | |||
sudo chmod -x /etc/update-motd.d/88-esm-announce | |||
sudo chmod -x /etc/update-motd.d/91-contract-ua-esm-status | |||
# Disable APT check | |||
sudo sed -Ezi.orig \ | |||
-e 's/(def _output_esm_service_status.outstream, have_esm_service, service_type.:\n)/\1 return\n/' \ | |||
-e 's/(def _output_esm_package_alert.*?\n.*?\n.:\n)/\1 return\n/' \ | |||
/usr/lib/update-notifier/apt_check.py | |||
sudo /usr/lib/update-notifier/update-motd-updates-available --force | |||
</syntaxhighlight> | |||