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--- hints:linux [2020/11/09 10:43] – [Installing latest PHP on Ubuntu] philip
+++ hints:linux [2024/03/20 07:55] (current) – [Installing HWE kernel] philip
@@ Line 2: / Line 2: @@
 Here are some of the Linux hints and documentation that seems to be woefully lacking or just mis-leading on the greater wider Internet.
+===== Installing HWE kernel =====
+This example is for Ubuntu 22.04 but the same principle applies to other releases too.
+<code>
+sudo apt install linux-generic-hwe-22.04
+</code>
+and once you have rebooted into the HWE kernels you can remove the non-HWE bits:
+<code>
+sudo apt remove linux-generic linux-headers-generic linux-image-generic
+</code>
 ===== Installing latest PHP on Ubuntu =====
@@ Line 9: / Line 20: @@
 Easy, install the latest php which, at time of writing, is 7.4.
-==== Add the PHP repo ====
+We need to add Ondre Sury's PPA repository which has the latest php builds. Ondre also recommends installing his PPA of apache2, so we'll add that as well.
-We need to add Ondre Sury's PPA repository which has the latest php builds. Become root first using ''sudo''. Ondre also recommends installing his PPA of apache2, so we'll add that as well.
 <code>
@@ Line 24: / Line 33: @@
 <code>
 root@host:~# apt upgrade
-<code>
+</code>
 which will update php and apache2 to the latest versions plus do all the needful with enabling modules etc etc.
@@ Line 38: / Line 47: @@
 </code>
+It is also worth checking that ''/etc/php/7.4/apache2/php.ini'' and ''/etc/php/7.4/cli/php.ini'' have the settings you expect. Compare with your previous version of php. Most commonly, the timezone value will need to be set different from UTC0/GMT.
 ===== Setting iDRAC8 Server info =====