Problem :
A wordpress site with OceanWP theme, Woocommerce plugin.
The requirement was to have 3 parts in the website :
- Each parts has a different menu
- Each parts has a different colors for menu and header
With OceanWP, you can set for each page : menu, custom header, colors...
A bit tedious to maintain from my point of view, but works, except for Woocommerce pages, especially categories.
Solution :
As everything in wordpress works with extensions, even OceanWP andWoocommerce have their own set of paid extensions... A world of business here (as 50% of the websites run wordpress...). Paid extension could be really usefull in some cases, for my simple task, I simply do it like that :
- Export OceanWP parameters
- Create a child theme of OceanWP and activate it
- Import OceanWP parameters
- Advantages :
- You can copy / paste of the parent theme in the child theme to modify it
- You can add custom functions
- Here is the main part, as OceanWP is very customizable (to authorize paid plugins), they already have a lot of hook ready
- ocean_custom_header_template : a hook to select the template
- ocean_custom_menu : a hook to select the menu
Adding hook to select the right theme for Woocommerce page :
function my_custom_header_function($template) {
$result=$template;
if ( is_shop() || is_product() || is_product_category() ) {
if ('<name-of-my-slug>' == get_queried_object()->slug) {
// Exception for one category
// We have created custom OceanWP header in OceanWP Theme Library, here is the ID (shown in the URL when editing the custom header)
$result=10849;
} else {
// All others categories have another header
$result=10244;
}
}
return $result;
}
add_filter( 'ocean_custom_header_template', 'my_custom_header_function' );
And for the menu :
function my_custom_menu($menu) {
if ( is_shop() || is_product() || is_product_category() ) {
if ('<name-of-my-slug>' != get_queried_object()->slug) {
// Except for one category, I return the custom menu to display
return '493';
}
}
return $menu;
}
add_filter( 'ocean_custom_menu', 'my_custom_menu');
Well, done, not perfect but done thanks to OceanWP possible customization and Wordpress ecosystem of paid plugins.
Could be done :
- Suggest a pull request to OceanWP with an GUI to select the custom header/menu for a given slug
- Select the custom header in a list instead of putting direct ID...
But no time today !
And I tried a mix of extensions :
But as everything, they are designed to work for a given use case and OceanWP+Woocommerce for categories was not in the scope.
Problème :
J'ai une application en client lourd java qui fonctionnait bien. Depuis quelques jours, elle freeze quand j'ouvre une série de popup ce qu'elle ne faisait pas avant (ou que je n'avais pas remarqué).
Précision : je suis sous Linux, Gnome.
Solution :
J'ai désactivé les agents que j'avais en même temps, supprimer les options inutiles de la JVM, toujours rien.
La stacktrace me dit ceci :
"pool-19-thread-1" #175 prio=5 os_prio=0 tid=0x00007fe2b4055000 nid=0x5ee3 waiting for monitor entry [0x00007fe3d2efd000]
java.lang.Thread.State: BLOCKED (on object monitor)
at java.awt.KeyboardFocusManager.clearMostRecentFocusOwner(KeyboardFocusManager.java:1882)
- waiting to lock <0x00000000e081d6e0> (a java.awt.Component$AWTTreeLock)
at java.awt.Component.disable(Component.java:1526)
at javax.swing.JComponent.disable(JComponent.java:3639)
at java.awt.Component.enable(Component.java:1515)
at java.awt.Component.setEnabled(Component.java:1478)
at javax.swing.JComponent.setEnabled(JComponent.java:2680)
at javax.swing.JComboBox.setEnabled(JComboBox.java:1391)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"SwingWorker-pool-4-thread-7" #171 daemon prio=5 os_prio=0 tid=0x00007fe33c6ff000 nid=0x5edf waiting on condition [0x00007fe3bbefb000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000fb81e808> (a java.util.concurrent.FutureTask)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:429)
at java.util.concurrent.FutureTask.get(FutureTask.java:191)
at org.GNOME.Accessibility.AtkUtil.invokeInSwing(AtkUtil.java:68)
at org.GNOME.Accessibility.AtkObject.hashCode(AtkObject.java:234)
at org.GNOME.Accessibility.AtkWrapper.emitSignal(Native Method)
at org.GNOME.Accessibility.AtkWrapper$5.propertyChange(AtkWrapper.java:545)
at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
Au final, ce lien j'ai trouvé ce lien et j'ai ajouté l'option Java sur la ligne de commande. Tout est OK.
-Djavax.accessibility.assistive_technologies=
Pour plus d'informations :
https://docs.oracle.com/javase/8/docs/technotes/guides/access/new-features.html
Problem :
Logitech media server is not supported anymore by Synology (bouuuuh.)
Spotted by number of threads :
- https://community.synology.com/enu/forum/1/post/141628
- https://www.avforums.com/threads/synology-and-lms.2332981/
- https://community.jeedom.com/t/synology-maj-package-perl-lms-squeezebox-hs/57576
- https://www.homecinema-fr.com/forum/source-dematerialisee-haute-fidelite-et-dac/logitech-squeezebox-t29927392-7185.html
I have a DS218play, ARMv8 based
Solution :
Instead of switching back to the old package, or create my new one, I decided to install docker.
I followed this thread : https://stackoverflow.com/questions/52520008/can-i-install-docker-on-arm8-based-synology-nas
Quite easy.
I follow also the script here : https://raw.githubusercontent.com/wdmomoxx/catdriver/master/install-docker.sh but I download docker from original site instead.
I use this image : https://registry.hub.docker.com/r/lmscommunity/logitechmediaserver/#!
And run this command, not perfect (log, daemon, docker image should be started... will update this later).
#!/bin/bash
docker run --network=host -it \
-v "/volume1/partage/docker/lms/config":"/config":rw \
-v "/volume1/music":"/music":ro \
-v "/volume1/partage/docker/lms/playlist":"/playlist":rw \
-v "/etc/localtime":"/etc/localtime":ro \
-v "/etc/TZ":"/etc/timezone":ro \
-v "/dev":"/dev" \
lmscommunity/logitechmediaserver &> /volume1/partage/docker/lms-docker.log
Added : --network=host (and remove mapping port) and -v "/dev":"/dev"
Problem :
I built a network monitoring solution following this guides :
Truly, a great job.
But I has build the solution at home for another network, I would like that my raspberry start and monitor at boot. And I missed in the comments or text a few thing.
Solution :
I created services as described in the comment for prometheus, add another for the tcpdump. Don't forget prometheus working directory in this configuration (no specific user for prometheus).
[Unit]
Description=Prometheus
After=tcpdump.service
[Service]
User=pi
Group=pi
Type=simple
WorkingDirectory=/home/pi/prometheus/prometheus-2.23.0.linux-armv7
ExecStart=/home/pi/prometheus/prometheus-2.23.0.linux-armv7/prometheus \
--config.file /home/pi/prometheus/prometheus.yml
[Install]
WantedBy=multi-user.target
/etc/systemd/system/tcpdump.service
[Unit]
Description=TCPDump service for traffic monitoring
After=network-online.target
[Service]
Type=idle
ExecStart=python3 /home/pi/network-traffic-metrics/network-traffic-metrics.py "(src net 192.168.10.0/24 and not dst net 192.168.10.0/24) or (dst net 192.168.10.0/24 and not src net 192.168.10.0/24)"
[Install]
WantedBy=default.target
But I had some network issues :
First, disable dhcpcd and install isc-dhcp-server
In my case, I keep dhcpcd as it mount the network interfaces eth0 & eth1. I also put a no gateway on eth0 (my lan part)
My dhcpcd.conf configuration for interfaces :
interface eth1
static ip_address=192.168.1.10
static routers=192.168.1.1
static domain_name_servers=1.1.1.1
static domain_search=1.1.1.1
interface eth0
static ip_address=192.168.10.1
static routers=192.168.10.1
static domain_name_servers=1.1.1.1
static domain_search=1.1.1.1
nogateway
But with this configuration, at boot :
- isc-dhcp-server and tcpdump
were not started because eth0 was not up or plugged. In my case, I could plug eth0 later.
So I took a while, but I found the network hook that works (forget all /etc/network thing, dhcpcd do not use it).
Create a file (not a directory...) called /etc/dhcpcd.exit-hook with
#!/bin/bash
if [ "$interface" = "eth0" & "$reason" = "STATIC" & "$if_up" = "true" ]
then
systemctl start tcpdump
systemctl start isc-dhcp-server.service
fi
And all is starting when eth0 is going up.
Problem :
I had a problem, nearly simple : on an angular 11 application, font was not displayed on IE11 on customer site.
After a few tests :
- I reproduce it on my demo site
- I do not reproduce in dev mode
Solution :
Well, I search for a while, and here is a summary.
- IE11 has a problem if header "Cache-Control: nostore" is set for fonts... Not easy to find but there is some reference here
- On my dev, it's working, after a check, I'm not setting Cache-Control: nostore
- On my demo site, I have this header, but I have a Nginx as a reverse proxy. Ok, that's why
- On customer site, I do not have control on network elements. One must add it also
I made the assumption that if I set a Cache directive, intermediate server won't modify it.
It works on my demo site. I'll check next on my customer site.
To add cache control on springboot, thanks Baeldung !
registry.addResourceHandler("/assets/**").addResourceLocations("classpath:/static/hpa-portal/assets/")
.setCacheControl(CacheControl.maxAge(1, TimeUnit.DAYS));
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