Khad's Blog

HTTPS    openssl s_client -connect mail.yourserver.com:443 IMAPS    openssl s_client -connect mail.yourserver.com:993 POP3S    openssl s_client -connect mail.yourserver.com:995 POP3 TLS    openssl s_client -connect mail.yourserver.com:110 -starttls pop3 IMAP TLS    openssl s_client -connect mail.yourserver.com:143 -starttls imap SMTPS    openssl s_client -connect mail.yourserver.com:465 SMTP TLS    openssl s_client -connect mail.yourserver.com:587 -starttls smtp To show expired date of certificate add :        | openssl x509 -noout -dates for example:      openssl s_client -connect mail.yourserver.com:443   | openssl x509 -noout -dates

I want to move LVM physical extents on the same disk to avoid gap between logical volumes. To visualize physical allocation I use system-config-lvm. Found unused space which size equal to an LV Find out the LV location: lvdisplay -m Show something like this:  --- Segments ---   Logical extents 0 to 20479:     Type                linear     Physical volume     /dev/sda2     Physical extents    116224 to 136703 Or use: pvdisplay -m   --- Physical volume ---   PV Name               /dev/sda2   VG Name               Vol01   PV Size               931.26 GiB / not usable 4.00 MiB   Allocatable           yes   PE Size               4.00 MiB   Total PE              238402   Free PE               96578   Allocated PE          141824      --- Physical Segments ---   Physical extent 0 to 38399 :     FREE   Physical extent 38400 to 39423 :     Logical volume    /dev/Vol01/Swap     Logical extents    0 to 1023   Physical extent 39424 to 52223 :     Logical volume    /dev/Vol01/Fed

UPDATE: It is even easier now LOL : 1. Open google-chrome 2. open web app in tab : https://web.whatsapp.com/ 3. Menu -> More tools -> Add to desktop 4. Next time you can open the web app using launcher --- You can create messaging app like whatsie and rambox easily using chrome: You'll need google-chrome Create desktop launcher with command: /usr/bin/google-chrome --user-data-dir=/home/USERNAME/.config/google-chrome-msg Launch the app  Install dark theme Open and login in multiple tab: https://web.whatsapp.com/ https://web.telegram.org add your own Set chrome to Open specific page or set of pages, Use current Use alacarte to create desktop launcher, if you got buggy alacarte: cant enter command with parameter, use this: dnf copr enable biji/misc dnf install alacarte --best You can create multiple app launcher with different user-data-dir, for example for multiple whatsapp number

You have symlink your webapp to /var/www/ but still permission denied. Because file context is still not acceptable by selinux To list context of folder or file (add -Z): ls -Z ~khad/workspace/webapp/ To set file or folder read only, but apache can access: chcon -R -t httpd_sys_content_t ~khad/workspace/webapp/ To set file or folder read and write, but apache can access: chcon -R -t httpd_sys_rw_content_t ~khad/workspace/webapp/temp/ To allow connect network and database: #setsebool -P httpd_can_network_connect 1 setsebool -P httpd_can_network_connect_db 1