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Activity for Iizukiā€­

Type On... Excerpt Status Date
Question How to invert command exit code?
How to apply a logical not to a shell command, e.g. in a Bash script? So if the command exited with 0 (success) I would like it to be changed to a non-zero value, and if it exited with a non-zero value (failure) like 1, I would like it to become 0. A negation of sorts.
(more)
about 1 year ago
Edit Post #290078 Initial revision about 1 year ago
Answer A: How to open a port in firewalld?
You add a port to the public zone like so: ```bash firewall-cmd --zone=public --add-port=8080/tcp ``` Firewalld knows already many of the commonly used ports, so you might just use the service name instead: ```bash firewall-cmd --zone=public --add-service=kdeconnect ``` These changes ...
(more)
about 1 year ago
Edit Post #290077 Initial revision about 1 year ago
Question How to open a port in firewalld?
How to open a port when using `firewalld` as the system firewall?
(more)
about 1 year ago
Suggested Edit Post #289467 Suggested edit:
Expanding the flags to their long forms, so that it's clear what they do.
(more)
declined over 1 year ago
Edit Post #289935 Initial revision over 1 year ago
Answer A: How to create systemd unit that depends on a website being up?
To make your example work, you should add `Type=oneshot` and `RemainAfterExit=true` to the `[Service]` section. This way the unit won't be considered active until the curl has actually succeeded, and either won't go inactive afterwards. However, this is somewhat unorthodox way of going abou...
(more)
over 1 year ago
Edit Post #289390 Initial revision over 1 year ago
Answer A: How to create ed25519 subkey in GPG?
By using the non-interactive `--quick-add-key` method. This adds separate signing and encryption subkeys with expiration date one year from now: ```bash $ gpg --quick-add-key YOUR-PRIMARY-KEY-ID ed25519 sign 1y $ gpg --quick-add-key YOUR-PRIMARY-KEY-ID cv25519 encr 1y ``` Source: An abridged g...
(more)
over 1 year ago
Edit Post #289389 Initial revision over 1 year ago
Question How to create ed25519 subkey in GPG?
At the moment GPG only offers the following options when generating a new subkey the with the `addkey` command: ``` gpg> addkey Please select what kind of key you want: (3) DSA (sign only) (4) RSA (sign only) (5) Elgamal (encrypt only) (6) RSA (encrypt only) (14) Existing key fr...
(more)
over 1 year ago