This manual page documents briefly the update-ca-certificates commands.
This manual page was written for the Debian distribution.
update-ca-certificates is a program that updates the directory
/etc/ssl/certs to hold SSL certificates and generates certificates.crt,
a concatenated single-file list of certificates.
It reads the file /etc/ca-certificates.conf. Each line gives a pathname
of a CA certificate under /usr/share/ca-certificates that should be
trusted. Lines that begin with "#" are comment lines and thus ignored.
Lines that begin with "!" are deselected, causing the deactivation of
the CA certificate in question.
Furthermore all certificates found below /usr/local/share/ca-certifi-
cates are also included as implicitly trusted.
Before terminating, update-ca-certificates invokes run-parts on
/etc/ca-certificates/update.d and calls each hook with a list of cer-
tificates: those added are prefixed with a +, those removed are pre-
fixed with a -.
A summary of options is included below.
Show summary of options.
Be verbose. Output c_rehash.
Fresh updates. Remove symlinks in /etc/ssl/certs directory.
A configuration file.
A single-file version of CA certificates. This hold all CA cer-
tificates that you activated in /etc/ca-certificates.conf.
Directory of CA certificates. /usr/local/share/ca-certificates
Directory of local CA certificates.
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