diff --git a/cd.sh b/cd.sh
index 4717b24..eb54620 100644
--- a/cd.sh
+++ b/cd.sh
@@ -17,9 +17,9 @@ cd_main () {
     cd_set_https_verification_off
     cd_update_packages_catalog
     cd_install_packages_tools
-    cd_install_ca
-    cd_copy_ca
-    cd_update_ca
+    cd_install_ca_certificates
+    cd_write_ca_certificates
+    cd_update_ca_certificates
     cd_set_https_verification_on
     cd_update_packages_catalog
     cd_upgrade_packages
@@ -47,7 +47,7 @@ cd_set_environment () {
         ;;
         "alma")
             case "${CD_OS_VERSION}" in
-                "8")
+                "8"|"9")
                     CD_PYTHON_PACKAGE="python3.11"
                     CD_PYTHON_PACKAGES="/usr/lib64/python3.11/site-packages"
                 ;;
@@ -112,6 +112,8 @@ local text=""
 }
 
 cd_set_packages_repositories () {
+local expression
+local file
     cd_step "Set packages repositories"
     case "${CD_OS_NAME}" in
         "debian")
@@ -122,7 +124,11 @@ deb https://deb.debian.org/debian bookworm-updates main
 deb https://deb.debian.org/debian-security bookworm-security main
 "
         ;;
-        "alma") echo "TODO" ;;
+        "alma")
+            file="/etc/yum.repos.d/almalinux.repo"
+            cd_sed "${file}" "|^m|# m|" "|^# b|b|"
+            cd_cat "${file}"
+        ;;
         *) cd_error_os "cd_set_packages_repositories" ;;
     esac
 }
@@ -180,23 +186,31 @@ cd_install_packages_tools () {
     esac
 }
 
-cd_install_ca () {
+cd_install_ca_certificates () {
     cd_step "Install CA"
     cd_install_package "${CD_CA_PACKAGE}"
 }
 
-cd_copy_ca () {
+cd_write_ca_certificates () {
+local index
 local target
+local text
     cd_step "Copy CA"
     case "${CD_OS_NAME}" in
         "debian") target="/usr/local/share/ca-certificates" ;;
         "alma") target="/etc/pki/ca-trust/source/anchors" ;;
         *) cd_error_os "cd_copy_ca" ;;
     esac
-    echo "TODO"
+    index=1
+    eval "text=\${CD_CA_${index}}"
+    while [ "${text}" ] ; do
+        cd_write "${target}/${index}.crt" "${text}"
+        index=$((index+1))
+        eval "text=\${CD_CA_${index}}"
+    done
 }
 
-cd_update_ca () {
+cd_update_ca_certificates () {
     cd_step "Update CA"
     case "${CD_OS_NAME}" in
         "debian") update-ca-certificates || exit ;;
@@ -326,13 +340,31 @@ cd_rm () {
     fi
 }
 
+cd_sed () {
+local expression
+local file
+    if [ -f "${1}" ] ; then
+        file="${1}"
+        shift
+        for expression in "${@}" ; do
+            sed --in-place "s${expression}g" "${file}" || exit
+        done
+    fi
+}
+
+cd_split () {
+    echo -n "\
+╶─╌╌┄┄┈┈
+"
+}
+
 cd_step () {
     if [ "${1}" ] ; then
         CD_STEP=$((CD_STEP+1))
         echo -n "\
-╭─╌┄┈
+╭─╌╌┄┄┈┈
 │ ${CD_STEP} ${1}
-╰─╌┄┈
+╰─╌╌┄┄┈┈
 "
     fi
 }