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-rw-r--r--doc/update/8.17-to-9.0.md15
1 files changed, 14 insertions, 1 deletions
diff --git a/doc/update/8.17-to-9.0.md b/doc/update/8.17-to-9.0.md
index 6308317b1f2..2abc57da1a0 100644
--- a/doc/update/8.17-to-9.0.md
+++ b/doc/update/8.17-to-9.0.md
@@ -65,7 +65,10 @@ Since 8.17, GitLab requires the use of yarn `>= v0.17.0` to manage
JavaScript dependencies.
```bash
-curl --location https://yarnpkg.com/install.sh | bash -
+curl --silent --show-error https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
+echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
+sudo apt-get update
+sudo apt-get install yarn
```
More information can be found on the [yarn website](https://yarnpkg.com/en/docs/install).
@@ -261,6 +264,16 @@ sudo systemctl daemon-reload
### 9. Install libs, migrations, etc.
+GitLab 9.0.11 [introduced](https://gitlab.com/gitlab-org/gitlab-ce/issues/24570)
+a dependency on on the `re2` regular expression library. To install this dependency:
+
+```bash
+sudo apt-get install libre2-dev
+```
+
+Ubuntu 14.04 (Trusty Tahr) doesn't have the `libre2-dev` package available, but
+you can [install re2 manually](https://github.com/google/re2/wiki/Install).
+
```bash
cd /home/git/gitlab