Add swapfile setup

1 files changed, 15 insertions, 0 deletions

diff --git a/system-utils.md b/system-utils.md
index 24b9b02..3c7adab 100644
--- a/system-utils.md
+++ b/system-utils.md
@@ -7,3 +7,18 @@
 Set file permissions of mounted drive at mount time:
 
     mount /dev/foo /mnt/bar -o umask=000
+
+## Setting up a swap file
+
+From https://linuxize.com/post/create-a-linux-swap-file/
+
+    sudo fallocate -l 1G /swapfile
+    # or if the above fails:
+    # sudo dd if=/dev/zero of=/swapfile bs=1024 count=1048576
+    sudo chmod 600 /swapfile
+    sudo mkswap /swapfile
+    sudo swapon /swapfile
+    # Add to /etc/fstab
+    /swapfile swap swap defaults 0 0
+    # Check with
+    free -h