Differences

This shows you the differences between two versions of the page.

--- linux [2020/05/11 13:15] – felixonmars
+++ linux [2024/05/13 17:38] (current) – [Mount Target System For Chroot] felixonmars
@@ Line 1: / Line 1: @@
 ==== Create a Swap File ====
 <code>
-SWAPFILE=/swapfile1
+_size=4g
-dd if=/dev/zero of=$SWAPFILE bs=1024 count=1048576
+_location=/
-mkswap $SWAPFILE
+fallocate -l $_size $_location/$_size.swap
-chown root:root $SWAPFILE
+chmod 600 $_location/$_size.swap
-chmod 0600 $SWAPFILE
+mkswap $_location/$_size.swap
-swapon $SWAPFILE
+echo "$_location/$_size.swap none swap defaults 0 0" >> /etc/fstab
+swapon -a
 </code>
-=== Add to /etc/fstab to make it persistent ===
+btrfs:
 <code>
-echo "$SWAPFILE none swap sw 0 0" >> /etc/fstab
+btrfs filesystem mkswapfile -s $_size $_location/$_size.swap
 </code>
 ==== Mount Target System For Chroot ====
 <code>
-TARGET=/mnt
+_target=/mnt
-mount /dev/sdxn $TARGET
+mount -t proc proc $_target/proc
-mount -t proc proc $TARGET/proc
+mount -t sysfs sys $_target/sys
-mount -t sysfs sys $TARGET/sys
+mount -o bind /dev $_target/dev
-mount -o bind /dev $TARGET/dev
+mount -t devpts pts $_target/dev/pts/
-mount -t devpts pts $TARGET/dev/pts/
+chroot $_target
-chroot $TARGET
+</code>
+==== ZSWAP ====
+Configuration:
+<code>
+grep -r . /sys/module/zswap/parameters/
+</code>
+Stats:
+<code>
+grep -r . /sys/kernel/debug/zswap/
 </code>