Differences

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--- linux [2017/01/05 06:41] – created 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
+echo "$_location/$_size.swap none swap defaults 0 0" >> /etc/fstab
+swapon -a
+</code>
+btrfs:
+<code>
+btrfs filesystem mkswapfile -s $_size $_location/$_size.swap
 </code>
 ==== Mount Target System For Chroot ====
 <code>
-TARGET=/target
+_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 $TARGET
+</code>
+==== ZSWAP ====
+Configuration:
+<code>
+grep -r . /sys/module/zswap/parameters/
+</code>
+Stats:
+<code>
+grep -r . /sys/kernel/debug/zswap/
 </code>
@@ Line 31: / Line 48: @@
 /var/lock/*
 /var/run/*
-/var/lib/pacman/*
+/var/log/*.gz
+/var/log/**/*.gz
 /var/cache/pacman/pkg/*
+/home/**/.cache/chromium/*
+/home/**/.ccache/*
+/home/**/.avfs
+/home/**/.gvfs
 /lost+found
 </code>
@@ Line 74: / Line 96: @@
 <code>
 echo "noop" > /sys/block/`readlink /dev/disk/by-uuid/$UUID|sed "s/.*\(sd[a-z]\).*/\1/"`/queue/scheduler
+</code>
+==== Install Artful Kernel (4.13) on Xenial ====
+<code>
+echo 'deb http://archive.ubuntu.com/ubuntu/ artful main' >> /etc/apt/sources.list.d/artful.list
+echo -e 'Package: *\nPin: release a=artful\nPin-Priority: 100\n' >> /etc/apt/preferences.d/artful.pref
+apt-get update
+apt-get install -t artful linux-image-generic linux-generic linux-headers-generic linux-libc-dev
 </code>
@@ Line 80: / Line 110: @@
   * http://apt-blog.net/backup_or_migrate_linux_system_using_tar
   * http://www.cyberciti.biz/faq/linux-add-a-swap-file-howto/
+  * https://axebase.net/blog/2016/12/27/zesty-kernel-in-yakkety-und-xenial/