From b91d869ca5282437ad4e2bf87b43efb826e98fff Mon Sep 17 00:00:00 2001 From: Mitch Riedstra Date: Wed, 13 Mar 2019 23:11:04 -0400 Subject: Add an LVM snapshot script --- lvm-snapshot.sh | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 lvm-snapshot.sh diff --git a/lvm-snapshot.sh b/lvm-snapshot.sh new file mode 100644 index 0000000..4991495 --- /dev/null +++ b/lvm-snapshot.sh @@ -0,0 +1,31 @@ +#!/bin/sh +set -e + +vg="x230" +lv="root" +snap_name="${lv}-snap" +mountpoint="/mnt/snap" +PERCENT="100" + +mount_fs() { + _device="$1"; shift + _opts="nouuid,rw" + _mntpoint="$1"; shift + if ! [ -d "$_mntpoint" ] ; then + mkdir "$_mntpoint" + fi + mount -o "$_opts" "$_device" "$_mntpoint" +} + +# If snapshot doesn't exist +if ! lvm lvs "$vg/$snap_name" >/dev/null 2>&1 ; then + lvm lvcreate "$vg/$lv" -s --name "$snap_name" -l "${PERCENT}%ORIGIN" + mount_fs "/dev/$vg/$snap_name" "$mountpoint" + sed -i.bak -r "s@(/dev/${vg}/${lv})@\1${snap_name}@" \ + "$mountpoint/etc/fstab" + umount "$mountpoint" +else + printf 'Cannot continue snapshot "%s" already exists.\n' \ + "$vg/$snap_name" + exit 1; +fi -- cgit v1.2.3 From d40c833ea8d95808c09e6463725dfe678f195185 Mon Sep 17 00:00:00 2001 From: Mitch Riedstra Date: Sun, 17 Mar 2019 14:03:41 -0400 Subject: Add a docker inspect alias and update my "net_nocaps" xkbmap adjustment function --- mkshrc | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/mkshrc b/mkshrc index 758313d..3d78f8c 100644 --- a/mkshrc +++ b/mkshrc @@ -140,6 +140,8 @@ setaliases() { alias rot13="tr 'A-Za-z' 'N-ZA-Mn-za-m'" alias setxkbmap-list="man xkeyboard-config" alias showsshhosts="cat ~/.ssh/config ~/.ssh/inc/* | awk '/^[hH]ost /{print \$2}'" + # docker-getip $container_id + alias docker-getip="docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}'" alias xa='xargs -I{}' alias gdb='gdb -q' alias bc='bc -q' @@ -262,8 +264,11 @@ pulltermcolors() { chmod +x $file } set_nocaps() { + setxkbmap -layout "us,de" setxkbmap -option ctrl:nocaps setxkbmap -option shift:breaks_caps + setxkbmap -option numpad:microsoft + setxkbmap -option grp:alt_space_toggle } set_go() { export GOPATH="${GOPATH:-$HOME/go}" -- cgit v1.2.3