Ubuntu apt get faile to fork解决方法

在ubuntu上安装mailutls时候提示

root@vds-111783:/rclone# apt-get install mailutils
Reading package lists... Done
Building dependency tree       
Reading state information... Done
  libmysqlclient18 libntlm0 mailutils-common mysql-common
Suggested packages:
  mailutils-mh mailutils-doc
The following NEW packages will be installed:
  guile-2.0-libs libgc1c2 libgsasl7 libkyotocabinet16 libmailutils4
  libmysqlclient18 libntlm0 mailutils mailutils-common mysql-common
0 upgraded, 10 newly installed, 0 to remove and 2 not upgraded.
FATAL -> Failed to fork.

root@vds-111783:/rclone# apt-get install mailutils

Reading package lists... Done

Building dependency tree

Reading state information... Done

libmysqlclient18 libntlm0 mailutils-common mysql-common

Suggested packages:

mailutils-mh mailutils-doc

The following NEW packages will be installed:

guile-2.0-libs libgc1c2 libgsasl7 libkyotocabinet16 libmailutils4

libmysqlclient18 libntlm0 mailutils mailutils-common mysql-common

0 upgraded, 10 newly installed, 0 to remove and 2 not upgraded.

FATAL -> Failed to fork.

网上搜索找到这篇解决方案》https://vsxen.github.io/2016/11/04/ubuntu-faile-to-fork/

只要运行以下脚本即可，意思是解决swap空间不足

curl -sSL https://manageacloud.com/api/cm/configuration/activate_swap/ubuntu/manageacloud-production-script.sh | bash

1	curl -sSL https://manageacloud.com/api/cm/configuration/activate_swap/ubuntu/manageacloud-production-script.sh \| bash

备份脚本:

#!/bin/bash

mkdir -p /tmp/manageacloud/
PREFIX='';
if [ `id -u` != 0 ] ; then
    PREFIX='sudo -E ';
fi
apt_timeout="0"
until which git || (( "$apt_timeout" > 10 ))
do
    if [ "$apt_timeout" != "0"  ]; then
        sleep 10
    fi
    $PREFIX apt-get install -q git -y || $PREFIX apt-get -q update | cat && $PREFIX apt-get -q install git -y | cat
    apt_timeout=$[$apt_timeout+1]
done

cat > /tmp/manageacloud/.manageacloud.sh << 'MACEOL'
#!/bin/bash
set -ue

dd if=/dev/zero of=/swapfile bs=1024 count=512k
mkswap /swapfile

echo vm.swappiness = 10 | sudo tee -a /etc/sysctl.conf
echo 10 | sudo tee /proc/sys/vm/swappiness

chown root:root /swapfile
chmod 0600 /swapfile

echo " /swapfile       none    swap    sw      0       0 " >> /etc/fstab

swapon /swapfile



MACEOL

#!/bin/bash
set +u
export DEBIAN_FRONTEND=noninteractive
shopt -s xpg_echo
unset PATH JAVA_HOME LD_LIBRARY_PATH
function abort {
   echo "aborting: $@" 1>&2
   exit 1
}
export PATH=/usr/ucb/bin:/bin:/sbin:/usr/bin:/usr/sbin
cat > /etc/motd <<EOL

=================================================
To debug Manageacloud

Bootstrap script:
    cd /tmp/manageacloud/vcs/
    bash .manageacloud.sh

Environment variables:
    cat /tmp/manageacloud/env.log

Git repository (if applicable):
    cd /tmp/manageacloud/vcs/

Any questions support@manageacloud.com
=================================================
 
EOL


env > /tmp/manageacloud/env.log
PREFIX=''
if [ `id -u` != 0 ] ; then
    PREFIX='sudo -E ';
fi
echo 'Host * 
         StrictHostKeyChecking no' >> ~/.ssh/config
rm -rf /tmp/manageacloud/vcs/
mkdir -p /tmp/manageacloud/vcs/
CLONE=""
BRANCH=""
PRIV_KEY=""
if [ "$PRIV_KEY" != "" ]; then
PREFIX='';
if [ `id -u` != 0 ] ; then
    PREFIX='sudo -E ';
fi

apt_timeout="0"
until which git || (( "$apt_timeout" > 10 ))
do
    if [ "$apt_timeout" != "0"  ]; then
        sleep 10
    fi
    $PREFIX apt-get install -q git -y || $PREFIX apt-get -q update | cat && $PREFIX apt-get -q install git -y | cat
    apt_timeout=$[$apt_timeout+1]
done
   cd /tmp/manageacloud/
   echo '#!/bin/sh
   if [ -z "$PKEY" ]; then
       ssh "$@"
   else
       ssh -i "$PKEY" "$@"
   fi' > git_patch.sh
   chmod +x git_patch.sh
   echo "$PRIV_KEY" > ~/.ssh/mac_private
   chmod 600 ~/.ssh/mac_private
   if [ "$BRANCH" != "" ]; then
       set -x
       cd /tmp/manageacloud/vcs/ && GIT_SSH=../git_patch.sh PKEY=~/.ssh/mac_private git clone -q $CLONE . | cat && git checkout $BRANCH
       set +x
   fi
else
PREFIX='';
if [ `id -u` != 0 ] ; then
    PREFIX='sudo -E ';
fi

apt_timeout="0"
until which git || (( "$apt_timeout" > 10 ))
do
    if [ "$apt_timeout" != "0"  ]; then
        sleep 10
    fi
    $PREFIX apt-get install -q git -y || $PREFIX apt-get -q update | cat && $PREFIX apt-get -q install git -y | cat
    apt_timeout=$[$apt_timeout+1]
done
   if [ "$BRANCH" != "" ]; then
       set -x
       cd /tmp/manageacloud/vcs/ && git clone $CLONE .| cat && git checkout $BRANCH
       set +x
   fi
fi
cp /tmp/manageacloud/.manageacloud.sh /tmp/manageacloud/vcs/
cd /tmp/manageacloud/vcs/ && $PREFIX bash ./.manageacloud.sh | cat 
test ${PIPESTATUS[0]} -eq 0
exit $?

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#!/bin/bash

mkdir -p /tmp/manageacloud/

PREFIX='';

if [ `id -u` != 0 ] ; then

PREFIX='sudo -E ';

apt_timeout="0"

until which git || (( "$apt_timeout" > 10 ))

if [ "$apt_timeout" != "0" ]; then

sleep 10

$PREFIX apt-get install -q git -y || $PREFIX apt-get -q update | cat && $PREFIX apt-get -q install git -y | cat

apt_timeout=$[$apt_timeout+1]

done

cat > /tmp/manageacloud/.manageacloud.sh << 'MACEOL'

#!/bin/bash

set -ue

dd if=/dev/zero of=/swapfile bs=1024 count=512k

mkswap /swapfile

echo vm.swappiness = 10 | sudo tee -a /etc/sysctl.conf

echo 10 | sudo tee /proc/sys/vm/swappiness

chown root:root /swapfile

chmod 0600 /swapfile

echo " /swapfile none swap sw 0 0 " >> /etc/fstab

swapon /swapfile

MACEOL

#!/bin/bash

set +u

export DEBIAN_FRONTEND=noninteractive

shopt -s xpg_echo

unset PATH JAVA_HOME LD_LIBRARY_PATH

function abort {

echo "aborting: $@" 1>&2

exit 1

}

export PATH=/usr/ucb/bin:/bin:/sbin:/usr/bin:/usr/sbin

cat > /etc/motd <<EOL

=================================================

To debug Manageacloud

Bootstrap script:

cd /tmp/manageacloud/vcs/

bash .manageacloud.sh

Environment variables:

cat /tmp/manageacloud/env.log

Git repository (if applicable):

cd /tmp/manageacloud/vcs/

Any questions support@manageacloud.com

=================================================

EOL

env > /tmp/manageacloud/env.log

PREFIX=''

if [ `id -u` != 0 ] ; then

PREFIX='sudo -E ';

echo 'Host *

StrictHostKeyChecking no' >> ~/.ssh/config

rm -rf /tmp/manageacloud/vcs/

mkdir -p /tmp/manageacloud/vcs/

CLONE=""

BRANCH=""

PRIV_KEY=""

if [ "$PRIV_KEY" != "" ]; then

PREFIX='';

if [ `id -u` != 0 ] ; then

PREFIX='sudo -E ';

apt_timeout="0"

until which git || (( "$apt_timeout" > 10 ))

if [ "$apt_timeout" != "0" ]; then

sleep 10

$PREFIX apt-get install -q git -y || $PREFIX apt-get -q update | cat && $PREFIX apt-get -q install git -y | cat

apt_timeout=$[$apt_timeout+1]

done

cd /tmp/manageacloud/

echo '#!/bin/sh

if [ -z "$PKEY" ]; then

ssh "$@"

else

ssh -i "$PKEY" "$@"

fi' > git_patch.sh

chmod +x git_patch.sh

echo "$PRIV_KEY" > ~/.ssh/mac_private

chmod 600 ~/.ssh/mac_private

if [ "$BRANCH" != "" ]; then

set -x

cd /tmp/manageacloud/vcs/ && GIT_SSH=../git_patch.sh PKEY=~/.ssh/mac_private git clone -q $CLONE . | cat && git checkout $BRANCH

set +x

else

PREFIX='';

if [ `id -u` != 0 ] ; then

PREFIX='sudo -E ';

apt_timeout="0"

until which git || (( "$apt_timeout" > 10 ))

if [ "$apt_timeout" != "0" ]; then

sleep 10

$PREFIX apt-get install -q git -y || $PREFIX apt-get -q update | cat && $PREFIX apt-get -q install git -y | cat

apt_timeout=$[$apt_timeout+1]

done

if [ "$BRANCH" != "" ]; then

set -x

cd /tmp/manageacloud/vcs/ && git clone $CLONE .| cat && git checkout $BRANCH

set +x

cp /tmp/manageacloud/.manageacloud.sh /tmp/manageacloud/vcs/

cd /tmp/manageacloud/vcs/ && $PREFIX bash ./.manageacloud.sh | cat

test ${PIPESTATUS[0]} -eq 0

exit $?