https://www.calibre-ebook.com/download_linux

# 安装依赖包

yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make xdg-utils wget qt4 qt4-devel qt4-x11 libpcap-devel xz-devel -y

cd /usr/bin

ln -s qmake-qt4 qmake

qmake -v

cd /opt

# 安装GLIBC_2.19和libstdc++.so

https://abc.htmltoo.com/thread-45860.htm

# 安装calibre3     https://download.calibre-ebook.com/

cd /opt

mkdir -p /opt/calibre

wget https://download.calibre-ebook.com/3.48.0/calibre-3.48.0-x86_64.txz

tar xvf calibre-3.48.0-x86_64.txz -C /opt/calibre

/opt/calibre/calibre_postinstall

rm -rf /tmp/calibre-installer-cache

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

# 4.11.2 异常

wget https://download.calibre-ebook.com/4.11.2/calibre-4.11.2-x86_64.txz

tar xvf calibre-4.11.2-x86_64.txz -C /opt/calibre

ebook-convert --version

echo "Hello BookStack" > test.txt

ebook-convert test.txt test.pdf

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

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

wget -nv -O- https://download.calibre-ebook.com/linux-installer.py | python -c "import sys; main=lambda:sys.stderr.write('Download failed\n'); exec(sys.stdin.read()); main()";

# Run "calibre" to start calibre

calibre

=========异常, 升级, 重装, 记得清理===================

# 如果安装失败需要执行卸载操作

# 卸载calibre

rm -rf /opt/calibre/*

# 清除失效的软连接

cd /usr/bin/

rm -rf ./calibre*

rm -rf ./ebook*

rm -rf fetch-ebook-metadata

rm -rf lrf2lrs

rm -rf lrfviewer

rm -rf lrs2lrf

rm -rf markdown-calibre

rm -rf web2disk

cd /opt

# 查看版本

ebook-convert --version

# 卸载

/usr/bin/calibre-uninstall