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卸载 ufw , 恢复路由表 sudo apt remove ufw sudo iptables-restore < /etc/iptables/rules.v4 安装 firewalld，并开放端口 sudo apt install firewalld sudo firewall-cmd --permanent --zone=public --add-port=80/tcp sudo firewall-cmd --permanent --zone=public --add-port=443/tcp sudo firewall-cmd --reload 此外，如果使用的是 CentOS，想添加 IPV6 时 dhclient -6 一直没反应，那应该是 fire...

安装并不困难 sudo yum install condor 暴力关闭selinux sudo setenforce 0

命令 find . -name "*.ps" | xargs rm -rf "*.ps"

安装 从 http://www.imagemagick.org/script/download.php 下载安装包并安装. 脚本 #!/bin/sh ######################## ## using “convert” from ImageMagick to do ps convert into PNG ######################### echo PS convert to PNG, please wait the process for INP in *.ps do newname=`basename $INP .ps` convert -density 150 -geometry 100% $INP $newname%02d.png e...

语法 if ( (newgraph == 1) || (newgraph == 3) ) { if (device == 0x0) device = "?" ; int ier = cpgbeg(0, device, nxpage, nypage) ; if (ier != 1) { cout << "problem in opening PGPLOT display !" << endl ; } } 可用的device list Graphics device/type (? to see list, default /Xserve): ? PGPLOT v5.2.2 Copyright 1997 Cal...

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