Pandoc Everyone I know who works with markup languages says Pandoc is the go-to utility for converting between those languages. And for good reason: Pandoc not only does some pretty nifty conversions, it’s fast, too. Have a file formatted with … Continue reading →
In linux, hard drive dev assignments can get changed between reboots – especially with external/removable drives. This means using /dev/sdX or /dev/hdX is not the best way to mount a drive that needs to be mounted every time at boot. … Continue reading →
first – determine the dev of the hard drive – as in /dev/sda /dev/sdb etc Then excute shred -vz -n 3 /dev/XXX where XXX is the identifier of the hard drive Increase 3 to a larger value for higher security … Continue reading →
I changed the port for sshd on my servers to reduce the number of attacks against the sshd server. In the following example, I am changing the port from the default of 22 to 43231 First – backup your sshd_config … Continue reading →
semanage is used in configuring selinux. If it is not installed you need to run yum -y install policycoreutils-python
Continue reading →Centos 7 yum -y install epel-release yum -y groupinstall “GNOME Desktop” yum -y install xrdp xorg-x11-xinit firewall-cmd –permanent –zone=public –add-port=3389/tcp firewall-cmd –reload systemctl start xrdp.service systemctl enable xrdp.service Centos 6 rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm wget -O epel6.key.txt ‘http://keys.gnupg.net:11371/pks/lookup?search=0x0608B895&op=get’ rpm –import epel6.key.txt … Continue reading →
Updated xrdp on a Centos 7 system and xrdp would not start. Error logged in /var/log/messages: Failed at step EXEC spawning /usr/sbin/xrdp: Permission denied Fix: chcon -t bin_t /usr/sbin/xrdp /usr/sbin/xrdp-sesman Reference: https://bugzilla.redhat.com/show_bug.cgi?id=1177202
Continue reading →If you need email delivered to a specific server for selected domains you do the following: As root, edit the /etc/postfix/main.cf. Find (or add) the line that starts with transport_maps= If it does not exist, add the line “transport_maps=hash:/etc/postfix/transport. If … Continue reading →
Some Nice Pictures Of The Install Process http://linuxmoz.com/how-to-install-centos-6-linux-for-servers-desktops/ Google Earth I installed the x86_64 version of the Google Earth rpm. It did however not work: $ google-earth /usr/bin/google-earth: ./googleearth-bin: /lib/ld-lsb.so.3: bad ELF interpreter: No such file or directory Turns out … Continue reading →
You are using libvirt on Centos 6 and you need to boot a virtual machine from a CD Edit the virtual machine virsh edit domainname Find the section “<os>” and add the following line at the top of the section … Continue reading →