Laptop will not suspend when lid is closed in Gnome 3
Check these two items in the /etc/systemd/logind.conf PowerKeyIgnoreInhibited=yes SuspendKeyIgnoreInhibited=yes Tested with Centos 7
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XRDP service wont start on Centos 7
You execute: systemctl start xrdp and the service does not start and you find the following in the messages log Apr 7 16:01:22 myserver systemd: Started xrdp session manager. Apr 7 16:01:22 myserver systemd: Starting xrdp session manager… Apr 7 … Continue reading →
Erasing partition table and raid information from hard drives using Centos 7
Some RAID Controllers, many fake RAID controllers and software raid put a signature on both the beginning and/or ending of the space on a hard drives. This many times creates problems when reformatting the drives or reloading the system after … Continue reading →
Using UUID to Mount Disk
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 →
“Created slice user-0.slice.” and “Starting Session 6642 of user root.” in /var/log/messages
I found the following entries in my /var/log/messages file Feb 21 03:50:01 vm1 systemd: Created slice user-0.slice. Feb 21 03:50:01 vm1 systemd: Starting Session 6642 of user root. Feb 21 03:50:01 vm1 systemd: Started Session 6642 of user root. These … Continue reading →
Cisco AnyConnect Client Wont Run On Centos 7
You start AnyConnect on Centos 7 using the shortcut and the application flashes on the screen and disappears. So you try running it from the bash prompt and you get: [user@mymachine ~]$ /opt/cisco/anyconnect/bin/vpnui /opt/cisco/anyconnect/bin/vpnui: error while loading shared libraries: libpangox-1.0.so.0: … Continue reading →
Security Wipe Of Hard Drive Using Linux
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 →
semanage is not installed
semanage is used in configuring selinux. If it is not installed you need to run yum -y install policycoreutils-python
Continue reading →xrdp error: Failed at step EXEC spawning /usr/sbin/xrdp: Permission denied
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 →Tagged Vlans And Centos 7
ifcfg-enp4s0f2 DEVICE=”enp4s0f2″ ONBOOT=yes NETBOOT=no UUID=”5597ebd7-892b-4ca1-8731-81b66c432c72″ BOOTPROTO=none IPADDR=255.255.255.255 NETMASK=255.255.255.255 HWADDR=”00:1e:67:66:a0:81″ TYPE=Ethernet NAME=”enp4s0f2″ ifcfg-enp4s0f2.900 DEVICE=”enp4s0f2.900″ ONBOOT=yes NETBOOT=no BOOTPROTO=none IPADDR=192.168.0.11 NETMASK=255.255.255.0 NAME=”enp4s0f2.900″ VLAN=yes ifcfg-enp4s0f2.902 DEVICE=”enp4s0f2.902″ ONBOOT=yes NETBOOT=no BOOTPROTO=none IPADDR=172.18.0.74 NETMASK=255.255.252.0 NAME=”enp4s0f2.902″ VLAN=yes
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