….and you have no sound Fix: Start a bash prompt and as the user who is having problems (Not root or su – !!) run the two following commands pulseaudio –kill pulseaudio –start –log-target=syslog Your outputs should be back Applies … Continue reading →
System: Centos 7 running bind-chroot-9.9.4 and Selinux enabled Secondary zone files when transferred have the following entry in /var/log/messages Apr 19 12:43:16 ns1 named[3892]: transfer of ‘1.10.10.in-addr.arpa/IN’ from 10.10.1.40#53: connected using 10.10.2.4#56641 Apr 19 12:43:17 ns1 named[3892]: zone 1.10.10.in-addr.arpa/IN: transferred … Continue reading →
I found an RPM here for Centos 7 for Signal Private Messenger Create a file named /etc/yum.repos.d/luminoso-Signal-Desktop.repo and put the following in the file [luminoso-Signal-Desktop] name=Copr repo for Signal-Desktop owned by luminoso baseurl=https://copr-be.cloud.fedoraproject.org/results/luminoso/Signal-Desktop/epel-7-$basearch/ type=rpm-md skip_if_unavailable=True gpgcheck=1 gpgkey=https://copr-be.cloud.fedoraproject.org/results/luminoso/Signal-Desktop/pubkey.gpg repo_gpgcheck=0 enabled=1 enabled_metadata=1 … Continue reading →
yum -y install NetworkManager-l2tp-gnome ppp pptp pptp-setup
Continue reading →I updated my desktop machine to Centos 7.4 and my desktop icons were suddenly huge! After a bit of plugging around I found the fix Find the application “dconf Editor” under Applications – System Tools * Drill down to org … Continue reading →
The upower cli tool will get you a large amount of information about power and batteries in your system. Install upower using the command yum -y install upower To enumerate the devices upower can get information about on your system … Continue reading →
Create a file named /etc/polkit-1/localauthority/50-local.d/50-org.libvirt-group-access.pkla and put the following lines in it [libvirt group Management Access] Identity=unix-group:libvirt Action=org.libvirt.unix.manage ResultAny=yes ResultInactive=yes ResultActive=yes Create a group name libvirt (if it does not already exist) groupadd libvirt Put each user who needs access … Continue reading →
Permit a block of addresses to access ssh firewall-cmd –permanent –add-rich-rule=’rule family=”ipv4″ source address=”10.0.0.0/8″ service name=”ssh” accept’ Remove the above rule firewall-cmd –remove-rich-rule=’rule family=”ipv4″ source address=”10.0.0.0/8″ service name=”ssh” accept’ Permit a block of addresses to access a non-standard service port … Continue reading →
Fix your logon prompt for when you are on the console of your Linux server (Centos 6 runlevel 3 or Centos 7 multi-user.target) so that it displays your current ip address Edit /etc/rc.d/rc.local and add the following lines to the end … Continue reading →
First – install telnet on Centos 7 yum -y install telnet-server Edit the file /usr/lib/systemd/system/telnet.socket The section [Socket] has by default [Socket] ListenStream=23 Change 23 to the desired port number. Then systemctl enable telnet.socket systemctl start telnet.socket Firewalld for Telnet … Continue reading →