Linux try to repair bad sector
Posted onwhere 967606 is sector number hdparm –read-sector 967606 /dev/sdahdparm –yes-i-know-what-i-am-doing –repair-sector 967606 /dev/sdahdparm –read-sector 967606 /dev/sda
Category: Linux
Centos 8 OpenVPN Tap Server Bridge
Posted onnmcli connection delete id <your id>nmcli con add type bridge ifname br0nmcli con add type bridge-slave ifname eno1 master br0 #create tap device nmcli connection add type tun ifname tap0 con-name tapvpn slave-type bridge master br0 mode tap owner 65534 firewall-cmd –permanent –direct –add-rule ipv4 filter FORWARD 0 -o tap0 -i br0 -j ACCEPT nmcli […]
Ansible print hostvariables
Posted onSometimes we need to check hostvars in our ansible hosts. a quick way to get this done should be
Centos 7.4 Samba shares not working in printer
Posted onUpdates are good, they improve our system security and add more feature to our software. In this case after updating a Centos 7.3 installation to 7.4 suddenly a customer old printer cant store scan jobs in a samba share. After enable verbose log in samba configuring option we saw some entries like unfortunately our printer […]
Unresponsive NFS server
Posted onAt Calidade Systems we check our customer daily backup report. Today we detect the lack of one report. We connect to our customer Linux server and saw a unusual high CPU load but no processor usage, if we don’t have cpu usage the cause should be storage, we are sending backups to a NFS server, […]
Creating a Development Server using JBoss 7 AS on Centos 7
Posted onIn some cases a system administrator needs to use old versions of certain software in order to get a development version. In this case we need to deploy a JBoss 7 AS inside a Centos 7. Remember that JBoss 7 AS is unmaintaned and no loger supported. Try Wildfly for production Second this is a […]
Proxmox job failed with err -5 – Input/output error
Posted onProxmox is a good solution for single servers infrastructure, you can use a single server where you can house all customer virtual machines. Recently one customer talked us about small problems with a legacy software, He has problems storing data, we make a check and index rebuilt in his database and everything start to work […]
