After being a system admin for 4 months, i think that this is my dream job but the pay is still not enough for me. I've learnt so many things about Linux and how to maintain them (I have 3 servers that i have to monitor). May things on my mind ranging from backup (the hardest if u want to transfer accounts from one server to another server.), tcp/ip, network design, firewall (this is fun!), routing config and etc.
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Renew letsencrypt ssl certificate for zimbra 8.8.15
Letsencrypt certs usually consists of these files: 1. cert.pem 2. chain.pem 3. fullchain.pem 4. privkey.pem I am not going to discuss about...
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Linux bash history with Page up / Page down In linux you can configure the pgup/pgdown keys to navigate through commands you typed that...
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I've installed latest squid (3.2.0.3) recently from source. I configured it with --with-icmp to enable incoming icmp request. After com...
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postfix is my MTA of choice. I use it for my mailserver because its simplicity , security and sendmail-compatible (the widely used smtp in...
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